Initial commit

From fbterm 1.7.0, at https://storage.googleapis.com/google-code-archive-downloads/v2/code.google.com/fbterm/fbterm-1.7.0.tar.gz

Signed-off-by: Jeremy Kerr <jk@ozlabs.org>

74 files changed, 24257 insertions, 0 deletions

diff --git a/AUTHORS b/AUTHORS
new file mode 100644
index 0000000..44cb1a9
--- /dev/null
+++ b/AUTHORS
@@ -0,0 +1 @@
+dragchan <zgchan317@gmail.com>
diff --git a/COPYING b/COPYING
new file mode 100644
index 0000000..86cf81a
--- /dev/null
+++ b/COPYING
@@ -0,0 +1,341 @@
+
+		    GNU GENERAL PUBLIC LICENSE
+		       Version 2, June 1991
+
+ Copyright (C) 1989, 1991 Free Software Foundation, Inc.
+                          675 Mass Ave, Cambridge, MA 02139, USA
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+			    Preamble
+
+  The licenses for most software are designed to take away your
+freedom to share and change it.  By contrast, the GNU General Public
+License is intended to guarantee your freedom to share and change free
+software--to make sure the software is free for all its users.  This
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+Foundation's software and to any other program whose authors commit to
+using it.  (Some other Free Software Foundation software is covered by
+the GNU Library General Public License instead.)  You can apply it to
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+  When we speak of free software, we are referring to freedom, not
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+   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
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+		     END OF TERMS AND CONDITIONS
+
+	Appendix: How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
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+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) 19yy  <name of author>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
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+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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+    Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
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+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, the commands you use may
+be called something other than `show w' and `show c'; they could even be
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+
+  Yoyodyne, Inc., hereby disclaims all copyright interest in the program
+  `Gnomovision' (which makes passes at compilers) written by James Hacker.
+
+  <signature of Ty Coon>, 1 April 1989
+  Ty Coon, President of Vice
+
+This General Public License does not permit incorporating your program into
+proprietary programs.  If your program is a subroutine library, you may
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+library.  If this is what you want to do, use the GNU Library General
+Public License instead of this License.
+
diff --git a/ChangeLog b/ChangeLog
new file mode 100644
index 0000000..8c1f77c
--- /dev/null
+++ b/ChangeLog
@@ -0,0 +1,222 @@
+2010-10-5 version 1.7
+	* vterm.cpp charsetmap.cpp:
+	improved escape sequences support, now curses h/v lines should be drawed correctly 
+	
+	* fbshell.cpp:
+	added redirecting /dev/tty0 output to FbTerm's sub-window
+	
+	* improxy.cpp input.cpp:
+	added shortcut CTRL_ALT_K to kill the frozen IM server
+	
+	* vterm.cpp wcwidth.cpp fbconfig.cpp:
+	added option "ambiguous-wide" to treat ambiguous CJK characters as wide width
+	
+	* font.cpp fbcofnig.cpp:
+	added option "font-height" to force font height
+	
+	* vterm.cpp:
+	do_normal_char(): fixed logical error in insert mode
+	
+	* shell.cpp:
+	autoTextSelect(): fixed logical error
+	
+	* improxy.cpp:
+	improved screen redrawing performance when im is active 
+
+2009-11-14 version 1.6
+	* screen.cpp screen.h screen_render.cpp:
+	reorganized class Screen API for VESA support
+	
+	* screen_clip.cpp:
+	removed this file because similar function has been recoded in improxy.cpp
+	
+	* vesa.cpp vesa.h vbe.h:
+	added general VESA video card support
+	
+	* fbdev.cpp fbdev.h:
+	moved frame buffer device support from class Screen to new class FbDev
+	
+	* immessage.h improxy.cpp:
+	added IM rendering message for IM server development
+	
+	* input.cpp:
+	moved tty initialing code from ttyInput() to switchVc()
+	Ctrl+Space won't be a shortcut if user run FbTerm without input-method option
+	
+	* mouse.cpp:
+	fixed a bug where FbTerm isn't compiled with gpm mouse support but run with gpm server enabled
+	
+	* fbconfig.cpp:
+	added options for VESA support
+	fixed some spelling errors in FbTerm's help message
+	
+	* doc/inputmethod.txt:
+	removed content of this file to be comments of im/immessage.h and im/imapi.h
+	
+	* doc/fbterm.1.in:
+	added description for VESA support
+	fixed several spelling errors
+	
+	* imapi.c:
+	fixed a IM dead loop bug triggered by FbTerm's crash
+	fixed a bug where IM maybe doesn't process pending messages until a new message arrives
+
+2009-04-26 version 1.5
+	* fbconfig.cpp fbshell.cpp shell.cpp:
+	added command line arguments to customize command executed in sub-window, which is user's login shell by default
+	
+	* improxy.cpp input.cpp fbshell.cpp fbshellman.cpp:
+	added Alt-Fn and all FbTerm's shortcuts support when input method is actived
+	
+	* screen_render.cpp:
+	added support for text rendering with background image
+	
+	* fbconfig.cpp fbshell.cpp input.cpp font.cpp screen.cpp:
+	showInfo(): added option "-v/--verbose" to show extra system information
+	
+	* lib/shell.cpp:
+	createShellProcess(): changed shell program selection algorithm
+	
+	* screen.cpp:
+	createInstance(): changed frame buffer device selection behavior
+	
+	* font.cpp:
+	createInstance(): removed duplicate fonts with same family from ordered font list
+	
+	* lib/io.cpp:
+	localCodec(): fixed UTF-8 characters not showed correctly when locale is C/POSIX
+	
+	* lib/vterm.h:
+	fixed a bug with character color for underline/halfbright attribute in version 1.4
+	
+	* fbterm.cpp:
+	fixed a clearing screen issue on startup even in inactive tty
+	
+	* fbconfig.cpp:
+	Config(): fixed a bug when user try to execute FbTerm in initscripts and variable HOME is not defined
+	
+	* input.cpp:
+	fixed a bug that ctrl/space release keycodes are sent to im server when user enable it by pressing ctrl+space
+
+2009-03-14 version 1.4
+	* screen_render.cpp:
+	improved text rendering performance
+	
+	* lib/vterm_state.cpp lib/vterm_action.cpp fbshell.cpp:
+	added private escape sequences for 256 color support 
+	
+	* font.cpp fbconfig.cpp:
+	added a option to adjust font width
+	
+	* fbterm.cpp fbio.cpp:
+	added using select() for old 2.2/2.4 kernel
+	
+	* font.cpp:
+	fixed a crash bug where font's width/height returns zero for bitmap fonts
+	
+	* font.cpp screen.cpp:
+	removed codes for non fixed width font
+	
+	* configure:
+	fixed a failure with cross-compiling environment
+
+2008-12-20 version 1.3
+	* fbconfig.cpp:
+	added command line arguments to change option values
+
+	* fbterm.cpp fbshellman.cpp fbshell.cpp improxy.cpp improxy.h input.cpp im/*:
+	added client-server based input method framework
+		
+	* screen.cpp screen_clip.cpp:
+	added screen clip support for IM
+	
+	* screen.cpp font.cpp:
+	added screen rotation support
+	
+	* screen.cpp:
+	drawGlyph(): fixed a spelling error of '=' as '-', which even appears in version 1.0
+	move(): fixed a duplicate repaint bug while fast scrolling type is ypan
+	moved paint code to a separate source file screen_render.cpp
+	
+	* screen_render.cpp:
+	setupSysPalette(): added support visual FB_VISUAL_DIRECTCOLOR
+	
+	* mouse.cpp lib/shell.cpp lib/shell.h:
+	added mouse wheel support
+	
+	* lib/vterm.h lib/vterm.cpp:
+	decreased memory usage of every vterm instance by changing struct CharAttr size from 4 to 2 bytes
+	
+	* font.cpp:
+	replaced hash table based glyph cache with direct array index, removed dependence of hash.h/hash.cpp
+	
+	* input.cpp:
+	readyRead(): fixed a unicode input character processing error
+	
+	* lib/shell.cpp lib/vterm.cpp:
+	fixed a bug of not inverse color for selected text when switch back to the shell
+	moved mouse pointer drawing code to class FbShell
+	
+	* fbshell.cpp:
+	fixed a bug of maybe not restore original console state after FbTerm exited
+	moved class FbShellManager to separate source files fbshellman.h and fbshellman.cpp
+	
+	* fbshellman.cpp:
+	switchShell(): fixed a duplicate repaint bug while switch to same window
+	
+	* configure src/Makefile.in fbterm.cpp fbshell.cpp input.cpp:
+	added using filesystem capability attributes offered by kernel 2.6.27, instead of setting set-user-ID bit on FbTerm
+
+2008-10-12 version 1.2
+	* lib/term.h lib/term.cpp lib/term_states.cpp lib/term_action.cpp:
+	improved escape and control sequences compatibility with linux console
+	
+	* fbshell.cpp:
+	added support linux console sequences for changing the color palette and cursor shape
+	moved shell management code to a separate class FbShellManager
+	
+	* fbconfig.cpp fbshell.cpp:
+	added option to adjust default cursor shape and flash interval
+	added option to modify chars considered as part of a word while auto-selecting text
+	
+	* fbterm.cpp:
+	added handle signal SIGHUP, FbTerm will exit normally while shutdown system directly in it
+	
+	* mouse.cpp:
+	Mouse(): fixed a freeze issue caused by changing console winsize under kernel 2.6.26
+	
+	* screen.cpp:
+	createInstance(): fixed a crash bug while font size is greater than screen size
+	
+	* lib/shell.cpp:
+	cleaned text selection code and fixed a crash bug
+	
+	* fbshell.cpp:
+	fixed not repainting screen when switch back to virtual console which FbTerm running on, but FbTerm not have active window
+	
+	* lib/term_action.cpp:
+	next_param(): fixed a buffer overflow issue which may cause denial of service via application crash
+
+2008-08-23 version 1.1
+	* fbshell.h fbshell.cpp fbterm.cpp input_key.h:
+	added configurable additional text encoding support and switch between them with hot keys
+	
+	* lib/term.h lib/term.cpp fbshell.cpp:
+	added a option in configure file to let user adjust max scroll-back history lines of every window
+	
+	* lib/term.cpp:
+	expose(): fixed a bug of NOT redraw whole changed area
+	a example is cursor drawing error while shell command line containing double width characters
+	
+	* hash.cpp:
+	find(): fixed a bug to get a little better hash search performance
+	
+	* fbterm.cpp:
+	pollSingal(): fixed a variable name spelling error in source for older kernel support
+	SignalIo::readyRead(): fixed a compile failure while kernel headers version less than 2.6.24
+	
+	* screen.cpp:
+	createInstance(): fixed a compile failure under certain systems
+
+2008-07-05 version 1.0
+	first release
diff --git a/INSTALL b/INSTALL
new file mode 100644
index 0000000..7d1c323
--- /dev/null
+++ b/INSTALL
@@ -0,0 +1,365 @@
+Installation Instructions
+*************************
+
+Copyright (C) 1994, 1995, 1996, 1999, 2000, 2001, 2002, 2004, 2005,
+2006, 2007, 2008, 2009 Free Software Foundation, Inc.
+
+   Copying and distribution of this file, with or without modification,
+are permitted in any medium without royalty provided the copyright
+notice and this notice are preserved.  This file is offered as-is,
+without warranty of any kind.
+
+Basic Installation
+==================
+
+   Briefly, the shell commands `./configure; make; make install' should
+configure, build, and install this package.  The following
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+instructions specific to this package.  Some packages provide this
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+below.  The lack of an optional feature in a given package is not
+necessarily a bug.  More recommendations for GNU packages can be found
+in *note Makefile Conventions: (standards)Makefile Conventions.
+
+   The `configure' shell script attempts to guess correct values for
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+It may also create one or more `.h' files containing system-dependent
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+file `config.log' containing compiler output (useful mainly for
+debugging `configure').
+
+   It can also use an optional file (typically called `config.cache'
+and enabled with `--cache-file=config.cache' or simply `-C') that saves
+the results of its tests to speed up reconfiguring.  Caching is
+disabled by default to prevent problems with accidental use of stale
+cache files.
+
+   If you need to do unusual things to compile the package, please try
+to figure out how `configure' could check whether to do them, and mail
+diffs or instructions to the address given in the `README' so they can
+be considered for the next release.  If you are using the cache, and at
+some point `config.cache' contains results you don't want to keep, you
+may remove or edit it.
+
+   The file `configure.ac' (or `configure.in') is used to create
+`configure' by a program called `autoconf'.  You need `configure.ac' if
+you want to change it or regenerate `configure' using a newer version
+of `autoconf'.
+
+   The simplest way to compile this package is:
+
+  1. `cd' to the directory containing the package's source code and type
+     `./configure' to configure the package for your system.
+
+     Running `configure' might take a while.  While running, it prints
+     some messages telling which features it is checking for.
+
+  2. Type `make' to compile the package.
+
+  3. Optionally, type `make check' to run any self-tests that come with
+     the package, generally using the just-built uninstalled binaries.
+
+  4. Type `make install' to install the programs and any data files and
+     documentation.  When installing into a prefix owned by root, it is
+     recommended that the package be configured and built as a regular
+     user, and only the `make install' phase executed with root
+     privileges.
+
+  5. Optionally, type `make installcheck' to repeat any self-tests, but
+     this time using the binaries in their final installed location.
+     This target does not install anything.  Running this target as a
+     regular user, particularly if the prior `make install' required
+     root privileges, verifies that the installation completed
+     correctly.
+
+  6. You can remove the program binaries and object files from the
+     source code directory by typing `make clean'.  To also remove the
+     files that `configure' created (so you can compile the package for
+     a different kind of computer), type `make distclean'.  There is
+     also a `make maintainer-clean' target, but that is intended mainly
+     for the package's developers.  If you use it, you may have to get
+     all sorts of other programs in order to regenerate files that came
+     with the distribution.
+
+  7. Often, you can also type `make uninstall' to remove the installed
+     files again.  In practice, not all packages have tested that
+     uninstallation works correctly, even though it is required by the
+     GNU Coding Standards.
+
+  8. Some packages, particularly those that use Automake, provide `make
+     distcheck', which can by used by developers to test that all other
+     targets like `make install' and `make uninstall' work correctly.
+     This target is generally not run by end users.
+
+Compilers and Options
+=====================
+
+   Some systems require unusual options for compilation or linking that
+the `configure' script does not know about.  Run `./configure --help'
+for details on some of the pertinent environment variables.
+
+   You can give `configure' initial values for configuration parameters
+by setting variables in the command line or in the environment.  Here
+is an example:
+
+     ./configure CC=c99 CFLAGS=-g LIBS=-lposix
+
+   *Note Defining Variables::, for more details.
+
+Compiling For Multiple Architectures
+====================================
+
+   You can compile the package for more than one kind of computer at the
+same time, by placing the object files for each architecture in their
+own directory.  To do this, you can use GNU `make'.  `cd' to the
+directory where you want the object files and executables to go and run
+the `configure' script.  `configure' automatically checks for the
+source code in the directory that `configure' is in and in `..'.  This
+is known as a "VPATH" build.
+
+   With a non-GNU `make', it is safer to compile the package for one
+architecture at a time in the source code directory.  After you have
+installed the package for one architecture, use `make distclean' before
+reconfiguring for another architecture.
+
+   On MacOS X 10.5 and later systems, you can create libraries and
+executables that work on multiple system types--known as "fat" or
+"universal" binaries--by specifying multiple `-arch' options to the
+compiler but only a single `-arch' option to the preprocessor.  Like
+this:
+
+     ./configure CC="gcc -arch i386 -arch x86_64 -arch ppc -arch ppc64" \
+                 CXX="g++ -arch i386 -arch x86_64 -arch ppc -arch ppc64" \
+                 CPP="gcc -E" CXXCPP="g++ -E"
+
+   This is not guaranteed to produce working output in all cases, you
+may have to build one architecture at a time and combine the results
+using the `lipo' tool if you have problems.
+
+Installation Names
+==================
+
+   By default, `make install' installs the package's commands under
+`/usr/local/bin', include files under `/usr/local/include', etc.  You
+can specify an installation prefix other than `/usr/local' by giving
+`configure' the option `--prefix=PREFIX', where PREFIX must be an
+absolute file name.
+
+   You can specify separate installation prefixes for
+architecture-specific files and architecture-independent files.  If you
+pass the option `--exec-prefix=PREFIX' to `configure', the package uses
+PREFIX as the prefix for installing programs and libraries.
+Documentation and other data files still use the regular prefix.
+
+   In addition, if you use an unusual directory layout you can give
+options like `--bindir=DIR' to specify different values for particular
+kinds of files.  Run `configure --help' for a list of the directories
+you can set and what kinds of files go in them.  In general, the
+default for these options is expressed in terms of `${prefix}', so that
+specifying just `--prefix' will affect all of the other directory
+specifications that were not explicitly provided.
+
+   The most portable way to affect installation locations is to pass the
+correct locations to `configure'; however, many packages provide one or
+both of the following shortcuts of passing variable assignments to the
+`make install' command line to change installation locations without
+having to reconfigure or recompile.
+
+   The first method involves providing an override variable for each
+affected directory.  For example, `make install
+prefix=/alternate/directory' will choose an alternate location for all
+directory configuration variables that were expressed in terms of
+`${prefix}'.  Any directories that were specified during `configure',
+but not in terms of `${prefix}', must each be overridden at install
+time for the entire installation to be relocated.  The approach of
+makefile variable overrides for each directory variable is required by
+the GNU Coding Standards, and ideally causes no recompilation.
+However, some platforms have known limitations with the semantics of
+shared libraries that end up requiring recompilation when using this
+method, particularly noticeable in packages that use GNU Libtool.
+
+   The second method involves providing the `DESTDIR' variable.  For
+example, `make install DESTDIR=/alternate/directory' will prepend
+`/alternate/directory' before all installation names.  The approach of
+`DESTDIR' overrides is not required by the GNU Coding Standards, and
+does not work on platforms that have drive letters.  On the other hand,
+it does better at avoiding recompilation issues, and works well even
+when some directory options were not specified in terms of `${prefix}'
+at `configure' time.
+
+Optional Features
+=================
+
+   If the package supports it, you can cause programs to be installed
+with an extra prefix or suffix on their names by giving `configure' the
+option `--program-prefix=PREFIX' or `--program-suffix=SUFFIX'.
+
+   Some packages pay attention to `--enable-FEATURE' options to
+`configure', where FEATURE indicates an optional part of the package.
+They may also pay attention to `--with-PACKAGE' options, where PACKAGE
+is something like `gnu-as' or `x' (for the X Window System).  The
+`README' should mention any `--enable-' and `--with-' options that the
+package recognizes.
+
+   For packages that use the X Window System, `configure' can usually
+find the X include and library files automatically, but if it doesn't,
+you can use the `configure' options `--x-includes=DIR' and
+`--x-libraries=DIR' to specify their locations.
+
+   Some packages offer the ability to configure how verbose the
+execution of `make' will be.  For these packages, running `./configure
+--enable-silent-rules' sets the default to minimal output, which can be
+overridden with `make V=1'; while running `./configure
+--disable-silent-rules' sets the default to verbose, which can be
+overridden with `make V=0'.
+
+Particular systems
+==================
+
+   On HP-UX, the default C compiler is not ANSI C compatible.  If GNU
+CC is not installed, it is recommended to use the following options in
+order to use an ANSI C compiler:
+
+     ./configure CC="cc -Ae -D_XOPEN_SOURCE=500"
+
+and if that doesn't work, install pre-built binaries of GCC for HP-UX.
+
+   On OSF/1 a.k.a. Tru64, some versions of the default C compiler cannot
+parse its `<wchar.h>' header file.  The option `-nodtk' can be used as
+a workaround.  If GNU CC is not installed, it is therefore recommended
+to try
+
+     ./configure CC="cc"
+
+and if that doesn't work, try
+
+     ./configure CC="cc -nodtk"
+
+   On Solaris, don't put `/usr/ucb' early in your `PATH'.  This
+directory contains several dysfunctional programs; working variants of
+these programs are available in `/usr/bin'.  So, if you need `/usr/ucb'
+in your `PATH', put it _after_ `/usr/bin'.
+
+   On Haiku, software installed for all users goes in `/boot/common',
+not `/usr/local'.  It is recommended to use the following options:
+
+     ./configure --prefix=/boot/common
+
+Specifying the System Type
+==========================
+
+   There may be some features `configure' cannot figure out
+automatically, but needs to determine by the type of machine the package
+will run on.  Usually, assuming the package is built to be run on the
+_same_ architectures, `configure' can figure that out, but if it prints
+a message saying it cannot guess the machine type, give it the
+`--build=TYPE' option.  TYPE can either be a short name for the system
+type, such as `sun4', or a canonical name which has the form:
+
+     CPU-COMPANY-SYSTEM
+
+where SYSTEM can have one of these forms:
+
+     OS
+     KERNEL-OS
+
+   See the file `config.sub' for the possible values of each field.  If
+`config.sub' isn't included in this package, then this package doesn't
+need to know the machine type.
+
+   If you are _building_ compiler tools for cross-compiling, you should
+use the option `--target=TYPE' to select the type of system they will
+produce code for.
+
+   If you want to _use_ a cross compiler, that generates code for a
+platform different from the build platform, you should specify the
+"host" platform (i.e., that on which the generated programs will
+eventually be run) with `--host=TYPE'.
+
+Sharing Defaults
+================
+
+   If you want to set default values for `configure' scripts to share,
+you can create a site shell script called `config.site' that gives
+default values for variables like `CC', `cache_file', and `prefix'.
+`configure' looks for `PREFIX/share/config.site' if it exists, then
+`PREFIX/etc/config.site' if it exists.  Or, you can set the
+`CONFIG_SITE' environment variable to the location of the site script.
+A warning: not all `configure' scripts look for a site script.
+
+Defining Variables
+==================
+
+   Variables not defined in a site shell script can be set in the
+environment passed to `configure'.  However, some packages may run
+configure again during the build, and the customized values of these
+variables may be lost.  In order to avoid this problem, you should set
+them in the `configure' command line, using `VAR=value'.  For example:
+
+     ./configure CC=/usr/local2/bin/gcc
+
+causes the specified `gcc' to be used as the C compiler (unless it is
+overridden in the site shell script).
+
+Unfortunately, this technique does not work for `CONFIG_SHELL' due to
+an Autoconf bug.  Until the bug is fixed you can use this workaround:
+
+     CONFIG_SHELL=/bin/bash /bin/bash ./configure CONFIG_SHELL=/bin/bash
+
+`configure' Invocation
+======================
+
+   `configure' recognizes the following options to control how it
+operates.
+
+`--help'
+`-h'
+     Print a summary of all of the options to `configure', and exit.
+
+`--help=short'
+`--help=recursive'
+     Print a summary of the options unique to this package's
+     `configure', and exit.  The `short' variant lists options used
+     only in the top level, while the `recursive' variant lists options
+     also present in any nested packages.
+
+`--version'
+`-V'
+     Print the version of Autoconf used to generate the `configure'
+     script, and exit.
+
+`--cache-file=FILE'
+     Enable the cache: use and save the results of the tests in FILE,
+     traditionally `config.cache'.  FILE defaults to `/dev/null' to
+     disable caching.
+
+`--config-cache'
+`-C'
+     Alias for `--cache-file=config.cache'.
+
+`--quiet'
+`--silent'
+`-q'
+     Do not print messages saying which checks are being made.  To
+     suppress all normal output, redirect it to `/dev/null' (any error
+     messages will still be shown).
+
+`--srcdir=DIR'
+     Look for the package's source code in directory DIR.  Usually
+     `configure' can determine that directory automatically.
+
+`--prefix=DIR'
+     Use DIR as the installation prefix.  *note Installation Names::
+     for more details, including other options available for fine-tuning
+     the installation locations.
+
+`--no-create'
+`-n'
+     Run the configure checks, but stop before creating any output
+     files.
+
+`configure' also accepts some other, not widely useful, options.  Run
+`configure --help' for more details.
+
diff --git a/Makefile.am b/Makefile.am
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new file mode 100644
index 0000000..2ff15c9
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+	target=`echo $@ | sed s/-recursive//`; \
+	list='$(SUBDIRS)'; for subdir in $$list; do \
+	  echo "Making $$target in $$subdir"; \
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+	  ($(am__cd) $$subdir && $(MAKE) $(AM_MAKEFLAGS) $$local_target) \
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+	  case $$f in \
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+	    *k*) failcom='fail=yes';; \
+	  esac; \
+	done; \
+	dot_seen=no; \
+	case "$@" in \
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+	  if test "$$subdir" = "."; then :; else \
+	    rev="$$subdir $$rev"; \
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+	done; \
+	rev="$$rev ."; \
+	target=`echo $@ | sed s/-recursive//`; \
+	for subdir in $$rev; do \
+	  echo "Making $$target in $$subdir"; \
+	  if test "$$subdir" = "."; then \
+	    local_target="$$target-am"; \
+	  else \
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+	      $$unique; \
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+	fi
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+	list='$(SOURCES) $(HEADERS) config.h.in $(LISP) $(TAGS_FILES)'; \
+	unique=`for i in $$list; do \
+	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+	  done | \
+	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
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+	test -z "$(CTAGS_ARGS)$$unique" \
+	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+	     $$unique
+
+GTAGS:
+	here=`$(am__cd) $(top_builddir) && pwd` \
+	  && $(am__cd) $(top_srcdir) \
+	  && gtags -i $(GTAGS_ARGS) "$$here"
+
+distclean-tags:
+	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+
+distdir: $(DISTFILES)
+	$(am__remove_distdir)
+	test -d "$(distdir)" || mkdir "$(distdir)"
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
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+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+	@list='$(DIST_SUBDIRS)'; for subdir in $$list; do \
+	  if test "$$subdir" = .; then :; else \
+	    test -d "$(distdir)/$$subdir" \
+	    || $(MKDIR_P) "$(distdir)/$$subdir" \
+	    || exit 1; \
+	  fi; \
+	done
+	@list='$(DIST_SUBDIRS)'; for subdir in $$list; do \
+	  if test "$$subdir" = .; then :; else \
+	    dir1=$$subdir; dir2="$(distdir)/$$subdir"; \
+	    $(am__relativize); \
+	    new_distdir=$$reldir; \
+	    dir1=$$subdir; dir2="$(top_distdir)"; \
+	    $(am__relativize); \
+	    new_top_distdir=$$reldir; \
+	    echo " (cd $$subdir && $(MAKE) $(AM_MAKEFLAGS) top_distdir="$$new_top_distdir" distdir="$$new_distdir" \\"; \
+	    echo "     am__remove_distdir=: am__skip_length_check=: am__skip_mode_fix=: distdir)"; \
+	    ($(am__cd) $$subdir && \
+	      $(MAKE) $(AM_MAKEFLAGS) \
+	        top_distdir="$$new_top_distdir" \
+	        distdir="$$new_distdir" \
+		am__remove_distdir=: \
+		am__skip_length_check=: \
+		am__skip_mode_fix=: \
+	        distdir) \
+	      || exit 1; \
+	  fi; \
+	done
+	-test -n "$(am__skip_mode_fix)" \
+	|| find "$(distdir)" -type d ! -perm -755 \
+		-exec chmod u+rwx,go+rx {} \; -o \
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+	  ! -type d ! -perm -444 -exec $(install_sh) -c -m a+r {} {} \; \
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+	*.tar.gz*) \
+	  GZIP=$(GZIP_ENV) gzip -dc $(distdir).tar.gz | $(am__untar) ;;\
+	*.tar.bz2*) \
+	  bzip2 -dc $(distdir).tar.bz2 | $(am__untar) ;;\
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+	chmod a-w $(distdir)
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+	dc_install_base=`$(am__cd) $(distdir)/_inst && pwd | sed -e 's,^[^:\\/]:[\\/],/,'` \
+	  && dc_destdir="$${TMPDIR-/tmp}/am-dc-$$$$/" \
+	  && am__cwd=`pwd` \
+	  && $(am__cd) $(distdir)/_build \
+	  && ../configure --srcdir=.. --prefix="$$dc_install_base" \
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+	  && $(MAKE) $(AM_MAKEFLAGS) \
+	  && $(MAKE) $(AM_MAKEFLAGS) dvi \
+	  && $(MAKE) $(AM_MAKEFLAGS) check \
+	  && $(MAKE) $(AM_MAKEFLAGS) install \
+	  && $(MAKE) $(AM_MAKEFLAGS) installcheck \
+	  && $(MAKE) $(AM_MAKEFLAGS) uninstall \
+	  && $(MAKE) $(AM_MAKEFLAGS) distuninstallcheck_dir="$$dc_install_base" \
+	        distuninstallcheck \
+	  && chmod -R a-w "$$dc_install_base" \
+	  && ({ \
+	       (cd ../.. && umask 077 && mkdir "$$dc_destdir") \
+	       && $(MAKE) $(AM_MAKEFLAGS) DESTDIR="$$dc_destdir" install \
+	       && $(MAKE) $(AM_MAKEFLAGS) DESTDIR="$$dc_destdir" uninstall \
+	       && $(MAKE) $(AM_MAKEFLAGS) DESTDIR="$$dc_destdir" \
+	            distuninstallcheck_dir="$$dc_destdir" distuninstallcheck; \
+	      } || { rm -rf "$$dc_destdir"; exit 1; }) \
+	  && rm -rf "$$dc_destdir" \
+	  && $(MAKE) $(AM_MAKEFLAGS) dist \
+	  && rm -rf $(DIST_ARCHIVES) \
+	  && $(MAKE) $(AM_MAKEFLAGS) distcleancheck \
+	  && cd "$$am__cwd" \
+	  || exit 1
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+	&& test `$(distuninstallcheck_listfiles) | wc -l` -le 1 \
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+	          echo "  (check DESTDIR support)"; \
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+	        exit 1; } >&2
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+	@if test '$(srcdir)' = . ; then \
+	  echo "ERROR: distcleancheck can only run from a VPATH build" ; \
+	  exit 1 ; \
+	fi
+	@test `$(distcleancheck_listfiles) | wc -l` -eq 0 \
+	  || { echo "ERROR: files left in build directory after distclean:" ; \
+	       $(distcleancheck_listfiles) ; \
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+	  `test -z '$(STRIP)' || \
+	    echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
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+clean-am: clean-generic mostlyclean-am
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+distclean: distclean-recursive
+	-rm -f $(am__CONFIG_DISTCLEAN_FILES)
+	-rm -f Makefile
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+.PHONY: $(RECURSIVE_CLEAN_TARGETS) $(RECURSIVE_TARGETS) CTAGS GTAGS \
+	all all-am am--refresh check check-am clean clean-generic \
+	ctags ctags-recursive dist dist-all dist-bzip2 dist-gzip \
+	dist-lzma dist-shar dist-tarZ dist-xz dist-zip distcheck \
+	distclean distclean-generic distclean-hdr distclean-tags \
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+	maintainer-clean-generic mostlyclean mostlyclean-generic pdf \
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diff --git a/NEWS b/NEWS
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/NEWS
diff --git a/README b/README
new file mode 100644
index 0000000..bb580f0
--- /dev/null
+++ b/README
@@ -0,0 +1,30 @@
+FbTerm - a fast FrameBuffer based TERMinal emulator for linux
+
+
+DESCRIPTION
+
+  FbTerm is a fast terminal emulator for linux with frame buffer device or VESA video card. Features include:
+  
+  * mostly as fast as terminal of linux kernel while accelerated scrolling is enabled
+  * select font with fontconfig and draw text with freetype2, same as Qt/Gtk+ based GUI apps
+  * dynamicly create/destroy up to 10 windows initially running default shell
+  * record scrollback history for every window
+  * auto-detect current locale and convert text encoding, support double width scripts like Chinese, Japanese etc
+  * switch between configurable additional text encodings with hot keys on the fly
+  * copy/past selected text between windows with mouse when gpm server is running
+  * change the orientation of screen display, a.k.a. screen rotation
+  * lightweight input method framework with client-server architecture
+  * background image for eye candy
+
+
+  read man page doc/fbterm.1 for usage help.
+
+
+INPUT METHOD
+
+  Instead of adding input method directly in FbTerm, a client-server based input method framework is designed to do 
+this work. FbTerm acts as a client, standalone IM program as a server, and they run in seperated processes.
+
+  As a normal IM user, please visit FbTerm's homepage (http://code.google.com/p/fbterm/) to check current available IM 
+programs. If you want to develope a new IM program for FbTerm, there is a IM example in im/ directory, which help you to 
+understand IM architecture and provide some base sources to simplify the development.
diff --git a/aclocal.m4 b/aclocal.m4
new file mode 100644
index 0000000..8fc1df9
--- /dev/null
+++ b/aclocal.m4
@@ -0,0 +1,1109 @@
+# generated automatically by aclocal 1.11.1 -*- Autoconf -*-
+
+# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
+# 2005, 2006, 2007, 2008, 2009  Free Software Foundation, Inc.
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+m4_ifndef([AC_AUTOCONF_VERSION],
+  [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl
+m4_if(m4_defn([AC_AUTOCONF_VERSION]), [2.65],,
+[m4_warning([this file was generated for autoconf 2.65.
+You have another version of autoconf.  It may work, but is not guaranteed to.
+If you have problems, you may need to regenerate the build system entirely.
+To do so, use the procedure documented by the package, typically `autoreconf'.])])
+
+# pkg.m4 - Macros to locate and utilise pkg-config.            -*- Autoconf -*-
+# 
+# Copyright © 2004 Scott James Remnant <scott@netsplit.com>.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+#
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.
+
+# PKG_PROG_PKG_CONFIG([MIN-VERSION])
+# ----------------------------------
+AC_DEFUN([PKG_PROG_PKG_CONFIG],
+[m4_pattern_forbid([^_?PKG_[A-Z_]+$])
+m4_pattern_allow([^PKG_CONFIG(_PATH)?$])
+AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility])dnl
+if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then
+	AC_PATH_TOOL([PKG_CONFIG], [pkg-config])
+fi
+if test -n "$PKG_CONFIG"; then
+	_pkg_min_version=m4_default([$1], [0.9.0])
+	AC_MSG_CHECKING([pkg-config is at least version $_pkg_min_version])
+	if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then
+		AC_MSG_RESULT([yes])
+	else
+		AC_MSG_RESULT([no])
+		PKG_CONFIG=""
+	fi
+		
+fi[]dnl
+])# PKG_PROG_PKG_CONFIG
+
+# PKG_CHECK_EXISTS(MODULES, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
+#
+# Check to see whether a particular set of modules exists.  Similar
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+#
+#
+# Similar to PKG_CHECK_MODULES, make sure that the first instance of
+# this or PKG_CHECK_MODULES is called, or make sure to call
+# PKG_CHECK_EXISTS manually
+# --------------------------------------------------------------
+AC_DEFUN([PKG_CHECK_EXISTS],
+[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
+if test -n "$PKG_CONFIG" && \
+    AC_RUN_LOG([$PKG_CONFIG --exists --print-errors "$1"]); then
+  m4_ifval([$2], [$2], [:])
+m4_ifvaln([$3], [else
+  $3])dnl
+fi])
+
+
+# _PKG_CONFIG([VARIABLE], [COMMAND], [MODULES])
+# ---------------------------------------------
+m4_define([_PKG_CONFIG],
+[if test -n "$PKG_CONFIG"; then
+    if test -n "$$1"; then
+        pkg_cv_[]$1="$$1"
+    else
+        PKG_CHECK_EXISTS([$3],
+                         [pkg_cv_[]$1=`$PKG_CONFIG --[]$2 "$3" 2>/dev/null`],
+			 [pkg_failed=yes])
+    fi
+else
+	pkg_failed=untried
+fi[]dnl
+])# _PKG_CONFIG
+
+# _PKG_SHORT_ERRORS_SUPPORTED
+# -----------------------------
+AC_DEFUN([_PKG_SHORT_ERRORS_SUPPORTED],
+[AC_REQUIRE([PKG_PROG_PKG_CONFIG])
+if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
+        _pkg_short_errors_supported=yes
+else
+        _pkg_short_errors_supported=no
+fi[]dnl
+])# _PKG_SHORT_ERRORS_SUPPORTED
+
+
+# PKG_CHECK_MODULES(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND],
+# [ACTION-IF-NOT-FOUND])
+#
+#
+# Note that if there is a possibility the first call to
+# PKG_CHECK_MODULES might not happen, you should be sure to include an
+# explicit call to PKG_PROG_PKG_CONFIG in your configure.ac
+#
+#
+# --------------------------------------------------------------
+AC_DEFUN([PKG_CHECK_MODULES],
+[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
+AC_ARG_VAR([$1][_CFLAGS], [C compiler flags for $1, overriding pkg-config])dnl
+AC_ARG_VAR([$1][_LIBS], [linker flags for $1, overriding pkg-config])dnl
+
+pkg_failed=no
+AC_MSG_CHECKING([for $1])
+
+_PKG_CONFIG([$1][_CFLAGS], [cflags], [$2])
+_PKG_CONFIG([$1][_LIBS], [libs], [$2])
+
+m4_define([_PKG_TEXT], [Alternatively, you may set the environment variables $1[]_CFLAGS
+and $1[]_LIBS to avoid the need to call pkg-config.
+See the pkg-config man page for more details.])
+
+if test $pkg_failed = yes; then
+        _PKG_SHORT_ERRORS_SUPPORTED
+        if test $_pkg_short_errors_supported = yes; then
+	        $1[]_PKG_ERRORS=`$PKG_CONFIG --short-errors --errors-to-stdout --print-errors "$2"`
+        else 
+	        $1[]_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"`
+        fi
+	# Put the nasty error message in config.log where it belongs
+	echo "$$1[]_PKG_ERRORS" >&AS_MESSAGE_LOG_FD
+
+	ifelse([$4], , [AC_MSG_ERROR(dnl
+[Package requirements ($2) were not met:
+
+$$1_PKG_ERRORS
+
+Consider adjusting the PKG_CONFIG_PATH environment variable if you
+installed software in a non-standard prefix.
+
+_PKG_TEXT
+])],
+		[AC_MSG_RESULT([no])
+                $4])
+elif test $pkg_failed = untried; then
+	ifelse([$4], , [AC_MSG_FAILURE(dnl
+[The pkg-config script could not be found or is too old.  Make sure it
+is in your PATH or set the PKG_CONFIG environment variable to the full
+path to pkg-config.
+
+_PKG_TEXT
+
+To get pkg-config, see <http://pkg-config.freedesktop.org/>.])],
+		[$4])
+else
+	$1[]_CFLAGS=$pkg_cv_[]$1[]_CFLAGS
+	$1[]_LIBS=$pkg_cv_[]$1[]_LIBS
+        AC_MSG_RESULT([yes])
+	ifelse([$3], , :, [$3])
+fi[]dnl
+])# PKG_CHECK_MODULES
+
+# Copyright (C) 2002, 2003, 2005, 2006, 2007, 2008  Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# AM_AUTOMAKE_VERSION(VERSION)
+# ----------------------------
+# Automake X.Y traces this macro to ensure aclocal.m4 has been
+# generated from the m4 files accompanying Automake X.Y.
+# (This private macro should not be called outside this file.)
+AC_DEFUN([AM_AUTOMAKE_VERSION],
+[am__api_version='1.11'
+dnl Some users find AM_AUTOMAKE_VERSION and mistake it for a way to
+dnl require some minimum version.  Point them to the right macro.
+m4_if([$1], [1.11.1], [],
+      [AC_FATAL([Do not call $0, use AM_INIT_AUTOMAKE([$1]).])])dnl
+])
+
+# _AM_AUTOCONF_VERSION(VERSION)
+# -----------------------------
+# aclocal traces this macro to find the Autoconf version.
+# This is a private macro too.  Using m4_define simplifies
+# the logic in aclocal, which can simply ignore this definition.
+m4_define([_AM_AUTOCONF_VERSION], [])
+
+# AM_SET_CURRENT_AUTOMAKE_VERSION
+# -------------------------------
+# Call AM_AUTOMAKE_VERSION and AM_AUTOMAKE_VERSION so they can be traced.
+# This function is AC_REQUIREd by AM_INIT_AUTOMAKE.
+AC_DEFUN([AM_SET_CURRENT_AUTOMAKE_VERSION],
+[AM_AUTOMAKE_VERSION([1.11.1])dnl
+m4_ifndef([AC_AUTOCONF_VERSION],
+  [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl
+_AM_AUTOCONF_VERSION(m4_defn([AC_AUTOCONF_VERSION]))])
+
+# AM_AUX_DIR_EXPAND                                         -*- Autoconf -*-
+
+# Copyright (C) 2001, 2003, 2005  Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# For projects using AC_CONFIG_AUX_DIR([foo]), Autoconf sets
+# $ac_aux_dir to `$srcdir/foo'.  In other projects, it is set to
+# `$srcdir', `$srcdir/..', or `$srcdir/../..'.
+#
+# Of course, Automake must honor this variable whenever it calls a
+# tool from the auxiliary directory.  The problem is that $srcdir (and
+# therefore $ac_aux_dir as well) can be either absolute or relative,
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+# it makes $ac_aux_dir quite unusable in subdirectories: in the top
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+#
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+#    fails when called from a subdirectory if $ac_aux_dir is relative
+# $top_srcdir/$ac_aux_dir/missing
+#    fails if $ac_aux_dir is absolute,
+#    fails when called from a subdirectory in a VPATH build with
+#          a relative $ac_aux_dir
+#
+# The reason of the latter failure is that $top_srcdir and $ac_aux_dir
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+#   MISSING="\${SHELL} $am_aux_dir/missing"
+# This will work as long as MISSING is not called from configure, because
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+# However there are other variables, like CC, which are often used in
+# configure, and could therefore not use this "fixed" $ac_aux_dir.
+#
+# Another solution, used here, is to always expand $ac_aux_dir to an
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+AC_DEFUN([AM_AUX_DIR_EXPAND],
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+am_aux_dir=`cd $ac_aux_dir && pwd`
+])
+
+# AM_CONDITIONAL                                            -*- Autoconf -*-
+
+# Copyright (C) 1997, 2000, 2001, 2003, 2004, 2005, 2006, 2008
+# Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# serial 9
+
+# AM_CONDITIONAL(NAME, SHELL-CONDITION)
+# -------------------------------------
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+AC_DEFUN([AM_CONDITIONAL],
+[AC_PREREQ(2.52)dnl
+ ifelse([$1], [TRUE],  [AC_FATAL([$0: invalid condition: $1])],
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+  $1_TRUE=
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+AC_CONFIG_COMMANDS_PRE(
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+  AC_MSG_ERROR([[conditional "$1" was never defined.
+Usually this means the macro was only invoked conditionally.]])
+fi])])
+
+# Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2009
+# Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# serial 10
+
+# There are a few dirty hacks below to avoid letting `AC_PROG_CC' be
+# written in clear, in which case automake, when reading aclocal.m4,
+# will think it sees a *use*, and therefore will trigger all it's
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+
+# _AM_DEPENDENCIES(NAME)
+# ----------------------
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+# NAME is "CC", "CXX", "GCJ", or "OBJC".
+# We try a few techniques and use that to set a single cache variable.
+#
+# We don't AC_REQUIRE the corresponding AC_PROG_CC since the latter was
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+AC_REQUIRE([AM_OUTPUT_DEPENDENCY_COMMANDS])dnl
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+  mkdir conftest.dir
+  # Copy depcomp to subdir because otherwise we won't find it if we're
+  # using a relative directory.
+  cp "$am_depcomp" conftest.dir
+  cd conftest.dir
+  # We will build objects and dependencies in a subdirectory because
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+  mkdir sub
+
+  am_cv_$1_dependencies_compiler_type=none
+  if test "$am_compiler_list" = ""; then
+     am_compiler_list=`sed -n ['s/^#*\([a-zA-Z0-9]*\))$/\1/p'] < ./depcomp`
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+  am__universal=false
+  m4_case([$1], [CC],
+    [case " $depcc " in #(
+     *\ -arch\ *\ -arch\ *) am__universal=true ;;
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+    [CXX],
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+     *\ -arch\ *\ -arch\ *) am__universal=true ;;
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+
+  for depmode in $am_compiler_list; do
+    # Setup a source with many dependencies, because some compilers
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+    #
+    # We need to recreate these files for each test, as the compiler may
+    # overwrite some of them when testing with obscure command lines.
+    # This happens at least with the AIX C compiler.
+    : > sub/conftest.c
+    for i in 1 2 3 4 5 6; do
+      echo '#include "conftst'$i'.h"' >> sub/conftest.c
+      # Using `: > sub/conftst$i.h' creates only sub/conftst1.h with
+      # Solaris 8's {/usr,}/bin/sh.
+      touch sub/conftst$i.h
+    done
+    echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf
+
+    # We check with `-c' and `-o' for the sake of the "dashmstdout"
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+    am__obj=sub/conftest.${OBJEXT-o}
+    am__minus_obj="-o $am__obj"
+    case $depmode in
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+      test "$am__universal" = false || continue
+      ;;
+    nosideeffect)
+      # after this tag, mechanisms are not by side-effect, so they'll
+      # only be used when explicitly requested
+      if test "x$enable_dependency_tracking" = xyes; then
+	continue
+      else
+	break
+      fi
+      ;;
+    msvisualcpp | msvcmsys)
+      # This compiler won't grok `-c -o', but also, the minuso test has
+      # not run yet.  These depmodes are late enough in the game, and
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+      am__obj=conftest.${OBJEXT-o}
+      am__minus_obj=
+      ;;
+    none) break ;;
+    esac
+    if depmode=$depmode \
+       source=sub/conftest.c object=$am__obj \
+       depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \
+       $SHELL ./depcomp $depcc -c $am__minus_obj sub/conftest.c \
+         >/dev/null 2>conftest.err &&
+       grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 &&
+       grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 &&
+       grep $am__obj sub/conftest.Po > /dev/null 2>&1 &&
+       ${MAKE-make} -s -f confmf > /dev/null 2>&1; then
+      # icc doesn't choke on unknown options, it will just issue warnings
+      # or remarks (even with -Werror).  So we grep stderr for any message
+      # that says an option was ignored or not supported.
+      # When given -MP, icc 7.0 and 7.1 complain thusly:
+      #   icc: Command line warning: ignoring option '-M'; no argument required
+      # The diagnosis changed in icc 8.0:
+      #   icc: Command line remark: option '-MP' not supported
+      if (grep 'ignoring option' conftest.err ||
+          grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else
+        am_cv_$1_dependencies_compiler_type=$depmode
+        break
+      fi
+    fi
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+
+  cd ..
+  rm -rf conftest.dir
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+  am_cv_$1_dependencies_compiler_type=none
+fi
+])
+AC_SUBST([$1DEPMODE], [depmode=$am_cv_$1_dependencies_compiler_type])
+AM_CONDITIONAL([am__fastdep$1], [
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+  && test "$am_cv_$1_dependencies_compiler_type" = gcc3])
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+
+
+# AM_SET_DEPDIR
+# -------------
+# Choose a directory name for dependency files.
+# This macro is AC_REQUIREd in _AM_DEPENDENCIES
+AC_DEFUN([AM_SET_DEPDIR],
+[AC_REQUIRE([AM_SET_LEADING_DOT])dnl
+AC_SUBST([DEPDIR], ["${am__leading_dot}deps"])dnl
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+# AM_DEP_TRACK
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+  am_depcomp="$ac_aux_dir/depcomp"
+  AMDEPBACKSLASH='\'
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+_AM_SUBST_NOTMAKE([AMDEPBACKSLASH])dnl
+])
+
+# Generate code to set up dependency tracking.              -*- Autoconf -*-
+
+# Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2008
+# Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+#serial 5
+
+# _AM_OUTPUT_DEPENDENCY_COMMANDS
+# ------------------------------
+AC_DEFUN([_AM_OUTPUT_DEPENDENCY_COMMANDS],
+[{
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+  case $CONFIG_FILES in
+  *\'*) eval set x "$CONFIG_FILES" ;;
+  *)   set x $CONFIG_FILES ;;
+  esac
+  shift
+  for mf
+  do
+    # Strip MF so we end up with the name of the file.
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+    # Check whether this is an Automake generated Makefile or not.
+    # We used to match only the files named `Makefile.in', but
+    # some people rename them; so instead we look at the file content.
+    # Grep'ing the first line is not enough: some people post-process
+    # each Makefile.in and add a new line on top of each file to say so.
+    # Grep'ing the whole file is not good either: AIX grep has a line
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+    if sed -n 's,^#.*generated by automake.*,X,p' "$mf" | grep X >/dev/null 2>&1; then
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+    else
+      continue
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+    # Extract the definition of DEPDIR, am__include, and am__quote
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+    test -z "$DEPDIR" && continue
+    am__include=`sed -n 's/^am__include = //p' < "$mf"`
+    test -z "am__include" && continue
+    am__quote=`sed -n 's/^am__quote = //p' < "$mf"`
+    # When using ansi2knr, U may be empty or an underscore; expand it
+    U=`sed -n 's/^U = //p' < "$mf"`
+    # Find all dependency output files, they are included files with
+    # $(DEPDIR) in their names.  We invoke sed twice because it is the
+    # simplest approach to changing $(DEPDIR) to its actual value in the
+    # expansion.
+    for file in `sed -n "
+      s/^$am__include $am__quote\(.*(DEPDIR).*\)$am__quote"'$/\1/p' <"$mf" | \
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+      AS_MKDIR_P([$dirpart/$fdir])
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+}
+])# _AM_OUTPUT_DEPENDENCY_COMMANDS
+
+
+# AM_OUTPUT_DEPENDENCY_COMMANDS
+# -----------------------------
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+     [AMDEP_TRUE="$AMDEP_TRUE" ac_aux_dir="$ac_aux_dir"])
+])
+
+# Do all the work for Automake.                             -*- Autoconf -*-
+
+# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
+# 2005, 2006, 2008, 2009 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# serial 16
+
+# This macro actually does too much.  Some checks are only needed if
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+
+# AM_INIT_AUTOMAKE(PACKAGE, VERSION, [NO-DEFINE])
+# AM_INIT_AUTOMAKE([OPTIONS])
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+# We support both call styles for the transition.  After
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+AC_DEFUN([AM_INIT_AUTOMAKE],
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+# test whether we have cygpath
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+dnl Diagnose old-style AC_INIT with new-style AM_AUTOMAKE_INIT.
+m4_if(m4_ifdef([AC_PACKAGE_NAME], 1)m4_ifdef([AC_PACKAGE_VERSION], 1), 11,,
+  [m4_fatal([AC_INIT should be called with package and version arguments])])dnl
+ AC_SUBST([PACKAGE], ['AC_PACKAGE_TARNAME'])dnl
+ AC_SUBST([VERSION], ['AC_PACKAGE_VERSION'])])dnl
+
+_AM_IF_OPTION([no-define],,
+[AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package])
+ AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package])])dnl
+
+# Some tools Automake needs.
+AC_REQUIRE([AM_SANITY_CHECK])dnl
+AC_REQUIRE([AC_ARG_PROGRAM])dnl
+AM_MISSING_PROG(ACLOCAL, aclocal-${am__api_version})
+AM_MISSING_PROG(AUTOCONF, autoconf)
+AM_MISSING_PROG(AUTOMAKE, automake-${am__api_version})
+AM_MISSING_PROG(AUTOHEADER, autoheader)
+AM_MISSING_PROG(MAKEINFO, makeinfo)
+AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
+AC_REQUIRE([AM_PROG_INSTALL_STRIP])dnl
+AC_REQUIRE([AM_PROG_MKDIR_P])dnl
+# We need awk for the "check" target.  The system "awk" is bad on
+# some platforms.
+AC_REQUIRE([AC_PROG_AWK])dnl
+AC_REQUIRE([AC_PROG_MAKE_SET])dnl
+AC_REQUIRE([AM_SET_LEADING_DOT])dnl
+_AM_IF_OPTION([tar-ustar], [_AM_PROG_TAR([ustar])],
+	      [_AM_IF_OPTION([tar-pax], [_AM_PROG_TAR([pax])],
+			     [_AM_PROG_TAR([v7])])])
+_AM_IF_OPTION([no-dependencies],,
+[AC_PROVIDE_IFELSE([AC_PROG_CC],
+		  [_AM_DEPENDENCIES(CC)],
+		  [define([AC_PROG_CC],
+			  defn([AC_PROG_CC])[_AM_DEPENDENCIES(CC)])])dnl
+AC_PROVIDE_IFELSE([AC_PROG_CXX],
+		  [_AM_DEPENDENCIES(CXX)],
+		  [define([AC_PROG_CXX],
+			  defn([AC_PROG_CXX])[_AM_DEPENDENCIES(CXX)])])dnl
+AC_PROVIDE_IFELSE([AC_PROG_OBJC],
+		  [_AM_DEPENDENCIES(OBJC)],
+		  [define([AC_PROG_OBJC],
+			  defn([AC_PROG_OBJC])[_AM_DEPENDENCIES(OBJC)])])dnl
+])
+_AM_IF_OPTION([silent-rules], [AC_REQUIRE([AM_SILENT_RULES])])dnl
+dnl The `parallel-tests' driver may need to know about EXEEXT, so add the
+dnl `am__EXEEXT' conditional if _AM_COMPILER_EXEEXT was seen.  This macro
+dnl is hooked onto _AC_COMPILER_EXEEXT early, see below.
+AC_CONFIG_COMMANDS_PRE(dnl
+[m4_provide_if([_AM_COMPILER_EXEEXT],
+  [AM_CONDITIONAL([am__EXEEXT], [test -n "$EXEEXT"])])])dnl
+])
+
+dnl Hook into `_AC_COMPILER_EXEEXT' early to learn its expansion.  Do not
+dnl add the conditional right here, as _AC_COMPILER_EXEEXT may be further
+dnl mangled by Autoconf and run in a shell conditional statement.
+m4_define([_AC_COMPILER_EXEEXT],
+m4_defn([_AC_COMPILER_EXEEXT])[m4_provide([_AM_COMPILER_EXEEXT])])
+
+
+# When config.status generates a header, we must update the stamp-h file.
+# This file resides in the same directory as the config header
+# that is generated.  The stamp files are numbered to have different names.
+
+# Autoconf calls _AC_AM_CONFIG_HEADER_HOOK (when defined) in the
+# loop where config.status creates the headers, so we can generate
+# our stamp files there.
+AC_DEFUN([_AC_AM_CONFIG_HEADER_HOOK],
+[# Compute $1's index in $config_headers.
+_am_arg=$1
+_am_stamp_count=1
+for _am_header in $config_headers :; do
+  case $_am_header in
+    $_am_arg | $_am_arg:* )
+      break ;;
+    * )
+      _am_stamp_count=`expr $_am_stamp_count + 1` ;;
+  esac
+done
+echo "timestamp for $_am_arg" >`AS_DIRNAME(["$_am_arg"])`/stamp-h[]$_am_stamp_count])
+
+# Copyright (C) 2001, 2003, 2005, 2008  Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# AM_PROG_INSTALL_SH
+# ------------------
+# Define $install_sh.
+AC_DEFUN([AM_PROG_INSTALL_SH],
+[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
+if test x"${install_sh}" != xset; then
+  case $am_aux_dir in
+  *\ * | *\	*)
+    install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;;
+  *)
+    install_sh="\${SHELL} $am_aux_dir/install-sh"
+  esac
+fi
+AC_SUBST(install_sh)])
+
+# Copyright (C) 2003, 2005  Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# serial 2
+
+# Check whether the underlying file-system supports filenames
+# with a leading dot.  For instance MS-DOS doesn't.
+AC_DEFUN([AM_SET_LEADING_DOT],
+[rm -rf .tst 2>/dev/null
+mkdir .tst 2>/dev/null
+if test -d .tst; then
+  am__leading_dot=.
+else
+  am__leading_dot=_
+fi
+rmdir .tst 2>/dev/null
+AC_SUBST([am__leading_dot])])
+
+# Check to see how 'make' treats includes.	            -*- Autoconf -*-
+
+# Copyright (C) 2001, 2002, 2003, 2005, 2009  Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# serial 4
+
+# AM_MAKE_INCLUDE()
+# -----------------
+# Check to see how make treats includes.
+AC_DEFUN([AM_MAKE_INCLUDE],
+[am_make=${MAKE-make}
+cat > confinc << 'END'
+am__doit:
+	@echo this is the am__doit target
+.PHONY: am__doit
+END
+# If we don't find an include directive, just comment out the code.
+AC_MSG_CHECKING([for style of include used by $am_make])
+am__include="#"
+am__quote=
+_am_result=none
+# First try GNU make style include.
+echo "include confinc" > confmf
+# Ignore all kinds of additional output from `make'.
+case `$am_make -s -f confmf 2> /dev/null` in #(
+*the\ am__doit\ target*)
+  am__include=include
+  am__quote=
+  _am_result=GNU
+  ;;
+esac
+# Now try BSD make style include.
+if test "$am__include" = "#"; then
+   echo '.include "confinc"' > confmf
+   case `$am_make -s -f confmf 2> /dev/null` in #(
+   *the\ am__doit\ target*)
+     am__include=.include
+     am__quote="\""
+     _am_result=BSD
+     ;;
+   esac
+fi
+AC_SUBST([am__include])
+AC_SUBST([am__quote])
+AC_MSG_RESULT([$_am_result])
+rm -f confinc confmf
+])
+
+# Fake the existence of programs that GNU maintainers use.  -*- Autoconf -*-
+
+# Copyright (C) 1997, 1999, 2000, 2001, 2003, 2004, 2005, 2008
+# Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# serial 6
+
+# AM_MISSING_PROG(NAME, PROGRAM)
+# ------------------------------
+AC_DEFUN([AM_MISSING_PROG],
+[AC_REQUIRE([AM_MISSING_HAS_RUN])
+$1=${$1-"${am_missing_run}$2"}
+AC_SUBST($1)])
+
+
+# AM_MISSING_HAS_RUN
+# ------------------
+# Define MISSING if not defined so far and test if it supports --run.
+# If it does, set am_missing_run to use it, otherwise, to nothing.
+AC_DEFUN([AM_MISSING_HAS_RUN],
+[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
+AC_REQUIRE_AUX_FILE([missing])dnl
+if test x"${MISSING+set}" != xset; then
+  case $am_aux_dir in
+  *\ * | *\	*)
+    MISSING="\${SHELL} \"$am_aux_dir/missing\"" ;;
+  *)
+    MISSING="\${SHELL} $am_aux_dir/missing" ;;
+  esac
+fi
+# Use eval to expand $SHELL
+if eval "$MISSING --run true"; then
+  am_missing_run="$MISSING --run "
+else
+  am_missing_run=
+  AC_MSG_WARN([`missing' script is too old or missing])
+fi
+])
+
+# Copyright (C) 2003, 2004, 2005, 2006  Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# AM_PROG_MKDIR_P
+# ---------------
+# Check for `mkdir -p'.
+AC_DEFUN([AM_PROG_MKDIR_P],
+[AC_PREREQ([2.60])dnl
+AC_REQUIRE([AC_PROG_MKDIR_P])dnl
+dnl Automake 1.8 to 1.9.6 used to define mkdir_p.  We now use MKDIR_P,
+dnl while keeping a definition of mkdir_p for backward compatibility.
+dnl @MKDIR_P@ is magic: AC_OUTPUT adjusts its value for each Makefile.
+dnl However we cannot define mkdir_p as $(MKDIR_P) for the sake of
+dnl Makefile.ins that do not define MKDIR_P, so we do our own
+dnl adjustment using top_builddir (which is defined more often than
+dnl MKDIR_P).
+AC_SUBST([mkdir_p], ["$MKDIR_P"])dnl
+case $mkdir_p in
+  [[\\/$]]* | ?:[[\\/]]*) ;;
+  */*) mkdir_p="\$(top_builddir)/$mkdir_p" ;;
+esac
+])
+
+# Helper functions for option handling.                     -*- Autoconf -*-
+
+# Copyright (C) 2001, 2002, 2003, 2005, 2008  Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# serial 4
+
+# _AM_MANGLE_OPTION(NAME)
+# -----------------------
+AC_DEFUN([_AM_MANGLE_OPTION],
+[[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])])
+
+# _AM_SET_OPTION(NAME)
+# ------------------------------
+# Set option NAME.  Presently that only means defining a flag for this option.
+AC_DEFUN([_AM_SET_OPTION],
+[m4_define(_AM_MANGLE_OPTION([$1]), 1)])
+
+# _AM_SET_OPTIONS(OPTIONS)
+# ----------------------------------
+# OPTIONS is a space-separated list of Automake options.
+AC_DEFUN([_AM_SET_OPTIONS],
+[m4_foreach_w([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])
+
+# _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET])
+# -------------------------------------------
+# Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
+AC_DEFUN([_AM_IF_OPTION],
+[m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
+
+# Check to make sure that the build environment is sane.    -*- Autoconf -*-
+
+# Copyright (C) 1996, 1997, 2000, 2001, 2003, 2005, 2008
+# Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# serial 5
+
+# AM_SANITY_CHECK
+# ---------------
+AC_DEFUN([AM_SANITY_CHECK],
+[AC_MSG_CHECKING([whether build environment is sane])
+# Just in case
+sleep 1
+echo timestamp > conftest.file
+# Reject unsafe characters in $srcdir or the absolute working directory
+# name.  Accept space and tab only in the latter.
+am_lf='
+'
+case `pwd` in
+  *[[\\\"\#\$\&\'\`$am_lf]]*)
+    AC_MSG_ERROR([unsafe absolute working directory name]);;
+esac
+case $srcdir in
+  *[[\\\"\#\$\&\'\`$am_lf\ \	]]*)
+    AC_MSG_ERROR([unsafe srcdir value: `$srcdir']);;
+esac
+
+# Do `set' in a subshell so we don't clobber the current shell's
+# arguments.  Must try -L first in case configure is actually a
+# symlink; some systems play weird games with the mod time of symlinks
+# (eg FreeBSD returns the mod time of the symlink's containing
+# directory).
+if (
+   set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
+   if test "$[*]" = "X"; then
+      # -L didn't work.
+      set X `ls -t "$srcdir/configure" conftest.file`
+   fi
+   rm -f conftest.file
+   if test "$[*]" != "X $srcdir/configure conftest.file" \
+      && test "$[*]" != "X conftest.file $srcdir/configure"; then
+
+      # If neither matched, then we have a broken ls.  This can happen
+      # if, for instance, CONFIG_SHELL is bash and it inherits a
+      # broken ls alias from the environment.  This has actually
+      # happened.  Such a system could not be considered "sane".
+      AC_MSG_ERROR([ls -t appears to fail.  Make sure there is not a broken
+alias in your environment])
+   fi
+
+   test "$[2]" = conftest.file
+   )
+then
+   # Ok.
+   :
+else
+   AC_MSG_ERROR([newly created file is older than distributed files!
+Check your system clock])
+fi
+AC_MSG_RESULT(yes)])
+
+# Copyright (C) 2001, 2003, 2005  Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# AM_PROG_INSTALL_STRIP
+# ---------------------
+# One issue with vendor `install' (even GNU) is that you can't
+# specify the program used to strip binaries.  This is especially
+# annoying in cross-compiling environments, where the build's strip
+# is unlikely to handle the host's binaries.
+# Fortunately install-sh will honor a STRIPPROG variable, so we
+# always use install-sh in `make install-strip', and initialize
+# STRIPPROG with the value of the STRIP variable (set by the user).
+AC_DEFUN([AM_PROG_INSTALL_STRIP],
+[AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
+# Installed binaries are usually stripped using `strip' when the user
+# run `make install-strip'.  However `strip' might not be the right
+# tool to use in cross-compilation environments, therefore Automake
+# will honor the `STRIP' environment variable to overrule this program.
+dnl Don't test for $cross_compiling = yes, because it might be `maybe'.
+if test "$cross_compiling" != no; then
+  AC_CHECK_TOOL([STRIP], [strip], :)
+fi
+INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
+AC_SUBST([INSTALL_STRIP_PROGRAM])])
+
+# Copyright (C) 2006, 2008  Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# serial 2
+
+# _AM_SUBST_NOTMAKE(VARIABLE)
+# ---------------------------
+# Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in.
+# This macro is traced by Automake.
+AC_DEFUN([_AM_SUBST_NOTMAKE])
+
+# AM_SUBST_NOTMAKE(VARIABLE)
+# ---------------------------
+# Public sister of _AM_SUBST_NOTMAKE.
+AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
+
+# Check how to create a tarball.                            -*- Autoconf -*-
+
+# Copyright (C) 2004, 2005  Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# serial 2
+
+# _AM_PROG_TAR(FORMAT)
+# --------------------
+# Check how to create a tarball in format FORMAT.
+# FORMAT should be one of `v7', `ustar', or `pax'.
+#
+# Substitute a variable $(am__tar) that is a command
+# writing to stdout a FORMAT-tarball containing the directory
+# $tardir.
+#     tardir=directory && $(am__tar) > result.tar
+#
+# Substitute a variable $(am__untar) that extract such
+# a tarball read from stdin.
+#     $(am__untar) < result.tar
+AC_DEFUN([_AM_PROG_TAR],
+[# Always define AMTAR for backward compatibility.
+AM_MISSING_PROG([AMTAR], [tar])
+m4_if([$1], [v7],
+     [am__tar='${AMTAR} chof - "$$tardir"'; am__untar='${AMTAR} xf -'],
+     [m4_case([$1], [ustar],, [pax],,
+              [m4_fatal([Unknown tar format])])
+AC_MSG_CHECKING([how to create a $1 tar archive])
+# Loop over all known methods to create a tar archive until one works.
+_am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
+_am_tools=${am_cv_prog_tar_$1-$_am_tools}
+# Do not fold the above two line into one, because Tru64 sh and
+# Solaris sh will not grok spaces in the rhs of `-'.
+for _am_tool in $_am_tools
+do
+  case $_am_tool in
+  gnutar)
+    for _am_tar in tar gnutar gtar;
+    do
+      AM_RUN_LOG([$_am_tar --version]) && break
+    done
+    am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
+    am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
+    am__untar="$_am_tar -xf -"
+    ;;
+  plaintar)
+    # Must skip GNU tar: if it does not support --format= it doesn't create
+    # ustar tarball either.
+    (tar --version) >/dev/null 2>&1 && continue
+    am__tar='tar chf - "$$tardir"'
+    am__tar_='tar chf - "$tardir"'
+    am__untar='tar xf -'
+    ;;
+  pax)
+    am__tar='pax -L -x $1 -w "$$tardir"'
+    am__tar_='pax -L -x $1 -w "$tardir"'
+    am__untar='pax -r'
+    ;;
+  cpio)
+    am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
+    am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
+    am__untar='cpio -i -H $1 -d'
+    ;;
+  none)
+    am__tar=false
+    am__tar_=false
+    am__untar=false
+    ;;
+  esac
+
+  # If the value was cached, stop now.  We just wanted to have am__tar
+  # and am__untar set.
+  test -n "${am_cv_prog_tar_$1}" && break
+
+  # tar/untar a dummy directory, and stop if the command works
+  rm -rf conftest.dir
+  mkdir conftest.dir
+  echo GrepMe > conftest.dir/file
+  AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
+  rm -rf conftest.dir
+  if test -s conftest.tar; then
+    AM_RUN_LOG([$am__untar <conftest.tar])
+    grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
+  fi
+done
+rm -rf conftest.dir
+
+AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
+AC_MSG_RESULT([$am_cv_prog_tar_$1])])
+AC_SUBST([am__tar])
+AC_SUBST([am__untar])
+]) # _AM_PROG_TAR
+
diff --git a/config.h.in b/config.h.in
new file mode 100644
index 0000000..730799b
--- /dev/null
+++ b/config.h.in
@@ -0,0 +1,180 @@
+/* config.h.in.  Generated from configure.ac by autoheader.  */
+
+/* */
+#undef ENABLE_GPM
+
+/* */
+#undef ENABLE_VESA
+
+/* */
+#undef HAVE_EPOLL
+
+/* Define to 1 if you have the <fcntl.h> header file. */
+#undef HAVE_FCNTL_H
+
+/* Define to 1 if you have the `getpagesize' function. */
+#undef HAVE_GETPAGESIZE
+
+/* Define to 1 if you have the <gpm.h> header file. */
+#undef HAVE_GPM_H
+
+/* Define to 1 if you have the <inttypes.h> header file. */
+#undef HAVE_INTTYPES_H
+
+/* Define to 1 if you have the <langinfo.h> header file. */
+#undef HAVE_LANGINFO_H
+
+/* Define to 1 if you have the `util' library (-lutil). */
+#undef HAVE_LIBUTIL
+
+/* Define to 1 if you have the <libx86.h> header file. */
+#undef HAVE_LIBX86_H
+
+/* Define to 1 if you have the <linux/fb.h> header file. */
+#undef HAVE_LINUX_FB_H
+
+/* Define to 1 if you have the <linux/input.h> header file. */
+#undef HAVE_LINUX_INPUT_H
+
+/* Define to 1 if you have the <linux/kd.h> header file. */
+#undef HAVE_LINUX_KD_H
+
+/* Define to 1 if you have the <linux/keyboard.h> header file. */
+#undef HAVE_LINUX_KEYBOARD_H
+
+/* Define to 1 if you have the <locale.h> header file. */
+#undef HAVE_LOCALE_H
+
+/* Define to 1 if you have the `memmove' function. */
+#undef HAVE_MEMMOVE
+
+/* Define to 1 if you have the <memory.h> header file. */
+#undef HAVE_MEMORY_H
+
+/* Define to 1 if you have the `memset' function. */
+#undef HAVE_MEMSET
+
+/* Define to 1 if you have a working `mmap' system call. */
+#undef HAVE_MMAP
+
+/* Define to 1 if you have the `munmap' function. */
+#undef HAVE_MUNMAP
+
+/* Define to 1 if you have the `nl_langinfo' function. */
+#undef HAVE_NL_LANGINFO
+
+/* Define to 1 if you have the `setenv' function. */
+#undef HAVE_SETENV
+
+/* Define to 1 if you have the `setlocale' function. */
+#undef HAVE_SETLOCALE
+
+/* */
+#undef HAVE_SIGNALFD
+
+/* Define to 1 if you have the `socket' function. */
+#undef HAVE_SOCKET
+
+/* Define to 1 if `stat' has the bug that it succeeds when given the
+   zero-length file name argument. */
+#undef HAVE_STAT_EMPTY_STRING_BUG
+
+/* Define to 1 if stdbool.h conforms to C99. */
+#undef HAVE_STDBOOL_H
+
+/* Define to 1 if you have the <stddef.h> header file. */
+#undef HAVE_STDDEF_H
+
+/* Define to 1 if you have the <stdint.h> header file. */
+#undef HAVE_STDINT_H
+
+/* Define to 1 if you have the <stdlib.h> header file. */
+#undef HAVE_STDLIB_H
+
+/* Define to 1 if you have the `strcasecmp' function. */
+#undef HAVE_STRCASECMP
+
+/* Define to 1 if you have the `strchr' function. */
+#undef HAVE_STRCHR
+
+/* Define to 1 if you have the <strings.h> header file. */
+#undef HAVE_STRINGS_H
+
+/* Define to 1 if you have the <string.h> header file. */
+#undef HAVE_STRING_H
+
+/* Define to 1 if you have the `strstr' function. */
+#undef HAVE_STRSTR
+
+/* Define to 1 if you have the `strtol' function. */
+#undef HAVE_STRTOL
+
+/* Define to 1 if you have the <sys/ioctl.h> header file. */
+#undef HAVE_SYS_IOCTL_H
+
+/* Define to 1 if you have the <sys/param.h> header file. */
+#undef HAVE_SYS_PARAM_H
+
+/* Define to 1 if you have the <sys/socket.h> header file. */
+#undef HAVE_SYS_SOCKET_H
+
+/* Define to 1 if you have the <sys/stat.h> header file. */
+#undef HAVE_SYS_STAT_H
+
+/* Define to 1 if you have the <sys/time.h> header file. */
+#undef HAVE_SYS_TIME_H
+
+/* Define to 1 if you have the <sys/types.h> header file. */
+#undef HAVE_SYS_TYPES_H
+
+/* Define to 1 if you have <sys/wait.h> that is POSIX.1 compatible. */
+#undef HAVE_SYS_WAIT_H
+
+/* Define to 1 if you have the <termios.h> header file. */
+#undef HAVE_TERMIOS_H
+
+/* Define to 1 if you have the <unistd.h> header file. */
+#undef HAVE_UNISTD_H
+
+/* Define to 1 if the system has the type `_Bool'. */
+#undef HAVE__BOOL
+
+/* Define to 1 if `lstat' dereferences a symlink specified with a trailing
+   slash. */
+#undef LSTAT_FOLLOWS_SLASHED_SYMLINK
+
+/* Name of package */
+#undef PACKAGE
+
+/* Define to the address where bug reports for this package should be sent. */
+#undef PACKAGE_BUGREPORT
+
+/* Define to the full name of this package. */
+#undef PACKAGE_NAME
+
+/* Define to the full name and version of this package. */
+#undef PACKAGE_STRING
+
+/* Define to the one symbol short name of this package. */
+#undef PACKAGE_TARNAME
+
+/* Define to the home page for this package. */
+#undef PACKAGE_URL
+
+/* Define to the version of this package. */
+#undef PACKAGE_VERSION
+
+/* Define as the return type of signal handlers (`int' or `void'). */
+#undef RETSIGTYPE
+
+/* Define to 1 if you have the ANSI C header files. */
+#undef STDC_HEADERS
+
+/* Define to 1 if your <sys/time.h> declares `struct tm'. */
+#undef TM_IN_SYS_TIME
+
+/* Version number of package */
+#undef VERSION
+
+/* Define to empty if `const' does not conform to ANSI C. */
+#undef const
diff --git a/configure b/configure
new file mode 100755
index 0000000..d416407
--- /dev/null
+++ b/configure
@@ -0,0 +1,7281 @@
+#! /bin/sh
+# Guess values for system-dependent variables and create Makefiles.
+# Generated by GNU Autoconf 2.65 for FbTerm 1.7.
+#
+#
+# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
+# 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation,
+# Inc.
+#
+#
+# This configure script is free software; the Free Software Foundation
+# gives unlimited permission to copy, distribute and modify it.
+## -------------------- ##
+## M4sh Initialization. ##
+## -------------------- ##
+
+# Be more Bourne compatible
+DUALCASE=1; export DUALCASE # for MKS sh
+if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then :
+  emulate sh
+  NULLCMD=:
+  # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
+  # is contrary to our usage.  Disable this feature.
+  alias -g '${1+"$@"}'='"$@"'
+  setopt NO_GLOB_SUBST
+else
+  case `(set -o) 2>/dev/null` in #(
+  *posix*) :
+    set -o posix ;; #(
+  *) :
+     ;;
+esac
+fi
+
+
+as_nl='
+'
+export as_nl
+# Printing a long string crashes Solaris 7 /usr/bin/printf.
+as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
+as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo
+as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo
+# Prefer a ksh shell builtin over an external printf program on Solaris,
+# but without wasting forks for bash or zsh.
+if test -z "$BASH_VERSION$ZSH_VERSION" \
+    && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then
+  as_echo='print -r --'
+  as_echo_n='print -rn --'
+elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then
+  as_echo='printf %s\n'
+  as_echo_n='printf %s'
+else
+  if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then
+    as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"'
+    as_echo_n='/usr/ucb/echo -n'
+  else
+    as_echo_body='eval expr "X$1" : "X\\(.*\\)"'
+    as_echo_n_body='eval
+      arg=$1;
+      case $arg in #(
+      *"$as_nl"*)
+	expr "X$arg" : "X\\(.*\\)$as_nl";
+	arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;;
+      esac;
+      expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl"
+    '
+    export as_echo_n_body
+    as_echo_n='sh -c $as_echo_n_body as_echo'
+  fi
+  export as_echo_body
+  as_echo='sh -c $as_echo_body as_echo'
+fi
+
+# The user is always right.
+if test "${PATH_SEPARATOR+set}" != set; then
+  PATH_SEPARATOR=:
+  (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && {
+    (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 ||
+      PATH_SEPARATOR=';'
+  }
+fi
+
+
+# IFS
+# We need space, tab and new line, in precisely that order.  Quoting is
+# there to prevent editors from complaining about space-tab.
+# (If _AS_PATH_WALK were called with IFS unset, it would disable word
+# splitting by setting IFS to empty value.)
+IFS=" ""	$as_nl"
+
+# Find who we are.  Look in the path if we contain no directory separator.
+case $0 in #((
+  *[\\/]* ) as_myself=$0 ;;
+  *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
+  done
+IFS=$as_save_IFS
+
+     ;;
+esac
+# We did not find ourselves, most probably we were run as `sh COMMAND'
+# in which case we are not to be found in the path.
+if test "x$as_myself" = x; then
+  as_myself=$0
+fi
+if test ! -f "$as_myself"; then
+  $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
+  exit 1
+fi
+
+# Unset variables that we do not need and which cause bugs (e.g. in
+# pre-3.0 UWIN ksh).  But do not cause bugs in bash 2.01; the "|| exit 1"
+# suppresses any "Segmentation fault" message there.  '((' could
+# trigger a bug in pdksh 5.2.14.
+for as_var in BASH_ENV ENV MAIL MAILPATH
+do eval test x\${$as_var+set} = xset \
+  && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || :
+done
+PS1='$ '
+PS2='> '
+PS4='+ '
+
+# NLS nuisances.
+LC_ALL=C
+export LC_ALL
+LANGUAGE=C
+export LANGUAGE
+
+# CDPATH.
+(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
+
+if test "x$CONFIG_SHELL" = x; then
+  as_bourne_compatible="if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then :
+  emulate sh
+  NULLCMD=:
+  # Pre-4.2 versions of Zsh do word splitting on \${1+\"\$@\"}, which
+  # is contrary to our usage.  Disable this feature.
+  alias -g '\${1+\"\$@\"}'='\"\$@\"'
+  setopt NO_GLOB_SUBST
+else
+  case \`(set -o) 2>/dev/null\` in #(
+  *posix*) :
+    set -o posix ;; #(
+  *) :
+     ;;
+esac
+fi
+"
+  as_required="as_fn_return () { (exit \$1); }
+as_fn_success () { as_fn_return 0; }
+as_fn_failure () { as_fn_return 1; }
+as_fn_ret_success () { return 0; }
+as_fn_ret_failure () { return 1; }
+
+exitcode=0
+as_fn_success || { exitcode=1; echo as_fn_success failed.; }
+as_fn_failure && { exitcode=1; echo as_fn_failure succeeded.; }
+as_fn_ret_success || { exitcode=1; echo as_fn_ret_success failed.; }
+as_fn_ret_failure && { exitcode=1; echo as_fn_ret_failure succeeded.; }
+if ( set x; as_fn_ret_success y && test x = \"\$1\" ); then :
+
+else
+  exitcode=1; echo positional parameters were not saved.
+fi
+test x\$exitcode = x0 || exit 1"
+  as_suggested="  as_lineno_1=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_1a=\$LINENO
+  as_lineno_2=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_2a=\$LINENO
+  eval 'test \"x\$as_lineno_1'\$as_run'\" != \"x\$as_lineno_2'\$as_run'\" &&
+  test \"x\`expr \$as_lineno_1'\$as_run' + 1\`\" = \"x\$as_lineno_2'\$as_run'\"' || exit 1
+test \$(( 1 + 1 )) = 2 || exit 1"
+  if (eval "$as_required") 2>/dev/null; then :
+  as_have_required=yes
+else
+  as_have_required=no
+fi
+  if test x$as_have_required = xyes && (eval "$as_suggested") 2>/dev/null; then :
+
+else
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+as_found=false
+for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  as_found=:
+  case $as_dir in #(
+	 /*)
+	   for as_base in sh bash ksh sh5; do
+	     # Try only shells that exist, to save several forks.
+	     as_shell=$as_dir/$as_base
+	     if { test -f "$as_shell" || test -f "$as_shell.exe"; } &&
+		    { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$as_shell"; } 2>/dev/null; then :
+  CONFIG_SHELL=$as_shell as_have_required=yes
+		   if { $as_echo "$as_bourne_compatible""$as_suggested" | as_run=a "$as_shell"; } 2>/dev/null; then :
+  break 2
+fi
+fi
+	   done;;
+       esac
+  as_found=false
+done
+$as_found || { if { test -f "$SHELL" || test -f "$SHELL.exe"; } &&
+	      { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$SHELL"; } 2>/dev/null; then :
+  CONFIG_SHELL=$SHELL as_have_required=yes
+fi; }
+IFS=$as_save_IFS
+
+
+      if test "x$CONFIG_SHELL" != x; then :
+  # We cannot yet assume a decent shell, so we have to provide a
+	# neutralization value for shells without unset; and this also
+	# works around shells that cannot unset nonexistent variables.
+	BASH_ENV=/dev/null
+	ENV=/dev/null
+	(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV
+	export CONFIG_SHELL
+	exec "$CONFIG_SHELL" "$as_myself" ${1+"$@"}
+fi
+
+    if test x$as_have_required = xno; then :
+  $as_echo "$0: This script requires a shell more modern than all"
+  $as_echo "$0: the shells that I found on your system."
+  if test x${ZSH_VERSION+set} = xset ; then
+    $as_echo "$0: In particular, zsh $ZSH_VERSION has bugs and should"
+    $as_echo "$0: be upgraded to zsh 4.3.4 or later."
+  else
+    $as_echo "$0: Please tell bug-autoconf@gnu.org about your system,
+$0: including any error possibly output before this
+$0: message. Then install a modern shell, or manually run
+$0: the script under such a shell if you do have one."
+  fi
+  exit 1
+fi
+fi
+fi
+SHELL=${CONFIG_SHELL-/bin/sh}
+export SHELL
+# Unset more variables known to interfere with behavior of common tools.
+CLICOLOR_FORCE= GREP_OPTIONS=
+unset CLICOLOR_FORCE GREP_OPTIONS
+
+## --------------------- ##
+## M4sh Shell Functions. ##
+## --------------------- ##
+# as_fn_unset VAR
+# ---------------
+# Portably unset VAR.
+as_fn_unset ()
+{
+  { eval $1=; unset $1;}
+}
+as_unset=as_fn_unset
+
+# as_fn_set_status STATUS
+# -----------------------
+# Set $? to STATUS, without forking.
+as_fn_set_status ()
+{
+  return $1
+} # as_fn_set_status
+
+# as_fn_exit STATUS
+# -----------------
+# Exit the shell with STATUS, even in a "trap 0" or "set -e" context.
+as_fn_exit ()
+{
+  set +e
+  as_fn_set_status $1
+  exit $1
+} # as_fn_exit
+
+# as_fn_mkdir_p
+# -------------
+# Create "$as_dir" as a directory, including parents if necessary.
+as_fn_mkdir_p ()
+{
+
+  case $as_dir in #(
+  -*) as_dir=./$as_dir;;
+  esac
+  test -d "$as_dir" || eval $as_mkdir_p || {
+    as_dirs=
+    while :; do
+      case $as_dir in #(
+      *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(
+      *) as_qdir=$as_dir;;
+      esac
+      as_dirs="'$as_qdir' $as_dirs"
+      as_dir=`$as_dirname -- "$as_dir" ||
+$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+	 X"$as_dir" : 'X\(//\)[^/]' \| \
+	 X"$as_dir" : 'X\(//\)$' \| \
+	 X"$as_dir" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X"$as_dir" |
+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)[^/].*/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+      test -d "$as_dir" && break
+    done
+    test -z "$as_dirs" || eval "mkdir $as_dirs"
+  } || test -d "$as_dir" || as_fn_error "cannot create directory $as_dir"
+
+
+} # as_fn_mkdir_p
+# as_fn_append VAR VALUE
+# ----------------------
+# Append the text in VALUE to the end of the definition contained in VAR. Take
+# advantage of any shell optimizations that allow amortized linear growth over
+# repeated appends, instead of the typical quadratic growth present in naive
+# implementations.
+if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null; then :
+  eval 'as_fn_append ()
+  {
+    eval $1+=\$2
+  }'
+else
+  as_fn_append ()
+  {
+    eval $1=\$$1\$2
+  }
+fi # as_fn_append
+
+# as_fn_arith ARG...
+# ------------------
+# Perform arithmetic evaluation on the ARGs, and store the result in the
+# global $as_val. Take advantage of shells that can avoid forks. The arguments
+# must be portable across $(()) and expr.
+if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then :
+  eval 'as_fn_arith ()
+  {
+    as_val=$(( $* ))
+  }'
+else
+  as_fn_arith ()
+  {
+    as_val=`expr "$@" || test $? -eq 1`
+  }
+fi # as_fn_arith
+
+
+# as_fn_error ERROR [LINENO LOG_FD]
+# ---------------------------------
+# Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are
+# provided, also output the error to LOG_FD, referencing LINENO. Then exit the
+# script with status $?, using 1 if that was 0.
+as_fn_error ()
+{
+  as_status=$?; test $as_status -eq 0 && as_status=1
+  if test "$3"; then
+    as_lineno=${as_lineno-"$2"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+    $as_echo "$as_me:${as_lineno-$LINENO}: error: $1" >&$3
+  fi
+  $as_echo "$as_me: error: $1" >&2
+  as_fn_exit $as_status
+} # as_fn_error
+
+if expr a : '\(a\)' >/dev/null 2>&1 &&
+   test "X`expr 00001 : '.*\(...\)'`" = X001; then
+  as_expr=expr
+else
+  as_expr=false
+fi
+
+if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then
+  as_basename=basename
+else
+  as_basename=false
+fi
+
+if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then
+  as_dirname=dirname
+else
+  as_dirname=false
+fi
+
+as_me=`$as_basename -- "$0" ||
+$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
+	 X"$0" : 'X\(//\)$' \| \
+	 X"$0" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X/"$0" |
+    sed '/^.*\/\([^/][^/]*\)\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\/\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\/\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+
+# Avoid depending upon Character Ranges.
+as_cr_letters='abcdefghijklmnopqrstuvwxyz'
+as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
+as_cr_Letters=$as_cr_letters$as_cr_LETTERS
+as_cr_digits='0123456789'
+as_cr_alnum=$as_cr_Letters$as_cr_digits
+
+
+  as_lineno_1=$LINENO as_lineno_1a=$LINENO
+  as_lineno_2=$LINENO as_lineno_2a=$LINENO
+  eval 'test "x$as_lineno_1'$as_run'" != "x$as_lineno_2'$as_run'" &&
+  test "x`expr $as_lineno_1'$as_run' + 1`" = "x$as_lineno_2'$as_run'"' || {
+  # Blame Lee E. McMahon (1931-1989) for sed's syntax.  :-)
+  sed -n '
+    p
+    /[$]LINENO/=
+  ' <$as_myself |
+    sed '
+      s/[$]LINENO.*/&-/
+      t lineno
+      b
+      :lineno
+      N
+      :loop
+      s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/
+      t loop
+      s/-\n.*//
+    ' >$as_me.lineno &&
+  chmod +x "$as_me.lineno" ||
+    { $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; }
+
+  # Don't try to exec as it changes $[0], causing all sort of problems
+  # (the dirname of $[0] is not the place where we might find the
+  # original and so on.  Autoconf is especially sensitive to this).
+  . "./$as_me.lineno"
+  # Exit status is that of the last command.
+  exit
+}
+
+ECHO_C= ECHO_N= ECHO_T=
+case `echo -n x` in #(((((
+-n*)
+  case `echo 'xy\c'` in
+  *c*) ECHO_T='	';;	# ECHO_T is single tab character.
+  xy)  ECHO_C='\c';;
+  *)   echo `echo ksh88 bug on AIX 6.1` > /dev/null
+       ECHO_T='	';;
+  esac;;
+*)
+  ECHO_N='-n';;
+esac
+
+rm -f conf$$ conf$$.exe conf$$.file
+if test -d conf$$.dir; then
+  rm -f conf$$.dir/conf$$.file
+else
+  rm -f conf$$.dir
+  mkdir conf$$.dir 2>/dev/null
+fi
+if (echo >conf$$.file) 2>/dev/null; then
+  if ln -s conf$$.file conf$$ 2>/dev/null; then
+    as_ln_s='ln -s'
+    # ... but there are two gotchas:
+    # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
+    # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
+    # In both cases, we have to default to `cp -p'.
+    ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
+      as_ln_s='cp -p'
+  elif ln conf$$.file conf$$ 2>/dev/null; then
+    as_ln_s=ln
+  else
+    as_ln_s='cp -p'
+  fi
+else
+  as_ln_s='cp -p'
+fi
+rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file
+rmdir conf$$.dir 2>/dev/null
+
+if mkdir -p . 2>/dev/null; then
+  as_mkdir_p='mkdir -p "$as_dir"'
+else
+  test -d ./-p && rmdir ./-p
+  as_mkdir_p=false
+fi
+
+if test -x / >/dev/null 2>&1; then
+  as_test_x='test -x'
+else
+  if ls -dL / >/dev/null 2>&1; then
+    as_ls_L_option=L
+  else
+    as_ls_L_option=
+  fi
+  as_test_x='
+    eval sh -c '\''
+      if test -d "$1"; then
+	test -d "$1/.";
+      else
+	case $1 in #(
+	-*)set "./$1";;
+	esac;
+	case `ls -ld'$as_ls_L_option' "$1" 2>/dev/null` in #((
+	???[sx]*):;;*)false;;esac;fi
+    '\'' sh
+  '
+fi
+as_executable_p=$as_test_x
+
+# Sed expression to map a string onto a valid CPP name.
+as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"
+
+# Sed expression to map a string onto a valid variable name.
+as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'"
+
+
+test -n "$DJDIR" || exec 7<&0 </dev/null
+exec 6>&1
+
+# Name of the host.
+# hostname on some systems (SVR3.2, Linux) returns a bogus exit status,
+# so uname gets run too.
+ac_hostname=`(hostname || uname -n) 2>/dev/null | sed 1q`
+
+#
+# Initializations.
+#
+ac_default_prefix=/usr/local
+ac_clean_files=
+ac_config_libobj_dir=.
+LIBOBJS=
+cross_compiling=no
+subdirs=
+MFLAGS=
+MAKEFLAGS=
+
+# Identity of this package.
+PACKAGE_NAME='FbTerm'
+PACKAGE_TARNAME='fbterm'
+PACKAGE_VERSION='1.7'
+PACKAGE_STRING='FbTerm 1.7'
+PACKAGE_BUGREPORT=''
+PACKAGE_URL=''
+
+ac_unique_file="src/fbterm.cpp"
+# Factoring default headers for most tests.
+ac_includes_default="\
+#include <stdio.h>
+#ifdef HAVE_SYS_TYPES_H
+# include <sys/types.h>
+#endif
+#ifdef HAVE_SYS_STAT_H
+# include <sys/stat.h>
+#endif
+#ifdef STDC_HEADERS
+# include <stdlib.h>
+# include <stddef.h>
+#else
+# ifdef HAVE_STDLIB_H
+#  include <stdlib.h>
+# endif
+#endif
+#ifdef HAVE_STRING_H
+# if !defined STDC_HEADERS && defined HAVE_MEMORY_H
+#  include <memory.h>
+# endif
+# include <string.h>
+#endif
+#ifdef HAVE_STRINGS_H
+# include <strings.h>
+#endif
+#ifdef HAVE_INTTYPES_H
+# include <inttypes.h>
+#endif
+#ifdef HAVE_STDINT_H
+# include <stdint.h>
+#endif
+#ifdef HAVE_UNISTD_H
+# include <unistd.h>
+#endif"
+
+ac_header_list=
+ac_subst_vars='am__EXEEXT_FALSE
+am__EXEEXT_TRUE
+LTLIBOBJS
+X86_LIBS
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+CPP
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+FT2_LIBS
+FT2_CFLAGS
+PKG_CONFIG
+RANLIB
+am__fastdepCC_FALSE
+am__fastdepCC_TRUE
+CCDEPMODE
+ac_ct_CC
+CFLAGS
+CC
+am__fastdepCXX_FALSE
+am__fastdepCXX_TRUE
+CXXDEPMODE
+AMDEPBACKSLASH
+AMDEP_FALSE
+AMDEP_TRUE
+am__quote
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+CXXFLAGS
+CXX
+RELEASE_DATE
+am__untar
+am__tar
+AMTAR
+am__leading_dot
+SET_MAKE
+AWK
+mkdir_p
+MKDIR_P
+INSTALL_STRIP_PROGRAM
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+install_sh
+MAKEINFO
+AUTOHEADER
+AUTOMAKE
+AUTOCONF
+ACLOCAL
+VERSION
+PACKAGE
+CYGPATH_W
+am__isrc
+INSTALL_DATA
+INSTALL_SCRIPT
+INSTALL_PROGRAM
+target_alias
+host_alias
+build_alias
+LIBS
+ECHO_T
+ECHO_N
+ECHO_C
+DEFS
+mandir
+localedir
+libdir
+psdir
+pdfdir
+dvidir
+htmldir
+infodir
+docdir
+oldincludedir
+includedir
+localstatedir
+sharedstatedir
+sysconfdir
+datadir
+datarootdir
+libexecdir
+sbindir
+bindir
+program_transform_name
+prefix
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+PACKAGE_BUGREPORT
+PACKAGE_STRING
+PACKAGE_VERSION
+PACKAGE_TARNAME
+PACKAGE_NAME
+PATH_SEPARATOR
+SHELL'
+ac_subst_files=''
+ac_user_opts='
+enable_option_checking
+enable_dependency_tracking
+enable_gpm
+enable_vesa
+enable_epoll
+enable_signalfd
+'
+      ac_precious_vars='build_alias
+host_alias
+target_alias
+CXX
+CXXFLAGS
+LDFLAGS
+LIBS
+CPPFLAGS
+CCC
+CC
+CFLAGS
+PKG_CONFIG
+FT2_CFLAGS
+FT2_LIBS
+FC_CFLAGS
+FC_LIBS
+CPP'
+
+
+# Initialize some variables set by options.
+ac_init_help=
+ac_init_version=false
+ac_unrecognized_opts=
+ac_unrecognized_sep=
+# The variables have the same names as the options, with
+# dashes changed to underlines.
+cache_file=/dev/null
+exec_prefix=NONE
+no_create=
+no_recursion=
+prefix=NONE
+program_prefix=NONE
+program_suffix=NONE
+program_transform_name=s,x,x,
+silent=
+site=
+srcdir=
+verbose=
+x_includes=NONE
+x_libraries=NONE
+
+# Installation directory options.
+# These are left unexpanded so users can "make install exec_prefix=/foo"
+# and all the variables that are supposed to be based on exec_prefix
+# by default will actually change.
+# Use braces instead of parens because sh, perl, etc. also accept them.
+# (The list follows the same order as the GNU Coding Standards.)
+bindir='${exec_prefix}/bin'
+sbindir='${exec_prefix}/sbin'
+libexecdir='${exec_prefix}/libexec'
+datarootdir='${prefix}/share'
+datadir='${datarootdir}'
+sysconfdir='${prefix}/etc'
+sharedstatedir='${prefix}/com'
+localstatedir='${prefix}/var'
+includedir='${prefix}/include'
+oldincludedir='/usr/include'
+docdir='${datarootdir}/doc/${PACKAGE_TARNAME}'
+infodir='${datarootdir}/info'
+htmldir='${docdir}'
+dvidir='${docdir}'
+pdfdir='${docdir}'
+psdir='${docdir}'
+libdir='${exec_prefix}/lib'
+localedir='${datarootdir}/locale'
+mandir='${datarootdir}/man'
+
+ac_prev=
+ac_dashdash=
+for ac_option
+do
+  # If the previous option needs an argument, assign it.
+  if test -n "$ac_prev"; then
+    eval $ac_prev=\$ac_option
+    ac_prev=
+    continue
+  fi
+
+  case $ac_option in
+  *=*)	ac_optarg=`expr "X$ac_option" : '[^=]*=\(.*\)'` ;;
+  *)	ac_optarg=yes ;;
+  esac
+
+  # Accept the important Cygnus configure options, so we can diagnose typos.
+
+  case $ac_dashdash$ac_option in
+  --)
+    ac_dashdash=yes ;;
+
+  -bindir | --bindir | --bindi | --bind | --bin | --bi)
+    ac_prev=bindir ;;
+  -bindir=* | --bindir=* | --bindi=* | --bind=* | --bin=* | --bi=*)
+    bindir=$ac_optarg ;;
+
+  -build | --build | --buil | --bui | --bu)
+    ac_prev=build_alias ;;
+  -build=* | --build=* | --buil=* | --bui=* | --bu=*)
+    build_alias=$ac_optarg ;;
+
+  -cache-file | --cache-file | --cache-fil | --cache-fi \
+  | --cache-f | --cache- | --cache | --cach | --cac | --ca | --c)
+    ac_prev=cache_file ;;
+  -cache-file=* | --cache-file=* | --cache-fil=* | --cache-fi=* \
+  | --cache-f=* | --cache-=* | --cache=* | --cach=* | --cac=* | --ca=* | --c=*)
+    cache_file=$ac_optarg ;;
+
+  --config-cache | -C)
+    cache_file=config.cache ;;
+
+  -datadir | --datadir | --datadi | --datad)
+    ac_prev=datadir ;;
+  -datadir=* | --datadir=* | --datadi=* | --datad=*)
+    datadir=$ac_optarg ;;
+
+  -datarootdir | --datarootdir | --datarootdi | --datarootd | --dataroot \
+  | --dataroo | --dataro | --datar)
+    ac_prev=datarootdir ;;
+  -datarootdir=* | --datarootdir=* | --datarootdi=* | --datarootd=* \
+  | --dataroot=* | --dataroo=* | --dataro=* | --datar=*)
+    datarootdir=$ac_optarg ;;
+
+  -disable-* | --disable-*)
+    ac_useropt=`expr "x$ac_option" : 'x-*disable-\(.*\)'`
+    # Reject names that are not valid shell variable names.
+    expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
+      as_fn_error "invalid feature name: $ac_useropt"
+    ac_useropt_orig=$ac_useropt
+    ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
+    case $ac_user_opts in
+      *"
+"enable_$ac_useropt"
+"*) ;;
+      *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--disable-$ac_useropt_orig"
+	 ac_unrecognized_sep=', ';;
+    esac
+    eval enable_$ac_useropt=no ;;
+
+  -docdir | --docdir | --docdi | --doc | --do)
+    ac_prev=docdir ;;
+  -docdir=* | --docdir=* | --docdi=* | --doc=* | --do=*)
+    docdir=$ac_optarg ;;
+
+  -dvidir | --dvidir | --dvidi | --dvid | --dvi | --dv)
+    ac_prev=dvidir ;;
+  -dvidir=* | --dvidir=* | --dvidi=* | --dvid=* | --dvi=* | --dv=*)
+    dvidir=$ac_optarg ;;
+
+  -enable-* | --enable-*)
+    ac_useropt=`expr "x$ac_option" : 'x-*enable-\([^=]*\)'`
+    # Reject names that are not valid shell variable names.
+    expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
+      as_fn_error "invalid feature name: $ac_useropt"
+    ac_useropt_orig=$ac_useropt
+    ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
+    case $ac_user_opts in
+      *"
+"enable_$ac_useropt"
+"*) ;;
+      *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--enable-$ac_useropt_orig"
+	 ac_unrecognized_sep=', ';;
+    esac
+    eval enable_$ac_useropt=\$ac_optarg ;;
+
+  -exec-prefix | --exec_prefix | --exec-prefix | --exec-prefi \
+  | --exec-pref | --exec-pre | --exec-pr | --exec-p | --exec- \
+  | --exec | --exe | --ex)
+    ac_prev=exec_prefix ;;
+  -exec-prefix=* | --exec_prefix=* | --exec-prefix=* | --exec-prefi=* \
+  | --exec-pref=* | --exec-pre=* | --exec-pr=* | --exec-p=* | --exec-=* \
+  | --exec=* | --exe=* | --ex=*)
+    exec_prefix=$ac_optarg ;;
+
+  -gas | --gas | --ga | --g)
+    # Obsolete; use --with-gas.
+    with_gas=yes ;;
+
+  -help | --help | --hel | --he | -h)
+    ac_init_help=long ;;
+  -help=r* | --help=r* | --hel=r* | --he=r* | -hr*)
+    ac_init_help=recursive ;;
+  -help=s* | --help=s* | --hel=s* | --he=s* | -hs*)
+    ac_init_help=short ;;
+
+  -host | --host | --hos | --ho)
+    ac_prev=host_alias ;;
+  -host=* | --host=* | --hos=* | --ho=*)
+    host_alias=$ac_optarg ;;
+
+  -htmldir | --htmldir | --htmldi | --htmld | --html | --htm | --ht)
+    ac_prev=htmldir ;;
+  -htmldir=* | --htmldir=* | --htmldi=* | --htmld=* | --html=* | --htm=* \
+  | --ht=*)
+    htmldir=$ac_optarg ;;
+
+  -includedir | --includedir | --includedi | --included | --include \
+  | --includ | --inclu | --incl | --inc)
+    ac_prev=includedir ;;
+  -includedir=* | --includedir=* | --includedi=* | --included=* | --include=* \
+  | --includ=* | --inclu=* | --incl=* | --inc=*)
+    includedir=$ac_optarg ;;
+
+  -infodir | --infodir | --infodi | --infod | --info | --inf)
+    ac_prev=infodir ;;
+  -infodir=* | --infodir=* | --infodi=* | --infod=* | --info=* | --inf=*)
+    infodir=$ac_optarg ;;
+
+  -libdir | --libdir | --libdi | --libd)
+    ac_prev=libdir ;;
+  -libdir=* | --libdir=* | --libdi=* | --libd=*)
+    libdir=$ac_optarg ;;
+
+  -libexecdir | --libexecdir | --libexecdi | --libexecd | --libexec \
+  | --libexe | --libex | --libe)
+    ac_prev=libexecdir ;;
+  -libexecdir=* | --libexecdir=* | --libexecdi=* | --libexecd=* | --libexec=* \
+  | --libexe=* | --libex=* | --libe=*)
+    libexecdir=$ac_optarg ;;
+
+  -localedir | --localedir | --localedi | --localed | --locale)
+    ac_prev=localedir ;;
+  -localedir=* | --localedir=* | --localedi=* | --localed=* | --locale=*)
+    localedir=$ac_optarg ;;
+
+  -localstatedir | --localstatedir | --localstatedi | --localstated \
+  | --localstate | --localstat | --localsta | --localst | --locals)
+    ac_prev=localstatedir ;;
+  -localstatedir=* | --localstatedir=* | --localstatedi=* | --localstated=* \
+  | --localstate=* | --localstat=* | --localsta=* | --localst=* | --locals=*)
+    localstatedir=$ac_optarg ;;
+
+  -mandir | --mandir | --mandi | --mand | --man | --ma | --m)
+    ac_prev=mandir ;;
+  -mandir=* | --mandir=* | --mandi=* | --mand=* | --man=* | --ma=* | --m=*)
+    mandir=$ac_optarg ;;
+
+  -nfp | --nfp | --nf)
+    # Obsolete; use --without-fp.
+    with_fp=no ;;
+
+  -no-create | --no-create | --no-creat | --no-crea | --no-cre \
+  | --no-cr | --no-c | -n)
+    no_create=yes ;;
+
+  -no-recursion | --no-recursion | --no-recursio | --no-recursi \
+  | --no-recurs | --no-recur | --no-recu | --no-rec | --no-re | --no-r)
+    no_recursion=yes ;;
+
+  -oldincludedir | --oldincludedir | --oldincludedi | --oldincluded \
+  | --oldinclude | --oldinclud | --oldinclu | --oldincl | --oldinc \
+  | --oldin | --oldi | --old | --ol | --o)
+    ac_prev=oldincludedir ;;
+  -oldincludedir=* | --oldincludedir=* | --oldincludedi=* | --oldincluded=* \
+  | --oldinclude=* | --oldinclud=* | --oldinclu=* | --oldincl=* | --oldinc=* \
+  | --oldin=* | --oldi=* | --old=* | --ol=* | --o=*)
+    oldincludedir=$ac_optarg ;;
+
+  -prefix | --prefix | --prefi | --pref | --pre | --pr | --p)
+    ac_prev=prefix ;;
+  -prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=* | --pr=* | --p=*)
+    prefix=$ac_optarg ;;
+
+  -program-prefix | --program-prefix | --program-prefi | --program-pref \
+  | --program-pre | --program-pr | --program-p)
+    ac_prev=program_prefix ;;
+  -program-prefix=* | --program-prefix=* | --program-prefi=* \
+  | --program-pref=* | --program-pre=* | --program-pr=* | --program-p=*)
+    program_prefix=$ac_optarg ;;
+
+  -program-suffix | --program-suffix | --program-suffi | --program-suff \
+  | --program-suf | --program-su | --program-s)
+    ac_prev=program_suffix ;;
+  -program-suffix=* | --program-suffix=* | --program-suffi=* \
+  | --program-suff=* | --program-suf=* | --program-su=* | --program-s=*)
+    program_suffix=$ac_optarg ;;
+
+  -program-transform-name | --program-transform-name \
+  | --program-transform-nam | --program-transform-na \
+  | --program-transform-n | --program-transform- \
+  | --program-transform | --program-transfor \
+  | --program-transfo | --program-transf \
+  | --program-trans | --program-tran \
+  | --progr-tra | --program-tr | --program-t)
+    ac_prev=program_transform_name ;;
+  -program-transform-name=* | --program-transform-name=* \
+  | --program-transform-nam=* | --program-transform-na=* \
+  | --program-transform-n=* | --program-transform-=* \
+  | --program-transform=* | --program-transfor=* \
+  | --program-transfo=* | --program-transf=* \
+  | --program-trans=* | --program-tran=* \
+  | --progr-tra=* | --program-tr=* | --program-t=*)
+    program_transform_name=$ac_optarg ;;
+
+  -pdfdir | --pdfdir | --pdfdi | --pdfd | --pdf | --pd)
+    ac_prev=pdfdir ;;
+  -pdfdir=* | --pdfdir=* | --pdfdi=* | --pdfd=* | --pdf=* | --pd=*)
+    pdfdir=$ac_optarg ;;
+
+  -psdir | --psdir | --psdi | --psd | --ps)
+    ac_prev=psdir ;;
+  -psdir=* | --psdir=* | --psdi=* | --psd=* | --ps=*)
+    psdir=$ac_optarg ;;
+
+  -q | -quiet | --quiet | --quie | --qui | --qu | --q \
+  | -silent | --silent | --silen | --sile | --sil)
+    silent=yes ;;
+
+  -sbindir | --sbindir | --sbindi | --sbind | --sbin | --sbi | --sb)
+    ac_prev=sbindir ;;
+  -sbindir=* | --sbindir=* | --sbindi=* | --sbind=* | --sbin=* \
+  | --sbi=* | --sb=*)
+    sbindir=$ac_optarg ;;
+
+  -sharedstatedir | --sharedstatedir | --sharedstatedi \
+  | --sharedstated | --sharedstate | --sharedstat | --sharedsta \
+  | --sharedst | --shareds | --shared | --share | --shar \
+  | --sha | --sh)
+    ac_prev=sharedstatedir ;;
+  -sharedstatedir=* | --sharedstatedir=* | --sharedstatedi=* \
+  | --sharedstated=* | --sharedstate=* | --sharedstat=* | --sharedsta=* \
+  | --sharedst=* | --shareds=* | --shared=* | --share=* | --shar=* \
+  | --sha=* | --sh=*)
+    sharedstatedir=$ac_optarg ;;
+
+  -site | --site | --sit)
+    ac_prev=site ;;
+  -site=* | --site=* | --sit=*)
+    site=$ac_optarg ;;
+
+  -srcdir | --srcdir | --srcdi | --srcd | --src | --sr)
+    ac_prev=srcdir ;;
+  -srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*)
+    srcdir=$ac_optarg ;;
+
+  -sysconfdir | --sysconfdir | --sysconfdi | --sysconfd | --sysconf \
+  | --syscon | --sysco | --sysc | --sys | --sy)
+    ac_prev=sysconfdir ;;
+  -sysconfdir=* | --sysconfdir=* | --sysconfdi=* | --sysconfd=* | --sysconf=* \
+  | --syscon=* | --sysco=* | --sysc=* | --sys=* | --sy=*)
+    sysconfdir=$ac_optarg ;;
+
+  -target | --target | --targe | --targ | --tar | --ta | --t)
+    ac_prev=target_alias ;;
+  -target=* | --target=* | --targe=* | --targ=* | --tar=* | --ta=* | --t=*)
+    target_alias=$ac_optarg ;;
+
+  -v | -verbose | --verbose | --verbos | --verbo | --verb)
+    verbose=yes ;;
+
+  -version | --version | --versio | --versi | --vers | -V)
+    ac_init_version=: ;;
+
+  -with-* | --with-*)
+    ac_useropt=`expr "x$ac_option" : 'x-*with-\([^=]*\)'`
+    # Reject names that are not valid shell variable names.
+    expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
+      as_fn_error "invalid package name: $ac_useropt"
+    ac_useropt_orig=$ac_useropt
+    ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
+    case $ac_user_opts in
+      *"
+"with_$ac_useropt"
+"*) ;;
+      *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--with-$ac_useropt_orig"
+	 ac_unrecognized_sep=', ';;
+    esac
+    eval with_$ac_useropt=\$ac_optarg ;;
+
+  -without-* | --without-*)
+    ac_useropt=`expr "x$ac_option" : 'x-*without-\(.*\)'`
+    # Reject names that are not valid shell variable names.
+    expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
+      as_fn_error "invalid package name: $ac_useropt"
+    ac_useropt_orig=$ac_useropt
+    ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
+    case $ac_user_opts in
+      *"
+"with_$ac_useropt"
+"*) ;;
+      *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--without-$ac_useropt_orig"
+	 ac_unrecognized_sep=', ';;
+    esac
+    eval with_$ac_useropt=no ;;
+
+  --x)
+    # Obsolete; use --with-x.
+    with_x=yes ;;
+
+  -x-includes | --x-includes | --x-include | --x-includ | --x-inclu \
+  | --x-incl | --x-inc | --x-in | --x-i)
+    ac_prev=x_includes ;;
+  -x-includes=* | --x-includes=* | --x-include=* | --x-includ=* | --x-inclu=* \
+  | --x-incl=* | --x-inc=* | --x-in=* | --x-i=*)
+    x_includes=$ac_optarg ;;
+
+  -x-libraries | --x-libraries | --x-librarie | --x-librari \
+  | --x-librar | --x-libra | --x-libr | --x-lib | --x-li | --x-l)
+    ac_prev=x_libraries ;;
+  -x-libraries=* | --x-libraries=* | --x-librarie=* | --x-librari=* \
+  | --x-librar=* | --x-libra=* | --x-libr=* | --x-lib=* | --x-li=* | --x-l=*)
+    x_libraries=$ac_optarg ;;
+
+  -*) as_fn_error "unrecognized option: \`$ac_option'
+Try \`$0 --help' for more information."
+    ;;
+
+  *=*)
+    ac_envvar=`expr "x$ac_option" : 'x\([^=]*\)='`
+    # Reject names that are not valid shell variable names.
+    case $ac_envvar in #(
+      '' | [0-9]* | *[!_$as_cr_alnum]* )
+      as_fn_error "invalid variable name: \`$ac_envvar'" ;;
+    esac
+    eval $ac_envvar=\$ac_optarg
+    export $ac_envvar ;;
+
+  *)
+    # FIXME: should be removed in autoconf 3.0.
+    $as_echo "$as_me: WARNING: you should use --build, --host, --target" >&2
+    expr "x$ac_option" : ".*[^-._$as_cr_alnum]" >/dev/null &&
+      $as_echo "$as_me: WARNING: invalid host type: $ac_option" >&2
+    : ${build_alias=$ac_option} ${host_alias=$ac_option} ${target_alias=$ac_option}
+    ;;
+
+  esac
+done
+
+if test -n "$ac_prev"; then
+  ac_option=--`echo $ac_prev | sed 's/_/-/g'`
+  as_fn_error "missing argument to $ac_option"
+fi
+
+if test -n "$ac_unrecognized_opts"; then
+  case $enable_option_checking in
+    no) ;;
+    fatal) as_fn_error "unrecognized options: $ac_unrecognized_opts" ;;
+    *)     $as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2 ;;
+  esac
+fi
+
+# Check all directory arguments for consistency.
+for ac_var in	exec_prefix prefix bindir sbindir libexecdir datarootdir \
+		datadir sysconfdir sharedstatedir localstatedir includedir \
+		oldincludedir docdir infodir htmldir dvidir pdfdir psdir \
+		libdir localedir mandir
+do
+  eval ac_val=\$$ac_var
+  # Remove trailing slashes.
+  case $ac_val in
+    */ )
+      ac_val=`expr "X$ac_val" : 'X\(.*[^/]\)' \| "X$ac_val" : 'X\(.*\)'`
+      eval $ac_var=\$ac_val;;
+  esac
+  # Be sure to have absolute directory names.
+  case $ac_val in
+    [\\/$]* | ?:[\\/]* )  continue;;
+    NONE | '' ) case $ac_var in *prefix ) continue;; esac;;
+  esac
+  as_fn_error "expected an absolute directory name for --$ac_var: $ac_val"
+done
+
+# There might be people who depend on the old broken behavior: `$host'
+# used to hold the argument of --host etc.
+# FIXME: To remove some day.
+build=$build_alias
+host=$host_alias
+target=$target_alias
+
+# FIXME: To remove some day.
+if test "x$host_alias" != x; then
+  if test "x$build_alias" = x; then
+    cross_compiling=maybe
+    $as_echo "$as_me: WARNING: If you wanted to set the --build type, don't use --host.
+    If a cross compiler is detected then cross compile mode will be used." >&2
+  elif test "x$build_alias" != "x$host_alias"; then
+    cross_compiling=yes
+  fi
+fi
+
+ac_tool_prefix=
+test -n "$host_alias" && ac_tool_prefix=$host_alias-
+
+test "$silent" = yes && exec 6>/dev/null
+
+
+ac_pwd=`pwd` && test -n "$ac_pwd" &&
+ac_ls_di=`ls -di .` &&
+ac_pwd_ls_di=`cd "$ac_pwd" && ls -di .` ||
+  as_fn_error "working directory cannot be determined"
+test "X$ac_ls_di" = "X$ac_pwd_ls_di" ||
+  as_fn_error "pwd does not report name of working directory"
+
+
+# Find the source files, if location was not specified.
+if test -z "$srcdir"; then
+  ac_srcdir_defaulted=yes
+  # Try the directory containing this script, then the parent directory.
+  ac_confdir=`$as_dirname -- "$as_myself" ||
+$as_expr X"$as_myself" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+	 X"$as_myself" : 'X\(//\)[^/]' \| \
+	 X"$as_myself" : 'X\(//\)$' \| \
+	 X"$as_myself" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X"$as_myself" |
+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)[^/].*/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+  srcdir=$ac_confdir
+  if test ! -r "$srcdir/$ac_unique_file"; then
+    srcdir=..
+  fi
+else
+  ac_srcdir_defaulted=no
+fi
+if test ! -r "$srcdir/$ac_unique_file"; then
+  test "$ac_srcdir_defaulted" = yes && srcdir="$ac_confdir or .."
+  as_fn_error "cannot find sources ($ac_unique_file) in $srcdir"
+fi
+ac_msg="sources are in $srcdir, but \`cd $srcdir' does not work"
+ac_abs_confdir=`(
+	cd "$srcdir" && test -r "./$ac_unique_file" || as_fn_error "$ac_msg"
+	pwd)`
+# When building in place, set srcdir=.
+if test "$ac_abs_confdir" = "$ac_pwd"; then
+  srcdir=.
+fi
+# Remove unnecessary trailing slashes from srcdir.
+# Double slashes in file names in object file debugging info
+# mess up M-x gdb in Emacs.
+case $srcdir in
+*/) srcdir=`expr "X$srcdir" : 'X\(.*[^/]\)' \| "X$srcdir" : 'X\(.*\)'`;;
+esac
+for ac_var in $ac_precious_vars; do
+  eval ac_env_${ac_var}_set=\${${ac_var}+set}
+  eval ac_env_${ac_var}_value=\$${ac_var}
+  eval ac_cv_env_${ac_var}_set=\${${ac_var}+set}
+  eval ac_cv_env_${ac_var}_value=\$${ac_var}
+done
+
+#
+# Report the --help message.
+#
+if test "$ac_init_help" = "long"; then
+  # Omit some internal or obsolete options to make the list less imposing.
+  # This message is too long to be a string in the A/UX 3.1 sh.
+  cat <<_ACEOF
+\`configure' configures FbTerm 1.7 to adapt to many kinds of systems.
+
+Usage: $0 [OPTION]... [VAR=VALUE]...
+
+To assign environment variables (e.g., CC, CFLAGS...), specify them as
+VAR=VALUE.  See below for descriptions of some of the useful variables.
+
+Defaults for the options are specified in brackets.
+
+Configuration:
+  -h, --help              display this help and exit
+      --help=short        display options specific to this package
+      --help=recursive    display the short help of all the included packages
+  -V, --version           display version information and exit
+  -q, --quiet, --silent   do not print \`checking...' messages
+      --cache-file=FILE   cache test results in FILE [disabled]
+  -C, --config-cache      alias for \`--cache-file=config.cache'
+  -n, --no-create         do not create output files
+      --srcdir=DIR        find the sources in DIR [configure dir or \`..']
+
+Installation directories:
+  --prefix=PREFIX         install architecture-independent files in PREFIX
+                          [$ac_default_prefix]
+  --exec-prefix=EPREFIX   install architecture-dependent files in EPREFIX
+                          [PREFIX]
+
+By default, \`make install' will install all the files in
+\`$ac_default_prefix/bin', \`$ac_default_prefix/lib' etc.  You can specify
+an installation prefix other than \`$ac_default_prefix' using \`--prefix',
+for instance \`--prefix=\$HOME'.
+
+For better control, use the options below.
+
+Fine tuning of the installation directories:
+  --bindir=DIR            user executables [EPREFIX/bin]
+  --sbindir=DIR           system admin executables [EPREFIX/sbin]
+  --libexecdir=DIR        program executables [EPREFIX/libexec]
+  --sysconfdir=DIR        read-only single-machine data [PREFIX/etc]
+  --sharedstatedir=DIR    modifiable architecture-independent data [PREFIX/com]
+  --localstatedir=DIR     modifiable single-machine data [PREFIX/var]
+  --libdir=DIR            object code libraries [EPREFIX/lib]
+  --includedir=DIR        C header files [PREFIX/include]
+  --oldincludedir=DIR     C header files for non-gcc [/usr/include]
+  --datarootdir=DIR       read-only arch.-independent data root [PREFIX/share]
+  --datadir=DIR           read-only architecture-independent data [DATAROOTDIR]
+  --infodir=DIR           info documentation [DATAROOTDIR/info]
+  --localedir=DIR         locale-dependent data [DATAROOTDIR/locale]
+  --mandir=DIR            man documentation [DATAROOTDIR/man]
+  --docdir=DIR            documentation root [DATAROOTDIR/doc/fbterm]
+  --htmldir=DIR           html documentation [DOCDIR]
+  --dvidir=DIR            dvi documentation [DOCDIR]
+  --pdfdir=DIR            pdf documentation [DOCDIR]
+  --psdir=DIR             ps documentation [DOCDIR]
+_ACEOF
+
+  cat <<\_ACEOF
+
+Program names:
+  --program-prefix=PREFIX            prepend PREFIX to installed program names
+  --program-suffix=SUFFIX            append SUFFIX to installed program names
+  --program-transform-name=PROGRAM   run sed PROGRAM on installed program names
+_ACEOF
+fi
+
+if test -n "$ac_init_help"; then
+  case $ac_init_help in
+     short | recursive ) echo "Configuration of FbTerm 1.7:";;
+   esac
+  cat <<\_ACEOF
+
+Optional Features:
+  --disable-option-checking  ignore unrecognized --enable/--with options
+  --disable-FEATURE       do not include FEATURE (same as --enable-FEATURE=no)
+  --enable-FEATURE[=ARG]  include FEATURE [ARG=yes]
+  --disable-dependency-tracking  speeds up one-time build
+  --enable-dependency-tracking   do not reject slow dependency extractors
+  --disable-gpm           disable gpm mouse support [[default=auto]]
+  --disable-vesa          disable VESA video card support [[default=auto]]
+  --disable-epoll         do not use epoll system call [[default=auto]]
+  --disable-signalfd      do not use signalfd system call [[default=auto]]
+
+Some influential environment variables:
+  CXX         C++ compiler command
+  CXXFLAGS    C++ compiler flags
+  LDFLAGS     linker flags, e.g. -L<lib dir> if you have libraries in a
+              nonstandard directory <lib dir>
+  LIBS        libraries to pass to the linker, e.g. -l<library>
+  CPPFLAGS    (Objective) C/C++ preprocessor flags, e.g. -I<include dir> if
+              you have headers in a nonstandard directory <include dir>
+  CC          C compiler command
+  CFLAGS      C compiler flags
+  PKG_CONFIG  path to pkg-config utility
+  FT2_CFLAGS  C compiler flags for FT2, overriding pkg-config
+  FT2_LIBS    linker flags for FT2, overriding pkg-config
+  FC_CFLAGS   C compiler flags for FC, overriding pkg-config
+  FC_LIBS     linker flags for FC, overriding pkg-config
+  CPP         C preprocessor
+
+Use these variables to override the choices made by `configure' or to help
+it to find libraries and programs with nonstandard names/locations.
+
+Report bugs to the package provider.
+_ACEOF
+ac_status=$?
+fi
+
+if test "$ac_init_help" = "recursive"; then
+  # If there are subdirs, report their specific --help.
+  for ac_dir in : $ac_subdirs_all; do test "x$ac_dir" = x: && continue
+    test -d "$ac_dir" ||
+      { cd "$srcdir" && ac_pwd=`pwd` && srcdir=. && test -d "$ac_dir"; } ||
+      continue
+    ac_builddir=.
+
+case "$ac_dir" in
+.) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;;
+*)
+  ac_dir_suffix=/`$as_echo "$ac_dir" | sed 's|^\.[\\/]||'`
+  # A ".." for each directory in $ac_dir_suffix.
+  ac_top_builddir_sub=`$as_echo "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'`
+  case $ac_top_builddir_sub in
+  "") ac_top_builddir_sub=. ac_top_build_prefix= ;;
+  *)  ac_top_build_prefix=$ac_top_builddir_sub/ ;;
+  esac ;;
+esac
+ac_abs_top_builddir=$ac_pwd
+ac_abs_builddir=$ac_pwd$ac_dir_suffix
+# for backward compatibility:
+ac_top_builddir=$ac_top_build_prefix
+
+case $srcdir in
+  .)  # We are building in place.
+    ac_srcdir=.
+    ac_top_srcdir=$ac_top_builddir_sub
+    ac_abs_top_srcdir=$ac_pwd ;;
+  [\\/]* | ?:[\\/]* )  # Absolute name.
+    ac_srcdir=$srcdir$ac_dir_suffix;
+    ac_top_srcdir=$srcdir
+    ac_abs_top_srcdir=$srcdir ;;
+  *) # Relative name.
+    ac_srcdir=$ac_top_build_prefix$srcdir$ac_dir_suffix
+    ac_top_srcdir=$ac_top_build_prefix$srcdir
+    ac_abs_top_srcdir=$ac_pwd/$srcdir ;;
+esac
+ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix
+
+    cd "$ac_dir" || { ac_status=$?; continue; }
+    # Check for guested configure.
+    if test -f "$ac_srcdir/configure.gnu"; then
+      echo &&
+      $SHELL "$ac_srcdir/configure.gnu" --help=recursive
+    elif test -f "$ac_srcdir/configure"; then
+      echo &&
+      $SHELL "$ac_srcdir/configure" --help=recursive
+    else
+      $as_echo "$as_me: WARNING: no configuration information is in $ac_dir" >&2
+    fi || ac_status=$?
+    cd "$ac_pwd" || { ac_status=$?; break; }
+  done
+fi
+
+test -n "$ac_init_help" && exit $ac_status
+if $ac_init_version; then
+  cat <<\_ACEOF
+FbTerm configure 1.7
+generated by GNU Autoconf 2.65
+
+Copyright (C) 2009 Free Software Foundation, Inc.
+This configure script is free software; the Free Software Foundation
+gives unlimited permission to copy, distribute and modify it.
+_ACEOF
+  exit
+fi
+
+## ------------------------ ##
+## Autoconf initialization. ##
+## ------------------------ ##
+
+# ac_fn_cxx_try_compile LINENO
+# ----------------------------
+# Try to compile conftest.$ac_ext, and return whether this succeeded.
+ac_fn_cxx_try_compile ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  rm -f conftest.$ac_objext
+  if { { ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_compile") 2>conftest.err
+  ac_status=$?
+  if test -s conftest.err; then
+    grep -v '^ *+' conftest.err >conftest.er1
+    cat conftest.er1 >&5
+    mv -f conftest.er1 conftest.err
+  fi
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } && {
+	 test -z "$ac_cxx_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then :
+  ac_retval=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_retval=1
+fi
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  as_fn_set_status $ac_retval
+
+} # ac_fn_cxx_try_compile
+
+# ac_fn_c_try_compile LINENO
+# --------------------------
+# Try to compile conftest.$ac_ext, and return whether this succeeded.
+ac_fn_c_try_compile ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  rm -f conftest.$ac_objext
+  if { { ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_compile") 2>conftest.err
+  ac_status=$?
+  if test -s conftest.err; then
+    grep -v '^ *+' conftest.err >conftest.er1
+    cat conftest.er1 >&5
+    mv -f conftest.er1 conftest.err
+  fi
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then :
+  ac_retval=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_retval=1
+fi
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  as_fn_set_status $ac_retval
+
+} # ac_fn_c_try_compile
+
+# ac_fn_c_try_link LINENO
+# -----------------------
+# Try to link conftest.$ac_ext, and return whether this succeeded.
+ac_fn_c_try_link ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  rm -f conftest.$ac_objext conftest$ac_exeext
+  if { { ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_link") 2>conftest.err
+  ac_status=$?
+  if test -s conftest.err; then
+    grep -v '^ *+' conftest.err >conftest.er1
+    cat conftest.er1 >&5
+    mv -f conftest.er1 conftest.err
+  fi
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then :
+  ac_retval=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_retval=1
+fi
+  # Delete the IPA/IPO (Inter Procedural Analysis/Optimization) information
+  # created by the PGI compiler (conftest_ipa8_conftest.oo), as it would
+  # interfere with the next link command; also delete a directory that is
+  # left behind by Apple's compiler.  We do this before executing the actions.
+  rm -rf conftest.dSYM conftest_ipa8_conftest.oo
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  as_fn_set_status $ac_retval
+
+} # ac_fn_c_try_link
+
+# ac_fn_c_try_cpp LINENO
+# ----------------------
+# Try to preprocess conftest.$ac_ext, and return whether this succeeded.
+ac_fn_c_try_cpp ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  if { { ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.err
+  ac_status=$?
+  if test -s conftest.err; then
+    grep -v '^ *+' conftest.err >conftest.er1
+    cat conftest.er1 >&5
+    mv -f conftest.er1 conftest.err
+  fi
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then :
+  ac_retval=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+    ac_retval=1
+fi
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  as_fn_set_status $ac_retval
+
+} # ac_fn_c_try_cpp
+
+# ac_fn_c_try_run LINENO
+# ----------------------
+# Try to link conftest.$ac_ext, and return whether this succeeded. Assumes
+# that executables *can* be run.
+ac_fn_c_try_run ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  if { { ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_link") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } && { ac_try='./conftest$ac_exeext'
+  { { case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; }; then :
+  ac_retval=0
+else
+  $as_echo "$as_me: program exited with status $ac_status" >&5
+       $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+       ac_retval=$ac_status
+fi
+  rm -rf conftest.dSYM conftest_ipa8_conftest.oo
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  as_fn_set_status $ac_retval
+
+} # ac_fn_c_try_run
+
+# ac_fn_c_check_header_mongrel LINENO HEADER VAR INCLUDES
+# -------------------------------------------------------
+# Tests whether HEADER exists, giving a warning if it cannot be compiled using
+# the include files in INCLUDES and setting the cache variable VAR
+# accordingly.
+ac_fn_c_check_header_mongrel ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+$as_echo_n "checking for $2... " >&6; }
+if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
+  $as_echo_n "(cached) " >&6
+fi
+eval ac_res=\$$3
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+else
+  # Is the header compilable?
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking $2 usability" >&5
+$as_echo_n "checking $2 usability... " >&6; }
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$4
+#include <$2>
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_header_compiler=yes
+else
+  ac_header_compiler=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_header_compiler" >&5
+$as_echo "$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking $2 presence" >&5
+$as_echo_n "checking $2 presence... " >&6; }
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <$2>
+_ACEOF
+if ac_fn_c_try_cpp "$LINENO"; then :
+  ac_header_preproc=yes
+else
+  ac_header_preproc=no
+fi
+rm -f conftest.err conftest.$ac_ext
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_header_preproc" >&5
+$as_echo "$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in #((
+  yes:no: )
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: accepted by the compiler, rejected by the preprocessor!" >&5
+$as_echo "$as_me: WARNING: $2: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: proceeding with the compiler's result" >&5
+$as_echo "$as_me: WARNING: $2: proceeding with the compiler's result" >&2;}
+    ;;
+  no:yes:* )
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: present but cannot be compiled" >&5
+$as_echo "$as_me: WARNING: $2: present but cannot be compiled" >&2;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2:     check for missing prerequisite headers?" >&5
+$as_echo "$as_me: WARNING: $2:     check for missing prerequisite headers?" >&2;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: see the Autoconf documentation" >&5
+$as_echo "$as_me: WARNING: $2: see the Autoconf documentation" >&2;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2:     section \"Present But Cannot Be Compiled\"" >&5
+$as_echo "$as_me: WARNING: $2:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: proceeding with the compiler's result" >&5
+$as_echo "$as_me: WARNING: $2: proceeding with the compiler's result" >&2;}
+    ;;
+esac
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+$as_echo_n "checking for $2... " >&6; }
+if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
+  $as_echo_n "(cached) " >&6
+else
+  eval "$3=\$ac_header_compiler"
+fi
+eval ac_res=\$$3
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+fi
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+
+} # ac_fn_c_check_header_mongrel
+
+# ac_fn_c_check_header_compile LINENO HEADER VAR INCLUDES
+# -------------------------------------------------------
+# Tests whether HEADER exists and can be compiled using the include files in
+# INCLUDES, setting the cache variable VAR accordingly.
+ac_fn_c_check_header_compile ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+$as_echo_n "checking for $2... " >&6; }
+if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$4
+#include <$2>
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  eval "$3=yes"
+else
+  eval "$3=no"
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+eval ac_res=\$$3
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+
+} # ac_fn_c_check_header_compile
+
+# ac_fn_c_check_type LINENO TYPE VAR INCLUDES
+# -------------------------------------------
+# Tests whether TYPE exists after having included INCLUDES, setting cache
+# variable VAR accordingly.
+ac_fn_c_check_type ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+$as_echo_n "checking for $2... " >&6; }
+if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
+  $as_echo_n "(cached) " >&6
+else
+  eval "$3=no"
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$4
+int
+main ()
+{
+if (sizeof ($2))
+	 return 0;
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$4
+int
+main ()
+{
+if (sizeof (($2)))
+	    return 0;
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+else
+  eval "$3=yes"
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+eval ac_res=\$$3
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+
+} # ac_fn_c_check_type
+
+# ac_fn_c_check_func LINENO FUNC VAR
+# ----------------------------------
+# Tests whether FUNC exists, setting the cache variable VAR accordingly
+ac_fn_c_check_func ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+$as_echo_n "checking for $2... " >&6; }
+if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+/* Define $2 to an innocuous variant, in case <limits.h> declares $2.
+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
+#define $2 innocuous_$2
+
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char $2 (); below.
+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+    <limits.h> exists even on freestanding compilers.  */
+
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+
+#undef $2
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char $2 ();
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined __stub_$2 || defined __stub___$2
+choke me
+#endif
+
+int
+main ()
+{
+return $2 ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  eval "$3=yes"
+else
+  eval "$3=no"
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+fi
+eval ac_res=\$$3
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+
+} # ac_fn_c_check_func
+cat >config.log <<_ACEOF
+This file contains any messages produced by compilers while
+running configure, to aid debugging if configure makes a mistake.
+
+It was created by FbTerm $as_me 1.7, which was
+generated by GNU Autoconf 2.65.  Invocation command line was
+
+  $ $0 $@
+
+_ACEOF
+exec 5>>config.log
+{
+cat <<_ASUNAME
+## --------- ##
+## Platform. ##
+## --------- ##
+
+hostname = `(hostname || uname -n) 2>/dev/null | sed 1q`
+uname -m = `(uname -m) 2>/dev/null || echo unknown`
+uname -r = `(uname -r) 2>/dev/null || echo unknown`
+uname -s = `(uname -s) 2>/dev/null || echo unknown`
+uname -v = `(uname -v) 2>/dev/null || echo unknown`
+
+/usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null || echo unknown`
+/bin/uname -X     = `(/bin/uname -X) 2>/dev/null     || echo unknown`
+
+/bin/arch              = `(/bin/arch) 2>/dev/null              || echo unknown`
+/usr/bin/arch -k       = `(/usr/bin/arch -k) 2>/dev/null       || echo unknown`
+/usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null || echo unknown`
+/usr/bin/hostinfo      = `(/usr/bin/hostinfo) 2>/dev/null      || echo unknown`
+/bin/machine           = `(/bin/machine) 2>/dev/null           || echo unknown`
+/usr/bin/oslevel       = `(/usr/bin/oslevel) 2>/dev/null       || echo unknown`
+/bin/universe          = `(/bin/universe) 2>/dev/null          || echo unknown`
+
+_ASUNAME
+
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    $as_echo "PATH: $as_dir"
+  done
+IFS=$as_save_IFS
+
+} >&5
+
+cat >&5 <<_ACEOF
+
+
+## ----------- ##
+## Core tests. ##
+## ----------- ##
+
+_ACEOF
+
+
+# Keep a trace of the command line.
+# Strip out --no-create and --no-recursion so they do not pile up.
+# Strip out --silent because we don't want to record it for future runs.
+# Also quote any args containing shell meta-characters.
+# Make two passes to allow for proper duplicate-argument suppression.
+ac_configure_args=
+ac_configure_args0=
+ac_configure_args1=
+ac_must_keep_next=false
+for ac_pass in 1 2
+do
+  for ac_arg
+  do
+    case $ac_arg in
+    -no-create | --no-c* | -n | -no-recursion | --no-r*) continue ;;
+    -q | -quiet | --quiet | --quie | --qui | --qu | --q \
+    | -silent | --silent | --silen | --sile | --sil)
+      continue ;;
+    *\'*)
+      ac_arg=`$as_echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
+    esac
+    case $ac_pass in
+    1) as_fn_append ac_configure_args0 " '$ac_arg'" ;;
+    2)
+      as_fn_append ac_configure_args1 " '$ac_arg'"
+      if test $ac_must_keep_next = true; then
+	ac_must_keep_next=false # Got value, back to normal.
+      else
+	case $ac_arg in
+	  *=* | --config-cache | -C | -disable-* | --disable-* \
+	  | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
+	  | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
+	  | -with-* | --with-* | -without-* | --without-* | --x)
+	    case "$ac_configure_args0 " in
+	      "$ac_configure_args1"*" '$ac_arg' "* ) continue ;;
+	    esac
+	    ;;
+	  -* ) ac_must_keep_next=true ;;
+	esac
+      fi
+      as_fn_append ac_configure_args " '$ac_arg'"
+      ;;
+    esac
+  done
+done
+{ ac_configure_args0=; unset ac_configure_args0;}
+{ ac_configure_args1=; unset ac_configure_args1;}
+
+# When interrupted or exit'd, cleanup temporary files, and complete
+# config.log.  We remove comments because anyway the quotes in there
+# would cause problems or look ugly.
+# WARNING: Use '\'' to represent an apostrophe within the trap.
+# WARNING: Do not start the trap code with a newline, due to a FreeBSD 4.0 bug.
+trap 'exit_status=$?
+  # Save into config.log some information that might help in debugging.
+  {
+    echo
+
+    cat <<\_ASBOX
+## ---------------- ##
+## Cache variables. ##
+## ---------------- ##
+_ASBOX
+    echo
+    # The following way of writing the cache mishandles newlines in values,
+(
+  for ac_var in `(set) 2>&1 | sed -n '\''s/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'\''`; do
+    eval ac_val=\$$ac_var
+    case $ac_val in #(
+    *${as_nl}*)
+      case $ac_var in #(
+      *_cv_*) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5
+$as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
+      esac
+      case $ac_var in #(
+      _ | IFS | as_nl) ;; #(
+      BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #(
+      *) { eval $ac_var=; unset $ac_var;} ;;
+      esac ;;
+    esac
+  done
+  (set) 2>&1 |
+    case $as_nl`(ac_space='\'' '\''; set) 2>&1` in #(
+    *${as_nl}ac_space=\ *)
+      sed -n \
+	"s/'\''/'\''\\\\'\'''\''/g;
+	  s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\''\\2'\''/p"
+      ;; #(
+    *)
+      sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p"
+      ;;
+    esac |
+    sort
+)
+    echo
+
+    cat <<\_ASBOX
+## ----------------- ##
+## Output variables. ##
+## ----------------- ##
+_ASBOX
+    echo
+    for ac_var in $ac_subst_vars
+    do
+      eval ac_val=\$$ac_var
+      case $ac_val in
+      *\'\''*) ac_val=`$as_echo "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;;
+      esac
+      $as_echo "$ac_var='\''$ac_val'\''"
+    done | sort
+    echo
+
+    if test -n "$ac_subst_files"; then
+      cat <<\_ASBOX
+## ------------------- ##
+## File substitutions. ##
+## ------------------- ##
+_ASBOX
+      echo
+      for ac_var in $ac_subst_files
+      do
+	eval ac_val=\$$ac_var
+	case $ac_val in
+	*\'\''*) ac_val=`$as_echo "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;;
+	esac
+	$as_echo "$ac_var='\''$ac_val'\''"
+      done | sort
+      echo
+    fi
+
+    if test -s confdefs.h; then
+      cat <<\_ASBOX
+## ----------- ##
+## confdefs.h. ##
+## ----------- ##
+_ASBOX
+      echo
+      cat confdefs.h
+      echo
+    fi
+    test "$ac_signal" != 0 &&
+      $as_echo "$as_me: caught signal $ac_signal"
+    $as_echo "$as_me: exit $exit_status"
+  } >&5
+  rm -f core *.core core.conftest.* &&
+    rm -f -r conftest* confdefs* conf$$* $ac_clean_files &&
+    exit $exit_status
+' 0
+for ac_signal in 1 2 13 15; do
+  trap 'ac_signal='$ac_signal'; as_fn_exit 1' $ac_signal
+done
+ac_signal=0
+
+# confdefs.h avoids OS command line length limits that DEFS can exceed.
+rm -f -r conftest* confdefs.h
+
+$as_echo "/* confdefs.h */" > confdefs.h
+
+# Predefined preprocessor variables.
+
+cat >>confdefs.h <<_ACEOF
+#define PACKAGE_NAME "$PACKAGE_NAME"
+_ACEOF
+
+cat >>confdefs.h <<_ACEOF
+#define PACKAGE_TARNAME "$PACKAGE_TARNAME"
+_ACEOF
+
+cat >>confdefs.h <<_ACEOF
+#define PACKAGE_VERSION "$PACKAGE_VERSION"
+_ACEOF
+
+cat >>confdefs.h <<_ACEOF
+#define PACKAGE_STRING "$PACKAGE_STRING"
+_ACEOF
+
+cat >>confdefs.h <<_ACEOF
+#define PACKAGE_BUGREPORT "$PACKAGE_BUGREPORT"
+_ACEOF
+
+cat >>confdefs.h <<_ACEOF
+#define PACKAGE_URL "$PACKAGE_URL"
+_ACEOF
+
+
+# Let the site file select an alternate cache file if it wants to.
+# Prefer an explicitly selected file to automatically selected ones.
+ac_site_file1=NONE
+ac_site_file2=NONE
+if test -n "$CONFIG_SITE"; then
+  ac_site_file1=$CONFIG_SITE
+elif test "x$prefix" != xNONE; then
+  ac_site_file1=$prefix/share/config.site
+  ac_site_file2=$prefix/etc/config.site
+else
+  ac_site_file1=$ac_default_prefix/share/config.site
+  ac_site_file2=$ac_default_prefix/etc/config.site
+fi
+for ac_site_file in "$ac_site_file1" "$ac_site_file2"
+do
+  test "x$ac_site_file" = xNONE && continue
+  if test /dev/null != "$ac_site_file" && test -r "$ac_site_file"; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: loading site script $ac_site_file" >&5
+$as_echo "$as_me: loading site script $ac_site_file" >&6;}
+    sed 's/^/| /' "$ac_site_file" >&5
+    . "$ac_site_file"
+  fi
+done
+
+if test -r "$cache_file"; then
+  # Some versions of bash will fail to source /dev/null (special files
+  # actually), so we avoid doing that.  DJGPP emulates it as a regular file.
+  if test /dev/null != "$cache_file" && test -f "$cache_file"; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: loading cache $cache_file" >&5
+$as_echo "$as_me: loading cache $cache_file" >&6;}
+    case $cache_file in
+      [\\/]* | ?:[\\/]* ) . "$cache_file";;
+      *)                      . "./$cache_file";;
+    esac
+  fi
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: creating cache $cache_file" >&5
+$as_echo "$as_me: creating cache $cache_file" >&6;}
+  >$cache_file
+fi
+
+as_fn_append ac_header_list " stdlib.h"
+as_fn_append ac_header_list " unistd.h"
+as_fn_append ac_header_list " sys/param.h"
+# Check that the precious variables saved in the cache have kept the same
+# value.
+ac_cache_corrupted=false
+for ac_var in $ac_precious_vars; do
+  eval ac_old_set=\$ac_cv_env_${ac_var}_set
+  eval ac_new_set=\$ac_env_${ac_var}_set
+  eval ac_old_val=\$ac_cv_env_${ac_var}_value
+  eval ac_new_val=\$ac_env_${ac_var}_value
+  case $ac_old_set,$ac_new_set in
+    set,)
+      { $as_echo "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5
+$as_echo "$as_me: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&2;}
+      ac_cache_corrupted=: ;;
+    ,set)
+      { $as_echo "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was not set in the previous run" >&5
+$as_echo "$as_me: error: \`$ac_var' was not set in the previous run" >&2;}
+      ac_cache_corrupted=: ;;
+    ,);;
+    *)
+      if test "x$ac_old_val" != "x$ac_new_val"; then
+	# differences in whitespace do not lead to failure.
+	ac_old_val_w=`echo x $ac_old_val`
+	ac_new_val_w=`echo x $ac_new_val`
+	if test "$ac_old_val_w" != "$ac_new_val_w"; then
+	  { $as_echo "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' has changed since the previous run:" >&5
+$as_echo "$as_me: error: \`$ac_var' has changed since the previous run:" >&2;}
+	  ac_cache_corrupted=:
+	else
+	  { $as_echo "$as_me:${as_lineno-$LINENO}: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&5
+$as_echo "$as_me: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&2;}
+	  eval $ac_var=\$ac_old_val
+	fi
+	{ $as_echo "$as_me:${as_lineno-$LINENO}:   former value:  \`$ac_old_val'" >&5
+$as_echo "$as_me:   former value:  \`$ac_old_val'" >&2;}
+	{ $as_echo "$as_me:${as_lineno-$LINENO}:   current value: \`$ac_new_val'" >&5
+$as_echo "$as_me:   current value: \`$ac_new_val'" >&2;}
+      fi;;
+  esac
+  # Pass precious variables to config.status.
+  if test "$ac_new_set" = set; then
+    case $ac_new_val in
+    *\'*) ac_arg=$ac_var=`$as_echo "$ac_new_val" | sed "s/'/'\\\\\\\\''/g"` ;;
+    *) ac_arg=$ac_var=$ac_new_val ;;
+    esac
+    case " $ac_configure_args " in
+      *" '$ac_arg' "*) ;; # Avoid dups.  Use of quotes ensures accuracy.
+      *) as_fn_append ac_configure_args " '$ac_arg'" ;;
+    esac
+  fi
+done
+if $ac_cache_corrupted; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+  { $as_echo "$as_me:${as_lineno-$LINENO}: error: changes in the environment can compromise the build" >&5
+$as_echo "$as_me: error: changes in the environment can compromise the build" >&2;}
+  as_fn_error "run \`make distclean' and/or \`rm $cache_file' and start over" "$LINENO" 5
+fi
+## -------------------- ##
+## Main body of script. ##
+## -------------------- ##
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+
+am__api_version='1.11'
+
+ac_aux_dir=
+for ac_dir in "$srcdir" "$srcdir/.." "$srcdir/../.."; do
+  for ac_t in install-sh install.sh shtool; do
+    if test -f "$ac_dir/$ac_t"; then
+      ac_aux_dir=$ac_dir
+      ac_install_sh="$ac_aux_dir/$ac_t -c"
+      break 2
+    fi
+  done
+done
+if test -z "$ac_aux_dir"; then
+  as_fn_error "cannot find install-sh, install.sh, or shtool in \"$srcdir\" \"$srcdir/..\" \"$srcdir/../..\"" "$LINENO" 5
+fi
+
+# These three variables are undocumented and unsupported,
+# and are intended to be withdrawn in a future Autoconf release.
+# They can cause serious problems if a builder's source tree is in a directory
+# whose full name contains unusual characters.
+ac_config_guess="$SHELL $ac_aux_dir/config.guess"  # Please don't use this var.
+ac_config_sub="$SHELL $ac_aux_dir/config.sub"  # Please don't use this var.
+ac_configure="$SHELL $ac_aux_dir/configure"  # Please don't use this var.
+
+
+# Find a good install program.  We prefer a C program (faster),
+# so one script is as good as another.  But avoid the broken or
+# incompatible versions:
+# SysV /etc/install, /usr/sbin/install
+# SunOS /usr/etc/install
+# IRIX /sbin/install
+# AIX /bin/install
+# AmigaOS /C/install, which installs bootblocks on floppy discs
+# AIX 4 /usr/bin/installbsd, which doesn't work without a -g flag
+# AFS /usr/afsws/bin/install, which mishandles nonexistent args
+# SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
+# OS/2's system install, which has a completely different semantic
+# ./install, which can be erroneously created by make from ./install.sh.
+# Reject install programs that cannot install multiple files.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for a BSD-compatible install" >&5
+$as_echo_n "checking for a BSD-compatible install... " >&6; }
+if test -z "$INSTALL"; then
+if test "${ac_cv_path_install+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    # Account for people who put trailing slashes in PATH elements.
+case $as_dir/ in #((
+  ./ | .// | /[cC]/* | \
+  /etc/* | /usr/sbin/* | /usr/etc/* | /sbin/* | /usr/afsws/bin/* | \
+  ?:[\\/]os2[\\/]install[\\/]* | ?:[\\/]OS2[\\/]INSTALL[\\/]* | \
+  /usr/ucb/* ) ;;
+  *)
+    # OSF1 and SCO ODT 3.0 have their own names for install.
+    # Don't use installbsd from OSF since it installs stuff as root
+    # by default.
+    for ac_prog in ginstall scoinst install; do
+      for ac_exec_ext in '' $ac_executable_extensions; do
+	if { test -f "$as_dir/$ac_prog$ac_exec_ext" && $as_test_x "$as_dir/$ac_prog$ac_exec_ext"; }; then
+	  if test $ac_prog = install &&
+	    grep dspmsg "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then
+	    # AIX install.  It has an incompatible calling convention.
+	    :
+	  elif test $ac_prog = install &&
+	    grep pwplus "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then
+	    # program-specific install script used by HP pwplus--don't use.
+	    :
+	  else
+	    rm -rf conftest.one conftest.two conftest.dir
+	    echo one > conftest.one
+	    echo two > conftest.two
+	    mkdir conftest.dir
+	    if "$as_dir/$ac_prog$ac_exec_ext" -c conftest.one conftest.two "`pwd`/conftest.dir" &&
+	      test -s conftest.one && test -s conftest.two &&
+	      test -s conftest.dir/conftest.one &&
+	      test -s conftest.dir/conftest.two
+	    then
+	      ac_cv_path_install="$as_dir/$ac_prog$ac_exec_ext -c"
+	      break 3
+	    fi
+	  fi
+	fi
+      done
+    done
+    ;;
+esac
+
+  done
+IFS=$as_save_IFS
+
+rm -rf conftest.one conftest.two conftest.dir
+
+fi
+  if test "${ac_cv_path_install+set}" = set; then
+    INSTALL=$ac_cv_path_install
+  else
+    # As a last resort, use the slow shell script.  Don't cache a
+    # value for INSTALL within a source directory, because that will
+    # break other packages using the cache if that directory is
+    # removed, or if the value is a relative name.
+    INSTALL=$ac_install_sh
+  fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $INSTALL" >&5
+$as_echo "$INSTALL" >&6; }
+
+# Use test -z because SunOS4 sh mishandles braces in ${var-val}.
+# It thinks the first close brace ends the variable substitution.
+test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}'
+
+test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL}'
+
+test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether build environment is sane" >&5
+$as_echo_n "checking whether build environment is sane... " >&6; }
+# Just in case
+sleep 1
+echo timestamp > conftest.file
+# Reject unsafe characters in $srcdir or the absolute working directory
+# name.  Accept space and tab only in the latter.
+am_lf='
+'
+case `pwd` in
+  *[\\\"\#\$\&\'\`$am_lf]*)
+    as_fn_error "unsafe absolute working directory name" "$LINENO" 5;;
+esac
+case $srcdir in
+  *[\\\"\#\$\&\'\`$am_lf\ \	]*)
+    as_fn_error "unsafe srcdir value: \`$srcdir'" "$LINENO" 5;;
+esac
+
+# Do `set' in a subshell so we don't clobber the current shell's
+# arguments.  Must try -L first in case configure is actually a
+# symlink; some systems play weird games with the mod time of symlinks
+# (eg FreeBSD returns the mod time of the symlink's containing
+# directory).
+if (
+   set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
+   if test "$*" = "X"; then
+      # -L didn't work.
+      set X `ls -t "$srcdir/configure" conftest.file`
+   fi
+   rm -f conftest.file
+   if test "$*" != "X $srcdir/configure conftest.file" \
+      && test "$*" != "X conftest.file $srcdir/configure"; then
+
+      # If neither matched, then we have a broken ls.  This can happen
+      # if, for instance, CONFIG_SHELL is bash and it inherits a
+      # broken ls alias from the environment.  This has actually
+      # happened.  Such a system could not be considered "sane".
+      as_fn_error "ls -t appears to fail.  Make sure there is not a broken
+alias in your environment" "$LINENO" 5
+   fi
+
+   test "$2" = conftest.file
+   )
+then
+   # Ok.
+   :
+else
+   as_fn_error "newly created file is older than distributed files!
+Check your system clock" "$LINENO" 5
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+test "$program_prefix" != NONE &&
+  program_transform_name="s&^&$program_prefix&;$program_transform_name"
+# Use a double $ so make ignores it.
+test "$program_suffix" != NONE &&
+  program_transform_name="s&\$&$program_suffix&;$program_transform_name"
+# Double any \ or $.
+# By default was `s,x,x', remove it if useless.
+ac_script='s/[\\$]/&&/g;s/;s,x,x,$//'
+program_transform_name=`$as_echo "$program_transform_name" | sed "$ac_script"`
+
+# expand $ac_aux_dir to an absolute path
+am_aux_dir=`cd $ac_aux_dir && pwd`
+
+if test x"${MISSING+set}" != xset; then
+  case $am_aux_dir in
+  *\ * | *\	*)
+    MISSING="\${SHELL} \"$am_aux_dir/missing\"" ;;
+  *)
+    MISSING="\${SHELL} $am_aux_dir/missing" ;;
+  esac
+fi
+# Use eval to expand $SHELL
+if eval "$MISSING --run true"; then
+  am_missing_run="$MISSING --run "
+else
+  am_missing_run=
+  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: \`missing' script is too old or missing" >&5
+$as_echo "$as_me: WARNING: \`missing' script is too old or missing" >&2;}
+fi
+
+if test x"${install_sh}" != xset; then
+  case $am_aux_dir in
+  *\ * | *\	*)
+    install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;;
+  *)
+    install_sh="\${SHELL} $am_aux_dir/install-sh"
+  esac
+fi
+
+# Installed binaries are usually stripped using `strip' when the user
+# run `make install-strip'.  However `strip' might not be the right
+# tool to use in cross-compilation environments, therefore Automake
+# will honor the `STRIP' environment variable to overrule this program.
+if test "$cross_compiling" != no; then
+  if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args.
+set dummy ${ac_tool_prefix}strip; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_STRIP+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$STRIP"; then
+  ac_cv_prog_STRIP="$STRIP" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_STRIP="${ac_tool_prefix}strip"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+STRIP=$ac_cv_prog_STRIP
+if test -n "$STRIP"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $STRIP" >&5
+$as_echo "$STRIP" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_STRIP"; then
+  ac_ct_STRIP=$STRIP
+  # Extract the first word of "strip", so it can be a program name with args.
+set dummy strip; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_ac_ct_STRIP+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$ac_ct_STRIP"; then
+  ac_cv_prog_ac_ct_STRIP="$ac_ct_STRIP" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_ac_ct_STRIP="strip"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP
+if test -n "$ac_ct_STRIP"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_STRIP" >&5
+$as_echo "$ac_ct_STRIP" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+  if test "x$ac_ct_STRIP" = x; then
+    STRIP=":"
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    STRIP=$ac_ct_STRIP
+  fi
+else
+  STRIP="$ac_cv_prog_STRIP"
+fi
+
+fi
+INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for a thread-safe mkdir -p" >&5
+$as_echo_n "checking for a thread-safe mkdir -p... " >&6; }
+if test -z "$MKDIR_P"; then
+  if test "${ac_cv_path_mkdir+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH$PATH_SEPARATOR/opt/sfw/bin
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_prog in mkdir gmkdir; do
+	 for ac_exec_ext in '' $ac_executable_extensions; do
+	   { test -f "$as_dir/$ac_prog$ac_exec_ext" && $as_test_x "$as_dir/$ac_prog$ac_exec_ext"; } || continue
+	   case `"$as_dir/$ac_prog$ac_exec_ext" --version 2>&1` in #(
+	     'mkdir (GNU coreutils) '* | \
+	     'mkdir (coreutils) '* | \
+	     'mkdir (fileutils) '4.1*)
+	       ac_cv_path_mkdir=$as_dir/$ac_prog$ac_exec_ext
+	       break 3;;
+	   esac
+	 done
+       done
+  done
+IFS=$as_save_IFS
+
+fi
+
+  test -d ./--version && rmdir ./--version
+  if test "${ac_cv_path_mkdir+set}" = set; then
+    MKDIR_P="$ac_cv_path_mkdir -p"
+  else
+    # As a last resort, use the slow shell script.  Don't cache a
+    # value for MKDIR_P within a source directory, because that will
+    # break other packages using the cache if that directory is
+    # removed, or if the value is a relative name.
+    MKDIR_P="$ac_install_sh -d"
+  fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $MKDIR_P" >&5
+$as_echo "$MKDIR_P" >&6; }
+
+mkdir_p="$MKDIR_P"
+case $mkdir_p in
+  [\\/$]* | ?:[\\/]*) ;;
+  */*) mkdir_p="\$(top_builddir)/$mkdir_p" ;;
+esac
+
+for ac_prog in gawk mawk nawk awk
+do
+  # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_AWK+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$AWK"; then
+  ac_cv_prog_AWK="$AWK" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_AWK="$ac_prog"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+AWK=$ac_cv_prog_AWK
+if test -n "$AWK"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AWK" >&5
+$as_echo "$AWK" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+  test -n "$AWK" && break
+done
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${MAKE-make} sets \$(MAKE)" >&5
+$as_echo_n "checking whether ${MAKE-make} sets \$(MAKE)... " >&6; }
+set x ${MAKE-make}
+ac_make=`$as_echo "$2" | sed 's/+/p/g; s/[^a-zA-Z0-9_]/_/g'`
+if { as_var=ac_cv_prog_make_${ac_make}_set; eval "test \"\${$as_var+set}\" = set"; }; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.make <<\_ACEOF
+SHELL = /bin/sh
+all:
+	@echo '@@@%%%=$(MAKE)=@@@%%%'
+_ACEOF
+# GNU make sometimes prints "make[1]: Entering...", which would confuse us.
+case `${MAKE-make} -f conftest.make 2>/dev/null` in
+  *@@@%%%=?*=@@@%%%*)
+    eval ac_cv_prog_make_${ac_make}_set=yes;;
+  *)
+    eval ac_cv_prog_make_${ac_make}_set=no;;
+esac
+rm -f conftest.make
+fi
+if eval test \$ac_cv_prog_make_${ac_make}_set = yes; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+  SET_MAKE=
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+  SET_MAKE="MAKE=${MAKE-make}"
+fi
+
+rm -rf .tst 2>/dev/null
+mkdir .tst 2>/dev/null
+if test -d .tst; then
+  am__leading_dot=.
+else
+  am__leading_dot=_
+fi
+rmdir .tst 2>/dev/null
+
+if test "`cd $srcdir && pwd`" != "`pwd`"; then
+  # Use -I$(srcdir) only when $(srcdir) != ., so that make's output
+  # is not polluted with repeated "-I."
+  am__isrc=' -I$(srcdir)'
+  # test to see if srcdir already configured
+  if test -f $srcdir/config.status; then
+    as_fn_error "source directory already configured; run \"make distclean\" there first" "$LINENO" 5
+  fi
+fi
+
+# test whether we have cygpath
+if test -z "$CYGPATH_W"; then
+  if (cygpath --version) >/dev/null 2>/dev/null; then
+    CYGPATH_W='cygpath -w'
+  else
+    CYGPATH_W=echo
+  fi
+fi
+
+
+# Define the identity of the package.
+ PACKAGE='fbterm'
+ VERSION='1.7'
+
+
+cat >>confdefs.h <<_ACEOF
+#define PACKAGE "$PACKAGE"
+_ACEOF
+
+
+cat >>confdefs.h <<_ACEOF
+#define VERSION "$VERSION"
+_ACEOF
+
+# Some tools Automake needs.
+
+ACLOCAL=${ACLOCAL-"${am_missing_run}aclocal-${am__api_version}"}
+
+
+AUTOCONF=${AUTOCONF-"${am_missing_run}autoconf"}
+
+
+AUTOMAKE=${AUTOMAKE-"${am_missing_run}automake-${am__api_version}"}
+
+
+AUTOHEADER=${AUTOHEADER-"${am_missing_run}autoheader"}
+
+
+MAKEINFO=${MAKEINFO-"${am_missing_run}makeinfo"}
+
+# We need awk for the "check" target.  The system "awk" is bad on
+# some platforms.
+# Always define AMTAR for backward compatibility.
+
+AMTAR=${AMTAR-"${am_missing_run}tar"}
+
+am__tar='${AMTAR} chof - "$$tardir"'; am__untar='${AMTAR} xf -'
+
+
+
+
+
+
+ac_config_headers="$ac_config_headers config.h"
+
+
+RELEASE_DATE="October 2010"
+
+
+# Checks for programs.
+ac_ext=cpp
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+if test -z "$CXX"; then
+  if test -n "$CCC"; then
+    CXX=$CCC
+  else
+    if test -n "$ac_tool_prefix"; then
+  for ac_prog in g++ c++ gpp aCC CC cxx cc++ cl.exe FCC KCC RCC xlC_r xlC
+  do
+    # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
+set dummy $ac_tool_prefix$ac_prog; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_CXX+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$CXX"; then
+  ac_cv_prog_CXX="$CXX" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_CXX="$ac_tool_prefix$ac_prog"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+CXX=$ac_cv_prog_CXX
+if test -n "$CXX"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CXX" >&5
+$as_echo "$CXX" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+    test -n "$CXX" && break
+  done
+fi
+if test -z "$CXX"; then
+  ac_ct_CXX=$CXX
+  for ac_prog in g++ c++ gpp aCC CC cxx cc++ cl.exe FCC KCC RCC xlC_r xlC
+do
+  # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_ac_ct_CXX+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$ac_ct_CXX"; then
+  ac_cv_prog_ac_ct_CXX="$ac_ct_CXX" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_ac_ct_CXX="$ac_prog"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_CXX=$ac_cv_prog_ac_ct_CXX
+if test -n "$ac_ct_CXX"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CXX" >&5
+$as_echo "$ac_ct_CXX" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+  test -n "$ac_ct_CXX" && break
+done
+
+  if test "x$ac_ct_CXX" = x; then
+    CXX="g++"
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    CXX=$ac_ct_CXX
+  fi
+fi
+
+  fi
+fi
+# Provide some information about the compiler.
+$as_echo "$as_me:${as_lineno-$LINENO}: checking for C++ compiler version" >&5
+set X $ac_compile
+ac_compiler=$2
+for ac_option in --version -v -V -qversion; do
+  { { ac_try="$ac_compiler $ac_option >&5"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_compiler $ac_option >&5") 2>conftest.err
+  ac_status=$?
+  if test -s conftest.err; then
+    sed '10a\
+... rest of stderr output deleted ...
+         10q' conftest.err >conftest.er1
+    cat conftest.er1 >&5
+  fi
+  rm -f conftest.er1 conftest.err
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+done
+
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+ac_clean_files_save=$ac_clean_files
+ac_clean_files="$ac_clean_files a.out a.out.dSYM a.exe b.out"
+# Try to create an executable without -o first, disregard a.out.
+# It will help us diagnose broken compilers, and finding out an intuition
+# of exeext.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the C++ compiler works" >&5
+$as_echo_n "checking whether the C++ compiler works... " >&6; }
+ac_link_default=`$as_echo "$ac_link" | sed 's/ -o *conftest[^ ]*//'`
+
+# The possible output files:
+ac_files="a.out conftest.exe conftest a.exe a_out.exe b.out conftest.*"
+
+ac_rmfiles=
+for ac_file in $ac_files
+do
+  case $ac_file in
+    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) ;;
+    * ) ac_rmfiles="$ac_rmfiles $ac_file";;
+  esac
+done
+rm -f $ac_rmfiles
+
+if { { ac_try="$ac_link_default"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_link_default") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then :
+  # Autoconf-2.13 could set the ac_cv_exeext variable to `no'.
+# So ignore a value of `no', otherwise this would lead to `EXEEXT = no'
+# in a Makefile.  We should not override ac_cv_exeext if it was cached,
+# so that the user can short-circuit this test for compilers unknown to
+# Autoconf.
+for ac_file in $ac_files ''
+do
+  test -f "$ac_file" || continue
+  case $ac_file in
+    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj )
+	;;
+    [ab].out )
+	# We found the default executable, but exeext='' is most
+	# certainly right.
+	break;;
+    *.* )
+	if test "${ac_cv_exeext+set}" = set && test "$ac_cv_exeext" != no;
+	then :; else
+	   ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'`
+	fi
+	# We set ac_cv_exeext here because the later test for it is not
+	# safe: cross compilers may not add the suffix if given an `-o'
+	# argument, so we may need to know it at that point already.
+	# Even if this section looks crufty: it has the advantage of
+	# actually working.
+	break;;
+    * )
+	break;;
+  esac
+done
+test "$ac_cv_exeext" = no && ac_cv_exeext=
+
+else
+  ac_file=''
+fi
+if test -z "$ac_file"; then :
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+$as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+{ as_fn_set_status 77
+as_fn_error "C++ compiler cannot create executables
+See \`config.log' for more details." "$LINENO" 5; }; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for C++ compiler default output file name" >&5
+$as_echo_n "checking for C++ compiler default output file name... " >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_file" >&5
+$as_echo "$ac_file" >&6; }
+ac_exeext=$ac_cv_exeext
+
+rm -f -r a.out a.out.dSYM a.exe conftest$ac_cv_exeext b.out
+ac_clean_files=$ac_clean_files_save
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for suffix of executables" >&5
+$as_echo_n "checking for suffix of executables... " >&6; }
+if { { ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_link") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then :
+  # If both `conftest.exe' and `conftest' are `present' (well, observable)
+# catch `conftest.exe'.  For instance with Cygwin, `ls conftest' will
+# work properly (i.e., refer to `conftest.exe'), while it won't with
+# `rm'.
+for ac_file in conftest.exe conftest conftest.*; do
+  test -f "$ac_file" || continue
+  case $ac_file in
+    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) ;;
+    *.* ) ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'`
+	  break;;
+    * ) break;;
+  esac
+done
+else
+  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error "cannot compute suffix of executables: cannot compile and link
+See \`config.log' for more details." "$LINENO" 5; }
+fi
+rm -f conftest conftest$ac_cv_exeext
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_exeext" >&5
+$as_echo "$ac_cv_exeext" >&6; }
+
+rm -f conftest.$ac_ext
+EXEEXT=$ac_cv_exeext
+ac_exeext=$EXEEXT
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <stdio.h>
+int
+main ()
+{
+FILE *f = fopen ("conftest.out", "w");
+ return ferror (f) || fclose (f) != 0;
+
+  ;
+  return 0;
+}
+_ACEOF
+ac_clean_files="$ac_clean_files conftest.out"
+# Check that the compiler produces executables we can run.  If not, either
+# the compiler is broken, or we cross compile.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are cross compiling" >&5
+$as_echo_n "checking whether we are cross compiling... " >&6; }
+if test "$cross_compiling" != yes; then
+  { { ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_link") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+  if { ac_try='./conftest$ac_cv_exeext'
+  { { case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; }; then
+    cross_compiling=no
+  else
+    if test "$cross_compiling" = maybe; then
+	cross_compiling=yes
+    else
+	{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error "cannot run C++ compiled programs.
+If you meant to cross compile, use \`--host'.
+See \`config.log' for more details." "$LINENO" 5; }
+    fi
+  fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $cross_compiling" >&5
+$as_echo "$cross_compiling" >&6; }
+
+rm -f conftest.$ac_ext conftest$ac_cv_exeext conftest.out
+ac_clean_files=$ac_clean_files_save
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for suffix of object files" >&5
+$as_echo_n "checking for suffix of object files... " >&6; }
+if test "${ac_cv_objext+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.o conftest.obj
+if { { ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_compile") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then :
+  for ac_file in conftest.o conftest.obj conftest.*; do
+  test -f "$ac_file" || continue;
+  case $ac_file in
+    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM ) ;;
+    *) ac_cv_objext=`expr "$ac_file" : '.*\.\(.*\)'`
+       break;;
+  esac
+done
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error "cannot compute suffix of object files: cannot compile
+See \`config.log' for more details." "$LINENO" 5; }
+fi
+rm -f conftest.$ac_cv_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_objext" >&5
+$as_echo "$ac_cv_objext" >&6; }
+OBJEXT=$ac_cv_objext
+ac_objext=$OBJEXT
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the GNU C++ compiler" >&5
+$as_echo_n "checking whether we are using the GNU C++ compiler... " >&6; }
+if test "${ac_cv_cxx_compiler_gnu+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main ()
+{
+#ifndef __GNUC__
+       choke me
+#endif
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"; then :
+  ac_compiler_gnu=yes
+else
+  ac_compiler_gnu=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ac_cv_cxx_compiler_gnu=$ac_compiler_gnu
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_cxx_compiler_gnu" >&5
+$as_echo "$ac_cv_cxx_compiler_gnu" >&6; }
+if test $ac_compiler_gnu = yes; then
+  GXX=yes
+else
+  GXX=
+fi
+ac_test_CXXFLAGS=${CXXFLAGS+set}
+ac_save_CXXFLAGS=$CXXFLAGS
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CXX accepts -g" >&5
+$as_echo_n "checking whether $CXX accepts -g... " >&6; }
+if test "${ac_cv_prog_cxx_g+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_save_cxx_werror_flag=$ac_cxx_werror_flag
+   ac_cxx_werror_flag=yes
+   ac_cv_prog_cxx_g=no
+   CXXFLAGS="-g"
+   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"; then :
+  ac_cv_prog_cxx_g=yes
+else
+  CXXFLAGS=""
+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"; then :
+
+else
+  ac_cxx_werror_flag=$ac_save_cxx_werror_flag
+	 CXXFLAGS="-g"
+	 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"; then :
+  ac_cv_prog_cxx_g=yes
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+   ac_cxx_werror_flag=$ac_save_cxx_werror_flag
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cxx_g" >&5
+$as_echo "$ac_cv_prog_cxx_g" >&6; }
+if test "$ac_test_CXXFLAGS" = set; then
+  CXXFLAGS=$ac_save_CXXFLAGS
+elif test $ac_cv_prog_cxx_g = yes; then
+  if test "$GXX" = yes; then
+    CXXFLAGS="-g -O2"
+  else
+    CXXFLAGS="-g"
+  fi
+else
+  if test "$GXX" = yes; then
+    CXXFLAGS="-O2"
+  else
+    CXXFLAGS=
+  fi
+fi
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+DEPDIR="${am__leading_dot}deps"
+
+ac_config_commands="$ac_config_commands depfiles"
+
+
+am_make=${MAKE-make}
+cat > confinc << 'END'
+am__doit:
+	@echo this is the am__doit target
+.PHONY: am__doit
+END
+# If we don't find an include directive, just comment out the code.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for style of include used by $am_make" >&5
+$as_echo_n "checking for style of include used by $am_make... " >&6; }
+am__include="#"
+am__quote=
+_am_result=none
+# First try GNU make style include.
+echo "include confinc" > confmf
+# Ignore all kinds of additional output from `make'.
+case `$am_make -s -f confmf 2> /dev/null` in #(
+*the\ am__doit\ target*)
+  am__include=include
+  am__quote=
+  _am_result=GNU
+  ;;
+esac
+# Now try BSD make style include.
+if test "$am__include" = "#"; then
+   echo '.include "confinc"' > confmf
+   case `$am_make -s -f confmf 2> /dev/null` in #(
+   *the\ am__doit\ target*)
+     am__include=.include
+     am__quote="\""
+     _am_result=BSD
+     ;;
+   esac
+fi
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $_am_result" >&5
+$as_echo "$_am_result" >&6; }
+rm -f confinc confmf
+
+# Check whether --enable-dependency-tracking was given.
+if test "${enable_dependency_tracking+set}" = set; then :
+  enableval=$enable_dependency_tracking;
+fi
+
+if test "x$enable_dependency_tracking" != xno; then
+  am_depcomp="$ac_aux_dir/depcomp"
+  AMDEPBACKSLASH='\'
+fi
+ if test "x$enable_dependency_tracking" != xno; then
+  AMDEP_TRUE=
+  AMDEP_FALSE='#'
+else
+  AMDEP_TRUE='#'
+  AMDEP_FALSE=
+fi
+
+
+
+depcc="$CXX"  am_compiler_list=
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking dependency style of $depcc" >&5
+$as_echo_n "checking dependency style of $depcc... " >&6; }
+if test "${am_cv_CXX_dependencies_compiler_type+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
+  # We make a subdir and do the tests there.  Otherwise we can end up
+  # making bogus files that we don't know about and never remove.  For
+  # instance it was reported that on HP-UX the gcc test will end up
+  # making a dummy file named `D' -- because `-MD' means `put the output
+  # in D'.
+  mkdir conftest.dir
+  # Copy depcomp to subdir because otherwise we won't find it if we're
+  # using a relative directory.
+  cp "$am_depcomp" conftest.dir
+  cd conftest.dir
+  # We will build objects and dependencies in a subdirectory because
+  # it helps to detect inapplicable dependency modes.  For instance
+  # both Tru64's cc and ICC support -MD to output dependencies as a
+  # side effect of compilation, but ICC will put the dependencies in
+  # the current directory while Tru64 will put them in the object
+  # directory.
+  mkdir sub
+
+  am_cv_CXX_dependencies_compiler_type=none
+  if test "$am_compiler_list" = ""; then
+     am_compiler_list=`sed -n 's/^#*\([a-zA-Z0-9]*\))$/\1/p' < ./depcomp`
+  fi
+  am__universal=false
+  case " $depcc " in #(
+     *\ -arch\ *\ -arch\ *) am__universal=true ;;
+     esac
+
+  for depmode in $am_compiler_list; do
+    # Setup a source with many dependencies, because some compilers
+    # like to wrap large dependency lists on column 80 (with \), and
+    # we should not choose a depcomp mode which is confused by this.
+    #
+    # We need to recreate these files for each test, as the compiler may
+    # overwrite some of them when testing with obscure command lines.
+    # This happens at least with the AIX C compiler.
+    : > sub/conftest.c
+    for i in 1 2 3 4 5 6; do
+      echo '#include "conftst'$i'.h"' >> sub/conftest.c
+      # Using `: > sub/conftst$i.h' creates only sub/conftst1.h with
+      # Solaris 8's {/usr,}/bin/sh.
+      touch sub/conftst$i.h
+    done
+    echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf
+
+    # We check with `-c' and `-o' for the sake of the "dashmstdout"
+    # mode.  It turns out that the SunPro C++ compiler does not properly
+    # handle `-M -o', and we need to detect this.  Also, some Intel
+    # versions had trouble with output in subdirs
+    am__obj=sub/conftest.${OBJEXT-o}
+    am__minus_obj="-o $am__obj"
+    case $depmode in
+    gcc)
+      # This depmode causes a compiler race in universal mode.
+      test "$am__universal" = false || continue
+      ;;
+    nosideeffect)
+      # after this tag, mechanisms are not by side-effect, so they'll
+      # only be used when explicitly requested
+      if test "x$enable_dependency_tracking" = xyes; then
+	continue
+      else
+	break
+      fi
+      ;;
+    msvisualcpp | msvcmsys)
+      # This compiler won't grok `-c -o', but also, the minuso test has
+      # not run yet.  These depmodes are late enough in the game, and
+      # so weak that their functioning should not be impacted.
+      am__obj=conftest.${OBJEXT-o}
+      am__minus_obj=
+      ;;
+    none) break ;;
+    esac
+    if depmode=$depmode \
+       source=sub/conftest.c object=$am__obj \
+       depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \
+       $SHELL ./depcomp $depcc -c $am__minus_obj sub/conftest.c \
+         >/dev/null 2>conftest.err &&
+       grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 &&
+       grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 &&
+       grep $am__obj sub/conftest.Po > /dev/null 2>&1 &&
+       ${MAKE-make} -s -f confmf > /dev/null 2>&1; then
+      # icc doesn't choke on unknown options, it will just issue warnings
+      # or remarks (even with -Werror).  So we grep stderr for any message
+      # that says an option was ignored or not supported.
+      # When given -MP, icc 7.0 and 7.1 complain thusly:
+      #   icc: Command line warning: ignoring option '-M'; no argument required
+      # The diagnosis changed in icc 8.0:
+      #   icc: Command line remark: option '-MP' not supported
+      if (grep 'ignoring option' conftest.err ||
+          grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else
+        am_cv_CXX_dependencies_compiler_type=$depmode
+        break
+      fi
+    fi
+  done
+
+  cd ..
+  rm -rf conftest.dir
+else
+  am_cv_CXX_dependencies_compiler_type=none
+fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_CXX_dependencies_compiler_type" >&5
+$as_echo "$am_cv_CXX_dependencies_compiler_type" >&6; }
+CXXDEPMODE=depmode=$am_cv_CXX_dependencies_compiler_type
+
+ if
+  test "x$enable_dependency_tracking" != xno \
+  && test "$am_cv_CXX_dependencies_compiler_type" = gcc3; then
+  am__fastdepCXX_TRUE=
+  am__fastdepCXX_FALSE='#'
+else
+  am__fastdepCXX_TRUE='#'
+  am__fastdepCXX_FALSE=
+fi
+
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args.
+set dummy ${ac_tool_prefix}gcc; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_CC+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$CC"; then
+  ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_CC="${ac_tool_prefix}gcc"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+CC=$ac_cv_prog_CC
+if test -n "$CC"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+$as_echo "$CC" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_CC"; then
+  ac_ct_CC=$CC
+  # Extract the first word of "gcc", so it can be a program name with args.
+set dummy gcc; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_ac_ct_CC+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$ac_ct_CC"; then
+  ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_ac_ct_CC="gcc"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_CC=$ac_cv_prog_ac_ct_CC
+if test -n "$ac_ct_CC"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
+$as_echo "$ac_ct_CC" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+  if test "x$ac_ct_CC" = x; then
+    CC=""
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    CC=$ac_ct_CC
+  fi
+else
+  CC="$ac_cv_prog_CC"
+fi
+
+if test -z "$CC"; then
+          if test -n "$ac_tool_prefix"; then
+    # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args.
+set dummy ${ac_tool_prefix}cc; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_CC+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$CC"; then
+  ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_CC="${ac_tool_prefix}cc"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+CC=$ac_cv_prog_CC
+if test -n "$CC"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+$as_echo "$CC" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+  fi
+fi
+if test -z "$CC"; then
+  # Extract the first word of "cc", so it can be a program name with args.
+set dummy cc; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_CC+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$CC"; then
+  ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+  ac_prog_rejected=no
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then
+       ac_prog_rejected=yes
+       continue
+     fi
+    ac_cv_prog_CC="cc"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+if test $ac_prog_rejected = yes; then
+  # We found a bogon in the path, so make sure we never use it.
+  set dummy $ac_cv_prog_CC
+  shift
+  if test $# != 0; then
+    # We chose a different compiler from the bogus one.
+    # However, it has the same basename, so the bogon will be chosen
+    # first if we set CC to just the basename; use the full file name.
+    shift
+    ac_cv_prog_CC="$as_dir/$ac_word${1+' '}$@"
+  fi
+fi
+fi
+fi
+CC=$ac_cv_prog_CC
+if test -n "$CC"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+$as_echo "$CC" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$CC"; then
+  if test -n "$ac_tool_prefix"; then
+  for ac_prog in cl.exe
+  do
+    # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
+set dummy $ac_tool_prefix$ac_prog; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_CC+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$CC"; then
+  ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_CC="$ac_tool_prefix$ac_prog"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+CC=$ac_cv_prog_CC
+if test -n "$CC"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+$as_echo "$CC" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+    test -n "$CC" && break
+  done
+fi
+if test -z "$CC"; then
+  ac_ct_CC=$CC
+  for ac_prog in cl.exe
+do
+  # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_ac_ct_CC+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$ac_ct_CC"; then
+  ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_ac_ct_CC="$ac_prog"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_CC=$ac_cv_prog_ac_ct_CC
+if test -n "$ac_ct_CC"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
+$as_echo "$ac_ct_CC" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+  test -n "$ac_ct_CC" && break
+done
+
+  if test "x$ac_ct_CC" = x; then
+    CC=""
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    CC=$ac_ct_CC
+  fi
+fi
+
+fi
+
+
+test -z "$CC" && { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error "no acceptable C compiler found in \$PATH
+See \`config.log' for more details." "$LINENO" 5; }
+
+# Provide some information about the compiler.
+$as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5
+set X $ac_compile
+ac_compiler=$2
+for ac_option in --version -v -V -qversion; do
+  { { ac_try="$ac_compiler $ac_option >&5"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_compiler $ac_option >&5") 2>conftest.err
+  ac_status=$?
+  if test -s conftest.err; then
+    sed '10a\
+... rest of stderr output deleted ...
+         10q' conftest.err >conftest.er1
+    cat conftest.er1 >&5
+  fi
+  rm -f conftest.er1 conftest.err
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+done
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the GNU C compiler" >&5
+$as_echo_n "checking whether we are using the GNU C compiler... " >&6; }
+if test "${ac_cv_c_compiler_gnu+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main ()
+{
+#ifndef __GNUC__
+       choke me
+#endif
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_compiler_gnu=yes
+else
+  ac_compiler_gnu=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ac_cv_c_compiler_gnu=$ac_compiler_gnu
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_compiler_gnu" >&5
+$as_echo "$ac_cv_c_compiler_gnu" >&6; }
+if test $ac_compiler_gnu = yes; then
+  GCC=yes
+else
+  GCC=
+fi
+ac_test_CFLAGS=${CFLAGS+set}
+ac_save_CFLAGS=$CFLAGS
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5
+$as_echo_n "checking whether $CC accepts -g... " >&6; }
+if test "${ac_cv_prog_cc_g+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_save_c_werror_flag=$ac_c_werror_flag
+   ac_c_werror_flag=yes
+   ac_cv_prog_cc_g=no
+   CFLAGS="-g"
+   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_cv_prog_cc_g=yes
+else
+  CFLAGS=""
+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+else
+  ac_c_werror_flag=$ac_save_c_werror_flag
+	 CFLAGS="-g"
+	 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_cv_prog_cc_g=yes
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+   ac_c_werror_flag=$ac_save_c_werror_flag
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_g" >&5
+$as_echo "$ac_cv_prog_cc_g" >&6; }
+if test "$ac_test_CFLAGS" = set; then
+  CFLAGS=$ac_save_CFLAGS
+elif test $ac_cv_prog_cc_g = yes; then
+  if test "$GCC" = yes; then
+    CFLAGS="-g -O2"
+  else
+    CFLAGS="-g"
+  fi
+else
+  if test "$GCC" = yes; then
+    CFLAGS="-O2"
+  else
+    CFLAGS=
+  fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $CC option to accept ISO C89" >&5
+$as_echo_n "checking for $CC option to accept ISO C89... " >&6; }
+if test "${ac_cv_prog_cc_c89+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_cv_prog_cc_c89=no
+ac_save_CC=$CC
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <stdarg.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+/* Most of the following tests are stolen from RCS 5.7's src/conf.sh.  */
+struct buf { int x; };
+FILE * (*rcsopen) (struct buf *, struct stat *, int);
+static char *e (p, i)
+     char **p;
+     int i;
+{
+  return p[i];
+}
+static char *f (char * (*g) (char **, int), char **p, ...)
+{
+  char *s;
+  va_list v;
+  va_start (v,p);
+  s = g (p, va_arg (v,int));
+  va_end (v);
+  return s;
+}
+
+/* OSF 4.0 Compaq cc is some sort of almost-ANSI by default.  It has
+   function prototypes and stuff, but not '\xHH' hex character constants.
+   These don't provoke an error unfortunately, instead are silently treated
+   as 'x'.  The following induces an error, until -std is added to get
+   proper ANSI mode.  Curiously '\x00'!='x' always comes out true, for an
+   array size at least.  It's necessary to write '\x00'==0 to get something
+   that's true only with -std.  */
+int osf4_cc_array ['\x00' == 0 ? 1 : -1];
+
+/* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters
+   inside strings and character constants.  */
+#define FOO(x) 'x'
+int xlc6_cc_array[FOO(a) == 'x' ? 1 : -1];
+
+int test (int i, double x);
+struct s1 {int (*f) (int a);};
+struct s2 {int (*f) (double a);};
+int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int);
+int argc;
+char **argv;
+int
+main ()
+{
+return f (e, argv, 0) != argv[0]  ||  f (e, argv, 1) != argv[1];
+  ;
+  return 0;
+}
+_ACEOF
+for ac_arg in '' -qlanglvl=extc89 -qlanglvl=ansi -std \
+	-Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
+do
+  CC="$ac_save_CC $ac_arg"
+  if ac_fn_c_try_compile "$LINENO"; then :
+  ac_cv_prog_cc_c89=$ac_arg
+fi
+rm -f core conftest.err conftest.$ac_objext
+  test "x$ac_cv_prog_cc_c89" != "xno" && break
+done
+rm -f conftest.$ac_ext
+CC=$ac_save_CC
+
+fi
+# AC_CACHE_VAL
+case "x$ac_cv_prog_cc_c89" in
+  x)
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
+$as_echo "none needed" >&6; } ;;
+  xno)
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
+$as_echo "unsupported" >&6; } ;;
+  *)
+    CC="$CC $ac_cv_prog_cc_c89"
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5
+$as_echo "$ac_cv_prog_cc_c89" >&6; } ;;
+esac
+if test "x$ac_cv_prog_cc_c89" != xno; then :
+
+fi
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+depcc="$CC"   am_compiler_list=
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking dependency style of $depcc" >&5
+$as_echo_n "checking dependency style of $depcc... " >&6; }
+if test "${am_cv_CC_dependencies_compiler_type+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
+  # We make a subdir and do the tests there.  Otherwise we can end up
+  # making bogus files that we don't know about and never remove.  For
+  # instance it was reported that on HP-UX the gcc test will end up
+  # making a dummy file named `D' -- because `-MD' means `put the output
+  # in D'.
+  mkdir conftest.dir
+  # Copy depcomp to subdir because otherwise we won't find it if we're
+  # using a relative directory.
+  cp "$am_depcomp" conftest.dir
+  cd conftest.dir
+  # We will build objects and dependencies in a subdirectory because
+  # it helps to detect inapplicable dependency modes.  For instance
+  # both Tru64's cc and ICC support -MD to output dependencies as a
+  # side effect of compilation, but ICC will put the dependencies in
+  # the current directory while Tru64 will put them in the object
+  # directory.
+  mkdir sub
+
+  am_cv_CC_dependencies_compiler_type=none
+  if test "$am_compiler_list" = ""; then
+     am_compiler_list=`sed -n 's/^#*\([a-zA-Z0-9]*\))$/\1/p' < ./depcomp`
+  fi
+  am__universal=false
+  case " $depcc " in #(
+     *\ -arch\ *\ -arch\ *) am__universal=true ;;
+     esac
+
+  for depmode in $am_compiler_list; do
+    # Setup a source with many dependencies, because some compilers
+    # like to wrap large dependency lists on column 80 (with \), and
+    # we should not choose a depcomp mode which is confused by this.
+    #
+    # We need to recreate these files for each test, as the compiler may
+    # overwrite some of them when testing with obscure command lines.
+    # This happens at least with the AIX C compiler.
+    : > sub/conftest.c
+    for i in 1 2 3 4 5 6; do
+      echo '#include "conftst'$i'.h"' >> sub/conftest.c
+      # Using `: > sub/conftst$i.h' creates only sub/conftst1.h with
+      # Solaris 8's {/usr,}/bin/sh.
+      touch sub/conftst$i.h
+    done
+    echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf
+
+    # We check with `-c' and `-o' for the sake of the "dashmstdout"
+    # mode.  It turns out that the SunPro C++ compiler does not properly
+    # handle `-M -o', and we need to detect this.  Also, some Intel
+    # versions had trouble with output in subdirs
+    am__obj=sub/conftest.${OBJEXT-o}
+    am__minus_obj="-o $am__obj"
+    case $depmode in
+    gcc)
+      # This depmode causes a compiler race in universal mode.
+      test "$am__universal" = false || continue
+      ;;
+    nosideeffect)
+      # after this tag, mechanisms are not by side-effect, so they'll
+      # only be used when explicitly requested
+      if test "x$enable_dependency_tracking" = xyes; then
+	continue
+      else
+	break
+      fi
+      ;;
+    msvisualcpp | msvcmsys)
+      # This compiler won't grok `-c -o', but also, the minuso test has
+      # not run yet.  These depmodes are late enough in the game, and
+      # so weak that their functioning should not be impacted.
+      am__obj=conftest.${OBJEXT-o}
+      am__minus_obj=
+      ;;
+    none) break ;;
+    esac
+    if depmode=$depmode \
+       source=sub/conftest.c object=$am__obj \
+       depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \
+       $SHELL ./depcomp $depcc -c $am__minus_obj sub/conftest.c \
+         >/dev/null 2>conftest.err &&
+       grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 &&
+       grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 &&
+       grep $am__obj sub/conftest.Po > /dev/null 2>&1 &&
+       ${MAKE-make} -s -f confmf > /dev/null 2>&1; then
+      # icc doesn't choke on unknown options, it will just issue warnings
+      # or remarks (even with -Werror).  So we grep stderr for any message
+      # that says an option was ignored or not supported.
+      # When given -MP, icc 7.0 and 7.1 complain thusly:
+      #   icc: Command line warning: ignoring option '-M'; no argument required
+      # The diagnosis changed in icc 8.0:
+      #   icc: Command line remark: option '-MP' not supported
+      if (grep 'ignoring option' conftest.err ||
+          grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else
+        am_cv_CC_dependencies_compiler_type=$depmode
+        break
+      fi
+    fi
+  done
+
+  cd ..
+  rm -rf conftest.dir
+else
+  am_cv_CC_dependencies_compiler_type=none
+fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_CC_dependencies_compiler_type" >&5
+$as_echo "$am_cv_CC_dependencies_compiler_type" >&6; }
+CCDEPMODE=depmode=$am_cv_CC_dependencies_compiler_type
+
+ if
+  test "x$enable_dependency_tracking" != xno \
+  && test "$am_cv_CC_dependencies_compiler_type" = gcc3; then
+  am__fastdepCC_TRUE=
+  am__fastdepCC_FALSE='#'
+else
+  am__fastdepCC_TRUE='#'
+  am__fastdepCC_FALSE=
+fi
+
+
+if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args.
+set dummy ${ac_tool_prefix}ranlib; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_RANLIB+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$RANLIB"; then
+  ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_RANLIB="${ac_tool_prefix}ranlib"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+RANLIB=$ac_cv_prog_RANLIB
+if test -n "$RANLIB"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $RANLIB" >&5
+$as_echo "$RANLIB" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_RANLIB"; then
+  ac_ct_RANLIB=$RANLIB
+  # Extract the first word of "ranlib", so it can be a program name with args.
+set dummy ranlib; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_ac_ct_RANLIB+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$ac_ct_RANLIB"; then
+  ac_cv_prog_ac_ct_RANLIB="$ac_ct_RANLIB" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_ac_ct_RANLIB="ranlib"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_RANLIB=$ac_cv_prog_ac_ct_RANLIB
+if test -n "$ac_ct_RANLIB"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_RANLIB" >&5
+$as_echo "$ac_ct_RANLIB" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+  if test "x$ac_ct_RANLIB" = x; then
+    RANLIB=":"
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    RANLIB=$ac_ct_RANLIB
+  fi
+else
+  RANLIB="$ac_cv_prog_RANLIB"
+fi
+
+
+
+if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then
+	if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}pkg-config", so it can be a program name with args.
+set dummy ${ac_tool_prefix}pkg-config; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_path_PKG_CONFIG+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $PKG_CONFIG in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_PKG_CONFIG="$PKG_CONFIG" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_path_PKG_CONFIG="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+PKG_CONFIG=$ac_cv_path_PKG_CONFIG
+if test -n "$PKG_CONFIG"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $PKG_CONFIG" >&5
+$as_echo "$PKG_CONFIG" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_path_PKG_CONFIG"; then
+  ac_pt_PKG_CONFIG=$PKG_CONFIG
+  # Extract the first word of "pkg-config", so it can be a program name with args.
+set dummy pkg-config; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_path_ac_pt_PKG_CONFIG+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $ac_pt_PKG_CONFIG in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_ac_pt_PKG_CONFIG="$ac_pt_PKG_CONFIG" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_path_ac_pt_PKG_CONFIG="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+ac_pt_PKG_CONFIG=$ac_cv_path_ac_pt_PKG_CONFIG
+if test -n "$ac_pt_PKG_CONFIG"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_pt_PKG_CONFIG" >&5
+$as_echo "$ac_pt_PKG_CONFIG" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+  if test "x$ac_pt_PKG_CONFIG" = x; then
+    PKG_CONFIG=""
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    PKG_CONFIG=$ac_pt_PKG_CONFIG
+  fi
+else
+  PKG_CONFIG="$ac_cv_path_PKG_CONFIG"
+fi
+
+fi
+if test -n "$PKG_CONFIG"; then
+	_pkg_min_version=0.9.0
+	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking pkg-config is at least version $_pkg_min_version" >&5
+$as_echo_n "checking pkg-config is at least version $_pkg_min_version... " >&6; }
+	if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then
+		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+	else
+		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+		PKG_CONFIG=""
+	fi
+
+fi
+
+# Check whether --enable-gpm was given.
+if test "${enable_gpm+set}" = set; then :
+  enableval=$enable_gpm; GPM="$enableval"
+else
+  GPM=auto
+fi
+
+
+# Check whether --enable-vesa was given.
+if test "${enable_vesa+set}" = set; then :
+  enableval=$enable_vesa; VESA="$enableval"
+else
+  VESA=auto
+fi
+
+
+# Check whether --enable-epoll was given.
+if test "${enable_epoll+set}" = set; then :
+  enableval=$enable_epoll; EPOLL="$enableval"
+else
+  EPOLL=auto
+fi
+
+
+# Check whether --enable-signalfd was given.
+if test "${enable_signalfd+set}" = set; then :
+  enableval=$enable_signalfd; SIGNALFD="$enableval"
+else
+  SIGNALFD=auto
+fi
+
+
+
+# Checks for libraries.
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for forkpty in -lutil" >&5
+$as_echo_n "checking for forkpty in -lutil... " >&6; }
+if test "${ac_cv_lib_util_forkpty+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lutil  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char forkpty ();
+int
+main ()
+{
+return forkpty ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_lib_util_forkpty=yes
+else
+  ac_cv_lib_util_forkpty=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_util_forkpty" >&5
+$as_echo "$ac_cv_lib_util_forkpty" >&6; }
+if test "x$ac_cv_lib_util_forkpty" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_LIBUTIL 1
+_ACEOF
+
+  LIBS="-lutil $LIBS"
+
+fi
+
+
+pkg_failed=no
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for FT2" >&5
+$as_echo_n "checking for FT2... " >&6; }
+
+if test -n "$PKG_CONFIG"; then
+    if test -n "$FT2_CFLAGS"; then
+        pkg_cv_FT2_CFLAGS="$FT2_CFLAGS"
+    else
+        if test -n "$PKG_CONFIG" && \
+    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"freetype2\""; } >&5
+  ($PKG_CONFIG --exists --print-errors "freetype2") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then
+  pkg_cv_FT2_CFLAGS=`$PKG_CONFIG --cflags "freetype2" 2>/dev/null`
+else
+  pkg_failed=yes
+fi
+    fi
+else
+	pkg_failed=untried
+fi
+if test -n "$PKG_CONFIG"; then
+    if test -n "$FT2_LIBS"; then
+        pkg_cv_FT2_LIBS="$FT2_LIBS"
+    else
+        if test -n "$PKG_CONFIG" && \
+    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"freetype2\""; } >&5
+  ($PKG_CONFIG --exists --print-errors "freetype2") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then
+  pkg_cv_FT2_LIBS=`$PKG_CONFIG --libs "freetype2" 2>/dev/null`
+else
+  pkg_failed=yes
+fi
+    fi
+else
+	pkg_failed=untried
+fi
+
+
+
+if test $pkg_failed = yes; then
+
+if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
+        _pkg_short_errors_supported=yes
+else
+        _pkg_short_errors_supported=no
+fi
+        if test $_pkg_short_errors_supported = yes; then
+	        FT2_PKG_ERRORS=`$PKG_CONFIG --short-errors --errors-to-stdout --print-errors "freetype2"`
+        else
+	        FT2_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "freetype2"`
+        fi
+	# Put the nasty error message in config.log where it belongs
+	echo "$FT2_PKG_ERRORS" >&5
+
+	as_fn_error "Package requirements (freetype2) were not met:
+
+$FT2_PKG_ERRORS
+
+Consider adjusting the PKG_CONFIG_PATH environment variable if you
+installed software in a non-standard prefix.
+
+Alternatively, you may set the environment variables FT2_CFLAGS
+and FT2_LIBS to avoid the need to call pkg-config.
+See the pkg-config man page for more details.
+" "$LINENO" 5
+elif test $pkg_failed = untried; then
+	{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error "The pkg-config script could not be found or is too old.  Make sure it
+is in your PATH or set the PKG_CONFIG environment variable to the full
+path to pkg-config.
+
+Alternatively, you may set the environment variables FT2_CFLAGS
+and FT2_LIBS to avoid the need to call pkg-config.
+See the pkg-config man page for more details.
+
+To get pkg-config, see <http://pkg-config.freedesktop.org/>.
+See \`config.log' for more details." "$LINENO" 5; }
+else
+	FT2_CFLAGS=$pkg_cv_FT2_CFLAGS
+	FT2_LIBS=$pkg_cv_FT2_LIBS
+        { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+	:
+fi
+
+pkg_failed=no
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for FC" >&5
+$as_echo_n "checking for FC... " >&6; }
+
+if test -n "$PKG_CONFIG"; then
+    if test -n "$FC_CFLAGS"; then
+        pkg_cv_FC_CFLAGS="$FC_CFLAGS"
+    else
+        if test -n "$PKG_CONFIG" && \
+    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"fontconfig\""; } >&5
+  ($PKG_CONFIG --exists --print-errors "fontconfig") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then
+  pkg_cv_FC_CFLAGS=`$PKG_CONFIG --cflags "fontconfig" 2>/dev/null`
+else
+  pkg_failed=yes
+fi
+    fi
+else
+	pkg_failed=untried
+fi
+if test -n "$PKG_CONFIG"; then
+    if test -n "$FC_LIBS"; then
+        pkg_cv_FC_LIBS="$FC_LIBS"
+    else
+        if test -n "$PKG_CONFIG" && \
+    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"fontconfig\""; } >&5
+  ($PKG_CONFIG --exists --print-errors "fontconfig") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then
+  pkg_cv_FC_LIBS=`$PKG_CONFIG --libs "fontconfig" 2>/dev/null`
+else
+  pkg_failed=yes
+fi
+    fi
+else
+	pkg_failed=untried
+fi
+
+
+
+if test $pkg_failed = yes; then
+
+if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
+        _pkg_short_errors_supported=yes
+else
+        _pkg_short_errors_supported=no
+fi
+        if test $_pkg_short_errors_supported = yes; then
+	        FC_PKG_ERRORS=`$PKG_CONFIG --short-errors --errors-to-stdout --print-errors "fontconfig"`
+        else
+	        FC_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "fontconfig"`
+        fi
+	# Put the nasty error message in config.log where it belongs
+	echo "$FC_PKG_ERRORS" >&5
+
+	as_fn_error "Package requirements (fontconfig) were not met:
+
+$FC_PKG_ERRORS
+
+Consider adjusting the PKG_CONFIG_PATH environment variable if you
+installed software in a non-standard prefix.
+
+Alternatively, you may set the environment variables FC_CFLAGS
+and FC_LIBS to avoid the need to call pkg-config.
+See the pkg-config man page for more details.
+" "$LINENO" 5
+elif test $pkg_failed = untried; then
+	{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error "The pkg-config script could not be found or is too old.  Make sure it
+is in your PATH or set the PKG_CONFIG environment variable to the full
+path to pkg-config.
+
+Alternatively, you may set the environment variables FC_CFLAGS
+and FC_LIBS to avoid the need to call pkg-config.
+See the pkg-config man page for more details.
+
+To get pkg-config, see <http://pkg-config.freedesktop.org/>.
+See \`config.log' for more details." "$LINENO" 5; }
+else
+	FC_CFLAGS=$pkg_cv_FC_CFLAGS
+	FC_LIBS=$pkg_cv_FC_LIBS
+        { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+	:
+fi
+
+# Checks for header files.
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to run the C preprocessor" >&5
+$as_echo_n "checking how to run the C preprocessor... " >&6; }
+# On Suns, sometimes $CPP names a directory.
+if test -n "$CPP" && test -d "$CPP"; then
+  CPP=
+fi
+if test -z "$CPP"; then
+  if test "${ac_cv_prog_CPP+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+      # Double quotes because CPP needs to be expanded
+    for CPP in "$CC -E" "$CC -E -traditional-cpp" "/lib/cpp"
+    do
+      ac_preproc_ok=false
+for ac_c_preproc_warn_flag in '' yes
+do
+  # Use a header file that comes with gcc, so configuring glibc
+  # with a fresh cross-compiler works.
+  # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+  # <limits.h> exists even on freestanding compilers.
+  # On the NeXT, cc -E runs the code through the compiler's parser,
+  # not just through cpp. "Syntax error" is here to catch this case.
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+		     Syntax error
+_ACEOF
+if ac_fn_c_try_cpp "$LINENO"; then :
+
+else
+  # Broken: fails on valid input.
+continue
+fi
+rm -f conftest.err conftest.$ac_ext
+
+  # OK, works on sane cases.  Now check whether nonexistent headers
+  # can be detected and how.
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <ac_nonexistent.h>
+_ACEOF
+if ac_fn_c_try_cpp "$LINENO"; then :
+  # Broken: success on invalid input.
+continue
+else
+  # Passes both tests.
+ac_preproc_ok=:
+break
+fi
+rm -f conftest.err conftest.$ac_ext
+
+done
+# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
+rm -f conftest.err conftest.$ac_ext
+if $ac_preproc_ok; then :
+  break
+fi
+
+    done
+    ac_cv_prog_CPP=$CPP
+
+fi
+  CPP=$ac_cv_prog_CPP
+else
+  ac_cv_prog_CPP=$CPP
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $CPP" >&5
+$as_echo "$CPP" >&6; }
+ac_preproc_ok=false
+for ac_c_preproc_warn_flag in '' yes
+do
+  # Use a header file that comes with gcc, so configuring glibc
+  # with a fresh cross-compiler works.
+  # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+  # <limits.h> exists even on freestanding compilers.
+  # On the NeXT, cc -E runs the code through the compiler's parser,
+  # not just through cpp. "Syntax error" is here to catch this case.
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+		     Syntax error
+_ACEOF
+if ac_fn_c_try_cpp "$LINENO"; then :
+
+else
+  # Broken: fails on valid input.
+continue
+fi
+rm -f conftest.err conftest.$ac_ext
+
+  # OK, works on sane cases.  Now check whether nonexistent headers
+  # can be detected and how.
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <ac_nonexistent.h>
+_ACEOF
+if ac_fn_c_try_cpp "$LINENO"; then :
+  # Broken: success on invalid input.
+continue
+else
+  # Passes both tests.
+ac_preproc_ok=:
+break
+fi
+rm -f conftest.err conftest.$ac_ext
+
+done
+# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
+rm -f conftest.err conftest.$ac_ext
+if $ac_preproc_ok; then :
+
+else
+  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error "C preprocessor \"$CPP\" fails sanity check
+See \`config.log' for more details." "$LINENO" 5; }
+fi
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5
+$as_echo_n "checking for grep that handles long lines and -e... " >&6; }
+if test "${ac_cv_path_GREP+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -z "$GREP"; then
+  ac_path_GREP_found=false
+  # Loop through the user's path and test for each of PROGNAME-LIST
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_prog in grep ggrep; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
+      ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext"
+      { test -f "$ac_path_GREP" && $as_test_x "$ac_path_GREP"; } || continue
+# Check for GNU ac_path_GREP and select it if it is found.
+  # Check for GNU $ac_path_GREP
+case `"$ac_path_GREP" --version 2>&1` in
+*GNU*)
+  ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:;;
+*)
+  ac_count=0
+  $as_echo_n 0123456789 >"conftest.in"
+  while :
+  do
+    cat "conftest.in" "conftest.in" >"conftest.tmp"
+    mv "conftest.tmp" "conftest.in"
+    cp "conftest.in" "conftest.nl"
+    $as_echo 'GREP' >> "conftest.nl"
+    "$ac_path_GREP" -e 'GREP$' -e '-(cannot match)-' < "conftest.nl" >"conftest.out" 2>/dev/null || break
+    diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
+    as_fn_arith $ac_count + 1 && ac_count=$as_val
+    if test $ac_count -gt ${ac_path_GREP_max-0}; then
+      # Best one so far, save it but keep looking for a better one
+      ac_cv_path_GREP="$ac_path_GREP"
+      ac_path_GREP_max=$ac_count
+    fi
+    # 10*(2^10) chars as input seems more than enough
+    test $ac_count -gt 10 && break
+  done
+  rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
+esac
+
+      $ac_path_GREP_found && break 3
+    done
+  done
+  done
+IFS=$as_save_IFS
+  if test -z "$ac_cv_path_GREP"; then
+    as_fn_error "no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
+  fi
+else
+  ac_cv_path_GREP=$GREP
+fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5
+$as_echo "$ac_cv_path_GREP" >&6; }
+ GREP="$ac_cv_path_GREP"
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5
+$as_echo_n "checking for egrep... " >&6; }
+if test "${ac_cv_path_EGREP+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  if echo a | $GREP -E '(a|b)' >/dev/null 2>&1
+   then ac_cv_path_EGREP="$GREP -E"
+   else
+     if test -z "$EGREP"; then
+  ac_path_EGREP_found=false
+  # Loop through the user's path and test for each of PROGNAME-LIST
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_prog in egrep; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
+      ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext"
+      { test -f "$ac_path_EGREP" && $as_test_x "$ac_path_EGREP"; } || continue
+# Check for GNU ac_path_EGREP and select it if it is found.
+  # Check for GNU $ac_path_EGREP
+case `"$ac_path_EGREP" --version 2>&1` in
+*GNU*)
+  ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;;
+*)
+  ac_count=0
+  $as_echo_n 0123456789 >"conftest.in"
+  while :
+  do
+    cat "conftest.in" "conftest.in" >"conftest.tmp"
+    mv "conftest.tmp" "conftest.in"
+    cp "conftest.in" "conftest.nl"
+    $as_echo 'EGREP' >> "conftest.nl"
+    "$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break
+    diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
+    as_fn_arith $ac_count + 1 && ac_count=$as_val
+    if test $ac_count -gt ${ac_path_EGREP_max-0}; then
+      # Best one so far, save it but keep looking for a better one
+      ac_cv_path_EGREP="$ac_path_EGREP"
+      ac_path_EGREP_max=$ac_count
+    fi
+    # 10*(2^10) chars as input seems more than enough
+    test $ac_count -gt 10 && break
+  done
+  rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
+esac
+
+      $ac_path_EGREP_found && break 3
+    done
+  done
+  done
+IFS=$as_save_IFS
+  if test -z "$ac_cv_path_EGREP"; then
+    as_fn_error "no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
+  fi
+else
+  ac_cv_path_EGREP=$EGREP
+fi
+
+   fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5
+$as_echo "$ac_cv_path_EGREP" >&6; }
+ EGREP="$ac_cv_path_EGREP"
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5
+$as_echo_n "checking for ANSI C header files... " >&6; }
+if test "${ac_cv_header_stdc+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <stdlib.h>
+#include <stdarg.h>
+#include <string.h>
+#include <float.h>
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_cv_header_stdc=yes
+else
+  ac_cv_header_stdc=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+if test $ac_cv_header_stdc = yes; then
+  # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <string.h>
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "memchr" >/dev/null 2>&1; then :
+
+else
+  ac_cv_header_stdc=no
+fi
+rm -f conftest*
+
+fi
+
+if test $ac_cv_header_stdc = yes; then
+  # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <stdlib.h>
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "free" >/dev/null 2>&1; then :
+
+else
+  ac_cv_header_stdc=no
+fi
+rm -f conftest*
+
+fi
+
+if test $ac_cv_header_stdc = yes; then
+  # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
+  if test "$cross_compiling" = yes; then :
+  :
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <ctype.h>
+#include <stdlib.h>
+#if ((' ' & 0x0FF) == 0x020)
+# define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
+# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
+#else
+# define ISLOWER(c) \
+		   (('a' <= (c) && (c) <= 'i') \
+		     || ('j' <= (c) && (c) <= 'r') \
+		     || ('s' <= (c) && (c) <= 'z'))
+# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c))
+#endif
+
+#define XOR(e, f) (((e) && !(f)) || (!(e) && (f)))
+int
+main ()
+{
+  int i;
+  for (i = 0; i < 256; i++)
+    if (XOR (islower (i), ISLOWER (i))
+	|| toupper (i) != TOUPPER (i))
+      return 2;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_run "$LINENO"; then :
+
+else
+  ac_cv_header_stdc=no
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_stdc" >&5
+$as_echo "$ac_cv_header_stdc" >&6; }
+if test $ac_cv_header_stdc = yes; then
+
+$as_echo "#define STDC_HEADERS 1" >>confdefs.h
+
+fi
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for sys/wait.h that is POSIX.1 compatible" >&5
+$as_echo_n "checking for sys/wait.h that is POSIX.1 compatible... " >&6; }
+if test "${ac_cv_header_sys_wait_h+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <sys/types.h>
+#include <sys/wait.h>
+#ifndef WEXITSTATUS
+# define WEXITSTATUS(stat_val) ((unsigned int) (stat_val) >> 8)
+#endif
+#ifndef WIFEXITED
+# define WIFEXITED(stat_val) (((stat_val) & 255) == 0)
+#endif
+
+int
+main ()
+{
+  int s;
+  wait (&s);
+  s = WIFEXITED (s) ? WEXITSTATUS (s) : 1;
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_cv_header_sys_wait_h=yes
+else
+  ac_cv_header_sys_wait_h=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_sys_wait_h" >&5
+$as_echo "$ac_cv_header_sys_wait_h" >&6; }
+if test $ac_cv_header_sys_wait_h = yes; then
+
+$as_echo "#define HAVE_SYS_WAIT_H 1" >>confdefs.h
+
+fi
+
+# On IRIX 5.3, sys/types and inttypes.h are conflicting.
+for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \
+		  inttypes.h stdint.h unistd.h
+do :
+  as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
+ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default
+"
+eval as_val=\$$as_ac_Header
+   if test "x$as_val" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+
+done
+
+
+for ac_header in fcntl.h langinfo.h locale.h stddef.h stdlib.h string.h termios.h unistd.h \
+				  sys/ioctl.h sys/socket.h sys/time.h linux/fb.h linux/kd.h linux/keyboard.h linux/input.h
+do :
+  as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
+ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
+eval as_val=\$$as_ac_Header
+   if test "x$as_val" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
+
+else
+  as_fn_error "required header file is missing!" "$LINENO" 5
+fi
+
+done
+
+
+# Checks for typedefs, structures, and compiler characteristics.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for stdbool.h that conforms to C99" >&5
+$as_echo_n "checking for stdbool.h that conforms to C99... " >&6; }
+if test "${ac_cv_header_stdbool_h+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+#include <stdbool.h>
+#ifndef bool
+ "error: bool is not defined"
+#endif
+#ifndef false
+ "error: false is not defined"
+#endif
+#if false
+ "error: false is not 0"
+#endif
+#ifndef true
+ "error: true is not defined"
+#endif
+#if true != 1
+ "error: true is not 1"
+#endif
+#ifndef __bool_true_false_are_defined
+ "error: __bool_true_false_are_defined is not defined"
+#endif
+
+	struct s { _Bool s: 1; _Bool t; } s;
+
+	char a[true == 1 ? 1 : -1];
+	char b[false == 0 ? 1 : -1];
+	char c[__bool_true_false_are_defined == 1 ? 1 : -1];
+	char d[(bool) 0.5 == true ? 1 : -1];
+	bool e = &s;
+	char f[(_Bool) 0.0 == false ? 1 : -1];
+	char g[true];
+	char h[sizeof (_Bool)];
+	char i[sizeof s.t];
+	enum { j = false, k = true, l = false * true, m = true * 256 };
+	/* The following fails for
+	   HP aC++/ANSI C B3910B A.05.55 [Dec 04 2003]. */
+	_Bool n[m];
+	char o[sizeof n == m * sizeof n[0] ? 1 : -1];
+	char p[-1 - (_Bool) 0 < 0 && -1 - (bool) 0 < 0 ? 1 : -1];
+#	if defined __xlc__ || defined __GNUC__
+	 /* Catch a bug in IBM AIX xlc compiler version 6.0.0.0
+	    reported by James Lemley on 2005-10-05; see
+	    http://lists.gnu.org/archive/html/bug-coreutils/2005-10/msg00086.html
+	    This test is not quite right, since xlc is allowed to
+	    reject this program, as the initializer for xlcbug is
+	    not one of the forms that C requires support for.
+	    However, doing the test right would require a runtime
+	    test, and that would make cross-compilation harder.
+	    Let us hope that IBM fixes the xlc bug, and also adds
+	    support for this kind of constant expression.  In the
+	    meantime, this test will reject xlc, which is OK, since
+	    our stdbool.h substitute should suffice.  We also test
+	    this with GCC, where it should work, to detect more
+	    quickly whether someone messes up the test in the
+	    future.  */
+	 char digs[] = "0123456789";
+	 int xlcbug = 1 / (&(digs + 5)[-2 + (bool) 1] == &digs[4] ? 1 : -1);
+#	endif
+	/* Catch a bug in an HP-UX C compiler.  See
+	   http://gcc.gnu.org/ml/gcc-patches/2003-12/msg02303.html
+	   http://lists.gnu.org/archive/html/bug-coreutils/2005-11/msg00161.html
+	 */
+	_Bool q = true;
+	_Bool *pq = &q;
+
+int
+main ()
+{
+
+	*pq |= q;
+	*pq |= ! q;
+	/* Refer to every declared value, to avoid compiler optimizations.  */
+	return (!a + !b + !c + !d + !e + !f + !g + !h + !i + !!j + !k + !!l
+		+ !m + !n + !o + !p + !q + !pq);
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_cv_header_stdbool_h=yes
+else
+  ac_cv_header_stdbool_h=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_stdbool_h" >&5
+$as_echo "$ac_cv_header_stdbool_h" >&6; }
+ac_fn_c_check_type "$LINENO" "_Bool" "ac_cv_type__Bool" "$ac_includes_default"
+if test "x$ac_cv_type__Bool" = x""yes; then :
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE__BOOL 1
+_ACEOF
+
+
+fi
+
+if test $ac_cv_header_stdbool_h = yes; then
+
+$as_echo "#define HAVE_STDBOOL_H 1" >>confdefs.h
+
+fi
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for an ANSI C-conforming const" >&5
+$as_echo_n "checking for an ANSI C-conforming const... " >&6; }
+if test "${ac_cv_c_const+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main ()
+{
+/* FIXME: Include the comments suggested by Paul. */
+#ifndef __cplusplus
+  /* Ultrix mips cc rejects this.  */
+  typedef int charset[2];
+  const charset cs;
+  /* SunOS 4.1.1 cc rejects this.  */
+  char const *const *pcpcc;
+  char **ppc;
+  /* NEC SVR4.0.2 mips cc rejects this.  */
+  struct point {int x, y;};
+  static struct point const zero = {0,0};
+  /* AIX XL C 1.02.0.0 rejects this.
+     It does not let you subtract one const X* pointer from another in
+     an arm of an if-expression whose if-part is not a constant
+     expression */
+  const char *g = "string";
+  pcpcc = &g + (g ? g-g : 0);
+  /* HPUX 7.0 cc rejects these. */
+  ++pcpcc;
+  ppc = (char**) pcpcc;
+  pcpcc = (char const *const *) ppc;
+  { /* SCO 3.2v4 cc rejects this.  */
+    char *t;
+    char const *s = 0 ? (char *) 0 : (char const *) 0;
+
+    *t++ = 0;
+    if (s) return 0;
+  }
+  { /* Someone thinks the Sun supposedly-ANSI compiler will reject this.  */
+    int x[] = {25, 17};
+    const int *foo = &x[0];
+    ++foo;
+  }
+  { /* Sun SC1.0 ANSI compiler rejects this -- but not the above. */
+    typedef const int *iptr;
+    iptr p = 0;
+    ++p;
+  }
+  { /* AIX XL C 1.02.0.0 rejects this saying
+       "k.c", line 2.27: 1506-025 (S) Operand must be a modifiable lvalue. */
+    struct s { int j; const int *ap[3]; };
+    struct s *b; b->j = 5;
+  }
+  { /* ULTRIX-32 V3.1 (Rev 9) vcc rejects this */
+    const int foo = 10;
+    if (!foo) return 0;
+  }
+  return !cs[0] && !zero.x;
+#endif
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_cv_c_const=yes
+else
+  ac_cv_c_const=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_const" >&5
+$as_echo "$ac_cv_c_const" >&6; }
+if test $ac_cv_c_const = no; then
+
+$as_echo "#define const /**/" >>confdefs.h
+
+fi
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether struct tm is in sys/time.h or time.h" >&5
+$as_echo_n "checking whether struct tm is in sys/time.h or time.h... " >&6; }
+if test "${ac_cv_struct_tm+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <sys/types.h>
+#include <time.h>
+
+int
+main ()
+{
+struct tm tm;
+				     int *p = &tm.tm_sec;
+				     return !p;
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_cv_struct_tm=time.h
+else
+  ac_cv_struct_tm=sys/time.h
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_struct_tm" >&5
+$as_echo "$ac_cv_struct_tm" >&6; }
+if test $ac_cv_struct_tm = sys/time.h; then
+
+$as_echo "#define TM_IN_SYS_TIME 1" >>confdefs.h
+
+fi
+
+
+# Checks for library functions.
+if test $ac_cv_c_compiler_gnu = yes; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC needs -traditional" >&5
+$as_echo_n "checking whether $CC needs -traditional... " >&6; }
+if test "${ac_cv_prog_gcc_traditional+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+    ac_pattern="Autoconf.*'x'"
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <sgtty.h>
+Autoconf TIOCGETP
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "$ac_pattern" >/dev/null 2>&1; then :
+  ac_cv_prog_gcc_traditional=yes
+else
+  ac_cv_prog_gcc_traditional=no
+fi
+rm -f conftest*
+
+
+  if test $ac_cv_prog_gcc_traditional = no; then
+    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <termio.h>
+Autoconf TCGETA
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "$ac_pattern" >/dev/null 2>&1; then :
+  ac_cv_prog_gcc_traditional=yes
+fi
+rm -f conftest*
+
+  fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_gcc_traditional" >&5
+$as_echo "$ac_cv_prog_gcc_traditional" >&6; }
+  if test $ac_cv_prog_gcc_traditional = yes; then
+    CC="$CC -traditional"
+  fi
+fi
+
+
+
+
+  for ac_header in $ac_header_list
+do :
+  as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
+ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default
+"
+eval as_val=\$$as_ac_Header
+   if test "x$as_val" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+
+done
+
+
+
+
+
+
+
+
+for ac_func in getpagesize
+do :
+  ac_fn_c_check_func "$LINENO" "getpagesize" "ac_cv_func_getpagesize"
+if test "x$ac_cv_func_getpagesize" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_GETPAGESIZE 1
+_ACEOF
+
+fi
+done
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for working mmap" >&5
+$as_echo_n "checking for working mmap... " >&6; }
+if test "${ac_cv_func_mmap_fixed_mapped+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test "$cross_compiling" = yes; then :
+  ac_cv_func_mmap_fixed_mapped=no
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$ac_includes_default
+/* malloc might have been renamed as rpl_malloc. */
+#undef malloc
+
+/* Thanks to Mike Haertel and Jim Avera for this test.
+   Here is a matrix of mmap possibilities:
+	mmap private not fixed
+	mmap private fixed at somewhere currently unmapped
+	mmap private fixed at somewhere already mapped
+	mmap shared not fixed
+	mmap shared fixed at somewhere currently unmapped
+	mmap shared fixed at somewhere already mapped
+   For private mappings, we should verify that changes cannot be read()
+   back from the file, nor mmap's back from the file at a different
+   address.  (There have been systems where private was not correctly
+   implemented like the infamous i386 svr4.0, and systems where the
+   VM page cache was not coherent with the file system buffer cache
+   like early versions of FreeBSD and possibly contemporary NetBSD.)
+   For shared mappings, we should conversely verify that changes get
+   propagated back to all the places they're supposed to be.
+
+   Grep wants private fixed already mapped.
+   The main things grep needs to know about mmap are:
+   * does it exist and is it safe to write into the mmap'd area
+   * how to use it (BSD variants)  */
+
+#include <fcntl.h>
+#include <sys/mman.h>
+
+#if !defined STDC_HEADERS && !defined HAVE_STDLIB_H
+char *malloc ();
+#endif
+
+/* This mess was copied from the GNU getpagesize.h.  */
+#ifndef HAVE_GETPAGESIZE
+# ifdef _SC_PAGESIZE
+#  define getpagesize() sysconf(_SC_PAGESIZE)
+# else /* no _SC_PAGESIZE */
+#  ifdef HAVE_SYS_PARAM_H
+#   include <sys/param.h>
+#   ifdef EXEC_PAGESIZE
+#    define getpagesize() EXEC_PAGESIZE
+#   else /* no EXEC_PAGESIZE */
+#    ifdef NBPG
+#     define getpagesize() NBPG * CLSIZE
+#     ifndef CLSIZE
+#      define CLSIZE 1
+#     endif /* no CLSIZE */
+#    else /* no NBPG */
+#     ifdef NBPC
+#      define getpagesize() NBPC
+#     else /* no NBPC */
+#      ifdef PAGESIZE
+#       define getpagesize() PAGESIZE
+#      endif /* PAGESIZE */
+#     endif /* no NBPC */
+#    endif /* no NBPG */
+#   endif /* no EXEC_PAGESIZE */
+#  else /* no HAVE_SYS_PARAM_H */
+#   define getpagesize() 8192	/* punt totally */
+#  endif /* no HAVE_SYS_PARAM_H */
+# endif /* no _SC_PAGESIZE */
+
+#endif /* no HAVE_GETPAGESIZE */
+
+int
+main ()
+{
+  char *data, *data2, *data3;
+  const char *cdata2;
+  int i, pagesize;
+  int fd, fd2;
+
+  pagesize = getpagesize ();
+
+  /* First, make a file with some known garbage in it. */
+  data = (char *) malloc (pagesize);
+  if (!data)
+    return 1;
+  for (i = 0; i < pagesize; ++i)
+    *(data + i) = rand ();
+  umask (0);
+  fd = creat ("conftest.mmap", 0600);
+  if (fd < 0)
+    return 2;
+  if (write (fd, data, pagesize) != pagesize)
+    return 3;
+  close (fd);
+
+  /* Next, check that the tail of a page is zero-filled.  File must have
+     non-zero length, otherwise we risk SIGBUS for entire page.  */
+  fd2 = open ("conftest.txt", O_RDWR | O_CREAT | O_TRUNC, 0600);
+  if (fd2 < 0)
+    return 4;
+  cdata2 = "";
+  if (write (fd2, cdata2, 1) != 1)
+    return 5;
+  data2 = (char *) mmap (0, pagesize, PROT_READ | PROT_WRITE, MAP_SHARED, fd2, 0L);
+  if (data2 == MAP_FAILED)
+    return 6;
+  for (i = 0; i < pagesize; ++i)
+    if (*(data2 + i))
+      return 7;
+  close (fd2);
+  if (munmap (data2, pagesize))
+    return 8;
+
+  /* Next, try to mmap the file at a fixed address which already has
+     something else allocated at it.  If we can, also make sure that
+     we see the same garbage.  */
+  fd = open ("conftest.mmap", O_RDWR);
+  if (fd < 0)
+    return 9;
+  if (data2 != mmap (data2, pagesize, PROT_READ | PROT_WRITE,
+		     MAP_PRIVATE | MAP_FIXED, fd, 0L))
+    return 10;
+  for (i = 0; i < pagesize; ++i)
+    if (*(data + i) != *(data2 + i))
+      return 11;
+
+  /* Finally, make sure that changes to the mapped area do not
+     percolate back to the file as seen by read().  (This is a bug on
+     some variants of i386 svr4.0.)  */
+  for (i = 0; i < pagesize; ++i)
+    *(data2 + i) = *(data2 + i) + 1;
+  data3 = (char *) malloc (pagesize);
+  if (!data3)
+    return 12;
+  if (read (fd, data3, pagesize) != pagesize)
+    return 13;
+  for (i = 0; i < pagesize; ++i)
+    if (*(data + i) != *(data3 + i))
+      return 14;
+  close (fd);
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_run "$LINENO"; then :
+  ac_cv_func_mmap_fixed_mapped=yes
+else
+  ac_cv_func_mmap_fixed_mapped=no
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_mmap_fixed_mapped" >&5
+$as_echo "$ac_cv_func_mmap_fixed_mapped" >&6; }
+if test $ac_cv_func_mmap_fixed_mapped = yes; then
+
+$as_echo "#define HAVE_MMAP 1" >>confdefs.h
+
+fi
+rm -f conftest.mmap conftest.txt
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking return type of signal handlers" >&5
+$as_echo_n "checking return type of signal handlers... " >&6; }
+if test "${ac_cv_type_signal+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <sys/types.h>
+#include <signal.h>
+
+int
+main ()
+{
+return *(signal (0, 0)) (0) == 1;
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_cv_type_signal=int
+else
+  ac_cv_type_signal=void
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_type_signal" >&5
+$as_echo "$ac_cv_type_signal" >&6; }
+
+cat >>confdefs.h <<_ACEOF
+#define RETSIGTYPE $ac_cv_type_signal
+_ACEOF
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether lstat correctly handles trailing slash" >&5
+$as_echo_n "checking whether lstat correctly handles trailing slash... " >&6; }
+if test "${ac_cv_func_lstat_dereferences_slashed_symlink+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  rm -f conftest.sym conftest.file
+echo >conftest.file
+if test "$as_ln_s" = "ln -s" && ln -s conftest.file conftest.sym; then
+  if test "$cross_compiling" = yes; then :
+  ac_cv_func_lstat_dereferences_slashed_symlink=no
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main ()
+{
+struct stat sbuf;
+     /* Linux will dereference the symlink and fail, as required by POSIX.
+	That is better in the sense that it means we will not
+	have to compile and use the lstat wrapper.  */
+     return lstat ("conftest.sym/", &sbuf) == 0;
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_run "$LINENO"; then :
+  ac_cv_func_lstat_dereferences_slashed_symlink=yes
+else
+  ac_cv_func_lstat_dereferences_slashed_symlink=no
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+else
+  # If the `ln -s' command failed, then we probably don't even
+  # have an lstat function.
+  ac_cv_func_lstat_dereferences_slashed_symlink=no
+fi
+rm -f conftest.sym conftest.file
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_lstat_dereferences_slashed_symlink" >&5
+$as_echo "$ac_cv_func_lstat_dereferences_slashed_symlink" >&6; }
+
+test $ac_cv_func_lstat_dereferences_slashed_symlink = yes &&
+
+cat >>confdefs.h <<_ACEOF
+#define LSTAT_FOLLOWS_SLASHED_SYMLINK 1
+_ACEOF
+
+
+if test "x$ac_cv_func_lstat_dereferences_slashed_symlink" = xno; then
+  case " $LIBOBJS " in
+  *" lstat.$ac_objext "* ) ;;
+  *) LIBOBJS="$LIBOBJS lstat.$ac_objext"
+ ;;
+esac
+
+fi
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether stat accepts an empty string" >&5
+$as_echo_n "checking whether stat accepts an empty string... " >&6; }
+if test "${ac_cv_func_stat_empty_string_bug+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test "$cross_compiling" = yes; then :
+  ac_cv_func_stat_empty_string_bug=yes
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main ()
+{
+struct stat sbuf;
+  return stat ("", &sbuf) == 0;
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_run "$LINENO"; then :
+  ac_cv_func_stat_empty_string_bug=no
+else
+  ac_cv_func_stat_empty_string_bug=yes
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_stat_empty_string_bug" >&5
+$as_echo "$ac_cv_func_stat_empty_string_bug" >&6; }
+if test $ac_cv_func_stat_empty_string_bug = yes; then
+  case " $LIBOBJS " in
+  *" stat.$ac_objext "* ) ;;
+  *) LIBOBJS="$LIBOBJS stat.$ac_objext"
+ ;;
+esac
+
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_STAT_EMPTY_STRING_BUG 1
+_ACEOF
+
+fi
+
+for ac_func in memset memmove munmap nl_langinfo setenv setlocale socket strcasecmp strchr strstr strtol
+do :
+  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
+ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
+eval as_val=\$$as_ac_var
+   if test "x$as_val" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
+_ACEOF
+
+else
+  as_fn_error "required lib function is missing!" "$LINENO" 5
+fi
+done
+
+
+GPM_WARN=
+if test x"$GPM" != xno; then
+	for ac_header in gpm.h
+do :
+  ac_fn_c_check_header_mongrel "$LINENO" "gpm.h" "ac_cv_header_gpm_h" "$ac_includes_default"
+if test "x$ac_cv_header_gpm_h" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_GPM_H 1
+_ACEOF
+
+fi
+
+done
+
+	if test x"$GPM" = xauto; then
+		GPM="$ac_cv_header_gpm_h"
+		[ "$GPM" = "no" ] && GPM_WARN=yes
+	elif test x"$ac_cv_header_gpm_h" != xyes; then
+		as_fn_error "can't find gpm.h required by gpm mouse support!" "$LINENO" 5
+	fi
+fi
+
+VESA_WARN=
+if test x"$VESA" != xno; then
+	for ac_header in libx86.h
+do :
+  ac_fn_c_check_header_mongrel "$LINENO" "libx86.h" "ac_cv_header_libx86_h" "$ac_includes_default"
+if test "x$ac_cv_header_libx86_h" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_LIBX86_H 1
+_ACEOF
+
+fi
+
+done
+
+	if test x"$VESA" = xauto; then
+		VESA="$ac_cv_header_libx86_h"
+		[ "$VESA" = "no" ] && VESA_WARN=yes
+	elif test x"$ac_cv_header_libx86_h" != xyes; then
+		as_fn_error "can't find libx86.h required by VESA video card support!" "$LINENO" 5
+	fi
+fi
+
+if test x"$EPOLL" = xauto -a x"$cross_compiling" = xno; then
+  if test "$cross_compiling" = yes; then :
+  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error "cannot run test program while cross compiling
+See \`config.log' for more details." "$LINENO" 5; }
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <sys/epoll.h>
+int
+main ()
+{
+if (epoll_create(10) >= 0) return 0; return 1;
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_run "$LINENO"; then :
+  EPOLL=yes
+
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+fi
+
+if test x"$SIGNALFD" = xauto -a x"$cross_compiling" = xno; then
+  if test "$cross_compiling" = yes; then :
+  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error "cannot run test program while cross compiling
+See \`config.log' for more details." "$LINENO" 5; }
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <sys/signalfd.h>
+int
+main ()
+{
+sigset_t mask; if (signalfd(-1, &mask, 0) >= 0) return 0; return 1;
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_run "$LINENO"; then :
+  SIGNALFD=yes
+
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+fi
+
+ if test x"$VESA" = xyes; then
+  VESA_TRUE=
+  VESA_FALSE='#'
+else
+  VESA_TRUE='#'
+  VESA_FALSE=
+fi
+
+
+x86_LIBS=
+[ "$VESA" = "yes" ] && x86_LIBS="-lx86"
+X86_LIBS="$x86_LIBS"
+
+
+
+
+
+
+
+[ "$GPM" = "yes" ] && $as_echo "#define ENABLE_GPM 1" >>confdefs.h
+
+[ "$VESA" = "yes" ] && $as_echo "#define ENABLE_VESA 1" >>confdefs.h
+
+[ "$EPOLL" = "yes" ] && $as_echo "#define HAVE_EPOLL 1" >>confdefs.h
+
+[ "$SIGNALFD" = "yes" ] && $as_echo "#define HAVE_SIGNALFD 1" >>confdefs.h
+
+
+ac_config_files="$ac_config_files Makefile src/Makefile src/lib/Makefile im/Makefile terminfo/Makefile doc/Makefile doc/fbterm.1"
+
+ac_config_links="$ac_config_links im/input_key.h:src/input_key.h im/immessage.h:src/immessage.h"
+
+cat >confcache <<\_ACEOF
+# This file is a shell script that caches the results of configure
+# tests run on this system so they can be shared between configure
+# scripts and configure runs, see configure's option --config-cache.
+# It is not useful on other systems.  If it contains results you don't
+# want to keep, you may remove or edit it.
+#
+# config.status only pays attention to the cache file if you give it
+# the --recheck option to rerun configure.
+#
+# `ac_cv_env_foo' variables (set or unset) will be overridden when
+# loading this file, other *unset* `ac_cv_foo' will be assigned the
+# following values.
+
+_ACEOF
+
+# The following way of writing the cache mishandles newlines in values,
+# but we know of no workaround that is simple, portable, and efficient.
+# So, we kill variables containing newlines.
+# Ultrix sh set writes to stderr and can't be redirected directly,
+# and sets the high bit in the cache file unless we assign to the vars.
+(
+  for ac_var in `(set) 2>&1 | sed -n 's/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'`; do
+    eval ac_val=\$$ac_var
+    case $ac_val in #(
+    *${as_nl}*)
+      case $ac_var in #(
+      *_cv_*) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5
+$as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
+      esac
+      case $ac_var in #(
+      _ | IFS | as_nl) ;; #(
+      BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #(
+      *) { eval $ac_var=; unset $ac_var;} ;;
+      esac ;;
+    esac
+  done
+
+  (set) 2>&1 |
+    case $as_nl`(ac_space=' '; set) 2>&1` in #(
+    *${as_nl}ac_space=\ *)
+      # `set' does not quote correctly, so add quotes: double-quote
+      # substitution turns \\\\ into \\, and sed turns \\ into \.
+      sed -n \
+	"s/'/'\\\\''/g;
+	  s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\\2'/p"
+      ;; #(
+    *)
+      # `set' quotes correctly as required by POSIX, so do not add quotes.
+      sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p"
+      ;;
+    esac |
+    sort
+) |
+  sed '
+     /^ac_cv_env_/b end
+     t clear
+     :clear
+     s/^\([^=]*\)=\(.*[{}].*\)$/test "${\1+set}" = set || &/
+     t end
+     s/^\([^=]*\)=\(.*\)$/\1=${\1=\2}/
+     :end' >>confcache
+if diff "$cache_file" confcache >/dev/null 2>&1; then :; else
+  if test -w "$cache_file"; then
+    test "x$cache_file" != "x/dev/null" &&
+      { $as_echo "$as_me:${as_lineno-$LINENO}: updating cache $cache_file" >&5
+$as_echo "$as_me: updating cache $cache_file" >&6;}
+    cat confcache >$cache_file
+  else
+    { $as_echo "$as_me:${as_lineno-$LINENO}: not updating unwritable cache $cache_file" >&5
+$as_echo "$as_me: not updating unwritable cache $cache_file" >&6;}
+  fi
+fi
+rm -f confcache
+
+test "x$prefix" = xNONE && prefix=$ac_default_prefix
+# Let make expand exec_prefix.
+test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'
+
+DEFS=-DHAVE_CONFIG_H
+
+ac_libobjs=
+ac_ltlibobjs=
+for ac_i in : $LIBOBJS; do test "x$ac_i" = x: && continue
+  # 1. Remove the extension, and $U if already installed.
+  ac_script='s/\$U\././;s/\.o$//;s/\.obj$//'
+  ac_i=`$as_echo "$ac_i" | sed "$ac_script"`
+  # 2. Prepend LIBOBJDIR.  When used with automake>=1.10 LIBOBJDIR
+  #    will be set to the directory where LIBOBJS objects are built.
+  as_fn_append ac_libobjs " \${LIBOBJDIR}$ac_i\$U.$ac_objext"
+  as_fn_append ac_ltlibobjs " \${LIBOBJDIR}$ac_i"'$U.lo'
+done
+LIBOBJS=$ac_libobjs
+
+LTLIBOBJS=$ac_ltlibobjs
+
+
+ if test -n "$EXEEXT"; then
+  am__EXEEXT_TRUE=
+  am__EXEEXT_FALSE='#'
+else
+  am__EXEEXT_TRUE='#'
+  am__EXEEXT_FALSE=
+fi
+
+if test -z "${AMDEP_TRUE}" && test -z "${AMDEP_FALSE}"; then
+  as_fn_error "conditional \"AMDEP\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${am__fastdepCXX_TRUE}" && test -z "${am__fastdepCXX_FALSE}"; then
+  as_fn_error "conditional \"am__fastdepCXX\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${am__fastdepCC_TRUE}" && test -z "${am__fastdepCC_FALSE}"; then
+  as_fn_error "conditional \"am__fastdepCC\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${VESA_TRUE}" && test -z "${VESA_FALSE}"; then
+  as_fn_error "conditional \"VESA\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+
+: ${CONFIG_STATUS=./config.status}
+ac_write_fail=0
+ac_clean_files_save=$ac_clean_files
+ac_clean_files="$ac_clean_files $CONFIG_STATUS"
+{ $as_echo "$as_me:${as_lineno-$LINENO}: creating $CONFIG_STATUS" >&5
+$as_echo "$as_me: creating $CONFIG_STATUS" >&6;}
+as_write_fail=0
+cat >$CONFIG_STATUS <<_ASEOF || as_write_fail=1
+#! $SHELL
+# Generated by $as_me.
+# Run this file to recreate the current configuration.
+# Compiler output produced by configure, useful for debugging
+# configure, is in config.log if it exists.
+
+debug=false
+ac_cs_recheck=false
+ac_cs_silent=false
+
+SHELL=\${CONFIG_SHELL-$SHELL}
+export SHELL
+_ASEOF
+cat >>$CONFIG_STATUS <<\_ASEOF || as_write_fail=1
+## -------------------- ##
+## M4sh Initialization. ##
+## -------------------- ##
+
+# Be more Bourne compatible
+DUALCASE=1; export DUALCASE # for MKS sh
+if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then :
+  emulate sh
+  NULLCMD=:
+  # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
+  # is contrary to our usage.  Disable this feature.
+  alias -g '${1+"$@"}'='"$@"'
+  setopt NO_GLOB_SUBST
+else
+  case `(set -o) 2>/dev/null` in #(
+  *posix*) :
+    set -o posix ;; #(
+  *) :
+     ;;
+esac
+fi
+
+
+as_nl='
+'
+export as_nl
+# Printing a long string crashes Solaris 7 /usr/bin/printf.
+as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
+as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo
+as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo
+# Prefer a ksh shell builtin over an external printf program on Solaris,
+# but without wasting forks for bash or zsh.
+if test -z "$BASH_VERSION$ZSH_VERSION" \
+    && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then
+  as_echo='print -r --'
+  as_echo_n='print -rn --'
+elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then
+  as_echo='printf %s\n'
+  as_echo_n='printf %s'
+else
+  if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then
+    as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"'
+    as_echo_n='/usr/ucb/echo -n'
+  else
+    as_echo_body='eval expr "X$1" : "X\\(.*\\)"'
+    as_echo_n_body='eval
+      arg=$1;
+      case $arg in #(
+      *"$as_nl"*)
+	expr "X$arg" : "X\\(.*\\)$as_nl";
+	arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;;
+      esac;
+      expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl"
+    '
+    export as_echo_n_body
+    as_echo_n='sh -c $as_echo_n_body as_echo'
+  fi
+  export as_echo_body
+  as_echo='sh -c $as_echo_body as_echo'
+fi
+
+# The user is always right.
+if test "${PATH_SEPARATOR+set}" != set; then
+  PATH_SEPARATOR=:
+  (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && {
+    (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 ||
+      PATH_SEPARATOR=';'
+  }
+fi
+
+
+# IFS
+# We need space, tab and new line, in precisely that order.  Quoting is
+# there to prevent editors from complaining about space-tab.
+# (If _AS_PATH_WALK were called with IFS unset, it would disable word
+# splitting by setting IFS to empty value.)
+IFS=" ""	$as_nl"
+
+# Find who we are.  Look in the path if we contain no directory separator.
+case $0 in #((
+  *[\\/]* ) as_myself=$0 ;;
+  *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
+  done
+IFS=$as_save_IFS
+
+     ;;
+esac
+# We did not find ourselves, most probably we were run as `sh COMMAND'
+# in which case we are not to be found in the path.
+if test "x$as_myself" = x; then
+  as_myself=$0
+fi
+if test ! -f "$as_myself"; then
+  $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
+  exit 1
+fi
+
+# Unset variables that we do not need and which cause bugs (e.g. in
+# pre-3.0 UWIN ksh).  But do not cause bugs in bash 2.01; the "|| exit 1"
+# suppresses any "Segmentation fault" message there.  '((' could
+# trigger a bug in pdksh 5.2.14.
+for as_var in BASH_ENV ENV MAIL MAILPATH
+do eval test x\${$as_var+set} = xset \
+  && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || :
+done
+PS1='$ '
+PS2='> '
+PS4='+ '
+
+# NLS nuisances.
+LC_ALL=C
+export LC_ALL
+LANGUAGE=C
+export LANGUAGE
+
+# CDPATH.
+(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
+
+
+# as_fn_error ERROR [LINENO LOG_FD]
+# ---------------------------------
+# Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are
+# provided, also output the error to LOG_FD, referencing LINENO. Then exit the
+# script with status $?, using 1 if that was 0.
+as_fn_error ()
+{
+  as_status=$?; test $as_status -eq 0 && as_status=1
+  if test "$3"; then
+    as_lineno=${as_lineno-"$2"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+    $as_echo "$as_me:${as_lineno-$LINENO}: error: $1" >&$3
+  fi
+  $as_echo "$as_me: error: $1" >&2
+  as_fn_exit $as_status
+} # as_fn_error
+
+
+# as_fn_set_status STATUS
+# -----------------------
+# Set $? to STATUS, without forking.
+as_fn_set_status ()
+{
+  return $1
+} # as_fn_set_status
+
+# as_fn_exit STATUS
+# -----------------
+# Exit the shell with STATUS, even in a "trap 0" or "set -e" context.
+as_fn_exit ()
+{
+  set +e
+  as_fn_set_status $1
+  exit $1
+} # as_fn_exit
+
+# as_fn_unset VAR
+# ---------------
+# Portably unset VAR.
+as_fn_unset ()
+{
+  { eval $1=; unset $1;}
+}
+as_unset=as_fn_unset
+# as_fn_append VAR VALUE
+# ----------------------
+# Append the text in VALUE to the end of the definition contained in VAR. Take
+# advantage of any shell optimizations that allow amortized linear growth over
+# repeated appends, instead of the typical quadratic growth present in naive
+# implementations.
+if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null; then :
+  eval 'as_fn_append ()
+  {
+    eval $1+=\$2
+  }'
+else
+  as_fn_append ()
+  {
+    eval $1=\$$1\$2
+  }
+fi # as_fn_append
+
+# as_fn_arith ARG...
+# ------------------
+# Perform arithmetic evaluation on the ARGs, and store the result in the
+# global $as_val. Take advantage of shells that can avoid forks. The arguments
+# must be portable across $(()) and expr.
+if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then :
+  eval 'as_fn_arith ()
+  {
+    as_val=$(( $* ))
+  }'
+else
+  as_fn_arith ()
+  {
+    as_val=`expr "$@" || test $? -eq 1`
+  }
+fi # as_fn_arith
+
+
+if expr a : '\(a\)' >/dev/null 2>&1 &&
+   test "X`expr 00001 : '.*\(...\)'`" = X001; then
+  as_expr=expr
+else
+  as_expr=false
+fi
+
+if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then
+  as_basename=basename
+else
+  as_basename=false
+fi
+
+if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then
+  as_dirname=dirname
+else
+  as_dirname=false
+fi
+
+as_me=`$as_basename -- "$0" ||
+$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
+	 X"$0" : 'X\(//\)$' \| \
+	 X"$0" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X/"$0" |
+    sed '/^.*\/\([^/][^/]*\)\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\/\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\/\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+
+# Avoid depending upon Character Ranges.
+as_cr_letters='abcdefghijklmnopqrstuvwxyz'
+as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
+as_cr_Letters=$as_cr_letters$as_cr_LETTERS
+as_cr_digits='0123456789'
+as_cr_alnum=$as_cr_Letters$as_cr_digits
+
+ECHO_C= ECHO_N= ECHO_T=
+case `echo -n x` in #(((((
+-n*)
+  case `echo 'xy\c'` in
+  *c*) ECHO_T='	';;	# ECHO_T is single tab character.
+  xy)  ECHO_C='\c';;
+  *)   echo `echo ksh88 bug on AIX 6.1` > /dev/null
+       ECHO_T='	';;
+  esac;;
+*)
+  ECHO_N='-n';;
+esac
+
+rm -f conf$$ conf$$.exe conf$$.file
+if test -d conf$$.dir; then
+  rm -f conf$$.dir/conf$$.file
+else
+  rm -f conf$$.dir
+  mkdir conf$$.dir 2>/dev/null
+fi
+if (echo >conf$$.file) 2>/dev/null; then
+  if ln -s conf$$.file conf$$ 2>/dev/null; then
+    as_ln_s='ln -s'
+    # ... but there are two gotchas:
+    # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
+    # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
+    # In both cases, we have to default to `cp -p'.
+    ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
+      as_ln_s='cp -p'
+  elif ln conf$$.file conf$$ 2>/dev/null; then
+    as_ln_s=ln
+  else
+    as_ln_s='cp -p'
+  fi
+else
+  as_ln_s='cp -p'
+fi
+rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file
+rmdir conf$$.dir 2>/dev/null
+
+
+# as_fn_mkdir_p
+# -------------
+# Create "$as_dir" as a directory, including parents if necessary.
+as_fn_mkdir_p ()
+{
+
+  case $as_dir in #(
+  -*) as_dir=./$as_dir;;
+  esac
+  test -d "$as_dir" || eval $as_mkdir_p || {
+    as_dirs=
+    while :; do
+      case $as_dir in #(
+      *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(
+      *) as_qdir=$as_dir;;
+      esac
+      as_dirs="'$as_qdir' $as_dirs"
+      as_dir=`$as_dirname -- "$as_dir" ||
+$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+	 X"$as_dir" : 'X\(//\)[^/]' \| \
+	 X"$as_dir" : 'X\(//\)$' \| \
+	 X"$as_dir" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X"$as_dir" |
+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)[^/].*/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+      test -d "$as_dir" && break
+    done
+    test -z "$as_dirs" || eval "mkdir $as_dirs"
+  } || test -d "$as_dir" || as_fn_error "cannot create directory $as_dir"
+
+
+} # as_fn_mkdir_p
+if mkdir -p . 2>/dev/null; then
+  as_mkdir_p='mkdir -p "$as_dir"'
+else
+  test -d ./-p && rmdir ./-p
+  as_mkdir_p=false
+fi
+
+if test -x / >/dev/null 2>&1; then
+  as_test_x='test -x'
+else
+  if ls -dL / >/dev/null 2>&1; then
+    as_ls_L_option=L
+  else
+    as_ls_L_option=
+  fi
+  as_test_x='
+    eval sh -c '\''
+      if test -d "$1"; then
+	test -d "$1/.";
+      else
+	case $1 in #(
+	-*)set "./$1";;
+	esac;
+	case `ls -ld'$as_ls_L_option' "$1" 2>/dev/null` in #((
+	???[sx]*):;;*)false;;esac;fi
+    '\'' sh
+  '
+fi
+as_executable_p=$as_test_x
+
+# Sed expression to map a string onto a valid CPP name.
+as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"
+
+# Sed expression to map a string onto a valid variable name.
+as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'"
+
+
+exec 6>&1
+## ----------------------------------- ##
+## Main body of $CONFIG_STATUS script. ##
+## ----------------------------------- ##
+_ASEOF
+test $as_write_fail = 0 && chmod +x $CONFIG_STATUS || ac_write_fail=1
+
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+# Save the log message, to keep $0 and so on meaningful, and to
+# report actual input values of CONFIG_FILES etc. instead of their
+# values after options handling.
+ac_log="
+This file was extended by FbTerm $as_me 1.7, which was
+generated by GNU Autoconf 2.65.  Invocation command line was
+
+  CONFIG_FILES    = $CONFIG_FILES
+  CONFIG_HEADERS  = $CONFIG_HEADERS
+  CONFIG_LINKS    = $CONFIG_LINKS
+  CONFIG_COMMANDS = $CONFIG_COMMANDS
+  $ $0 $@
+
+on `(hostname || uname -n) 2>/dev/null | sed 1q`
+"
+
+_ACEOF
+
+case $ac_config_files in *"
+"*) set x $ac_config_files; shift; ac_config_files=$*;;
+esac
+
+case $ac_config_headers in *"
+"*) set x $ac_config_headers; shift; ac_config_headers=$*;;
+esac
+
+
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+# Files that config.status was made for.
+config_files="$ac_config_files"
+config_headers="$ac_config_headers"
+config_links="$ac_config_links"
+config_commands="$ac_config_commands"
+
+_ACEOF
+
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+ac_cs_usage="\
+\`$as_me' instantiates files and other configuration actions
+from templates according to the current configuration.  Unless the files
+and actions are specified as TAGs, all are instantiated by default.
+
+Usage: $0 [OPTION]... [TAG]...
+
+  -h, --help       print this help, then exit
+  -V, --version    print version number and configuration settings, then exit
+      --config     print configuration, then exit
+  -q, --quiet, --silent
+                   do not print progress messages
+  -d, --debug      don't remove temporary files
+      --recheck    update $as_me by reconfiguring in the same conditions
+      --file=FILE[:TEMPLATE]
+                   instantiate the configuration file FILE
+      --header=FILE[:TEMPLATE]
+                   instantiate the configuration header FILE
+
+Configuration files:
+$config_files
+
+Configuration headers:
+$config_headers
+
+Configuration links:
+$config_links
+
+Configuration commands:
+$config_commands
+
+Report bugs to the package provider."
+
+_ACEOF
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
+ac_cs_version="\\
+FbTerm config.status 1.7
+configured by $0, generated by GNU Autoconf 2.65,
+  with options \\"\$ac_cs_config\\"
+
+Copyright (C) 2009 Free Software Foundation, Inc.
+This config.status script is free software; the Free Software Foundation
+gives unlimited permission to copy, distribute and modify it."
+
+ac_pwd='$ac_pwd'
+srcdir='$srcdir'
+INSTALL='$INSTALL'
+MKDIR_P='$MKDIR_P'
+AWK='$AWK'
+test -n "\$AWK" || AWK=awk
+_ACEOF
+
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+# The default lists apply if the user does not specify any file.
+ac_need_defaults=:
+while test $# != 0
+do
+  case $1 in
+  --*=*)
+    ac_option=`expr "X$1" : 'X\([^=]*\)='`
+    ac_optarg=`expr "X$1" : 'X[^=]*=\(.*\)'`
+    ac_shift=:
+    ;;
+  *)
+    ac_option=$1
+    ac_optarg=$2
+    ac_shift=shift
+    ;;
+  esac
+
+  case $ac_option in
+  # Handling of the options.
+  -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r)
+    ac_cs_recheck=: ;;
+  --version | --versio | --versi | --vers | --ver | --ve | --v | -V )
+    $as_echo "$ac_cs_version"; exit ;;
+  --config | --confi | --conf | --con | --co | --c )
+    $as_echo "$ac_cs_config"; exit ;;
+  --debug | --debu | --deb | --de | --d | -d )
+    debug=: ;;
+  --file | --fil | --fi | --f )
+    $ac_shift
+    case $ac_optarg in
+    *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;;
+    esac
+    as_fn_append CONFIG_FILES " '$ac_optarg'"
+    ac_need_defaults=false;;
+  --header | --heade | --head | --hea )
+    $ac_shift
+    case $ac_optarg in
+    *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;;
+    esac
+    as_fn_append CONFIG_HEADERS " '$ac_optarg'"
+    ac_need_defaults=false;;
+  --he | --h)
+    # Conflict between --help and --header
+    as_fn_error "ambiguous option: \`$1'
+Try \`$0 --help' for more information.";;
+  --help | --hel | -h )
+    $as_echo "$ac_cs_usage"; exit ;;
+  -q | -quiet | --quiet | --quie | --qui | --qu | --q \
+  | -silent | --silent | --silen | --sile | --sil | --si | --s)
+    ac_cs_silent=: ;;
+
+  # This is an error.
+  -*) as_fn_error "unrecognized option: \`$1'
+Try \`$0 --help' for more information." ;;
+
+  *) as_fn_append ac_config_targets " $1"
+     ac_need_defaults=false ;;
+
+  esac
+  shift
+done
+
+ac_configure_extra_args=
+
+if $ac_cs_silent; then
+  exec 6>/dev/null
+  ac_configure_extra_args="$ac_configure_extra_args --silent"
+fi
+
+_ACEOF
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+if \$ac_cs_recheck; then
+  set X '$SHELL' '$0' $ac_configure_args \$ac_configure_extra_args --no-create --no-recursion
+  shift
+  \$as_echo "running CONFIG_SHELL=$SHELL \$*" >&6
+  CONFIG_SHELL='$SHELL'
+  export CONFIG_SHELL
+  exec "\$@"
+fi
+
+_ACEOF
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+exec 5>>config.log
+{
+  echo
+  sed 'h;s/./-/g;s/^.../## /;s/...$/ ##/;p;x;p;x' <<_ASBOX
+## Running $as_me. ##
+_ASBOX
+  $as_echo "$ac_log"
+} >&5
+
+_ACEOF
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+#
+# INIT-COMMANDS
+#
+AMDEP_TRUE="$AMDEP_TRUE" ac_aux_dir="$ac_aux_dir"
+
+_ACEOF
+
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+
+# Handling of arguments.
+for ac_config_target in $ac_config_targets
+do
+  case $ac_config_target in
+    "config.h") CONFIG_HEADERS="$CONFIG_HEADERS config.h" ;;
+    "depfiles") CONFIG_COMMANDS="$CONFIG_COMMANDS depfiles" ;;
+    "Makefile") CONFIG_FILES="$CONFIG_FILES Makefile" ;;
+    "src/Makefile") CONFIG_FILES="$CONFIG_FILES src/Makefile" ;;
+    "src/lib/Makefile") CONFIG_FILES="$CONFIG_FILES src/lib/Makefile" ;;
+    "im/Makefile") CONFIG_FILES="$CONFIG_FILES im/Makefile" ;;
+    "terminfo/Makefile") CONFIG_FILES="$CONFIG_FILES terminfo/Makefile" ;;
+    "doc/Makefile") CONFIG_FILES="$CONFIG_FILES doc/Makefile" ;;
+    "doc/fbterm.1") CONFIG_FILES="$CONFIG_FILES doc/fbterm.1" ;;
+    "im/input_key.h") CONFIG_LINKS="$CONFIG_LINKS im/input_key.h:src/input_key.h" ;;
+    "im/immessage.h") CONFIG_LINKS="$CONFIG_LINKS im/immessage.h:src/immessage.h" ;;
+
+  *) as_fn_error "invalid argument: \`$ac_config_target'" "$LINENO" 5;;
+  esac
+done
+
+
+# If the user did not use the arguments to specify the items to instantiate,
+# then the envvar interface is used.  Set only those that are not.
+# We use the long form for the default assignment because of an extremely
+# bizarre bug on SunOS 4.1.3.
+if $ac_need_defaults; then
+  test "${CONFIG_FILES+set}" = set || CONFIG_FILES=$config_files
+  test "${CONFIG_HEADERS+set}" = set || CONFIG_HEADERS=$config_headers
+  test "${CONFIG_LINKS+set}" = set || CONFIG_LINKS=$config_links
+  test "${CONFIG_COMMANDS+set}" = set || CONFIG_COMMANDS=$config_commands
+fi
+
+# Have a temporary directory for convenience.  Make it in the build tree
+# simply because there is no reason against having it here, and in addition,
+# creating and moving files from /tmp can sometimes cause problems.
+# Hook for its removal unless debugging.
+# Note that there is a small window in which the directory will not be cleaned:
+# after its creation but before its name has been assigned to `$tmp'.
+$debug ||
+{
+  tmp=
+  trap 'exit_status=$?
+  { test -z "$tmp" || test ! -d "$tmp" || rm -fr "$tmp"; } && exit $exit_status
+' 0
+  trap 'as_fn_exit 1' 1 2 13 15
+}
+# Create a (secure) tmp directory for tmp files.
+
+{
+  tmp=`(umask 077 && mktemp -d "./confXXXXXX") 2>/dev/null` &&
+  test -n "$tmp" && test -d "$tmp"
+}  ||
+{
+  tmp=./conf$$-$RANDOM
+  (umask 077 && mkdir "$tmp")
+} || as_fn_error "cannot create a temporary directory in ." "$LINENO" 5
+
+# Set up the scripts for CONFIG_FILES section.
+# No need to generate them if there are no CONFIG_FILES.
+# This happens for instance with `./config.status config.h'.
+if test -n "$CONFIG_FILES"; then
+
+
+ac_cr=`echo X | tr X '\015'`
+# On cygwin, bash can eat \r inside `` if the user requested igncr.
+# But we know of no other shell where ac_cr would be empty at this
+# point, so we can use a bashism as a fallback.
+if test "x$ac_cr" = x; then
+  eval ac_cr=\$\'\\r\'
+fi
+ac_cs_awk_cr=`$AWK 'BEGIN { print "a\rb" }' </dev/null 2>/dev/null`
+if test "$ac_cs_awk_cr" = "a${ac_cr}b"; then
+  ac_cs_awk_cr='\r'
+else
+  ac_cs_awk_cr=$ac_cr
+fi
+
+echo 'BEGIN {' >"$tmp/subs1.awk" &&
+_ACEOF
+
+
+{
+  echo "cat >conf$$subs.awk <<_ACEOF" &&
+  echo "$ac_subst_vars" | sed 's/.*/&!$&$ac_delim/' &&
+  echo "_ACEOF"
+} >conf$$subs.sh ||
+  as_fn_error "could not make $CONFIG_STATUS" "$LINENO" 5
+ac_delim_num=`echo "$ac_subst_vars" | grep -c '$'`
+ac_delim='%!_!# '
+for ac_last_try in false false false false false :; do
+  . ./conf$$subs.sh ||
+    as_fn_error "could not make $CONFIG_STATUS" "$LINENO" 5
+
+  ac_delim_n=`sed -n "s/.*$ac_delim\$/X/p" conf$$subs.awk | grep -c X`
+  if test $ac_delim_n = $ac_delim_num; then
+    break
+  elif $ac_last_try; then
+    as_fn_error "could not make $CONFIG_STATUS" "$LINENO" 5
+  else
+    ac_delim="$ac_delim!$ac_delim _$ac_delim!! "
+  fi
+done
+rm -f conf$$subs.sh
+
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+cat >>"\$tmp/subs1.awk" <<\\_ACAWK &&
+_ACEOF
+sed -n '
+h
+s/^/S["/; s/!.*/"]=/
+p
+g
+s/^[^!]*!//
+:repl
+t repl
+s/'"$ac_delim"'$//
+t delim
+:nl
+h
+s/\(.\{148\}\)..*/\1/
+t more1
+s/["\\]/\\&/g; s/^/"/; s/$/\\n"\\/
+p
+n
+b repl
+:more1
+s/["\\]/\\&/g; s/^/"/; s/$/"\\/
+p
+g
+s/.\{148\}//
+t nl
+:delim
+h
+s/\(.\{148\}\)..*/\1/
+t more2
+s/["\\]/\\&/g; s/^/"/; s/$/"/
+p
+b
+:more2
+s/["\\]/\\&/g; s/^/"/; s/$/"\\/
+p
+g
+s/.\{148\}//
+t delim
+' <conf$$subs.awk | sed '
+/^[^""]/{
+  N
+  s/\n//
+}
+' >>$CONFIG_STATUS || ac_write_fail=1
+rm -f conf$$subs.awk
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+_ACAWK
+cat >>"\$tmp/subs1.awk" <<_ACAWK &&
+  for (key in S) S_is_set[key] = 1
+  FS = ""
+
+}
+{
+  line = $ 0
+  nfields = split(line, field, "@")
+  substed = 0
+  len = length(field[1])
+  for (i = 2; i < nfields; i++) {
+    key = field[i]
+    keylen = length(key)
+    if (S_is_set[key]) {
+      value = S[key]
+      line = substr(line, 1, len) "" value "" substr(line, len + keylen + 3)
+      len += length(value) + length(field[++i])
+      substed = 1
+    } else
+      len += 1 + keylen
+  }
+
+  print line
+}
+
+_ACAWK
+_ACEOF
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+if sed "s/$ac_cr//" < /dev/null > /dev/null 2>&1; then
+  sed "s/$ac_cr\$//; s/$ac_cr/$ac_cs_awk_cr/g"
+else
+  cat
+fi < "$tmp/subs1.awk" > "$tmp/subs.awk" \
+  || as_fn_error "could not setup config files machinery" "$LINENO" 5
+_ACEOF
+
+# VPATH may cause trouble with some makes, so we remove $(srcdir),
+# ${srcdir} and @srcdir@ from VPATH if srcdir is ".", strip leading and
+# trailing colons and then remove the whole line if VPATH becomes empty
+# (actually we leave an empty line to preserve line numbers).
+if test "x$srcdir" = x.; then
+  ac_vpsub='/^[	 ]*VPATH[	 ]*=/{
+s/:*\$(srcdir):*/:/
+s/:*\${srcdir}:*/:/
+s/:*@srcdir@:*/:/
+s/^\([^=]*=[	 ]*\):*/\1/
+s/:*$//
+s/^[^=]*=[	 ]*$//
+}'
+fi
+
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+fi # test -n "$CONFIG_FILES"
+
+# Set up the scripts for CONFIG_HEADERS section.
+# No need to generate them if there are no CONFIG_HEADERS.
+# This happens for instance with `./config.status Makefile'.
+if test -n "$CONFIG_HEADERS"; then
+cat >"$tmp/defines.awk" <<\_ACAWK ||
+BEGIN {
+_ACEOF
+
+# Transform confdefs.h into an awk script `defines.awk', embedded as
+# here-document in config.status, that substitutes the proper values into
+# config.h.in to produce config.h.
+
+# Create a delimiter string that does not exist in confdefs.h, to ease
+# handling of long lines.
+ac_delim='%!_!# '
+for ac_last_try in false false :; do
+  ac_t=`sed -n "/$ac_delim/p" confdefs.h`
+  if test -z "$ac_t"; then
+    break
+  elif $ac_last_try; then
+    as_fn_error "could not make $CONFIG_HEADERS" "$LINENO" 5
+  else
+    ac_delim="$ac_delim!$ac_delim _$ac_delim!! "
+  fi
+done
+
+# For the awk script, D is an array of macro values keyed by name,
+# likewise P contains macro parameters if any.  Preserve backslash
+# newline sequences.
+
+ac_word_re=[_$as_cr_Letters][_$as_cr_alnum]*
+sed -n '
+s/.\{148\}/&'"$ac_delim"'/g
+t rset
+:rset
+s/^[	 ]*#[	 ]*define[	 ][	 ]*/ /
+t def
+d
+:def
+s/\\$//
+t bsnl
+s/["\\]/\\&/g
+s/^ \('"$ac_word_re"'\)\(([^()]*)\)[	 ]*\(.*\)/P["\1"]="\2"\
+D["\1"]=" \3"/p
+s/^ \('"$ac_word_re"'\)[	 ]*\(.*\)/D["\1"]=" \2"/p
+d
+:bsnl
+s/["\\]/\\&/g
+s/^ \('"$ac_word_re"'\)\(([^()]*)\)[	 ]*\(.*\)/P["\1"]="\2"\
+D["\1"]=" \3\\\\\\n"\\/p
+t cont
+s/^ \('"$ac_word_re"'\)[	 ]*\(.*\)/D["\1"]=" \2\\\\\\n"\\/p
+t cont
+d
+:cont
+n
+s/.\{148\}/&'"$ac_delim"'/g
+t clear
+:clear
+s/\\$//
+t bsnlc
+s/["\\]/\\&/g; s/^/"/; s/$/"/p
+d
+:bsnlc
+s/["\\]/\\&/g; s/^/"/; s/$/\\\\\\n"\\/p
+b cont
+' <confdefs.h | sed '
+s/'"$ac_delim"'/"\\\
+"/g' >>$CONFIG_STATUS || ac_write_fail=1
+
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+  for (key in D) D_is_set[key] = 1
+  FS = ""
+}
+/^[\t ]*#[\t ]*(define|undef)[\t ]+$ac_word_re([\t (]|\$)/ {
+  line = \$ 0
+  split(line, arg, " ")
+  if (arg[1] == "#") {
+    defundef = arg[2]
+    mac1 = arg[3]
+  } else {
+    defundef = substr(arg[1], 2)
+    mac1 = arg[2]
+  }
+  split(mac1, mac2, "(") #)
+  macro = mac2[1]
+  prefix = substr(line, 1, index(line, defundef) - 1)
+  if (D_is_set[macro]) {
+    # Preserve the white space surrounding the "#".
+    print prefix "define", macro P[macro] D[macro]
+    next
+  } else {
+    # Replace #undef with comments.  This is necessary, for example,
+    # in the case of _POSIX_SOURCE, which is predefined and required
+    # on some systems where configure will not decide to define it.
+    if (defundef == "undef") {
+      print "/*", prefix defundef, macro, "*/"
+      next
+    }
+  }
+}
+{ print }
+_ACAWK
+_ACEOF
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+  as_fn_error "could not setup config headers machinery" "$LINENO" 5
+fi # test -n "$CONFIG_HEADERS"
+
+
+eval set X "  :F $CONFIG_FILES  :H $CONFIG_HEADERS  :L $CONFIG_LINKS  :C $CONFIG_COMMANDS"
+shift
+for ac_tag
+do
+  case $ac_tag in
+  :[FHLC]) ac_mode=$ac_tag; continue;;
+  esac
+  case $ac_mode$ac_tag in
+  :[FHL]*:*);;
+  :L* | :C*:*) as_fn_error "invalid tag \`$ac_tag'" "$LINENO" 5;;
+  :[FH]-) ac_tag=-:-;;
+  :[FH]*) ac_tag=$ac_tag:$ac_tag.in;;
+  esac
+  ac_save_IFS=$IFS
+  IFS=:
+  set x $ac_tag
+  IFS=$ac_save_IFS
+  shift
+  ac_file=$1
+  shift
+
+  case $ac_mode in
+  :L) ac_source=$1;;
+  :[FH])
+    ac_file_inputs=
+    for ac_f
+    do
+      case $ac_f in
+      -) ac_f="$tmp/stdin";;
+      *) # Look for the file first in the build tree, then in the source tree
+	 # (if the path is not absolute).  The absolute path cannot be DOS-style,
+	 # because $ac_f cannot contain `:'.
+	 test -f "$ac_f" ||
+	   case $ac_f in
+	   [\\/$]*) false;;
+	   *) test -f "$srcdir/$ac_f" && ac_f="$srcdir/$ac_f";;
+	   esac ||
+	   as_fn_error "cannot find input file: \`$ac_f'" "$LINENO" 5;;
+      esac
+      case $ac_f in *\'*) ac_f=`$as_echo "$ac_f" | sed "s/'/'\\\\\\\\''/g"`;; esac
+      as_fn_append ac_file_inputs " '$ac_f'"
+    done
+
+    # Let's still pretend it is `configure' which instantiates (i.e., don't
+    # use $as_me), people would be surprised to read:
+    #    /* config.h.  Generated by config.status.  */
+    configure_input='Generated from '`
+	  $as_echo "$*" | sed 's|^[^:]*/||;s|:[^:]*/|, |g'
+	`' by configure.'
+    if test x"$ac_file" != x-; then
+      configure_input="$ac_file.  $configure_input"
+      { $as_echo "$as_me:${as_lineno-$LINENO}: creating $ac_file" >&5
+$as_echo "$as_me: creating $ac_file" >&6;}
+    fi
+    # Neutralize special characters interpreted by sed in replacement strings.
+    case $configure_input in #(
+    *\&* | *\|* | *\\* )
+       ac_sed_conf_input=`$as_echo "$configure_input" |
+       sed 's/[\\\\&|]/\\\\&/g'`;; #(
+    *) ac_sed_conf_input=$configure_input;;
+    esac
+
+    case $ac_tag in
+    *:-:* | *:-) cat >"$tmp/stdin" \
+      || as_fn_error "could not create $ac_file" "$LINENO" 5 ;;
+    esac
+    ;;
+  esac
+
+  ac_dir=`$as_dirname -- "$ac_file" ||
+$as_expr X"$ac_file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+	 X"$ac_file" : 'X\(//\)[^/]' \| \
+	 X"$ac_file" : 'X\(//\)$' \| \
+	 X"$ac_file" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X"$ac_file" |
+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)[^/].*/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+  as_dir="$ac_dir"; as_fn_mkdir_p
+  ac_builddir=.
+
+case "$ac_dir" in
+.) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;;
+*)
+  ac_dir_suffix=/`$as_echo "$ac_dir" | sed 's|^\.[\\/]||'`
+  # A ".." for each directory in $ac_dir_suffix.
+  ac_top_builddir_sub=`$as_echo "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'`
+  case $ac_top_builddir_sub in
+  "") ac_top_builddir_sub=. ac_top_build_prefix= ;;
+  *)  ac_top_build_prefix=$ac_top_builddir_sub/ ;;
+  esac ;;
+esac
+ac_abs_top_builddir=$ac_pwd
+ac_abs_builddir=$ac_pwd$ac_dir_suffix
+# for backward compatibility:
+ac_top_builddir=$ac_top_build_prefix
+
+case $srcdir in
+  .)  # We are building in place.
+    ac_srcdir=.
+    ac_top_srcdir=$ac_top_builddir_sub
+    ac_abs_top_srcdir=$ac_pwd ;;
+  [\\/]* | ?:[\\/]* )  # Absolute name.
+    ac_srcdir=$srcdir$ac_dir_suffix;
+    ac_top_srcdir=$srcdir
+    ac_abs_top_srcdir=$srcdir ;;
+  *) # Relative name.
+    ac_srcdir=$ac_top_build_prefix$srcdir$ac_dir_suffix
+    ac_top_srcdir=$ac_top_build_prefix$srcdir
+    ac_abs_top_srcdir=$ac_pwd/$srcdir ;;
+esac
+ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix
+
+
+  case $ac_mode in
+  :F)
+  #
+  # CONFIG_FILE
+  #
+
+  case $INSTALL in
+  [\\/$]* | ?:[\\/]* ) ac_INSTALL=$INSTALL ;;
+  *) ac_INSTALL=$ac_top_build_prefix$INSTALL ;;
+  esac
+  ac_MKDIR_P=$MKDIR_P
+  case $MKDIR_P in
+  [\\/$]* | ?:[\\/]* ) ;;
+  */*) ac_MKDIR_P=$ac_top_build_prefix$MKDIR_P ;;
+  esac
+_ACEOF
+
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+# If the template does not know about datarootdir, expand it.
+# FIXME: This hack should be removed a few years after 2.60.
+ac_datarootdir_hack=; ac_datarootdir_seen=
+ac_sed_dataroot='
+/datarootdir/ {
+  p
+  q
+}
+/@datadir@/p
+/@docdir@/p
+/@infodir@/p
+/@localedir@/p
+/@mandir@/p'
+case `eval "sed -n \"\$ac_sed_dataroot\" $ac_file_inputs"` in
+*datarootdir*) ac_datarootdir_seen=yes;;
+*@datadir@*|*@docdir@*|*@infodir@*|*@localedir@*|*@mandir@*)
+  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&5
+$as_echo "$as_me: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&2;}
+_ACEOF
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+  ac_datarootdir_hack='
+  s&@datadir@&$datadir&g
+  s&@docdir@&$docdir&g
+  s&@infodir@&$infodir&g
+  s&@localedir@&$localedir&g
+  s&@mandir@&$mandir&g
+  s&\\\${datarootdir}&$datarootdir&g' ;;
+esac
+_ACEOF
+
+# Neutralize VPATH when `$srcdir' = `.'.
+# Shell code in configure.ac might set extrasub.
+# FIXME: do we really want to maintain this feature?
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+ac_sed_extra="$ac_vpsub
+$extrasub
+_ACEOF
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+:t
+/@[a-zA-Z_][a-zA-Z_0-9]*@/!b
+s|@configure_input@|$ac_sed_conf_input|;t t
+s&@top_builddir@&$ac_top_builddir_sub&;t t
+s&@top_build_prefix@&$ac_top_build_prefix&;t t
+s&@srcdir@&$ac_srcdir&;t t
+s&@abs_srcdir@&$ac_abs_srcdir&;t t
+s&@top_srcdir@&$ac_top_srcdir&;t t
+s&@abs_top_srcdir@&$ac_abs_top_srcdir&;t t
+s&@builddir@&$ac_builddir&;t t
+s&@abs_builddir@&$ac_abs_builddir&;t t
+s&@abs_top_builddir@&$ac_abs_top_builddir&;t t
+s&@INSTALL@&$ac_INSTALL&;t t
+s&@MKDIR_P@&$ac_MKDIR_P&;t t
+$ac_datarootdir_hack
+"
+eval sed \"\$ac_sed_extra\" "$ac_file_inputs" | $AWK -f "$tmp/subs.awk" >$tmp/out \
+  || as_fn_error "could not create $ac_file" "$LINENO" 5
+
+test -z "$ac_datarootdir_hack$ac_datarootdir_seen" &&
+  { ac_out=`sed -n '/\${datarootdir}/p' "$tmp/out"`; test -n "$ac_out"; } &&
+  { ac_out=`sed -n '/^[	 ]*datarootdir[	 ]*:*=/p' "$tmp/out"`; test -z "$ac_out"; } &&
+  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file contains a reference to the variable \`datarootdir'
+which seems to be undefined.  Please make sure it is defined." >&5
+$as_echo "$as_me: WARNING: $ac_file contains a reference to the variable \`datarootdir'
+which seems to be undefined.  Please make sure it is defined." >&2;}
+
+  rm -f "$tmp/stdin"
+  case $ac_file in
+  -) cat "$tmp/out" && rm -f "$tmp/out";;
+  *) rm -f "$ac_file" && mv "$tmp/out" "$ac_file";;
+  esac \
+  || as_fn_error "could not create $ac_file" "$LINENO" 5
+ ;;
+  :H)
+  #
+  # CONFIG_HEADER
+  #
+  if test x"$ac_file" != x-; then
+    {
+      $as_echo "/* $configure_input  */" \
+      && eval '$AWK -f "$tmp/defines.awk"' "$ac_file_inputs"
+    } >"$tmp/config.h" \
+      || as_fn_error "could not create $ac_file" "$LINENO" 5
+    if diff "$ac_file" "$tmp/config.h" >/dev/null 2>&1; then
+      { $as_echo "$as_me:${as_lineno-$LINENO}: $ac_file is unchanged" >&5
+$as_echo "$as_me: $ac_file is unchanged" >&6;}
+    else
+      rm -f "$ac_file"
+      mv "$tmp/config.h" "$ac_file" \
+	|| as_fn_error "could not create $ac_file" "$LINENO" 5
+    fi
+  else
+    $as_echo "/* $configure_input  */" \
+      && eval '$AWK -f "$tmp/defines.awk"' "$ac_file_inputs" \
+      || as_fn_error "could not create -" "$LINENO" 5
+  fi
+# Compute "$ac_file"'s index in $config_headers.
+_am_arg="$ac_file"
+_am_stamp_count=1
+for _am_header in $config_headers :; do
+  case $_am_header in
+    $_am_arg | $_am_arg:* )
+      break ;;
+    * )
+      _am_stamp_count=`expr $_am_stamp_count + 1` ;;
+  esac
+done
+echo "timestamp for $_am_arg" >`$as_dirname -- "$_am_arg" ||
+$as_expr X"$_am_arg" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+	 X"$_am_arg" : 'X\(//\)[^/]' \| \
+	 X"$_am_arg" : 'X\(//\)$' \| \
+	 X"$_am_arg" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X"$_am_arg" |
+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)[^/].*/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`/stamp-h$_am_stamp_count
+ ;;
+  :L)
+  #
+  # CONFIG_LINK
+  #
+
+  if test "$ac_source" = "$ac_file" && test "$srcdir" = '.'; then
+    :
+  else
+    # Prefer the file from the source tree if names are identical.
+    if test "$ac_source" = "$ac_file" || test ! -r "$ac_source"; then
+      ac_source=$srcdir/$ac_source
+    fi
+
+    { $as_echo "$as_me:${as_lineno-$LINENO}: linking $ac_source to $ac_file" >&5
+$as_echo "$as_me: linking $ac_source to $ac_file" >&6;}
+
+    if test ! -r "$ac_source"; then
+      as_fn_error "$ac_source: file not found" "$LINENO" 5
+    fi
+    rm -f "$ac_file"
+
+    # Try a relative symlink, then a hard link, then a copy.
+    case $srcdir in
+    [\\/$]* | ?:[\\/]* ) ac_rel_source=$ac_source ;;
+	*) ac_rel_source=$ac_top_build_prefix$ac_source ;;
+    esac
+    ln -s "$ac_rel_source" "$ac_file" 2>/dev/null ||
+      ln "$ac_source" "$ac_file" 2>/dev/null ||
+      cp -p "$ac_source" "$ac_file" ||
+      as_fn_error "cannot link or copy $ac_source to $ac_file" "$LINENO" 5
+  fi
+ ;;
+  :C)  { $as_echo "$as_me:${as_lineno-$LINENO}: executing $ac_file commands" >&5
+$as_echo "$as_me: executing $ac_file commands" >&6;}
+ ;;
+  esac
+
+
+  case $ac_file$ac_mode in
+    "depfiles":C) test x"$AMDEP_TRUE" != x"" || {
+  # Autoconf 2.62 quotes --file arguments for eval, but not when files
+  # are listed without --file.  Let's play safe and only enable the eval
+  # if we detect the quoting.
+  case $CONFIG_FILES in
+  *\'*) eval set x "$CONFIG_FILES" ;;
+  *)   set x $CONFIG_FILES ;;
+  esac
+  shift
+  for mf
+  do
+    # Strip MF so we end up with the name of the file.
+    mf=`echo "$mf" | sed -e 's/:.*$//'`
+    # Check whether this is an Automake generated Makefile or not.
+    # We used to match only the files named `Makefile.in', but
+    # some people rename them; so instead we look at the file content.
+    # Grep'ing the first line is not enough: some people post-process
+    # each Makefile.in and add a new line on top of each file to say so.
+    # Grep'ing the whole file is not good either: AIX grep has a line
+    # limit of 2048, but all sed's we know have understand at least 4000.
+    if sed -n 's,^#.*generated by automake.*,X,p' "$mf" | grep X >/dev/null 2>&1; then
+      dirpart=`$as_dirname -- "$mf" ||
+$as_expr X"$mf" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+	 X"$mf" : 'X\(//\)[^/]' \| \
+	 X"$mf" : 'X\(//\)$' \| \
+	 X"$mf" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X"$mf" |
+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)[^/].*/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+    else
+      continue
+    fi
+    # Extract the definition of DEPDIR, am__include, and am__quote
+    # from the Makefile without running `make'.
+    DEPDIR=`sed -n 's/^DEPDIR = //p' < "$mf"`
+    test -z "$DEPDIR" && continue
+    am__include=`sed -n 's/^am__include = //p' < "$mf"`
+    test -z "am__include" && continue
+    am__quote=`sed -n 's/^am__quote = //p' < "$mf"`
+    # When using ansi2knr, U may be empty or an underscore; expand it
+    U=`sed -n 's/^U = //p' < "$mf"`
+    # Find all dependency output files, they are included files with
+    # $(DEPDIR) in their names.  We invoke sed twice because it is the
+    # simplest approach to changing $(DEPDIR) to its actual value in the
+    # expansion.
+    for file in `sed -n "
+      s/^$am__include $am__quote\(.*(DEPDIR).*\)$am__quote"'$/\1/p' <"$mf" | \
+	 sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g' -e 's/\$U/'"$U"'/g'`; do
+      # Make sure the directory exists.
+      test -f "$dirpart/$file" && continue
+      fdir=`$as_dirname -- "$file" ||
+$as_expr X"$file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+	 X"$file" : 'X\(//\)[^/]' \| \
+	 X"$file" : 'X\(//\)$' \| \
+	 X"$file" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X"$file" |
+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)[^/].*/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+      as_dir=$dirpart/$fdir; as_fn_mkdir_p
+      # echo "creating $dirpart/$file"
+      echo '# dummy' > "$dirpart/$file"
+    done
+  done
+}
+ ;;
+
+  esac
+done # for ac_tag
+
+
+as_fn_exit 0
+_ACEOF
+ac_clean_files=$ac_clean_files_save
+
+test $ac_write_fail = 0 ||
+  as_fn_error "write failure creating $CONFIG_STATUS" "$LINENO" 5
+
+
+# configure is writing to config.log, and then calls config.status.
+# config.status does its own redirection, appending to config.log.
+# Unfortunately, on DOS this fails, as config.log is still kept open
+# by configure, so config.status won't be able to write to it; its
+# output is simply discarded.  So we exec the FD to /dev/null,
+# effectively closing config.log, so it can be properly (re)opened and
+# appended to by config.status.  When coming back to configure, we
+# need to make the FD available again.
+if test "$no_create" != yes; then
+  ac_cs_success=:
+  ac_config_status_args=
+  test "$silent" = yes &&
+    ac_config_status_args="$ac_config_status_args --quiet"
+  exec 5>/dev/null
+  $SHELL $CONFIG_STATUS $ac_config_status_args || ac_cs_success=false
+  exec 5>>config.log
+  # Use ||, not &&, to avoid exiting from the if with $? = 1, which
+  # would make configure fail if this is the last instruction.
+  $ac_cs_success || as_fn_exit $?
+fi
+if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5
+$as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;}
+fi
+
+
+[ "$GPM_WARN" = "yes" ] && { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: gpm.h doesn't exist! gpm mouse support will be disabled!" >&5
+$as_echo "$as_me: WARNING: gpm.h doesn't exist! gpm mouse support will be disabled!" >&2;}
+[ "$VESA_WARN" = "yes" ] && { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: libx86.h doesn't exist! VESA support will be disabled!" >&5
+$as_echo "$as_me: WARNING: libx86.h doesn't exist! VESA support will be disabled!" >&2;} || exit 0
diff --git a/configure.ac b/configure.ac
new file mode 100644
index 0000000..4c04455
--- /dev/null
+++ b/configure.ac
@@ -0,0 +1,123 @@
+#                                               -*- Autoconf -*-
+# Process this file with autoconf to produce a configure script.
+
+AC_PREREQ([2.61])
+AC_INIT([FbTerm], [1.7])
+AM_INIT_AUTOMAKE
+AC_CONFIG_SRCDIR([src/fbterm.cpp])
+AC_CONFIG_HEADERS([config.h])
+
+AC_SUBST([RELEASE_DATE], "October 2010")
+
+# Checks for programs.
+AC_PROG_CXX
+AC_PROG_CC
+AC_PROG_RANLIB
+PKG_PROG_PKG_CONFIG
+
+AC_ARG_ENABLE(gpm, 
+              AC_HELP_STRING([--disable-gpm], [disable gpm mouse support [[default=auto]]]), 
+              [GPM="$enableval"],
+              [GPM=auto])
+              
+AC_ARG_ENABLE(vesa, 
+              AC_HELP_STRING([--disable-vesa], [disable VESA video card support [[default=auto]]]), 
+              [VESA="$enableval"],
+              [VESA=auto])
+
+AC_ARG_ENABLE(epoll, 
+              AC_HELP_STRING([--disable-epoll], [do not use epoll system call [[default=auto]]]), 
+              [EPOLL="$enableval"],
+              [EPOLL=auto])
+
+AC_ARG_ENABLE(signalfd,
+              AC_HELP_STRING([--disable-signalfd], [do not use signalfd system call [[default=auto]]]),
+              [SIGNALFD="$enableval"],
+              [SIGNALFD=auto])
+
+                                          
+# Checks for libraries.
+AC_CHECK_LIB([util], [forkpty])
+PKG_CHECK_MODULES([FT2], [freetype2])
+PKG_CHECK_MODULES([FC], [fontconfig])
+
+# Checks for header files.
+AC_HEADER_STDC
+AC_HEADER_SYS_WAIT
+AC_CHECK_HEADERS([fcntl.h langinfo.h locale.h stddef.h stdlib.h string.h termios.h unistd.h \
+				  sys/ioctl.h sys/socket.h sys/time.h linux/fb.h linux/kd.h linux/keyboard.h linux/input.h],
+				  [], [AC_MSG_ERROR(required header file is missing!)])
+
+# Checks for typedefs, structures, and compiler characteristics.
+AC_HEADER_STDBOOL
+AC_C_CONST
+AC_STRUCT_TM
+
+# Checks for library functions.
+AC_PROG_GCC_TRADITIONAL
+AC_FUNC_MMAP
+AC_TYPE_SIGNAL
+AC_FUNC_STAT
+AC_CHECK_FUNCS([memset memmove munmap nl_langinfo setenv setlocale socket strcasecmp strchr strstr strtol],
+				[], [AC_MSG_ERROR(required lib function is missing!)])
+
+GPM_WARN=
+if test x"$GPM" != xno; then
+	AC_CHECK_HEADERS([gpm.h])
+	if test x"$GPM" = xauto; then
+		GPM="$ac_cv_header_gpm_h"
+		[[ "$GPM" = "no" ]] && GPM_WARN=yes 
+	elif test x"$ac_cv_header_gpm_h" != xyes; then
+		AC_MSG_ERROR(can't find gpm.h required by gpm mouse support!)
+	fi
+fi
+
+VESA_WARN=
+if test x"$VESA" != xno; then
+	AC_CHECK_HEADERS([libx86.h])
+	if test x"$VESA" = xauto; then
+		VESA="$ac_cv_header_libx86_h"
+		[[ "$VESA" = "no" ]] && VESA_WARN=yes
+	elif test x"$ac_cv_header_libx86_h" != xyes; then
+		AC_MSG_ERROR(can't find libx86.h required by VESA video card support!)
+	fi
+fi
+
+if test x"$EPOLL" = xauto -a x"$cross_compiling" = xno; then
+  AC_RUN_IFELSE(
+    AC_LANG_PROGRAM([[#include <sys/epoll.h>]],
+      [[if (epoll_create(10) >= 0) return 0; return 1;]]),
+    [EPOLL=yes]
+  )
+fi
+
+if test x"$SIGNALFD" = xauto -a x"$cross_compiling" = xno; then
+  AC_RUN_IFELSE(
+    AC_LANG_PROGRAM([[#include <sys/signalfd.h>]],
+      [[sigset_t mask; if (signalfd(-1, &mask, 0) >= 0) return 0; return 1;]]),
+    [SIGNALFD=yes]
+  )
+fi
+
+AM_CONDITIONAL(VESA, test x"$VESA" = xyes)
+
+x86_LIBS=
+[[ "$VESA" = "yes" ]] && x86_LIBS="-lx86"
+AC_SUBST([X86_LIBS], ["$x86_LIBS"])
+
+AH_TEMPLATE([ENABLE_GPM])
+AH_TEMPLATE([ENABLE_VESA])
+AH_TEMPLATE([HAVE_EPOLL])
+AH_TEMPLATE([HAVE_SIGNALFD])
+
+[[ "$GPM" = "yes" ]] && AC_DEFINE([ENABLE_GPM])
+[[ "$VESA" = "yes" ]] && AC_DEFINE([ENABLE_VESA])
+[[ "$EPOLL" = "yes" ]] && AC_DEFINE([HAVE_EPOLL])
+[[ "$SIGNALFD" = "yes" ]] && AC_DEFINE([HAVE_SIGNALFD])
+
+AC_CONFIG_FILES([Makefile src/Makefile src/lib/Makefile im/Makefile terminfo/Makefile doc/Makefile doc/fbterm.1])
+AC_CONFIG_LINKS([im/input_key.h:src/input_key.h im/immessage.h:src/immessage.h])
+AC_OUTPUT
+
+[[ "$GPM_WARN" = "yes" ]] && AC_MSG_WARN([gpm.h doesn't exist! gpm mouse support will be disabled!])
+[[ "$VESA_WARN" = "yes" ]] && AC_MSG_WARN([libx86.h doesn't exist! VESA support will be disabled!]) || exit 0
diff --git a/depcomp b/depcomp
new file mode 100755
index 0000000..df8eea7
--- /dev/null
+++ b/depcomp
@@ -0,0 +1,630 @@
+#! /bin/sh
+# depcomp - compile a program generating dependencies as side-effects
+
+scriptversion=2009-04-28.21; # UTC
+
+# Copyright (C) 1999, 2000, 2003, 2004, 2005, 2006, 2007, 2009 Free
+# Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.
+
+# Originally written by Alexandre Oliva <oliva@dcc.unicamp.br>.
+
+case $1 in
+  '')
+     echo "$0: No command.  Try \`$0 --help' for more information." 1>&2
+     exit 1;
+     ;;
+  -h | --h*)
+    cat <<\EOF
+Usage: depcomp [--help] [--version] PROGRAM [ARGS]
+
+Run PROGRAMS ARGS to compile a file, generating dependencies
+as side-effects.
+
+Environment variables:
+  depmode     Dependency tracking mode.
+  source      Source file read by `PROGRAMS ARGS'.
+  object      Object file output by `PROGRAMS ARGS'.
+  DEPDIR      directory where to store dependencies.
+  depfile     Dependency file to output.
+  tmpdepfile  Temporary file to use when outputing dependencies.
+  libtool     Whether libtool is used (yes/no).
+
+Report bugs to <bug-automake@gnu.org>.
+EOF
+    exit $?
+    ;;
+  -v | --v*)
+    echo "depcomp $scriptversion"
+    exit $?
+    ;;
+esac
+
+if test -z "$depmode" || test -z "$source" || test -z "$object"; then
+  echo "depcomp: Variables source, object and depmode must be set" 1>&2
+  exit 1
+fi
+
+# Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po.
+depfile=${depfile-`echo "$object" |
+  sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`}
+tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`}
+
+rm -f "$tmpdepfile"
+
+# Some modes work just like other modes, but use different flags.  We
+# parameterize here, but still list the modes in the big case below,
+# to make depend.m4 easier to write.  Note that we *cannot* use a case
+# here, because this file can only contain one case statement.
+if test "$depmode" = hp; then
+  # HP compiler uses -M and no extra arg.
+  gccflag=-M
+  depmode=gcc
+fi
+
+if test "$depmode" = dashXmstdout; then
+   # This is just like dashmstdout with a different argument.
+   dashmflag=-xM
+   depmode=dashmstdout
+fi
+
+cygpath_u="cygpath -u -f -"
+if test "$depmode" = msvcmsys; then
+   # This is just like msvisualcpp but w/o cygpath translation.
+   # Just convert the backslash-escaped backslashes to single forward
+   # slashes to satisfy depend.m4
+   cygpath_u="sed s,\\\\\\\\,/,g"
+   depmode=msvisualcpp
+fi
+
+case "$depmode" in
+gcc3)
+## gcc 3 implements dependency tracking that does exactly what
+## we want.  Yay!  Note: for some reason libtool 1.4 doesn't like
+## it if -MD -MP comes after the -MF stuff.  Hmm.
+## Unfortunately, FreeBSD c89 acceptance of flags depends upon
+## the command line argument order; so add the flags where they
+## appear in depend2.am.  Note that the slowdown incurred here
+## affects only configure: in makefiles, %FASTDEP% shortcuts this.
+  for arg
+  do
+    case $arg in
+    -c) set fnord "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" "$arg" ;;
+    *)  set fnord "$@" "$arg" ;;
+    esac
+    shift # fnord
+    shift # $arg
+  done
+  "$@"
+  stat=$?
+  if test $stat -eq 0; then :
+  else
+    rm -f "$tmpdepfile"
+    exit $stat
+  fi
+  mv "$tmpdepfile" "$depfile"
+  ;;
+
+gcc)
+## There are various ways to get dependency output from gcc.  Here's
+## why we pick this rather obscure method:
+## - Don't want to use -MD because we'd like the dependencies to end
+##   up in a subdir.  Having to rename by hand is ugly.
+##   (We might end up doing this anyway to support other compilers.)
+## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like
+##   -MM, not -M (despite what the docs say).
+## - Using -M directly means running the compiler twice (even worse
+##   than renaming).
+  if test -z "$gccflag"; then
+    gccflag=-MD,
+  fi
+  "$@" -Wp,"$gccflag$tmpdepfile"
+  stat=$?
+  if test $stat -eq 0; then :
+  else
+    rm -f "$tmpdepfile"
+    exit $stat
+  fi
+  rm -f "$depfile"
+  echo "$object : \\" > "$depfile"
+  alpha=ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz
+## The second -e expression handles DOS-style file names with drive letters.
+  sed -e 's/^[^:]*: / /' \
+      -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile"
+## This next piece of magic avoids the `deleted header file' problem.
+## The problem is that when a header file which appears in a .P file
+## is deleted, the dependency causes make to die (because there is
+## typically no way to rebuild the header).  We avoid this by adding
+## dummy dependencies for each header file.  Too bad gcc doesn't do
+## this for us directly.
+  tr ' ' '
+' < "$tmpdepfile" |
+## Some versions of gcc put a space before the `:'.  On the theory
+## that the space means something, we add a space to the output as
+## well.
+## Some versions of the HPUX 10.20 sed can't process this invocation
+## correctly.  Breaking it into two sed invocations is a workaround.
+    sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
+  rm -f "$tmpdepfile"
+  ;;
+
+hp)
+  # This case exists only to let depend.m4 do its work.  It works by
+  # looking at the text of this script.  This case will never be run,
+  # since it is checked for above.
+  exit 1
+  ;;
+
+sgi)
+  if test "$libtool" = yes; then
+    "$@" "-Wp,-MDupdate,$tmpdepfile"
+  else
+    "$@" -MDupdate "$tmpdepfile"
+  fi
+  stat=$?
+  if test $stat -eq 0; then :
+  else
+    rm -f "$tmpdepfile"
+    exit $stat
+  fi
+  rm -f "$depfile"
+
+  if test -f "$tmpdepfile"; then  # yes, the sourcefile depend on other files
+    echo "$object : \\" > "$depfile"
+
+    # Clip off the initial element (the dependent).  Don't try to be
+    # clever and replace this with sed code, as IRIX sed won't handle
+    # lines with more than a fixed number of characters (4096 in
+    # IRIX 6.2 sed, 8192 in IRIX 6.5).  We also remove comment lines;
+    # the IRIX cc adds comments like `#:fec' to the end of the
+    # dependency line.
+    tr ' ' '
+' < "$tmpdepfile" \
+    | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' | \
+    tr '
+' ' ' >> "$depfile"
+    echo >> "$depfile"
+
+    # The second pass generates a dummy entry for each header file.
+    tr ' ' '
+' < "$tmpdepfile" \
+   | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \
+   >> "$depfile"
+  else
+    # The sourcefile does not contain any dependencies, so just
+    # store a dummy comment line, to avoid errors with the Makefile
+    # "include basename.Plo" scheme.
+    echo "#dummy" > "$depfile"
+  fi
+  rm -f "$tmpdepfile"
+  ;;
+
+aix)
+  # The C for AIX Compiler uses -M and outputs the dependencies
+  # in a .u file.  In older versions, this file always lives in the
+  # current directory.  Also, the AIX compiler puts `$object:' at the
+  # start of each line; $object doesn't have directory information.
+  # Version 6 uses the directory in both cases.
+  dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
+  test "x$dir" = "x$object" && dir=
+  base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
+  if test "$libtool" = yes; then
+    tmpdepfile1=$dir$base.u
+    tmpdepfile2=$base.u
+    tmpdepfile3=$dir.libs/$base.u
+    "$@" -Wc,-M
+  else
+    tmpdepfile1=$dir$base.u
+    tmpdepfile2=$dir$base.u
+    tmpdepfile3=$dir$base.u
+    "$@" -M
+  fi
+  stat=$?
+
+  if test $stat -eq 0; then :
+  else
+    rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
+    exit $stat
+  fi
+
+  for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
+  do
+    test -f "$tmpdepfile" && break
+  done
+  if test -f "$tmpdepfile"; then
+    # Each line is of the form `foo.o: dependent.h'.
+    # Do two passes, one to just change these to
+    # `$object: dependent.h' and one to simply `dependent.h:'.
+    sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile"
+    # That's a tab and a space in the [].
+    sed -e 's,^.*\.[a-z]*:[	 ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
+  else
+    # The sourcefile does not contain any dependencies, so just
+    # store a dummy comment line, to avoid errors with the Makefile
+    # "include basename.Plo" scheme.
+    echo "#dummy" > "$depfile"
+  fi
+  rm -f "$tmpdepfile"
+  ;;
+
+icc)
+  # Intel's C compiler understands `-MD -MF file'.  However on
+  #    icc -MD -MF foo.d -c -o sub/foo.o sub/foo.c
+  # ICC 7.0 will fill foo.d with something like
+  #    foo.o: sub/foo.c
+  #    foo.o: sub/foo.h
+  # which is wrong.  We want:
+  #    sub/foo.o: sub/foo.c
+  #    sub/foo.o: sub/foo.h
+  #    sub/foo.c:
+  #    sub/foo.h:
+  # ICC 7.1 will output
+  #    foo.o: sub/foo.c sub/foo.h
+  # and will wrap long lines using \ :
+  #    foo.o: sub/foo.c ... \
+  #     sub/foo.h ... \
+  #     ...
+
+  "$@" -MD -MF "$tmpdepfile"
+  stat=$?
+  if test $stat -eq 0; then :
+  else
+    rm -f "$tmpdepfile"
+    exit $stat
+  fi
+  rm -f "$depfile"
+  # Each line is of the form `foo.o: dependent.h',
+  # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'.
+  # Do two passes, one to just change these to
+  # `$object: dependent.h' and one to simply `dependent.h:'.
+  sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile"
+  # Some versions of the HPUX 10.20 sed can't process this invocation
+  # correctly.  Breaking it into two sed invocations is a workaround.
+  sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" |
+    sed -e 's/$/ :/' >> "$depfile"
+  rm -f "$tmpdepfile"
+  ;;
+
+hp2)
+  # The "hp" stanza above does not work with aCC (C++) and HP's ia64
+  # compilers, which have integrated preprocessors.  The correct option
+  # to use with these is +Maked; it writes dependencies to a file named
+  # 'foo.d', which lands next to the object file, wherever that
+  # happens to be.
+  # Much of this is similar to the tru64 case; see comments there.
+  dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
+  test "x$dir" = "x$object" && dir=
+  base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
+  if test "$libtool" = yes; then
+    tmpdepfile1=$dir$base.d
+    tmpdepfile2=$dir.libs/$base.d
+    "$@" -Wc,+Maked
+  else
+    tmpdepfile1=$dir$base.d
+    tmpdepfile2=$dir$base.d
+    "$@" +Maked
+  fi
+  stat=$?
+  if test $stat -eq 0; then :
+  else
+     rm -f "$tmpdepfile1" "$tmpdepfile2"
+     exit $stat
+  fi
+
+  for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2"
+  do
+    test -f "$tmpdepfile" && break
+  done
+  if test -f "$tmpdepfile"; then
+    sed -e "s,^.*\.[a-z]*:,$object:," "$tmpdepfile" > "$depfile"
+    # Add `dependent.h:' lines.
+    sed -ne '2,${
+	       s/^ *//
+	       s/ \\*$//
+	       s/$/:/
+	       p
+	     }' "$tmpdepfile" >> "$depfile"
+  else
+    echo "#dummy" > "$depfile"
+  fi
+  rm -f "$tmpdepfile" "$tmpdepfile2"
+  ;;
+
+tru64)
+   # The Tru64 compiler uses -MD to generate dependencies as a side
+   # effect.  `cc -MD -o foo.o ...' puts the dependencies into `foo.o.d'.
+   # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put
+   # dependencies in `foo.d' instead, so we check for that too.
+   # Subdirectories are respected.
+   dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
+   test "x$dir" = "x$object" && dir=
+   base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
+
+   if test "$libtool" = yes; then
+      # With Tru64 cc, shared objects can also be used to make a
+      # static library.  This mechanism is used in libtool 1.4 series to
+      # handle both shared and static libraries in a single compilation.
+      # With libtool 1.4, dependencies were output in $dir.libs/$base.lo.d.
+      #
+      # With libtool 1.5 this exception was removed, and libtool now
+      # generates 2 separate objects for the 2 libraries.  These two
+      # compilations output dependencies in $dir.libs/$base.o.d and
+      # in $dir$base.o.d.  We have to check for both files, because
+      # one of the two compilations can be disabled.  We should prefer
+      # $dir$base.o.d over $dir.libs/$base.o.d because the latter is
+      # automatically cleaned when .libs/ is deleted, while ignoring
+      # the former would cause a distcleancheck panic.
+      tmpdepfile1=$dir.libs/$base.lo.d   # libtool 1.4
+      tmpdepfile2=$dir$base.o.d          # libtool 1.5
+      tmpdepfile3=$dir.libs/$base.o.d    # libtool 1.5
+      tmpdepfile4=$dir.libs/$base.d      # Compaq CCC V6.2-504
+      "$@" -Wc,-MD
+   else
+      tmpdepfile1=$dir$base.o.d
+      tmpdepfile2=$dir$base.d
+      tmpdepfile3=$dir$base.d
+      tmpdepfile4=$dir$base.d
+      "$@" -MD
+   fi
+
+   stat=$?
+   if test $stat -eq 0; then :
+   else
+      rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4"
+      exit $stat
+   fi
+
+   for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4"
+   do
+     test -f "$tmpdepfile" && break
+   done
+   if test -f "$tmpdepfile"; then
+      sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile"
+      # That's a tab and a space in the [].
+      sed -e 's,^.*\.[a-z]*:[	 ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
+   else
+      echo "#dummy" > "$depfile"
+   fi
+   rm -f "$tmpdepfile"
+   ;;
+
+#nosideeffect)
+  # This comment above is used by automake to tell side-effect
+  # dependency tracking mechanisms from slower ones.
+
+dashmstdout)
+  # Important note: in order to support this mode, a compiler *must*
+  # always write the preprocessed file to stdout, regardless of -o.
+  "$@" || exit $?
+
+  # Remove the call to Libtool.
+  if test "$libtool" = yes; then
+    while test "X$1" != 'X--mode=compile'; do
+      shift
+    done
+    shift
+  fi
+
+  # Remove `-o $object'.
+  IFS=" "
+  for arg
+  do
+    case $arg in
+    -o)
+      shift
+      ;;
+    $object)
+      shift
+      ;;
+    *)
+      set fnord "$@" "$arg"
+      shift # fnord
+      shift # $arg
+      ;;
+    esac
+  done
+
+  test -z "$dashmflag" && dashmflag=-M
+  # Require at least two characters before searching for `:'
+  # in the target name.  This is to cope with DOS-style filenames:
+  # a dependency such as `c:/foo/bar' could be seen as target `c' otherwise.
+  "$@" $dashmflag |
+    sed 's:^[  ]*[^: ][^:][^:]*\:[    ]*:'"$object"'\: :' > "$tmpdepfile"
+  rm -f "$depfile"
+  cat < "$tmpdepfile" > "$depfile"
+  tr ' ' '
+' < "$tmpdepfile" | \
+## Some versions of the HPUX 10.20 sed can't process this invocation
+## correctly.  Breaking it into two sed invocations is a workaround.
+    sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
+  rm -f "$tmpdepfile"
+  ;;
+
+dashXmstdout)
+  # This case only exists to satisfy depend.m4.  It is never actually
+  # run, as this mode is specially recognized in the preamble.
+  exit 1
+  ;;
+
+makedepend)
+  "$@" || exit $?
+  # Remove any Libtool call
+  if test "$libtool" = yes; then
+    while test "X$1" != 'X--mode=compile'; do
+      shift
+    done
+    shift
+  fi
+  # X makedepend
+  shift
+  cleared=no eat=no
+  for arg
+  do
+    case $cleared in
+    no)
+      set ""; shift
+      cleared=yes ;;
+    esac
+    if test $eat = yes; then
+      eat=no
+      continue
+    fi
+    case "$arg" in
+    -D*|-I*)
+      set fnord "$@" "$arg"; shift ;;
+    # Strip any option that makedepend may not understand.  Remove
+    # the object too, otherwise makedepend will parse it as a source file.
+    -arch)
+      eat=yes ;;
+    -*|$object)
+      ;;
+    *)
+      set fnord "$@" "$arg"; shift ;;
+    esac
+  done
+  obj_suffix=`echo "$object" | sed 's/^.*\././'`
+  touch "$tmpdepfile"
+  ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@"
+  rm -f "$depfile"
+  cat < "$tmpdepfile" > "$depfile"
+  sed '1,2d' "$tmpdepfile" | tr ' ' '
+' | \
+## Some versions of the HPUX 10.20 sed can't process this invocation
+## correctly.  Breaking it into two sed invocations is a workaround.
+    sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
+  rm -f "$tmpdepfile" "$tmpdepfile".bak
+  ;;
+
+cpp)
+  # Important note: in order to support this mode, a compiler *must*
+  # always write the preprocessed file to stdout.
+  "$@" || exit $?
+
+  # Remove the call to Libtool.
+  if test "$libtool" = yes; then
+    while test "X$1" != 'X--mode=compile'; do
+      shift
+    done
+    shift
+  fi
+
+  # Remove `-o $object'.
+  IFS=" "
+  for arg
+  do
+    case $arg in
+    -o)
+      shift
+      ;;
+    $object)
+      shift
+      ;;
+    *)
+      set fnord "$@" "$arg"
+      shift # fnord
+      shift # $arg
+      ;;
+    esac
+  done
+
+  "$@" -E |
+    sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
+       -e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' |
+    sed '$ s: \\$::' > "$tmpdepfile"
+  rm -f "$depfile"
+  echo "$object : \\" > "$depfile"
+  cat < "$tmpdepfile" >> "$depfile"
+  sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile"
+  rm -f "$tmpdepfile"
+  ;;
+
+msvisualcpp)
+  # Important note: in order to support this mode, a compiler *must*
+  # always write the preprocessed file to stdout.
+  "$@" || exit $?
+
+  # Remove the call to Libtool.
+  if test "$libtool" = yes; then
+    while test "X$1" != 'X--mode=compile'; do
+      shift
+    done
+    shift
+  fi
+
+  IFS=" "
+  for arg
+  do
+    case "$arg" in
+    -o)
+      shift
+      ;;
+    $object)
+      shift
+      ;;
+    "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI")
+	set fnord "$@"
+	shift
+	shift
+	;;
+    *)
+	set fnord "$@" "$arg"
+	shift
+	shift
+	;;
+    esac
+  done
+  "$@" -E 2>/dev/null |
+  sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::\1:p' | $cygpath_u | sort -u > "$tmpdepfile"
+  rm -f "$depfile"
+  echo "$object : \\" > "$depfile"
+  sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::	\1 \\:p' >> "$depfile"
+  echo "	" >> "$depfile"
+  sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::\1\::p' >> "$depfile"
+  rm -f "$tmpdepfile"
+  ;;
+
+msvcmsys)
+  # This case exists only to let depend.m4 do its work.  It works by
+  # looking at the text of this script.  This case will never be run,
+  # since it is checked for above.
+  exit 1
+  ;;
+
+none)
+  exec "$@"
+  ;;
+
+*)
+  echo "Unknown depmode $depmode" 1>&2
+  exit 1
+  ;;
+esac
+
+exit 0
+
+# Local Variables:
+# mode: shell-script
+# sh-indentation: 2
+# eval: (add-hook 'write-file-hooks 'time-stamp)
+# time-stamp-start: "scriptversion="
+# time-stamp-format: "%:y-%02m-%02d.%02H"
+# time-stamp-time-zone: "UTC"
+# time-stamp-end: "; # UTC"
+# End:
diff --git a/doc/Makefile.am b/doc/Makefile.am
new file mode 100644
index 0000000..a79de5c
--- /dev/null
+++ b/doc/Makefile.am
@@ -0,0 +1,2 @@
+man_MANS = fbterm.1
+EXTRA_DIST = fbterm.1.in
diff --git a/doc/Makefile.in b/doc/Makefile.in
new file mode 100644
index 0000000..675ebda
--- /dev/null
+++ b/doc/Makefile.in
@@ -0,0 +1,412 @@
+# Makefile.in generated by automake 1.11.1 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+# 2003, 2004, 2005, 2006, 2007, 2008, 2009  Free Software Foundation,
+# Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+VPATH = @srcdir@
+pkgdatadir = $(datadir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkglibexecdir = $(libexecdir)/@PACKAGE@
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+install_sh_DATA = $(install_sh) -c -m 644
+install_sh_PROGRAM = $(install_sh) -c
+install_sh_SCRIPT = $(install_sh) -c
+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+subdir = doc
+DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in \
+	$(srcdir)/fbterm.1.in
+ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
+am__aclocal_m4_deps = $(top_srcdir)/configure.ac
+am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
+	$(ACLOCAL_M4)
+mkinstalldirs = $(install_sh) -d
+CONFIG_HEADER = $(top_builddir)/config.h
+CONFIG_CLEAN_FILES = fbterm.1
+CONFIG_CLEAN_VPATH_FILES =
+SOURCES =
+DIST_SOURCES =
+am__vpath_adj_setup = srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`;
+am__vpath_adj = case $$p in \
+    $(srcdir)/*) f=`echo "$$p" | sed "s|^$$srcdirstrip/||"`;; \
+    *) f=$$p;; \
+  esac;
+am__strip_dir = f=`echo $$p | sed -e 's|^.*/||'`;
+am__install_max = 40
+am__nobase_strip_setup = \
+  srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*|]/\\\\&/g'`
+am__nobase_strip = \
+  for p in $$list; do echo "$$p"; done | sed -e "s|$$srcdirstrip/||"
+am__nobase_list = $(am__nobase_strip_setup); \
+  for p in $$list; do echo "$$p $$p"; done | \
+  sed "s| $$srcdirstrip/| |;"' / .*\//!s/ .*/ ./; s,\( .*\)/[^/]*$$,\1,' | \
+  $(AWK) 'BEGIN { files["."] = "" } { files[$$2] = files[$$2] " " $$1; \
+    if (++n[$$2] == $(am__install_max)) \
+      { print $$2, files[$$2]; n[$$2] = 0; files[$$2] = "" } } \
+    END { for (dir in files) print dir, files[dir] }'
+am__base_list = \
+  sed '$$!N;$$!N;$$!N;$$!N;$$!N;$$!N;$$!N;s/\n/ /g' | \
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+man1dir = $(mandir)/man1
+am__installdirs = "$(DESTDIR)$(man1dir)"
+NROFF = nroff
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+top_build_prefix = @top_build_prefix@
+top_builddir = @top_builddir@
+top_srcdir = @top_srcdir@
+man_MANS = fbterm.1
+EXTRA_DIST = fbterm.1.in
+all: all-am
+
+.SUFFIXES:
+$(srcdir)/Makefile.in:  $(srcdir)/Makefile.am  $(am__configure_deps)
+	@for dep in $?; do \
+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
+	        && { if test -f $@; then exit 0; else break; fi; }; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu doc/Makefile'; \
+	$(am__cd) $(top_srcdir) && \
+	  $(AUTOMAKE) --gnu doc/Makefile
+.PRECIOUS: Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe);; \
+	esac;
+
+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+
+$(top_srcdir)/configure:  $(am__configure_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(ACLOCAL_M4):  $(am__aclocal_m4_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(am__aclocal_m4_deps):
+fbterm.1: $(top_builddir)/config.status $(srcdir)/fbterm.1.in
+	cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@
+install-man1: $(man_MANS)
+	@$(NORMAL_INSTALL)
+	test -z "$(man1dir)" || $(MKDIR_P) "$(DESTDIR)$(man1dir)"
+	@list=''; test -n "$(man1dir)" || exit 0; \
+	{ for i in $$list; do echo "$$i"; done; \
+	l2='$(man_MANS)'; for i in $$l2; do echo "$$i"; done | \
+	  sed -n '/\.1[a-z]*$$/p'; \
+	} | while read p; do \
+	  if test -f $$p; then d=; else d="$(srcdir)/"; fi; \
+	  echo "$$d$$p"; echo "$$p"; \
+	done | \
+	sed -e 'n;s,.*/,,;p;h;s,.*\.,,;s,^[^1][0-9a-z]*$$,1,;x' \
+	      -e 's,\.[0-9a-z]*$$,,;$(transform);G;s,\n,.,' | \
+	sed 'N;N;s,\n, ,g' | { \
+	list=; while read file base inst; do \
+	  if test "$$base" = "$$inst"; then list="$$list $$file"; else \
+	    echo " $(INSTALL_DATA) '$$file' '$(DESTDIR)$(man1dir)/$$inst'"; \
+	    $(INSTALL_DATA) "$$file" "$(DESTDIR)$(man1dir)/$$inst" || exit $$?; \
+	  fi; \
+	done; \
+	for i in $$list; do echo "$$i"; done | $(am__base_list) | \
+	while read files; do \
+	  test -z "$$files" || { \
+	    echo " $(INSTALL_DATA) $$files '$(DESTDIR)$(man1dir)'"; \
+	    $(INSTALL_DATA) $$files "$(DESTDIR)$(man1dir)" || exit $$?; }; \
+	done; }
+
+uninstall-man1:
+	@$(NORMAL_UNINSTALL)
+	@list=''; test -n "$(man1dir)" || exit 0; \
+	files=`{ for i in $$list; do echo "$$i"; done; \
+	l2='$(man_MANS)'; for i in $$l2; do echo "$$i"; done | \
+	  sed -n '/\.1[a-z]*$$/p'; \
+	} | sed -e 's,.*/,,;h;s,.*\.,,;s,^[^1][0-9a-z]*$$,1,;x' \
+	      -e 's,\.[0-9a-z]*$$,,;$(transform);G;s,\n,.,'`; \
+	test -z "$$files" || { \
+	  echo " ( cd '$(DESTDIR)$(man1dir)' && rm -f" $$files ")"; \
+	  cd "$(DESTDIR)$(man1dir)" && rm -f $$files; }
+tags: TAGS
+TAGS:
+
+ctags: CTAGS
+CTAGS:
+
+
+distdir: $(DISTFILES)
+	@list='$(MANS)'; if test -n "$$list"; then \
+	  list=`for p in $$list; do \
+	    if test -f $$p; then d=; else d="$(srcdir)/"; fi; \
+	    if test -f "$$d$$p"; then echo "$$d$$p"; else :; fi; done`; \
+	  if test -n "$$list" && \
+	    grep 'ab help2man is required to generate this page' $$list >/dev/null; then \
+	    echo "error: found man pages containing the \`missing help2man' replacement text:" >&2; \
+	    grep -l 'ab help2man is required to generate this page' $$list | sed 's/^/         /' >&2; \
+	    echo "       to fix them, install help2man, remove and regenerate the man pages;" >&2; \
+	    echo "       typically \`make maintainer-clean' will remove them" >&2; \
+	    exit 1; \
+	  else :; fi; \
+	else :; fi
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
+all-am: Makefile $(MANS)
+installdirs:
+	for dir in "$(DESTDIR)$(man1dir)"; do \
+	  test -z "$$dir" || $(MKDIR_P) "$$dir"; \
+	done
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	$(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	  install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	  `test -z '$(STRIP)' || \
+	    echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic mostlyclean-am
+
+distclean: distclean-am
+	-rm -f Makefile
+distclean-am: clean-am distclean-generic
+
+dvi: dvi-am
+
+dvi-am:
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+html: html-am
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+html-am:
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+info: info-am
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+install-data-am: install-man
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+install-dvi-am:
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+install-exec-am:
+
+install-html: install-html-am
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+install-html-am:
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+
+install-ps: install-ps-am
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+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
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+mostlyclean-am: mostlyclean-generic
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+pdf: pdf-am
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+uninstall-am: uninstall-man
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+uninstall-man: uninstall-man1
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+.MAKE: install-am install-strip
+
+.PHONY: all all-am check check-am clean clean-generic distclean \
+	distclean-generic distdir dvi dvi-am html html-am info info-am \
+	install install-am install-data install-data-am install-dvi \
+	install-dvi-am install-exec install-exec-am install-html \
+	install-html-am install-info install-info-am install-man \
+	install-man1 install-pdf install-pdf-am install-ps \
+	install-ps-am install-strip installcheck installcheck-am \
+	installdirs maintainer-clean maintainer-clean-generic \
+	mostlyclean mostlyclean-generic pdf pdf-am ps ps-am uninstall \
+	uninstall-am uninstall-man uninstall-man1
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/doc/fbterm.1.in b/doc/fbterm.1.in
new file mode 100644
index 0000000..1885fa6
--- /dev/null
+++ b/doc/fbterm.1.in
@@ -0,0 +1,227 @@
+.TH "FbTerm" "1" "@RELEASE_DATE@" "FbTerm @VERSION@" "FbTerm User Manual"
+.SH "NAME"
+FbTerm - a fast Frame Buffer based TERMinal emulator for linux
+.SH "SYNOPSIS"
+\fBfbterm\fR [\fIoptions\fR] [--] [\fIcommand\fR [\fIarguments\fR]]
+.SH "DESCRIPTION"
+FbTerm is a fast terminal emulator for linux with frame buffer device or VESA video card. Features include:
+  
+  * mostly as fast as terminal of linux kernel while accelerated scrolling is enabled
+  * select font with fontconfig and draw text with freetype2, same as Qt/Gtk+ based GUI apps
+  * dynamically create/destroy up to 10 windows initially running default shell
+  * record scroll-back history for every window
+  * auto-detect current locale and convert text encoding, support double width scripts like Chinese, Japanese etc
+  * switch between configurable additional text encodings with hot keys on the fly
+  * copy/past selected text between windows with mouse when gpm server is running
+  * change the orientation of screen display, a.k.a. screen rotation
+  * lightweight input method framework with client-server architecture
+  * background image for eye candy
+.SH "OPTIONS"
+\fIcommand\fR [\fIarguments\fR] may be given to override the built-in choice of shell program. Normally FbTerm
+checks the \fISHELL\fR variable. If that is not set, it tries to use the user's login shell program specified in the password
+file. If that is not set, /bin/sh will be used. You should use the \fI--\fR argument to separate FbTerm's options from
+the arguments supplied to the \fIcommand\fR.
+
+FbTerm first uses option value specified in command line arguments, then in the configure file \fI$HOME/.fbtermrc\fR.
+If that file doesn't exist, FbTerm will create it with default options on startup.
+.TP
+\fB-h, --help\fR
+display the help and exit
+.TP
+\fB-V, --version\fR
+display FbTerm version and exit
+.TP
+\fB-v, --verbose\fR
+display extra FbTerm's information
+.TP
+\fB-n, --font-names=\fR\fItext\fR
+specify font family names
+.TP
+\fB-s, --font-size=\fR\fInum\fR
+specify font pixel size
+.TP
+\fB--font-width=\fR\fInum\fR
+force font width
+.TP
+\fB--font-height=\fR\fInum\fR
+force font height
+.TP
+\fB-f, --color-foreground=\fR\fInum\fR
+specify foreground color
+.TP
+\fB-b, --color-background=\fR\fInum\fR
+specify background color
+.TP
+\fB-e, --text-encodings=\fR\fItext\fR
+specify additional text encodings
+.TP
+\fB-a, --ambiguous-wide
+treat ambiguous width characters as wide
+.TP
+\fB-r, --screen-rotate=\fR\fInum\fR
+specify the orientation of screen display
+.TP
+\fB-i, --input-method=\fR\fItext\fR
+specify input method program
+.TP
+\fB--cursor-shape=\fR\fInum\fR
+specify default cursor shape
+.TP
+\fB--cursor-interval=\fR\fInum\fR
+specify cursor flash interval
+.TP
+\fB--vesa-mode=\fR\fInum\fR
+specify VESA video mode
+.TP
+\fB--vesa-mode=list\fR
+display available VESA video modes
+
+.TP
+see comments in \fI$HOME/.fbtermrc\fR for details of these options.
+.SH "SHORTCUT SUMMARY"
+keyboard:
+  CTRL_ALT_E:    exit from FbTerm
+  CTRL_ALT_C:    create a new window
+  CTRL_ALT_D:    destroy current window
+  CTRL_ALT_1:    switch to window 1
+  CTRL_ALT_2:    switch to window 2
+  CTRL_ALT_3:    switch to window 3
+  CTRL_ALT_4:    switch to window 4
+  CTRL_ALT_5:    switch to window 5
+  CTRL_ALT_6:    switch to window 6
+  CTRL_ALT_7:    switch to window 7
+  CTRL_ALT_8:    switch to window 8
+  CTRL_ALT_9:    switch to window 9
+  CTRL_ALT_0:    switch to window 10
+  SHIFT_LEFT:    switch to previous window
+  SHIFT_RIGHT:   switch to next window
+  SHIFT_PAGEUP:    history scroll up
+  SHIFT_PAGEDOWN:  history scroll down
+  CTRL_ALT_F1:                 switch to encoding of current locale
+  CTRL_ALT_F2 to CTRL_ALT_F6:  switch to additional encodings
+  CTRL_SPACE:    toggle input method
+  CTRL_ALT_K:    kill input method server
+
+mouse:
+  move when left button down:      select text
+  double click with left button:   auto select text
+  click with right button:         paste selected text
+
+Sometimes above actions will not work, please try to redo them with shift key holding down.
+.SH "FRAME BUFFER DEVICE"
+Before executing FbTerm, make sure there is a frame buffer device in your system, and you have read/write access right
+with it. Normally FbTerm tries to open /dev/fb0 and /dev/fb/0, environment variable "\fIFRAMEBUFFER\fR" may be used to override this
+built-in behavior.
+.SH "VESA VIDEO DEVICE"
+From version 1.6, FbTerm adds VESA video card support. By default, FbTerm tries frame buffer device first, if failure, 
+then tries to use VESA device with highest resolution and color depth. option "\fIvesa-mode\fR" may be given to force only open
+VESA device with the specified video mode. To see available video modes for your VESA card, execute "\fBfbterm --vesa-mode=list\fR".
+
+Attention: 1) VESA support requires root privilege to work; 2) do not force to use VESA device on the system with frame buffer device
+enabled, they maybe conflict with each other.
+.SH "FONT"
+FbTerm invokes fontconfig to get a font list, if the first font doesn't contain the glyph for the rendering character,
+it will try second font, then the third, ... and so on, user can see this ordered font list with "\fBfbterm -v\fR".
+
+If you don't like the fonts selected by FbTerm, execute "fc-list" to get available fonts, choose favorites as
+the value of option "\fIfont-names\fR". You may also modify the configure file of fontconfig, which will
+change the behavior of all programs based on fontconfig!
+.SH "TEXT ENCODING"
+By using iconv, FbTerm converts other encodings to internal encoding UTF-8. On startup, FbTerm checks variable
+\fILC_CTYPE\fR to determine the default text encoding, which is binded to shortcut CTRL_ALT_F1.
+User can specify up to 5 additional encodings with option "\fItext-encodings\fR", for example, as a Chinese user,
+you set "text-encodings=gbk,big5", shortcut CTRL_ALT_F2 will bind to gbk, and CTRL_ALT_F3 bind to big5.
+
+In a number of CJK encodings there are ambiguous width characters which have a width of either narrow or wide
+depending on the context of their use. By default, FbTerm treats them as narrow width characters,
+option "\fIambiguous-wide\fR" may be used to change the behavior.
+.SH "BACKGROUND IMAGE"
+FbTerm doesn't load and parse any image file with various formats directly, instead it takes a screen shot of
+frame buffer device on startup if variable \fIFBTERM_BACKGROUND_IMAGE\fR is defined, then uses this screen shot as
+the background for text rendering. In order to enable background image support, user should first
+put a image to frame buffer device with a image viewer. A wrapper script using fbv is listed below:
+\fB
+.br
+
+    #!/bin/bash
+
+    # fbterm-bi: a wrapper script to enable background image with fbterm
+    # usage: fbterm-bi /path/to/image fbterm-options
+
+    echo -ne "\\e[?25l" # hide cursor
+
+    fbv -ciuker "$1" << EOF
+    q
+    EOF
+
+    shift
+    export FBTERM_BACKGROUND_IMAGE=1
+    exec fbterm "$@"
+\fR    
+Attention: 1) do not enable background image on frame buffer device with 8bpp depth, because FbTerm changes color map
+table for correct text rendering; 2) if the screen shot is different from the original image, try to use a fast scrolling
+disabled frame buffer device.
+.SH "256 COLOR EXTENSION"
+FbTerm supports xterm's 256 color mode extension. The first 16 colors are the default terminal colors. Additionally, there's
+a 6x6x6 color cube, and 24 grayscale tones. But xterm's 256 color escape sequences conflict with the linux sequences implemented by FbTerm,
+so private escape sequences were introduced to support this feature:
+\fB
+.br
+
+    ESC [ 1 ; n }                   set foreground color to n (0 - 255)
+    ESC [ 2 ; n }                   set background color to n (0 - 255)
+    ESC [ 3 ; n ; r ; g ; b }       set color n to (r, g, b) ,  n, r, g, b all in (0 - 255)
+\fR
+
+A new terminfo database entry named "fbterm" was added to use these private sequences, all program based on terminfo should work with it.
+By default, FbTerm sets environment variable "TERM" to value "linux", user need run "TERM=fbterm /path/to/program" to enable 256 color mode.
+.SH "INPUT METHOD"
+Instead of adding input method directly in FbTerm, a client-server based input method framework is designed to do
+this work. FbTerm acts as a client, standalone IM program as a server, and they run in separated processes.
+
+As a normal IM user, you should install a IM program written for FbTerm, and specify it as the value of option "\fIinput-method\fR".
+CTRL_SPACE is the shortcut to activate/deactivate input method. And CTRL_ALT_K may be used to kill the IM program when it has freezed. 
+
+.SH "SECURITY NOTES"
+FbTerm tries to change linux kernel key map table to setup shortcuts, which requires \fISYS_TTY_CONFIG\fR capability since kernel
+version 2.6.15. It means FbTerm should be a setuid 0 program to allow non-root users to use shortcuts. FbTerm only
+switches to root privilege temporarily when changing key map table, we believe it's pretty much free from security problems.
+If you really don't like this and have a linux kernel with file system capabilities enabled, which allow user to give
+binaries a subset of root's powers without using setuid 0 (official kernel 2.6.27 includes it), you can run command
+"\fBsudo setcap 'cap_sys_tty_config+ep' /path/to/fbterm\fR".
+
+FbTerm redirects /dev/tty0 output to the pseudo terminal of current sub-window. In linux before version 2.6.10, anybody can do this
+as long as the output was not redirected yet; since version 2.6.10, only root or a process with the \fICAP_SYS_ADMIN\fR capability may do this.
+You should do similar work with above ones for FbTerm to enable this feature for non-root users. 
+
+.SH "PERFORMANCE"
+According test result, FbTerm spends more than 95% time on painting screen. Speedup painting will significantly
+increase performance. Here are some suggestions for frame buffer device:
+
+  * Enable fast scrolling on frame buffer device. The visible screen will be just a window of the video memory,
+when scrolling, FbTerm only change the start of window, no need to repaint the whole screen.
+    
+  * On Intel P6 family processors the Memory Type Range Registers (MTRRs) may be used to control processor access to
+memory ranges. If you have video card on a PCI or AGP bus, enabling write-combining allows bus write transfers
+to be combined into a larger transfer before bursting over the PCI/AGP bus. This can increase performance of
+FbTerm's paint operations.
+
+Maybe you need to enable them manually for your video card. For example, by default fast scrolling and write-combining
+are all disabled on general VESA frame buffer device, GRUB/LILO configure file should be modified to enable them.
+A GRUB example is showed below:
+
+title Ubuntu
+    root (hd0,0)
+    kernel /boot/vmlinuz ro root=LABEL=UBUNTU splash vga=0x317 \fBvideo=vesafb:ywrap,mtrr:3\fR
+    initrd /boot/initrd.img
+    
+You may check fast scrolling status with "\fBfbterm -v\fR", a message with "scrolling: redraw" means fast scrolling
+is disabled, otherwise enabled.
+.SH "AUTHOR"
+Written by dragchan.
+.SH "REPORTING BUGS"
+Please submit bug reports to <\fBhttp://code.google.com/p/fbterm/issues\fR>.
+.SH "COPYRIGHT"
+Copyright \(co 2008-2010 dragchan.  License GPLv2: GNU GPL version 2 or later <http://gnu.org/licenses/gpl.html>.
+.br
+This is free software: you are free to change and redistribute it.  There is NO WARRANTY, to the extent permitted by law.
diff --git a/im/256colors.png b/im/256colors.png
new file mode 100644
index 0000000..ff98632
--- /dev/null
+++ b/im/256colors.png
diff --git a/im/Makefile.am b/im/Makefile.am
new file mode 100644
index 0000000..b7411fe
--- /dev/null
+++ b/im/Makefile.am
@@ -0,0 +1,5 @@
+check_PROGRAMS = imexample
+
+imexample_SOURCES = imapi.h imapi.c keycode.h keycode.c example.c
+
+EXTRA_DIST = 256colors.png
diff --git a/im/Makefile.in b/im/Makefile.in
new file mode 100644
index 0000000..bfc097a
--- /dev/null
+++ b/im/Makefile.in
@@ -0,0 +1,426 @@
+# Makefile.in generated by automake 1.11.1 from Makefile.am.
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+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+# 2003, 2004, 2005, 2006, 2007, 2008, 2009  Free Software Foundation,
+# Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
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+check_PROGRAMS = imexample$(EXEEXT)
+subdir = im
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+top_builddir = @top_builddir@
+top_srcdir = @top_srcdir@
+imexample_SOURCES = imapi.h imapi.c keycode.h keycode.c example.c
+EXTRA_DIST = 256colors.png
+all: all-am
+
+.SUFFIXES:
+.SUFFIXES: .c .o .obj
+$(srcdir)/Makefile.in:  $(srcdir)/Makefile.am  $(am__configure_deps)
+	@for dep in $?; do \
+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
+	        && { if test -f $@; then exit 0; else break; fi; }; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu im/Makefile'; \
+	$(am__cd) $(top_srcdir) && \
+	  $(AUTOMAKE) --gnu im/Makefile
+.PRECIOUS: Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe);; \
+	esac;
+
+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+
+$(top_srcdir)/configure:  $(am__configure_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(ACLOCAL_M4):  $(am__aclocal_m4_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(am__aclocal_m4_deps):
+
+clean-checkPROGRAMS:
+	-test -z "$(check_PROGRAMS)" || rm -f $(check_PROGRAMS)
+imexample$(EXEEXT): $(imexample_OBJECTS) $(imexample_DEPENDENCIES) 
+	@rm -f imexample$(EXEEXT)
+	$(LINK) $(imexample_OBJECTS) $(imexample_LDADD) $(LIBS)
+
+mostlyclean-compile:
+	-rm -f *.$(OBJEXT)
+
+distclean-compile:
+	-rm -f *.tab.c
+
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/example.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/imapi.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/keycode.Po@am__quote@
+
+.c.o:
+@am__fastdepCC_TRUE@	$(COMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
+@am__fastdepCC_TRUE@	$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(COMPILE) -c $<
+
+.c.obj:
+@am__fastdepCC_TRUE@	$(COMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ `$(CYGPATH_W) '$<'`
+@am__fastdepCC_TRUE@	$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
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+
+ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
+	list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
+	unique=`for i in $$list; do \
+	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+	  done | \
+	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
+	      END { if (nonempty) { for (i in files) print i; }; }'`; \
+	mkid -fID $$unique
+tags: TAGS
+
+TAGS:  $(HEADERS) $(SOURCES)  $(TAGS_DEPENDENCIES) \
+		$(TAGS_FILES) $(LISP)
+	set x; \
+	here=`pwd`; \
+	list='$(SOURCES) $(HEADERS)  $(LISP) $(TAGS_FILES)'; \
+	unique=`for i in $$list; do \
+	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+	  done | \
+	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
+	      END { if (nonempty) { for (i in files) print i; }; }'`; \
+	shift; \
+	if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
+	  test -n "$$unique" || unique=$$empty_fix; \
+	  if test $$# -gt 0; then \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      "$$@" $$unique; \
+	  else \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      $$unique; \
+	  fi; \
+	fi
+ctags: CTAGS
+CTAGS:  $(HEADERS) $(SOURCES)  $(TAGS_DEPENDENCIES) \
+		$(TAGS_FILES) $(LISP)
+	list='$(SOURCES) $(HEADERS)  $(LISP) $(TAGS_FILES)'; \
+	unique=`for i in $$list; do \
+	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+	  done | \
+	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
+	      END { if (nonempty) { for (i in files) print i; }; }'`; \
+	test -z "$(CTAGS_ARGS)$$unique" \
+	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+	     $$unique
+
+GTAGS:
+	here=`$(am__cd) $(top_builddir) && pwd` \
+	  && $(am__cd) $(top_srcdir) \
+	  && gtags -i $(GTAGS_ARGS) "$$here"
+
+distclean-tags:
+	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+
+distdir: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
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+	$(MAKE) $(AM_MAKEFLAGS) $(check_PROGRAMS)
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+	$(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	  install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	  `test -z '$(STRIP)' || \
+	    echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-checkPROGRAMS clean-generic mostlyclean-am
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+distclean: distclean-am
+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
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+	-rm -rf ./$(DEPDIR)
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+.MAKE: check-am install-am install-strip
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+.PHONY: CTAGS GTAGS all all-am check check-am clean \
+	clean-checkPROGRAMS clean-generic ctags distclean \
+	distclean-compile distclean-generic distclean-tags distdir dvi \
+	dvi-am html html-am info info-am install install-am \
+	install-data install-data-am install-dvi install-dvi-am \
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+	uninstall-am
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/im/example.c b/im/example.c
new file mode 100644
index 0000000..60818ce
--- /dev/null
+++ b/im/example.c
@@ -0,0 +1,128 @@
+/*
+ *   Copyright © 2008-2010 dragchan <zgchan317@gmail.com>
+ *   This file is part of FbTerm.
+ *
+ *   This program is free software; you can redistribute it and/or
+ *   modify it under the terms of the GNU General Public License
+ *   as published by the Free Software Foundation; either version 2
+ *   of the License, or (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "imapi.h"
+#include "keycode.h"
+
+static char raw_mode = 1;
+static unsigned cursorx, cursory;
+
+static void im_active()
+{
+	if (raw_mode) {
+		init_keycode_state();
+	}
+}
+
+static void im_deactive()
+{
+	Rectangle rect = { 0, 0, 0, 0 };
+	set_im_window(0, rect);
+	set_im_window(1, rect);
+}
+
+static void process_raw_key(char *buf, unsigned len)
+{
+	unsigned i;
+	for (i = 0; i < len; i++) {
+		char down = !(buf[i] & 0x80);
+		short code = buf[i] & 0x7f;
+
+		if (!code) {
+			if (i + 2 >= len) break;
+
+			code = (buf[++i] & 0x7f) << 7;
+			code |= buf[++i] & 0x7f;
+			if (!(buf[i] & 0x80) || !(buf[i - 1] & 0x80)) continue;
+		}
+
+		unsigned short keysym = keycode_to_keysym(code, down);
+		char *str = keysym_to_term_string(keysym, down);
+
+		put_im_text(str, strlen(str));
+	}
+}
+
+static void process_key(char *keys, unsigned len)
+{
+	if (raw_mode) {
+		process_raw_key(keys, len);
+	} else {
+		put_im_text(keys, len);
+	}
+}
+
+static void im_show(unsigned winid)
+{
+	static const char str[] = "a IM example";
+
+	Rectangle rect;
+	rect.x = cursorx + 10, rect.y = cursory + 10;
+	rect.w = 40, rect.h = 20;
+
+	set_im_window(0, rect);
+	fill_rect(rect, Gray);
+
+	rect.y += rect.h + 10;
+	rect.w = 180;
+	rect.h = 30;
+
+	set_im_window(1, rect);
+	fill_rect(rect, Gray);
+	draw_text(rect.x + 5, rect.y + 5, Black, Gray, str, sizeof(str) - 1);
+}
+
+static void im_hide()
+{
+}
+
+static void cursor_pos_changed(unsigned x, unsigned y)
+{
+	cursorx = x;
+	cursory = y;
+	im_show(-1);
+}
+
+static void update_fbterm_info(Info *info)
+{
+}
+
+static ImCallbacks cbs = {
+	im_active, // .active
+	im_deactive, // .deactive
+	im_show,	 // .show_ui
+	im_hide, // .hide_ui
+	process_key, // .send_key
+	cursor_pos_changed, // .cursor_position
+	update_fbterm_info, // .fbterm_info
+	update_term_mode // .term_mode
+};
+
+int main()
+{
+	register_im_callbacks(cbs);
+	connect_fbterm(raw_mode);
+	while (check_im_message()) ;
+
+	return 0;
+}
diff --git a/im/imapi.c b/im/imapi.c
new file mode 100644
index 0000000..0bbb127
--- /dev/null
+++ b/im/imapi.c
@@ -0,0 +1,279 @@
+/*
+ *   Copyright © 2008-2010 dragchan <zgchan317@gmail.com>
+ *   This file is part of FbTerm.
+ *
+ *   This program is free software; you can redistribute it and/or
+ *   modify it under the terms of the GNU General Public License
+ *   as published by the Free Software Foundation; either version 2
+ *   of the License, or (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include <stdint.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include "imapi.h"
+
+#define OFFSET(TYPE, MEMBER) ((size_t)(&(((TYPE *)0)->MEMBER)))
+#define MSG(a) ((Message *)(a))
+
+static int imfd = -1;
+static ImCallbacks cbs;
+static char pending_msg_buf[10240];
+static unsigned pending_msg_buf_len = 0;
+static int im_active = 0;
+
+static void wait_message(MessageType type);
+
+void register_im_callbacks(ImCallbacks callbacks)
+{
+	cbs = callbacks;
+}
+
+int get_im_socket()
+{
+	static char init = 0;
+	if (!init) {
+		init = 1;
+
+		char *val = getenv("FBTERM_IM_SOCKET");
+		if (val) {
+			char *tail;
+			int fd = strtol(val, &tail, 0);
+			if (!*tail) imfd = fd;
+		}
+	}
+
+	return imfd;
+}
+
+void connect_fbterm(char raw)
+{
+	get_im_socket();
+	if (imfd == -1) return;
+
+	Message msg;
+	msg.type = Connect;
+	msg.len = sizeof(msg);
+	msg.raw = (raw ? 1 : 0);
+	int ret = write(imfd, (char *)&msg, sizeof(msg));
+}
+
+void put_im_text(const char *text, unsigned len)
+{
+	if (imfd == -1 || !im_active || !text || !len || (OFFSET(Message, texts) + len > UINT16_MAX)) return;
+
+	char buf[OFFSET(Message, texts) + len];
+
+	MSG(buf)->type = PutText;
+	MSG(buf)->len = sizeof(buf);
+	memcpy(MSG(buf)->texts, text, len);
+
+	int ret = write(imfd, buf, MSG(buf)->len);
+}
+
+void set_im_window(unsigned id, Rectangle rect)
+{
+	if (imfd == -1 || !im_active || id >= NR_IM_WINS) return;
+
+	Message msg;
+	msg.type = SetWin;
+	msg.len = sizeof(msg);
+	msg.win.winid = id;
+	msg.win.rect = rect;
+
+	int ret = write(imfd, (char *)&msg, sizeof(msg));
+	wait_message(AckWin);
+}
+
+void fill_rect(Rectangle rect, unsigned char color)
+{
+	Message msg;
+	msg.type = FillRect;
+	msg.len = sizeof(msg);
+
+	msg.fillRect.rect = rect;
+	msg.fillRect.color = color;
+
+	int ret = write(imfd, (char *)&msg, sizeof(msg));
+}
+
+void draw_text(unsigned x, unsigned y, unsigned char fc, unsigned char bc, const char *text, unsigned len)
+{
+	if (!text || !len) return;
+
+	char buf[OFFSET(Message, drawText.texts) + len];
+
+	MSG(buf)->type = DrawText;
+	MSG(buf)->len = sizeof(buf);
+
+	MSG(buf)->drawText.x = x;
+	MSG(buf)->drawText.y = y;
+	MSG(buf)->drawText.fc = fc;
+	MSG(buf)->drawText.bc = bc;
+	memcpy(MSG(buf)->drawText.texts, text, len);
+
+	int ret = write(imfd, buf, MSG(buf)->len);
+}
+
+static int process_message(Message *msg)
+{
+	int exit = 0;
+
+	switch (msg->type) {
+	case Disconnect:
+		close(imfd);
+		imfd = -1;
+		exit = 1;
+		break;
+
+	case FbTermInfo:
+		if (cbs.fbterm_info) {
+			cbs.fbterm_info(&msg->info);
+		}
+		break;
+
+	case Active:
+		im_active = 1;
+		if (cbs.active) {
+			cbs.active();
+		}
+		break;
+
+	case Deactive:
+		if (cbs.deactive) {
+			cbs.deactive();
+		}
+		im_active = 0;
+		break;
+
+	case ShowUI:
+		if (im_active && cbs.show_ui) {
+			cbs.show_ui(msg->winid);
+		}
+		break;
+
+	case HideUI: {
+		if (im_active && cbs.hide_ui) {
+			cbs.hide_ui();
+		}
+
+		Message msg;
+		msg.type = AckHideUI;
+		msg.len = sizeof(msg);
+		int ret = write(imfd, (char *)&msg, sizeof(msg));
+		break;
+		}
+
+	case SendKey:
+		if (im_active && cbs.send_key) {
+				cbs.send_key(msg->keys, msg->len - OFFSET(Message, keys));
+		}
+		break;
+
+	case CursorPosition:
+		if (im_active && cbs.cursor_position) {
+			cbs.cursor_position(msg->cursor.x, msg->cursor.y);
+		}
+		break;
+
+	case TermMode:
+		if (im_active && cbs.term_mode) {
+			cbs.term_mode(msg->term.crWithLf, msg->term.applicKeypad, msg->term.cursorEscO);
+		}
+		break;
+
+	default:
+		break;
+	}
+
+	return exit;
+}
+
+static int process_messages(char *buf, int len)
+{
+	char *cur = buf, *end = cur + len;
+	int exit = 0;
+
+	for (; cur < end && MSG(cur)->len <= (end - cur); cur += MSG(cur)->len) {
+		exit |= process_message(MSG(cur));
+	}
+
+	return exit;
+}
+
+static void wait_message(MessageType type)
+{
+	int ack = 0;
+	while (!ack) {
+		char *cur = pending_msg_buf + pending_msg_buf_len;
+		int len = read(imfd, cur, sizeof(pending_msg_buf) - pending_msg_buf_len);
+
+		if (len == -1 && (errno == EAGAIN || errno == EINTR)) continue;
+		else if (len <= 0) {
+			close(imfd);
+			imfd = -1;
+			return;
+		}
+
+		pending_msg_buf_len += len;
+
+		char *end = cur + len;
+		for (; cur < end && MSG(cur)->len <= (end - cur); cur += MSG(cur)->len) {
+			if (MSG(cur)->type == type) {
+				memcpy(cur, cur + MSG(cur)->len, end - cur - MSG(cur)->len);
+				pending_msg_buf_len -= MSG(cur)->len;
+
+				ack = 1;
+				break;
+			}
+		}
+	}
+
+	if (pending_msg_buf_len) {
+		Message msg;
+		msg.type = Ping;
+		msg.len = sizeof(msg);
+		int ret = write(imfd, (char *)&msg, sizeof(msg));
+	}
+}
+
+int check_im_message()
+{
+	if (imfd == -1) return 0;
+
+	char buf[sizeof(pending_msg_buf)];
+	int len, exit = 0;
+
+	if (pending_msg_buf_len) {
+		len = pending_msg_buf_len;
+		pending_msg_buf_len = 0;
+
+		memcpy(buf, pending_msg_buf, len);
+		exit |= process_messages(buf, len);
+	}
+
+	len = read(imfd, buf, sizeof(buf));
+
+	if (len == -1 && (errno == EAGAIN || errno == EINTR)) return 1;
+	else if (len <= 0) {
+		close(imfd);
+		imfd = -1;
+		return 0;
+	}
+
+	exit |= process_messages(buf, len);
+
+	return !exit;
+}
diff --git a/im/imapi.h b/im/imapi.h
new file mode 100644
index 0000000..e363241
--- /dev/null
+++ b/im/imapi.h
@@ -0,0 +1,147 @@
+/*
+ *   Copyright © 2008-2010 dragchan <zgchan317@gmail.com>
+ *   This file is part of FbTerm.
+ *
+ *   This program is free software; you can redistribute it and/or
+ *   modify it under the terms of the GNU General Public License
+ *   as published by the Free Software Foundation; either version 2
+ *   of the License, or (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+/**
+ * FbTerm provides a set of wrapped API to simply the IM server development. The API encapsulates input method message sending,
+ * receiving and processing.
+ */
+
+#ifndef IM_API_H
+#define IM_API_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "immessage.h"
+
+typedef void (*ActiveFun)();
+typedef void (*DeactiveFun)();
+
+/// @param winid indicates which window should be redrawn, -1 means redraw all UI window. @see set_im_window()
+typedef void (*ShowUIFun)(unsigned winid);
+typedef void (*HideUIFun)();
+typedef void (*SendKeyFun)(char *keys, unsigned len);
+typedef void (*CursorPositionFun)(unsigned x, unsigned y);
+typedef void (*FbTermInfoFun)(Info *info);
+typedef void (*TermModeFun)(char crlf, char appkey, char curo);
+
+typedef struct {
+	ActiveFun active; ///< called when receiving a Active message
+	DeactiveFun deactive; ///< called when receiving a Deactive message
+	ShowUIFun show_ui; ///< called when receiving a ShowUI message
+	HideUIFun hide_ui; ///< called when receiving a HideUI message
+	SendKeyFun send_key; ///< called when receiving a SendKey message
+	CursorPositionFun cursor_position; ///< called when receiving a CursorPosition message
+	FbTermInfoFun fbterm_info; ///< called when receiving a FbTermInfo message
+	TermModeFun term_mode; ///< called when receiving a TermMode message
+} ImCallbacks;
+
+/**
+ * @brief register message call-back functions:
+ * @param callbacks
+ */
+extern void register_im_callbacks(ImCallbacks callbacks);
+
+/**
+ * @brief send message Connect to FbTerm
+ * @param mode keyboard input mode
+ *
+ * FbTerm provides two kinds of keyboard input modes, IM server can choose a favorite one with parameter mode of
+ * connect_fbterm().
+ *
+ * If mode equals zero, IM server will receive characters translated by kernel with current keymap in SendKey messages.
+ * There are some disadvantages in this mode, for example, shortcuts composed with only modifiers are impossible.
+ * ( shortcuts composed with modifiers and normal keys can create a map if they are not mapped in current kernel keymap,
+ * maybe we need add new messages like RequestKeyMap and AckKeyMap used by IM server to ask FbTerm to do this work. )
+
+ * If mode is non-zero, FbTerm sets keyboard mode to K_MEDIUMRAW after Active Message, IM server will receive raw keycode
+ * from kernel and have full control for keyboard, except FbTerm's shortcuts, e.g. Ctrl + Space.
+ * Under this mode, IM server should translate keycodes to keysyms according current kernel keymap, change keyboard led
+ * state and translate keysyms to characters if it want to send user input back to FbTerm. Because some translation of
+ * keysyms to characters are not fixed (e.g. cursor movement keysym K_LEFT can be 'ESC [ D' or 'ESC O D'), message TermMode
+ * sent by FbTerm is used to help IM server do this translation.
+ *
+ * keycode.c/keycode.h provides some functions to translate keycode to keysym and keysym to characters.
+ */
+extern void connect_fbterm(char mode);
+
+/**
+ * @brief get the file descriptor of the unix socket used to transfer IM messages.
+ * @return file id of the socket connected to FbTerm
+ *
+ * Because check_im_message() blocks until a message arrives, IM server can use select/poll to monitor other file
+ * descriptors among with the one from get_im_socket().
+ */
+extern int get_im_socket();
+
+/**
+ * @brief receive IM messages from FbTerm and dispatch them to functions registered with register_im_callbacks()
+ * @return zero if DisconnectIM messages has been received, otherwise non-zero
+ */
+extern int check_im_message();
+
+/**
+ * @brief send message PutText to FbTerm
+ * @param text	translated text from user keyboard input, must be encoded with utf8
+ * @param len	text's length
+ */
+extern void put_im_text(const char *text, unsigned len);
+
+/**
+ * @brief send message SetWin to FbTerm and wait until AckWin has arrived
+ * @param winid	the window id, must less than NR_IM_WINS
+ * @param rect	the rectangle of this window area
+ *
+ * every UI window (e.g. status bar, candidate table, etc) should have a unique win id.
+ */
+extern void set_im_window(unsigned winid, Rectangle rect);
+
+/**
+ * The colors of xterm's 256 color mode supported by FbTerm can be used in fill_rect() and draw_text().
+ * ColorType defines the first 16 colors with standard linux console.
+ * view 256colors.png for all colors.
+ */
+typedef enum { Black = 0, DarkRed, DarkGreen, DarkYellow, DarkBlue, DarkMagenta, DarkCyan, Gray,
+	DarkGray, Red, Green, Yellow, Blue, Magenta, Cyan, White } ColorType;
+
+/**
+ * @brief send message FillRect to FbTerm
+ * @param rect	the rectangle to be filled
+ * @param color
+ */
+extern void fill_rect(Rectangle rect, unsigned char color);
+
+/**
+ * @breif send message DrawText to FbTerm
+ * @param x		x axes of top left point
+ * @param y		y axes of top left point
+ * @param fc	foreground color
+ * @param bc	background color
+ * @param text	text to be drawn, must be encoding with utf8
+ * @param len	text's length
+ */
+extern void draw_text(unsigned x, unsigned y, unsigned char fc, unsigned char bc, const char *text, unsigned len);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/im/keycode.c b/im/keycode.c
new file mode 100644
index 0000000..d0c3b6d
--- /dev/null
+++ b/im/keycode.c
@@ -0,0 +1,293 @@
+/*
+ *   Copyright © 2008-2010 dragchan <zgchan317@gmail.com>
+ *   This file is part of FbTerm.
+ *
+ *   This program is free software; you can redistribute it and/or
+ *   modify it under the terms of the GNU General Public License
+ *   as published by the Free Software Foundation; either version 2
+ *   of the License, or (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include <unistd.h>
+#include <string.h>
+#include <stdio.h>
+#include <sys/ioctl.h>
+#include <linux/kd.h>
+#include <linux/keyboard.h>
+#include <linux/input.h>
+#include "input_key.h"
+
+static char key_down[NR_KEYS];
+static unsigned char shift_down[NR_SHIFT];
+static short shift_state;
+static char lock_state;
+static char cr_with_lf, applic_keypad, cursor_esco;
+static int npadch;
+
+void init_keycode_state()
+{
+	npadch = -1;
+	shift_state = 0;
+	memset(key_down, 0, sizeof(char) * NR_KEYS);
+	memset(shift_down, 0, sizeof(char) * NR_SHIFT);
+	ioctl(STDIN_FILENO, KDGKBLED, &lock_state);
+}
+
+void update_term_mode(char crlf, char appkey, char curo)
+{
+    cr_with_lf = crlf;
+    applic_keypad = appkey;
+    cursor_esco = curo;
+}
+
+unsigned short keycode_to_keysym(unsigned short keycode, char down)
+{
+	if (keycode >= NR_KEYS) return K_HOLE;
+
+	char rep = (down && key_down[keycode]);
+	key_down[keycode] = down;
+
+	struct kbentry ke;
+	ke.kb_table = shift_state;
+	ke.kb_index = keycode;
+
+	if (ioctl(STDIN_FILENO, KDGKBENT, &ke) == -1) return K_HOLE;
+
+	if (KTYP(ke.kb_value) == KT_LETTER && (lock_state & K_CAPSLOCK)) {
+		ke.kb_table = shift_state ^ (1 << KG_SHIFT);
+		if (ioctl(STDIN_FILENO, KDGKBENT, &ke) == -1) return K_HOLE;
+	}
+
+	if (ke.kb_value == K_HOLE || ke.kb_value == K_NOSUCHMAP) return K_HOLE;
+
+	unsigned value = KVAL(ke.kb_value);
+
+	switch (KTYP(ke.kb_value)) {
+	case KT_SPEC:
+		switch (ke.kb_value) {
+		case K_NUM:
+			if (applic_keypad) break;
+		case K_BARENUMLOCK:
+		case K_CAPS:
+		case K_CAPSON:
+			if (down && !rep) {
+				if (value == KVAL(K_NUM) || value == KVAL(K_BARENUMLOCK)) lock_state ^= K_NUMLOCK;
+				else if (value == KVAL(K_CAPS)) lock_state ^= K_CAPSLOCK;
+				else if (value == KVAL(K_CAPSON)) lock_state |= K_CAPSLOCK;
+
+				ioctl(STDIN_FILENO, KDSKBLED, lock_state);
+			}
+			break;
+
+		default:
+			break;
+		}
+		break;
+
+	case KT_SHIFT:
+		if (value >= NR_SHIFT || rep) break;
+
+		if (value == KVAL(K_CAPSSHIFT)) {
+			value = KVAL(K_SHIFT);
+
+			if (down && (lock_state & K_CAPSLOCK)) {
+				lock_state &= ~K_CAPSLOCK;
+				ioctl(STDIN_FILENO, KDSKBLED, lock_state);
+			}
+		}
+
+		if (down) shift_down[value]++;
+		else if (shift_down[value]) shift_down[value]--;
+
+		if (shift_down[value]) shift_state |= (1 << value);
+		else shift_state &= ~(1 << value);
+
+		break;
+
+	case KT_LATIN:
+	case KT_LETTER:
+	case KT_FN:
+	case KT_PAD:
+	case KT_CONS:
+	case KT_CUR:
+	case KT_META:
+	case KT_ASCII:
+		break;
+
+	default:
+		printf("not support!\n");
+		break;
+	}
+
+	return ke.kb_value;
+}
+
+unsigned short keypad_keysym_redirect(unsigned short keysym)
+{
+	if (applic_keypad || KTYP(keysym) != KT_PAD || KVAL(keysym) >= NR_PAD) return keysym;
+
+	#define KL(val) K(KT_LATIN, val)
+	static const unsigned short num_map[] = {
+		KL('0'), KL('1'), KL('2'), KL('3'), KL('4'),
+		KL('5'), KL('6'), KL('7'), KL('8'), KL('9'),
+		KL('+'), KL('-'), KL('*'), KL('/'), K_ENTER,
+		KL(','), KL('.'), KL('?'), KL('('), KL(')'),
+		KL('#')
+	};
+
+	static const unsigned short fn_map[] = {
+		K_INSERT, K_SELECT, K_DOWN, K_PGDN, K_LEFT,
+		K_P5, K_RIGHT, K_FIND, K_UP, K_PGUP,
+		KL('+'), KL('-'), KL('*'), KL('/'), K_ENTER,
+		K_REMOVE, K_REMOVE, KL('?'), KL('('), KL(')'),
+		KL('#')
+	};
+
+	if (lock_state & K_NUMLOCK) return num_map[keysym - K_P0];
+	return fn_map[keysym - K_P0];
+}
+
+
+static unsigned to_utf8(unsigned c, char *buf)
+{
+	unsigned index = 0;
+
+	if (c < 0x80)
+		buf[index++] = c;
+	else if (c < 0x800) {
+		// 110***** 10******
+		buf[index++] = 0xc0 | (c >> 6);
+		buf[index++] = 0x80 | (c & 0x3f);
+	} else if (c < 0x10000) {
+		if (c >= 0xD800 && c < 0xE000)
+			return index;
+		if (c == 0xFFFF)
+			return index;
+		// 1110**** 10****** 10******
+		buf[index++] = 0xe0 | (c >> 12);
+		buf[index++] = 0x80 | ((c >> 6) & 0x3f);
+		buf[index++] = 0x80 | (c & 0x3f);
+	} else if (c < 0x200000) {
+		// 11110*** 10****** 10****** 10******
+		buf[index++] = 0xf0 | (c >> 18);
+		buf[index++] = 0x80 | ((c >> 12) & 0x3f);
+		buf[index++] = 0x80 | ((c >> 6) & 0x3f);
+		buf[index++] = 0x80 | (c & 0x3f);
+	}
+
+	return index;
+}
+
+
+char *keysym_to_term_string(unsigned short keysym, char down)
+{
+	static struct kbsentry kse;
+	char *buf = (char *)kse.kb_string;
+	*buf = 0;
+
+	if (KTYP(keysym) != KT_SHIFT && !down) return buf;
+
+	keysym = keypad_keysym_redirect(keysym);
+	unsigned index = 0, value = KVAL(keysym);
+
+
+	switch (KTYP(keysym)) {
+	case KT_LATIN:
+	case KT_LETTER:
+		if (value < KVAL(AC_START) || value > KVAL(AC_END)) index = to_utf8(value, buf);
+		break;
+
+	case KT_FN:
+		kse.kb_func = value;
+		ioctl(STDIN_FILENO, KDGKBSENT, &kse);
+		index = strlen(buf);
+		break;
+
+	case KT_SPEC:
+		if (keysym == K_ENTER) {
+			buf[index++] = '\r';
+			if (cr_with_lf) buf[index++] = '\n';
+		} else if (keysym == K_NUM && applic_keypad) {
+			buf[index++] = '\e';
+			buf[index++] = 'O';
+			buf[index++] = 'P';
+		}
+		break;
+
+	case KT_PAD:
+		if (applic_keypad && !shift_down[KG_SHIFT]) {
+			if (value < NR_PAD) {
+				static const char app_map[] = "pqrstuvwxylSRQMnnmPQS";
+
+				buf[index++] = '\e';
+				buf[index++] = 'O';
+				buf[index++] = app_map[value];
+			}
+		} else if (keysym == K_P5 && !(lock_state & K_NUMLOCK)) {
+			buf[index++] = '\e';
+			buf[index++] = (applic_keypad ? 'O' : '[');
+			buf[index++] = 'G';
+		}
+		break;
+
+	case KT_CUR:
+		if (value < 4) {
+			static const char cur_chars[] = "BDCA";
+
+			buf[index++] = '\e';
+			buf[index++] = (cursor_esco ? 'O' : '[');
+			buf[index++] = cur_chars[value];
+		}
+		break;
+
+	case KT_META: {
+		long flag;
+		ioctl(STDIN_FILENO, KDGKBMETA, &flag);
+
+		if (flag == K_METABIT) {
+			buf[index++] = 0x80 | value;
+		} else {
+			buf[index++] = '\e';
+			buf[index++] = value;
+		}
+		break;
+	}
+
+	case KT_SHIFT:
+		if (!down && npadch != -1) {
+			index = to_utf8(npadch, buf);
+			npadch = -1;
+		}
+		break;
+
+	case KT_ASCII:
+		if (value < NR_ASCII) {
+			int base = 10;
+
+			if (value >= KVAL(K_HEX0)) {
+				base = 16;
+				value -= KVAL(K_HEX0);
+			}
+
+			if (npadch == -1) npadch = value;
+			else npadch = npadch * base + value;
+		}
+		break;
+
+	default:
+		break;
+	}
+
+	buf[index] = 0;
+	return buf;
+}
diff --git a/im/keycode.h b/im/keycode.h
new file mode 100644
index 0000000..a324037
--- /dev/null
+++ b/im/keycode.h
@@ -0,0 +1,42 @@
+/*
+ *   Copyright © 2008-2010 dragchan <zgchan317@gmail.com>
+ *   This file is part of FbTerm.
+ *
+ *   This program is free software; you can redistribute it and/or
+ *   modify it under the terms of the GNU General Public License
+ *   as published by the Free Software Foundation; either version 2
+ *   of the License, or (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#ifndef KEYCODE_H
+#define KEYCODE_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void init_keycode_state();
+
+void update_term_mode(char crlf, char appkey, char curo);
+
+unsigned short keycode_to_keysym(unsigned short keycode, char down);
+
+unsigned short keypad_keysym_redirect(unsigned short keysym);
+
+char *keysym_to_term_string(unsigned short keysym, char down);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/install-sh b/install-sh
new file mode 100755
index 0000000..6781b98
--- /dev/null
+++ b/install-sh
@@ -0,0 +1,520 @@
+#!/bin/sh
+# install - install a program, script, or datafile
+
+scriptversion=2009-04-28.21; # UTC
+
+# This originates from X11R5 (mit/util/scripts/install.sh), which was
+# later released in X11R6 (xc/config/util/install.sh) with the
+# following copyright and license.
+#
+# Copyright (C) 1994 X Consortium
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to
+# deal in the Software without restriction, including without limitation the
+# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+# sell copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+# X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC-
+# TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+# Except as contained in this notice, the name of the X Consortium shall not
+# be used in advertising or otherwise to promote the sale, use or other deal-
+# ings in this Software without prior written authorization from the X Consor-
+# tium.
+#
+#
+# FSF changes to this file are in the public domain.
+#
+# Calling this script install-sh is preferred over install.sh, to prevent
+# `make' implicit rules from creating a file called install from it
+# when there is no Makefile.
+#
+# This script is compatible with the BSD install script, but was written
+# from scratch.
+
+nl='
+'
+IFS=" ""	$nl"
+
+# set DOITPROG to echo to test this script
+
+# Don't use :- since 4.3BSD and earlier shells don't like it.
+doit=${DOITPROG-}
+if test -z "$doit"; then
+  doit_exec=exec
+else
+  doit_exec=$doit
+fi
+
+# Put in absolute file names if you don't have them in your path;
+# or use environment vars.
+
+chgrpprog=${CHGRPPROG-chgrp}
+chmodprog=${CHMODPROG-chmod}
+chownprog=${CHOWNPROG-chown}
+cmpprog=${CMPPROG-cmp}
+cpprog=${CPPROG-cp}
+mkdirprog=${MKDIRPROG-mkdir}
+mvprog=${MVPROG-mv}
+rmprog=${RMPROG-rm}
+stripprog=${STRIPPROG-strip}
+
+posix_glob='?'
+initialize_posix_glob='
+  test "$posix_glob" != "?" || {
+    if (set -f) 2>/dev/null; then
+      posix_glob=
+    else
+      posix_glob=:
+    fi
+  }
+'
+
+posix_mkdir=
+
+# Desired mode of installed file.
+mode=0755
+
+chgrpcmd=
+chmodcmd=$chmodprog
+chowncmd=
+mvcmd=$mvprog
+rmcmd="$rmprog -f"
+stripcmd=
+
+src=
+dst=
+dir_arg=
+dst_arg=
+
+copy_on_change=false
+no_target_directory=
+
+usage="\
+Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE
+   or: $0 [OPTION]... SRCFILES... DIRECTORY
+   or: $0 [OPTION]... -t DIRECTORY SRCFILES...
+   or: $0 [OPTION]... -d DIRECTORIES...
+
+In the 1st form, copy SRCFILE to DSTFILE.
+In the 2nd and 3rd, copy all SRCFILES to DIRECTORY.
+In the 4th, create DIRECTORIES.
+
+Options:
+     --help     display this help and exit.
+     --version  display version info and exit.
+
+  -c            (ignored)
+  -C            install only if different (preserve the last data modification time)
+  -d            create directories instead of installing files.
+  -g GROUP      $chgrpprog installed files to GROUP.
+  -m MODE       $chmodprog installed files to MODE.
+  -o USER       $chownprog installed files to USER.
+  -s            $stripprog installed files.
+  -t DIRECTORY  install into DIRECTORY.
+  -T            report an error if DSTFILE is a directory.
+
+Environment variables override the default commands:
+  CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG
+  RMPROG STRIPPROG
+"
+
+while test $# -ne 0; do
+  case $1 in
+    -c) ;;
+
+    -C) copy_on_change=true;;
+
+    -d) dir_arg=true;;
+
+    -g) chgrpcmd="$chgrpprog $2"
+	shift;;
+
+    --help) echo "$usage"; exit $?;;
+
+    -m) mode=$2
+	case $mode in
+	  *' '* | *'	'* | *'
+'*	  | *'*'* | *'?'* | *'['*)
+	    echo "$0: invalid mode: $mode" >&2
+	    exit 1;;
+	esac
+	shift;;
+
+    -o) chowncmd="$chownprog $2"
+	shift;;
+
+    -s) stripcmd=$stripprog;;
+
+    -t) dst_arg=$2
+	shift;;
+
+    -T) no_target_directory=true;;
+
+    --version) echo "$0 $scriptversion"; exit $?;;
+
+    --)	shift
+	break;;
+
+    -*)	echo "$0: invalid option: $1" >&2
+	exit 1;;
+
+    *)  break;;
+  esac
+  shift
+done
+
+if test $# -ne 0 && test -z "$dir_arg$dst_arg"; then
+  # When -d is used, all remaining arguments are directories to create.
+  # When -t is used, the destination is already specified.
+  # Otherwise, the last argument is the destination.  Remove it from $@.
+  for arg
+  do
+    if test -n "$dst_arg"; then
+      # $@ is not empty: it contains at least $arg.
+      set fnord "$@" "$dst_arg"
+      shift # fnord
+    fi
+    shift # arg
+    dst_arg=$arg
+  done
+fi
+
+if test $# -eq 0; then
+  if test -z "$dir_arg"; then
+    echo "$0: no input file specified." >&2
+    exit 1
+  fi
+  # It's OK to call `install-sh -d' without argument.
+  # This can happen when creating conditional directories.
+  exit 0
+fi
+
+if test -z "$dir_arg"; then
+  trap '(exit $?); exit' 1 2 13 15
+
+  # Set umask so as not to create temps with too-generous modes.
+  # However, 'strip' requires both read and write access to temps.
+  case $mode in
+    # Optimize common cases.
+    *644) cp_umask=133;;
+    *755) cp_umask=22;;
+
+    *[0-7])
+      if test -z "$stripcmd"; then
+	u_plus_rw=
+      else
+	u_plus_rw='% 200'
+      fi
+      cp_umask=`expr '(' 777 - $mode % 1000 ')' $u_plus_rw`;;
+    *)
+      if test -z "$stripcmd"; then
+	u_plus_rw=
+      else
+	u_plus_rw=,u+rw
+      fi
+      cp_umask=$mode$u_plus_rw;;
+  esac
+fi
+
+for src
+do
+  # Protect names starting with `-'.
+  case $src in
+    -*) src=./$src;;
+  esac
+
+  if test -n "$dir_arg"; then
+    dst=$src
+    dstdir=$dst
+    test -d "$dstdir"
+    dstdir_status=$?
+  else
+
+    # Waiting for this to be detected by the "$cpprog $src $dsttmp" command
+    # might cause directories to be created, which would be especially bad
+    # if $src (and thus $dsttmp) contains '*'.
+    if test ! -f "$src" && test ! -d "$src"; then
+      echo "$0: $src does not exist." >&2
+      exit 1
+    fi
+
+    if test -z "$dst_arg"; then
+      echo "$0: no destination specified." >&2
+      exit 1
+    fi
+
+    dst=$dst_arg
+    # Protect names starting with `-'.
+    case $dst in
+      -*) dst=./$dst;;
+    esac
+
+    # If destination is a directory, append the input filename; won't work
+    # if double slashes aren't ignored.
+    if test -d "$dst"; then
+      if test -n "$no_target_directory"; then
+	echo "$0: $dst_arg: Is a directory" >&2
+	exit 1
+      fi
+      dstdir=$dst
+      dst=$dstdir/`basename "$src"`
+      dstdir_status=0
+    else
+      # Prefer dirname, but fall back on a substitute if dirname fails.
+      dstdir=`
+	(dirname "$dst") 2>/dev/null ||
+	expr X"$dst" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+	     X"$dst" : 'X\(//\)[^/]' \| \
+	     X"$dst" : 'X\(//\)$' \| \
+	     X"$dst" : 'X\(/\)' \| . 2>/dev/null ||
+	echo X"$dst" |
+	    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+		   s//\1/
+		   q
+		 }
+		 /^X\(\/\/\)[^/].*/{
+		   s//\1/
+		   q
+		 }
+		 /^X\(\/\/\)$/{
+		   s//\1/
+		   q
+		 }
+		 /^X\(\/\).*/{
+		   s//\1/
+		   q
+		 }
+		 s/.*/./; q'
+      `
+
+      test -d "$dstdir"
+      dstdir_status=$?
+    fi
+  fi
+
+  obsolete_mkdir_used=false
+
+  if test $dstdir_status != 0; then
+    case $posix_mkdir in
+      '')
+	# Create intermediate dirs using mode 755 as modified by the umask.
+	# This is like FreeBSD 'install' as of 1997-10-28.
+	umask=`umask`
+	case $stripcmd.$umask in
+	  # Optimize common cases.
+	  *[2367][2367]) mkdir_umask=$umask;;
+	  .*0[02][02] | .[02][02] | .[02]) mkdir_umask=22;;
+
+	  *[0-7])
+	    mkdir_umask=`expr $umask + 22 \
+	      - $umask % 100 % 40 + $umask % 20 \
+	      - $umask % 10 % 4 + $umask % 2
+	    `;;
+	  *) mkdir_umask=$umask,go-w;;
+	esac
+
+	# With -d, create the new directory with the user-specified mode.
+	# Otherwise, rely on $mkdir_umask.
+	if test -n "$dir_arg"; then
+	  mkdir_mode=-m$mode
+	else
+	  mkdir_mode=
+	fi
+
+	posix_mkdir=false
+	case $umask in
+	  *[123567][0-7][0-7])
+	    # POSIX mkdir -p sets u+wx bits regardless of umask, which
+	    # is incompatible with FreeBSD 'install' when (umask & 300) != 0.
+	    ;;
+	  *)
+	    tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$
+	    trap 'ret=$?; rmdir "$tmpdir/d" "$tmpdir" 2>/dev/null; exit $ret' 0
+
+	    if (umask $mkdir_umask &&
+		exec $mkdirprog $mkdir_mode -p -- "$tmpdir/d") >/dev/null 2>&1
+	    then
+	      if test -z "$dir_arg" || {
+		   # Check for POSIX incompatibilities with -m.
+		   # HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or
+		   # other-writeable bit of parent directory when it shouldn't.
+		   # FreeBSD 6.1 mkdir -m -p sets mode of existing directory.
+		   ls_ld_tmpdir=`ls -ld "$tmpdir"`
+		   case $ls_ld_tmpdir in
+		     d????-?r-*) different_mode=700;;
+		     d????-?--*) different_mode=755;;
+		     *) false;;
+		   esac &&
+		   $mkdirprog -m$different_mode -p -- "$tmpdir" && {
+		     ls_ld_tmpdir_1=`ls -ld "$tmpdir"`
+		     test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1"
+		   }
+		 }
+	      then posix_mkdir=:
+	      fi
+	      rmdir "$tmpdir/d" "$tmpdir"
+	    else
+	      # Remove any dirs left behind by ancient mkdir implementations.
+	      rmdir ./$mkdir_mode ./-p ./-- 2>/dev/null
+	    fi
+	    trap '' 0;;
+	esac;;
+    esac
+
+    if
+      $posix_mkdir && (
+	umask $mkdir_umask &&
+	$doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir"
+      )
+    then :
+    else
+
+      # The umask is ridiculous, or mkdir does not conform to POSIX,
+      # or it failed possibly due to a race condition.  Create the
+      # directory the slow way, step by step, checking for races as we go.
+
+      case $dstdir in
+	/*) prefix='/';;
+	-*) prefix='./';;
+	*)  prefix='';;
+      esac
+
+      eval "$initialize_posix_glob"
+
+      oIFS=$IFS
+      IFS=/
+      $posix_glob set -f
+      set fnord $dstdir
+      shift
+      $posix_glob set +f
+      IFS=$oIFS
+
+      prefixes=
+
+      for d
+      do
+	test -z "$d" && continue
+
+	prefix=$prefix$d
+	if test -d "$prefix"; then
+	  prefixes=
+	else
+	  if $posix_mkdir; then
+	    (umask=$mkdir_umask &&
+	     $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break
+	    # Don't fail if two instances are running concurrently.
+	    test -d "$prefix" || exit 1
+	  else
+	    case $prefix in
+	      *\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;;
+	      *) qprefix=$prefix;;
+	    esac
+	    prefixes="$prefixes '$qprefix'"
+	  fi
+	fi
+	prefix=$prefix/
+      done
+
+      if test -n "$prefixes"; then
+	# Don't fail if two instances are running concurrently.
+	(umask $mkdir_umask &&
+	 eval "\$doit_exec \$mkdirprog $prefixes") ||
+	  test -d "$dstdir" || exit 1
+	obsolete_mkdir_used=true
+      fi
+    fi
+  fi
+
+  if test -n "$dir_arg"; then
+    { test -z "$chowncmd" || $doit $chowncmd "$dst"; } &&
+    { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } &&
+    { test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false ||
+      test -z "$chmodcmd" || $doit $chmodcmd $mode "$dst"; } || exit 1
+  else
+
+    # Make a couple of temp file names in the proper directory.
+    dsttmp=$dstdir/_inst.$$_
+    rmtmp=$dstdir/_rm.$$_
+
+    # Trap to clean up those temp files at exit.
+    trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0
+
+    # Copy the file name to the temp name.
+    (umask $cp_umask && $doit_exec $cpprog "$src" "$dsttmp") &&
+
+    # and set any options; do chmod last to preserve setuid bits.
+    #
+    # If any of these fail, we abort the whole thing.  If we want to
+    # ignore errors from any of these, just make sure not to ignore
+    # errors from the above "$doit $cpprog $src $dsttmp" command.
+    #
+    { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } &&
+    { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } &&
+    { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } &&
+    { test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } &&
+
+    # If -C, don't bother to copy if it wouldn't change the file.
+    if $copy_on_change &&
+       old=`LC_ALL=C ls -dlL "$dst"	2>/dev/null` &&
+       new=`LC_ALL=C ls -dlL "$dsttmp"	2>/dev/null` &&
+
+       eval "$initialize_posix_glob" &&
+       $posix_glob set -f &&
+       set X $old && old=:$2:$4:$5:$6 &&
+       set X $new && new=:$2:$4:$5:$6 &&
+       $posix_glob set +f &&
+
+       test "$old" = "$new" &&
+       $cmpprog "$dst" "$dsttmp" >/dev/null 2>&1
+    then
+      rm -f "$dsttmp"
+    else
+      # Rename the file to the real destination.
+      $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null ||
+
+      # The rename failed, perhaps because mv can't rename something else
+      # to itself, or perhaps because mv is so ancient that it does not
+      # support -f.
+      {
+	# Now remove or move aside any old file at destination location.
+	# We try this two ways since rm can't unlink itself on some
+	# systems and the destination file might be busy for other
+	# reasons.  In this case, the final cleanup might fail but the new
+	# file should still install successfully.
+	{
+	  test ! -f "$dst" ||
+	  $doit $rmcmd -f "$dst" 2>/dev/null ||
+	  { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null &&
+	    { $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; }
+	  } ||
+	  { echo "$0: cannot unlink or rename $dst" >&2
+	    (exit 1); exit 1
+	  }
+	} &&
+
+	# Now rename the file to the real destination.
+	$doit $mvcmd "$dsttmp" "$dst"
+      }
+    fi || exit 1
+
+    trap '' 0
+  fi
+done
+
+# Local variables:
+# eval: (add-hook 'write-file-hooks 'time-stamp)
+# time-stamp-start: "scriptversion="
+# time-stamp-format: "%:y-%02m-%02d.%02H"
+# time-stamp-time-zone: "UTC"
+# time-stamp-end: "; # UTC"
+# End:
diff --git a/missing b/missing
new file mode 100755
index 0000000..28055d2
--- /dev/null
+++ b/missing
@@ -0,0 +1,376 @@
+#! /bin/sh
+# Common stub for a few missing GNU programs while installing.
+
+scriptversion=2009-04-28.21; # UTC
+
+# Copyright (C) 1996, 1997, 1999, 2000, 2002, 2003, 2004, 2005, 2006,
+# 2008, 2009 Free Software Foundation, Inc.
+# Originally by Fran,cois Pinard <pinard@iro.umontreal.ca>, 1996.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.
+
+if test $# -eq 0; then
+  echo 1>&2 "Try \`$0 --help' for more information"
+  exit 1
+fi
+
+run=:
+sed_output='s/.* --output[ =]\([^ ]*\).*/\1/p'
+sed_minuso='s/.* -o \([^ ]*\).*/\1/p'
+
+# In the cases where this matters, `missing' is being run in the
+# srcdir already.
+if test -f configure.ac; then
+  configure_ac=configure.ac
+else
+  configure_ac=configure.in
+fi
+
+msg="missing on your system"
+
+case $1 in
+--run)
+  # Try to run requested program, and just exit if it succeeds.
+  run=
+  shift
+  "$@" && exit 0
+  # Exit code 63 means version mismatch.  This often happens
+  # when the user try to use an ancient version of a tool on
+  # a file that requires a minimum version.  In this case we
+  # we should proceed has if the program had been absent, or
+  # if --run hadn't been passed.
+  if test $? = 63; then
+    run=:
+    msg="probably too old"
+  fi
+  ;;
+
+  -h|--h|--he|--hel|--help)
+    echo "\
+$0 [OPTION]... PROGRAM [ARGUMENT]...
+
+Handle \`PROGRAM [ARGUMENT]...' for when PROGRAM is missing, or return an
+error status if there is no known handling for PROGRAM.
+
+Options:
+  -h, --help      display this help and exit
+  -v, --version   output version information and exit
+  --run           try to run the given command, and emulate it if it fails
+
+Supported PROGRAM values:
+  aclocal      touch file \`aclocal.m4'
+  autoconf     touch file \`configure'
+  autoheader   touch file \`config.h.in'
+  autom4te     touch the output file, or create a stub one
+  automake     touch all \`Makefile.in' files
+  bison        create \`y.tab.[ch]', if possible, from existing .[ch]
+  flex         create \`lex.yy.c', if possible, from existing .c
+  help2man     touch the output file
+  lex          create \`lex.yy.c', if possible, from existing .c
+  makeinfo     touch the output file
+  tar          try tar, gnutar, gtar, then tar without non-portable flags
+  yacc         create \`y.tab.[ch]', if possible, from existing .[ch]
+
+Version suffixes to PROGRAM as well as the prefixes \`gnu-', \`gnu', and
+\`g' are ignored when checking the name.
+
+Send bug reports to <bug-automake@gnu.org>."
+    exit $?
+    ;;
+
+  -v|--v|--ve|--ver|--vers|--versi|--versio|--version)
+    echo "missing $scriptversion (GNU Automake)"
+    exit $?
+    ;;
+
+  -*)
+    echo 1>&2 "$0: Unknown \`$1' option"
+    echo 1>&2 "Try \`$0 --help' for more information"
+    exit 1
+    ;;
+
+esac
+
+# normalize program name to check for.
+program=`echo "$1" | sed '
+  s/^gnu-//; t
+  s/^gnu//; t
+  s/^g//; t'`
+
+# Now exit if we have it, but it failed.  Also exit now if we
+# don't have it and --version was passed (most likely to detect
+# the program).  This is about non-GNU programs, so use $1 not
+# $program.
+case $1 in
+  lex*|yacc*)
+    # Not GNU programs, they don't have --version.
+    ;;
+
+  tar*)
+    if test -n "$run"; then
+       echo 1>&2 "ERROR: \`tar' requires --run"
+       exit 1
+    elif test "x$2" = "x--version" || test "x$2" = "x--help"; then
+       exit 1
+    fi
+    ;;
+
+  *)
+    if test -z "$run" && ($1 --version) > /dev/null 2>&1; then
+       # We have it, but it failed.
+       exit 1
+    elif test "x$2" = "x--version" || test "x$2" = "x--help"; then
+       # Could not run --version or --help.  This is probably someone
+       # running `$TOOL --version' or `$TOOL --help' to check whether
+       # $TOOL exists and not knowing $TOOL uses missing.
+       exit 1
+    fi
+    ;;
+esac
+
+# If it does not exist, or fails to run (possibly an outdated version),
+# try to emulate it.
+case $program in
+  aclocal*)
+    echo 1>&2 "\
+WARNING: \`$1' is $msg.  You should only need it if
+         you modified \`acinclude.m4' or \`${configure_ac}'.  You might want
+         to install the \`Automake' and \`Perl' packages.  Grab them from
+         any GNU archive site."
+    touch aclocal.m4
+    ;;
+
+  autoconf*)
+    echo 1>&2 "\
+WARNING: \`$1' is $msg.  You should only need it if
+         you modified \`${configure_ac}'.  You might want to install the
+         \`Autoconf' and \`GNU m4' packages.  Grab them from any GNU
+         archive site."
+    touch configure
+    ;;
+
+  autoheader*)
+    echo 1>&2 "\
+WARNING: \`$1' is $msg.  You should only need it if
+         you modified \`acconfig.h' or \`${configure_ac}'.  You might want
+         to install the \`Autoconf' and \`GNU m4' packages.  Grab them
+         from any GNU archive site."
+    files=`sed -n 's/^[ ]*A[CM]_CONFIG_HEADER(\([^)]*\)).*/\1/p' ${configure_ac}`
+    test -z "$files" && files="config.h"
+    touch_files=
+    for f in $files; do
+      case $f in
+      *:*) touch_files="$touch_files "`echo "$f" |
+				       sed -e 's/^[^:]*://' -e 's/:.*//'`;;
+      *) touch_files="$touch_files $f.in";;
+      esac
+    done
+    touch $touch_files
+    ;;
+
+  automake*)
+    echo 1>&2 "\
+WARNING: \`$1' is $msg.  You should only need it if
+         you modified \`Makefile.am', \`acinclude.m4' or \`${configure_ac}'.
+         You might want to install the \`Automake' and \`Perl' packages.
+         Grab them from any GNU archive site."
+    find . -type f -name Makefile.am -print |
+	   sed 's/\.am$/.in/' |
+	   while read f; do touch "$f"; done
+    ;;
+
+  autom4te*)
+    echo 1>&2 "\
+WARNING: \`$1' is needed, but is $msg.
+         You might have modified some files without having the
+         proper tools for further handling them.
+         You can get \`$1' as part of \`Autoconf' from any GNU
+         archive site."
+
+    file=`echo "$*" | sed -n "$sed_output"`
+    test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"`
+    if test -f "$file"; then
+	touch $file
+    else
+	test -z "$file" || exec >$file
+	echo "#! /bin/sh"
+	echo "# Created by GNU Automake missing as a replacement of"
+	echo "#  $ $@"
+	echo "exit 0"
+	chmod +x $file
+	exit 1
+    fi
+    ;;
+
+  bison*|yacc*)
+    echo 1>&2 "\
+WARNING: \`$1' $msg.  You should only need it if
+         you modified a \`.y' file.  You may need the \`Bison' package
+         in order for those modifications to take effect.  You can get
+         \`Bison' from any GNU archive site."
+    rm -f y.tab.c y.tab.h
+    if test $# -ne 1; then
+        eval LASTARG="\${$#}"
+	case $LASTARG in
+	*.y)
+	    SRCFILE=`echo "$LASTARG" | sed 's/y$/c/'`
+	    if test -f "$SRCFILE"; then
+	         cp "$SRCFILE" y.tab.c
+	    fi
+	    SRCFILE=`echo "$LASTARG" | sed 's/y$/h/'`
+	    if test -f "$SRCFILE"; then
+	         cp "$SRCFILE" y.tab.h
+	    fi
+	  ;;
+	esac
+    fi
+    if test ! -f y.tab.h; then
+	echo >y.tab.h
+    fi
+    if test ! -f y.tab.c; then
+	echo 'main() { return 0; }' >y.tab.c
+    fi
+    ;;
+
+  lex*|flex*)
+    echo 1>&2 "\
+WARNING: \`$1' is $msg.  You should only need it if
+         you modified a \`.l' file.  You may need the \`Flex' package
+         in order for those modifications to take effect.  You can get
+         \`Flex' from any GNU archive site."
+    rm -f lex.yy.c
+    if test $# -ne 1; then
+        eval LASTARG="\${$#}"
+	case $LASTARG in
+	*.l)
+	    SRCFILE=`echo "$LASTARG" | sed 's/l$/c/'`
+	    if test -f "$SRCFILE"; then
+	         cp "$SRCFILE" lex.yy.c
+	    fi
+	  ;;
+	esac
+    fi
+    if test ! -f lex.yy.c; then
+	echo 'main() { return 0; }' >lex.yy.c
+    fi
+    ;;
+
+  help2man*)
+    echo 1>&2 "\
+WARNING: \`$1' is $msg.  You should only need it if
+	 you modified a dependency of a manual page.  You may need the
+	 \`Help2man' package in order for those modifications to take
+	 effect.  You can get \`Help2man' from any GNU archive site."
+
+    file=`echo "$*" | sed -n "$sed_output"`
+    test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"`
+    if test -f "$file"; then
+	touch $file
+    else
+	test -z "$file" || exec >$file
+	echo ".ab help2man is required to generate this page"
+	exit $?
+    fi
+    ;;
+
+  makeinfo*)
+    echo 1>&2 "\
+WARNING: \`$1' is $msg.  You should only need it if
+         you modified a \`.texi' or \`.texinfo' file, or any other file
+         indirectly affecting the aspect of the manual.  The spurious
+         call might also be the consequence of using a buggy \`make' (AIX,
+         DU, IRIX).  You might want to install the \`Texinfo' package or
+         the \`GNU make' package.  Grab either from any GNU archive site."
+    # The file to touch is that specified with -o ...
+    file=`echo "$*" | sed -n "$sed_output"`
+    test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"`
+    if test -z "$file"; then
+      # ... or it is the one specified with @setfilename ...
+      infile=`echo "$*" | sed 's/.* \([^ ]*\) *$/\1/'`
+      file=`sed -n '
+	/^@setfilename/{
+	  s/.* \([^ ]*\) *$/\1/
+	  p
+	  q
+	}' $infile`
+      # ... or it is derived from the source name (dir/f.texi becomes f.info)
+      test -z "$file" && file=`echo "$infile" | sed 's,.*/,,;s,.[^.]*$,,'`.info
+    fi
+    # If the file does not exist, the user really needs makeinfo;
+    # let's fail without touching anything.
+    test -f $file || exit 1
+    touch $file
+    ;;
+
+  tar*)
+    shift
+
+    # We have already tried tar in the generic part.
+    # Look for gnutar/gtar before invocation to avoid ugly error
+    # messages.
+    if (gnutar --version > /dev/null 2>&1); then
+       gnutar "$@" && exit 0
+    fi
+    if (gtar --version > /dev/null 2>&1); then
+       gtar "$@" && exit 0
+    fi
+    firstarg="$1"
+    if shift; then
+	case $firstarg in
+	*o*)
+	    firstarg=`echo "$firstarg" | sed s/o//`
+	    tar "$firstarg" "$@" && exit 0
+	    ;;
+	esac
+	case $firstarg in
+	*h*)
+	    firstarg=`echo "$firstarg" | sed s/h//`
+	    tar "$firstarg" "$@" && exit 0
+	    ;;
+	esac
+    fi
+
+    echo 1>&2 "\
+WARNING: I can't seem to be able to run \`tar' with the given arguments.
+         You may want to install GNU tar or Free paxutils, or check the
+         command line arguments."
+    exit 1
+    ;;
+
+  *)
+    echo 1>&2 "\
+WARNING: \`$1' is needed, and is $msg.
+         You might have modified some files without having the
+         proper tools for further handling them.  Check the \`README' file,
+         it often tells you about the needed prerequisites for installing
+         this package.  You may also peek at any GNU archive site, in case
+         some other package would contain this missing \`$1' program."
+    exit 1
+    ;;
+esac
+
+exit 0
+
+# Local variables:
+# eval: (add-hook 'write-file-hooks 'time-stamp)
+# time-stamp-start: "scriptversion="
+# time-stamp-format: "%:y-%02m-%02d.%02H"
+# time-stamp-time-zone: "UTC"
+# time-stamp-end: "; # UTC"
+# End:
diff --git a/src/Makefile.am b/src/Makefile.am
new file mode 100644
index 0000000..040fbdd
--- /dev/null
+++ b/src/Makefile.am
@@ -0,0 +1,11 @@
+SUBDIRS = lib
+
+bin_PROGRAMS = fbterm
+
+fbterm_SOURCES = fbconfig.cpp fbconfig.h fbio.cpp fbio.h fbshell.cpp fbshell.h fbshellman.cpp fbshellman.h fbterm.cpp \
+	fbterm.h font.cpp font.h input.cpp input.h input_key.h mouse.cpp mouse.h screen.cpp screen.h improxy.cpp improxy.h \
+	screen_render.cpp fbdev.cpp fbdev.h vesadev.cpp vesadev.h vbe.h
+EXTRA_fbterm_SOURCES = signalfd.h
+
+fbterm_CXXFLAGS = -fno-exceptions -fno-rtti -Ilib @FT2_CFLAGS@ @FC_CFLAGS@
+fbterm_LDADD = lib/libshell.a @FT2_LIBS@ @FC_LIBS@ @X86_LIBS@ -lutil
diff --git a/src/Makefile.in b/src/Makefile.in
new file mode 100644
index 0000000..443972b
--- /dev/null
+++ b/src/Makefile.in
@@ -0,0 +1,829 @@
+# Makefile.in generated by automake 1.11.1 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+# 2003, 2004, 2005, 2006, 2007, 2008, 2009  Free Software Foundation,
+# Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+VPATH = @srcdir@
+pkgdatadir = $(datadir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkglibexecdir = $(libexecdir)/@PACKAGE@
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+install_sh_DATA = $(install_sh) -c -m 644
+install_sh_PROGRAM = $(install_sh) -c
+install_sh_SCRIPT = $(install_sh) -c
+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+bin_PROGRAMS = fbterm$(EXEEXT)
+subdir = src
+DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in \
+	$(srcdir)/immessage.h $(srcdir)/input_key.h
+ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
+am__aclocal_m4_deps = $(top_srcdir)/configure.ac
+am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
+	$(ACLOCAL_M4)
+mkinstalldirs = $(install_sh) -d
+CONFIG_HEADER = $(top_builddir)/config.h
+CONFIG_CLEAN_FILES =
+CONFIG_CLEAN_VPATH_FILES =
+am__installdirs = "$(DESTDIR)$(bindir)"
+PROGRAMS = $(bin_PROGRAMS)
+am_fbterm_OBJECTS = fbterm-fbconfig.$(OBJEXT) fbterm-fbio.$(OBJEXT) \
+	fbterm-fbshell.$(OBJEXT) fbterm-fbshellman.$(OBJEXT) \
+	fbterm-fbterm.$(OBJEXT) fbterm-font.$(OBJEXT) \
+	fbterm-input.$(OBJEXT) fbterm-mouse.$(OBJEXT) \
+	fbterm-screen.$(OBJEXT) fbterm-improxy.$(OBJEXT) \
+	fbterm-screen_render.$(OBJEXT) fbterm-fbdev.$(OBJEXT) \
+	fbterm-vesadev.$(OBJEXT)
+fbterm_OBJECTS = $(am_fbterm_OBJECTS)
+fbterm_DEPENDENCIES = lib/libshell.a
+fbterm_LINK = $(CXXLD) $(fbterm_CXXFLAGS) $(CXXFLAGS) $(AM_LDFLAGS) \
+	$(LDFLAGS) -o $@
+DEFAULT_INCLUDES = -I.@am__isrc@ -I$(top_builddir)
+depcomp = $(SHELL) $(top_srcdir)/depcomp
+am__depfiles_maybe = depfiles
+am__mv = mv -f
+CXXCOMPILE = $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \
+	$(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS)
+CXXLD = $(CXX)
+CXXLINK = $(CXXLD) $(AM_CXXFLAGS) $(CXXFLAGS) $(AM_LDFLAGS) $(LDFLAGS) \
+	-o $@
+COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
+	$(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
+CCLD = $(CC)
+LINK = $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@
+SOURCES = $(fbterm_SOURCES) $(EXTRA_fbterm_SOURCES)
+DIST_SOURCES = $(fbterm_SOURCES) $(EXTRA_fbterm_SOURCES)
+RECURSIVE_TARGETS = all-recursive check-recursive dvi-recursive \
+	html-recursive info-recursive install-data-recursive \
+	install-dvi-recursive install-exec-recursive \
+	install-html-recursive install-info-recursive \
+	install-pdf-recursive install-ps-recursive install-recursive \
+	installcheck-recursive installdirs-recursive pdf-recursive \
+	ps-recursive uninstall-recursive
+RECURSIVE_CLEAN_TARGETS = mostlyclean-recursive clean-recursive	\
+  distclean-recursive maintainer-clean-recursive
+AM_RECURSIVE_TARGETS = $(RECURSIVE_TARGETS:-recursive=) \
+	$(RECURSIVE_CLEAN_TARGETS:-recursive=) tags TAGS ctags CTAGS \
+	distdir
+ETAGS = etags
+CTAGS = ctags
+DIST_SUBDIRS = $(SUBDIRS)
+DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
+am__relativize = \
+  dir0=`pwd`; \
+  sed_first='s,^\([^/]*\)/.*$$,\1,'; \
+  sed_rest='s,^[^/]*/*,,'; \
+  sed_last='s,^.*/\([^/]*\)$$,\1,'; \
+  sed_butlast='s,/*[^/]*$$,,'; \
+  while test -n "$$dir1"; do \
+    first=`echo "$$dir1" | sed -e "$$sed_first"`; \
+    if test "$$first" != "."; then \
+      if test "$$first" = ".."; then \
+        dir2=`echo "$$dir0" | sed -e "$$sed_last"`/"$$dir2"; \
+        dir0=`echo "$$dir0" | sed -e "$$sed_butlast"`; \
+      else \
+        first2=`echo "$$dir2" | sed -e "$$sed_first"`; \
+        if test "$$first2" = "$$first"; then \
+          dir2=`echo "$$dir2" | sed -e "$$sed_rest"`; \
+        else \
+          dir2="../$$dir2"; \
+        fi; \
+        dir0="$$dir0"/"$$first"; \
+      fi; \
+    fi; \
+    dir1=`echo "$$dir1" | sed -e "$$sed_rest"`; \
+  done; \
+  reldir="$$dir2"
+ACLOCAL = @ACLOCAL@
+AMTAR = @AMTAR@
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+FC_CFLAGS = @FC_CFLAGS@
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+LDFLAGS = @LDFLAGS@
+LIBOBJS = @LIBOBJS@
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+OBJEXT = @OBJEXT@
+PACKAGE = @PACKAGE@
+PACKAGE_BUGREPORT = @PACKAGE_BUGREPORT@
+PACKAGE_NAME = @PACKAGE_NAME@
+PACKAGE_STRING = @PACKAGE_STRING@
+PACKAGE_TARNAME = @PACKAGE_TARNAME@
+PACKAGE_URL = @PACKAGE_URL@
+PACKAGE_VERSION = @PACKAGE_VERSION@
+PATH_SEPARATOR = @PATH_SEPARATOR@
+PKG_CONFIG = @PKG_CONFIG@
+RANLIB = @RANLIB@
+RELEASE_DATE = @RELEASE_DATE@
+SET_MAKE = @SET_MAKE@
+SHELL = @SHELL@
+STRIP = @STRIP@
+VERSION = @VERSION@
+X86_LIBS = @X86_LIBS@
+abs_builddir = @abs_builddir@
+abs_srcdir = @abs_srcdir@
+abs_top_builddir = @abs_top_builddir@
+abs_top_srcdir = @abs_top_srcdir@
+ac_ct_CC = @ac_ct_CC@
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+am__include = @am__include@
+am__leading_dot = @am__leading_dot@
+am__quote = @am__quote@
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+build_alias = @build_alias@
+builddir = @builddir@
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+docdir = @docdir@
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+exec_prefix = @exec_prefix@
+host_alias = @host_alias@
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+includedir = @includedir@
+infodir = @infodir@
+install_sh = @install_sh@
+libdir = @libdir@
+libexecdir = @libexecdir@
+localedir = @localedir@
+localstatedir = @localstatedir@
+mandir = @mandir@
+mkdir_p = @mkdir_p@
+oldincludedir = @oldincludedir@
+pdfdir = @pdfdir@
+prefix = @prefix@
+program_transform_name = @program_transform_name@
+psdir = @psdir@
+sbindir = @sbindir@
+sharedstatedir = @sharedstatedir@
+srcdir = @srcdir@
+sysconfdir = @sysconfdir@
+target_alias = @target_alias@
+top_build_prefix = @top_build_prefix@
+top_builddir = @top_builddir@
+top_srcdir = @top_srcdir@
+SUBDIRS = lib
+fbterm_SOURCES = fbconfig.cpp fbconfig.h fbio.cpp fbio.h fbshell.cpp fbshell.h fbshellman.cpp fbshellman.h fbterm.cpp \
+	fbterm.h font.cpp font.h input.cpp input.h input_key.h mouse.cpp mouse.h screen.cpp screen.h improxy.cpp improxy.h \
+	screen_render.cpp fbdev.cpp fbdev.h vesadev.cpp vesadev.h vbe.h
+
+EXTRA_fbterm_SOURCES = signalfd.h
+fbterm_CXXFLAGS = -fno-exceptions -fno-rtti -Ilib @FT2_CFLAGS@ @FC_CFLAGS@
+fbterm_LDADD = lib/libshell.a @FT2_LIBS@ @FC_LIBS@ @X86_LIBS@ -lutil
+all: all-recursive
+
+.SUFFIXES:
+.SUFFIXES: .cpp .o .obj
+$(srcdir)/Makefile.in:  $(srcdir)/Makefile.am  $(am__configure_deps)
+	@for dep in $?; do \
+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
+	        && { if test -f $@; then exit 0; else break; fi; }; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu src/Makefile'; \
+	$(am__cd) $(top_srcdir) && \
+	  $(AUTOMAKE) --gnu src/Makefile
+.PRECIOUS: Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe);; \
+	esac;
+
+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+
+$(top_srcdir)/configure:  $(am__configure_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(ACLOCAL_M4):  $(am__aclocal_m4_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(am__aclocal_m4_deps):
+install-binPROGRAMS: $(bin_PROGRAMS)
+	@$(NORMAL_INSTALL)
+	test -z "$(bindir)" || $(MKDIR_P) "$(DESTDIR)$(bindir)"
+	@list='$(bin_PROGRAMS)'; test -n "$(bindir)" || list=; \
+	for p in $$list; do echo "$$p $$p"; done | \
+	sed 's/$(EXEEXT)$$//' | \
+	while read p p1; do if test -f $$p; \
+	  then echo "$$p"; echo "$$p"; else :; fi; \
+	done | \
+	sed -e 'p;s,.*/,,;n;h' -e 's|.*|.|' \
+	    -e 'p;x;s,.*/,,;s/$(EXEEXT)$$//;$(transform);s/$$/$(EXEEXT)/' | \
+	sed 'N;N;N;s,\n, ,g' | \
+	$(AWK) 'BEGIN { files["."] = ""; dirs["."] = 1 } \
+	  { d=$$3; if (dirs[d] != 1) { print "d", d; dirs[d] = 1 } \
+	    if ($$2 == $$4) files[d] = files[d] " " $$1; \
+	    else { print "f", $$3 "/" $$4, $$1; } } \
+	  END { for (d in files) print "f", d, files[d] }' | \
+	while read type dir files; do \
+	    if test "$$dir" = .; then dir=; else dir=/$$dir; fi; \
+	    test -z "$$files" || { \
+	      echo " $(INSTALL_PROGRAM_ENV) $(INSTALL_PROGRAM) $$files '$(DESTDIR)$(bindir)$$dir'"; \
+	      $(INSTALL_PROGRAM_ENV) $(INSTALL_PROGRAM) $$files "$(DESTDIR)$(bindir)$$dir" || exit $$?; \
+	    } \
+	; done
+
+uninstall-binPROGRAMS:
+	@$(NORMAL_UNINSTALL)
+	@list='$(bin_PROGRAMS)'; test -n "$(bindir)" || list=; \
+	files=`for p in $$list; do echo "$$p"; done | \
+	  sed -e 'h;s,^.*/,,;s/$(EXEEXT)$$//;$(transform)' \
+	      -e 's/$$/$(EXEEXT)/' `; \
+	test -n "$$list" || exit 0; \
+	echo " ( cd '$(DESTDIR)$(bindir)' && rm -f" $$files ")"; \
+	cd "$(DESTDIR)$(bindir)" && rm -f $$files
+
+clean-binPROGRAMS:
+	-test -z "$(bin_PROGRAMS)" || rm -f $(bin_PROGRAMS)
+fbterm$(EXEEXT): $(fbterm_OBJECTS) $(fbterm_DEPENDENCIES) 
+	@rm -f fbterm$(EXEEXT)
+	$(fbterm_LINK) $(fbterm_OBJECTS) $(fbterm_LDADD) $(LIBS)
+
+mostlyclean-compile:
+	-rm -f *.$(OBJEXT)
+
+distclean-compile:
+	-rm -f *.tab.c
+
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/fbterm-fbconfig.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/fbterm-fbdev.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/fbterm-fbio.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/fbterm-fbshell.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/fbterm-fbshellman.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/fbterm-fbterm.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/fbterm-font.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/fbterm-improxy.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/fbterm-input.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/fbterm-mouse.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/fbterm-screen.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/fbterm-screen_render.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/fbterm-vesadev.Po@am__quote@
+
+.cpp.o:
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+@am__fastdepCXX_FALSE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(fbterm_CXXFLAGS) $(CXXFLAGS) -c -o fbterm-screen_render.o `test -f 'screen_render.cpp' || echo '$(srcdir)/'`screen_render.cpp
+
+fbterm-screen_render.obj: screen_render.cpp
+@am__fastdepCXX_TRUE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(fbterm_CXXFLAGS) $(CXXFLAGS) -MT fbterm-screen_render.obj -MD -MP -MF $(DEPDIR)/fbterm-screen_render.Tpo -c -o fbterm-screen_render.obj `if test -f 'screen_render.cpp'; then $(CYGPATH_W) 'screen_render.cpp'; else $(CYGPATH_W) '$(srcdir)/screen_render.cpp'; fi`
+@am__fastdepCXX_TRUE@	$(am__mv) $(DEPDIR)/fbterm-screen_render.Tpo $(DEPDIR)/fbterm-screen_render.Po
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	source='screen_render.cpp' object='fbterm-screen_render.obj' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCXX_FALSE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(fbterm_CXXFLAGS) $(CXXFLAGS) -c -o fbterm-screen_render.obj `if test -f 'screen_render.cpp'; then $(CYGPATH_W) 'screen_render.cpp'; else $(CYGPATH_W) '$(srcdir)/screen_render.cpp'; fi`
+
+fbterm-fbdev.o: fbdev.cpp
+@am__fastdepCXX_TRUE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(fbterm_CXXFLAGS) $(CXXFLAGS) -MT fbterm-fbdev.o -MD -MP -MF $(DEPDIR)/fbterm-fbdev.Tpo -c -o fbterm-fbdev.o `test -f 'fbdev.cpp' || echo '$(srcdir)/'`fbdev.cpp
+@am__fastdepCXX_TRUE@	$(am__mv) $(DEPDIR)/fbterm-fbdev.Tpo $(DEPDIR)/fbterm-fbdev.Po
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	source='fbdev.cpp' object='fbterm-fbdev.o' libtool=no @AMDEPBACKSLASH@
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+
+fbterm-fbdev.obj: fbdev.cpp
+@am__fastdepCXX_TRUE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(fbterm_CXXFLAGS) $(CXXFLAGS) -MT fbterm-fbdev.obj -MD -MP -MF $(DEPDIR)/fbterm-fbdev.Tpo -c -o fbterm-fbdev.obj `if test -f 'fbdev.cpp'; then $(CYGPATH_W) 'fbdev.cpp'; else $(CYGPATH_W) '$(srcdir)/fbdev.cpp'; fi`
+@am__fastdepCXX_TRUE@	$(am__mv) $(DEPDIR)/fbterm-fbdev.Tpo $(DEPDIR)/fbterm-fbdev.Po
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	source='fbdev.cpp' object='fbterm-fbdev.obj' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCXX_FALSE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(fbterm_CXXFLAGS) $(CXXFLAGS) -c -o fbterm-fbdev.obj `if test -f 'fbdev.cpp'; then $(CYGPATH_W) 'fbdev.cpp'; else $(CYGPATH_W) '$(srcdir)/fbdev.cpp'; fi`
+
+fbterm-vesadev.o: vesadev.cpp
+@am__fastdepCXX_TRUE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(fbterm_CXXFLAGS) $(CXXFLAGS) -MT fbterm-vesadev.o -MD -MP -MF $(DEPDIR)/fbterm-vesadev.Tpo -c -o fbterm-vesadev.o `test -f 'vesadev.cpp' || echo '$(srcdir)/'`vesadev.cpp
+@am__fastdepCXX_TRUE@	$(am__mv) $(DEPDIR)/fbterm-vesadev.Tpo $(DEPDIR)/fbterm-vesadev.Po
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	source='vesadev.cpp' object='fbterm-vesadev.o' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCXX_FALSE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(fbterm_CXXFLAGS) $(CXXFLAGS) -c -o fbterm-vesadev.o `test -f 'vesadev.cpp' || echo '$(srcdir)/'`vesadev.cpp
+
+fbterm-vesadev.obj: vesadev.cpp
+@am__fastdepCXX_TRUE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(fbterm_CXXFLAGS) $(CXXFLAGS) -MT fbterm-vesadev.obj -MD -MP -MF $(DEPDIR)/fbterm-vesadev.Tpo -c -o fbterm-vesadev.obj `if test -f 'vesadev.cpp'; then $(CYGPATH_W) 'vesadev.cpp'; else $(CYGPATH_W) '$(srcdir)/vesadev.cpp'; fi`
+@am__fastdepCXX_TRUE@	$(am__mv) $(DEPDIR)/fbterm-vesadev.Tpo $(DEPDIR)/fbterm-vesadev.Po
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	source='vesadev.cpp' object='fbterm-vesadev.obj' libtool=no @AMDEPBACKSLASH@
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+@am__fastdepCXX_FALSE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(fbterm_CXXFLAGS) $(CXXFLAGS) -c -o fbterm-vesadev.obj `if test -f 'vesadev.cpp'; then $(CYGPATH_W) 'vesadev.cpp'; else $(CYGPATH_W) '$(srcdir)/vesadev.cpp'; fi`
+
+# This directory's subdirectories are mostly independent; you can cd
+# into them and run `make' without going through this Makefile.
+# To change the values of `make' variables: instead of editing Makefiles,
+# (1) if the variable is set in `config.status', edit `config.status'
+#     (which will cause the Makefiles to be regenerated when you run `make');
+# (2) otherwise, pass the desired values on the `make' command line.
+$(RECURSIVE_TARGETS):
+	@fail= failcom='exit 1'; \
+	for f in x $$MAKEFLAGS; do \
+	  case $$f in \
+	    *=* | --[!k]*);; \
+	    *k*) failcom='fail=yes';; \
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+	done; \
+	dot_seen=no; \
+	target=`echo $@ | sed s/-recursive//`; \
+	list='$(SUBDIRS)'; for subdir in $$list; do \
+	  echo "Making $$target in $$subdir"; \
+	  if test "$$subdir" = "."; then \
+	    dot_seen=yes; \
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+	  else \
+	    local_target="$$target"; \
+	  fi; \
+	  ($(am__cd) $$subdir && $(MAKE) $(AM_MAKEFLAGS) $$local_target) \
+	  || eval $$failcom; \
+	done; \
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+	fi; test -z "$$fail"
+
+$(RECURSIVE_CLEAN_TARGETS):
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+	  case $$f in \
+	    *=* | --[!k]*);; \
+	    *k*) failcom='fail=yes';; \
+	  esac; \
+	done; \
+	dot_seen=no; \
+	case "$@" in \
+	  distclean-* | maintainer-clean-*) list='$(DIST_SUBDIRS)' ;; \
+	  *) list='$(SUBDIRS)' ;; \
+	esac; \
+	rev=''; for subdir in $$list; do \
+	  if test "$$subdir" = "."; then :; else \
+	    rev="$$subdir $$rev"; \
+	  fi; \
+	done; \
+	rev="$$rev ."; \
+	target=`echo $@ | sed s/-recursive//`; \
+	for subdir in $$rev; do \
+	  echo "Making $$target in $$subdir"; \
+	  if test "$$subdir" = "."; then \
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+	    local_target="$$target"; \
+	  fi; \
+	  ($(am__cd) $$subdir && $(MAKE) $(AM_MAKEFLAGS) $$local_target) \
+	  || eval $$failcom; \
+	done && test -z "$$fail"
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+	done
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+	done
+
+ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
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+	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+	  done | \
+	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
+	      END { if (nonempty) { for (i in files) print i; }; }'`; \
+	mkid -fID $$unique
+tags: TAGS
+
+TAGS: tags-recursive $(HEADERS) $(SOURCES)  $(TAGS_DEPENDENCIES) \
+		$(TAGS_FILES) $(LISP)
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+	here=`pwd`; \
+	if ($(ETAGS) --etags-include --version) >/dev/null 2>&1; then \
+	  include_option=--etags-include; \
+	  empty_fix=.; \
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+	  empty_fix=; \
+	fi; \
+	list='$(SUBDIRS)'; for subdir in $$list; do \
+	  if test "$$subdir" = .; then :; else \
+	    test ! -f $$subdir/TAGS || \
+	      set "$$@" "$$include_option=$$here/$$subdir/TAGS"; \
+	  fi; \
+	done; \
+	list='$(SOURCES) $(HEADERS)  $(LISP) $(TAGS_FILES)'; \
+	unique=`for i in $$list; do \
+	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
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+	shift; \
+	if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
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+	      "$$@" $$unique; \
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+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      $$unique; \
+	  fi; \
+	fi
+ctags: CTAGS
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+		$(TAGS_FILES) $(LISP)
+	list='$(SOURCES) $(HEADERS)  $(LISP) $(TAGS_FILES)'; \
+	unique=`for i in $$list; do \
+	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+	  done | \
+	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
+	      END { if (nonempty) { for (i in files) print i; }; }'`; \
+	test -z "$(CTAGS_ARGS)$$unique" \
+	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+	     $$unique
+
+GTAGS:
+	here=`$(am__cd) $(top_builddir) && pwd` \
+	  && $(am__cd) $(top_srcdir) \
+	  && gtags -i $(GTAGS_ARGS) "$$here"
+
+distclean-tags:
+	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+
+distdir: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
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+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
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+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+	@list='$(DIST_SUBDIRS)'; for subdir in $$list; do \
+	  if test "$$subdir" = .; then :; else \
+	    test -d "$(distdir)/$$subdir" \
+	    || $(MKDIR_P) "$(distdir)/$$subdir" \
+	    || exit 1; \
+	  fi; \
+	done
+	@list='$(DIST_SUBDIRS)'; for subdir in $$list; do \
+	  if test "$$subdir" = .; then :; else \
+	    dir1=$$subdir; dir2="$(distdir)/$$subdir"; \
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+	    new_distdir=$$reldir; \
+	    dir1=$$subdir; dir2="$(top_distdir)"; \
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+	    new_top_distdir=$$reldir; \
+	    echo " (cd $$subdir && $(MAKE) $(AM_MAKEFLAGS) top_distdir="$$new_top_distdir" distdir="$$new_distdir" \\"; \
+	    echo "     am__remove_distdir=: am__skip_length_check=: am__skip_mode_fix=: distdir)"; \
+	    ($(am__cd) $$subdir && \
+	      $(MAKE) $(AM_MAKEFLAGS) \
+	        top_distdir="$$new_top_distdir" \
+	        distdir="$$new_distdir" \
+		am__remove_distdir=: \
+		am__skip_length_check=: \
+		am__skip_mode_fix=: \
+	        distdir) \
+	      || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-recursive
+all-am: Makefile $(PROGRAMS)
+installdirs: installdirs-recursive
+installdirs-am:
+	for dir in "$(DESTDIR)$(bindir)"; do \
+	  test -z "$$dir" || $(MKDIR_P) "$$dir"; \
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+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-recursive
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+	  install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	  `test -z '$(STRIP)' || \
+	    echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-recursive
+
+clean-am: clean-binPROGRAMS clean-generic mostlyclean-am
+
+distclean: distclean-recursive
+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
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+	distclean-tags
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+dvi: dvi-recursive
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+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
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+mostlyclean-am: mostlyclean-compile mostlyclean-generic
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+pdf: pdf-recursive
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+ps: ps-recursive
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+uninstall-am: uninstall-binPROGRAMS
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+.MAKE: $(RECURSIVE_CLEAN_TARGETS) $(RECURSIVE_TARGETS) ctags-recursive \
+	install-am install-strip tags-recursive
+
+.PHONY: $(RECURSIVE_CLEAN_TARGETS) $(RECURSIVE_TARGETS) CTAGS GTAGS \
+	all all-am check check-am clean clean-binPROGRAMS \
+	clean-generic ctags ctags-recursive distclean \
+	distclean-compile distclean-generic distclean-tags distdir dvi \
+	dvi-am html html-am info info-am install install-am \
+	install-binPROGRAMS install-data install-data-am install-dvi \
+	install-dvi-am install-exec install-exec-am install-html \
+	install-html-am install-info install-info-am install-man \
+	install-pdf install-pdf-am install-ps install-ps-am \
+	install-strip installcheck installcheck-am installdirs \
+	installdirs-am maintainer-clean maintainer-clean-generic \
+	mostlyclean mostlyclean-compile mostlyclean-generic pdf pdf-am \
+	ps ps-am tags tags-recursive uninstall uninstall-am \
+	uninstall-binPROGRAMS
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/src/fbconfig.cpp b/src/fbconfig.cpp
new file mode 100644
index 0000000..14240b6
--- /dev/null
+++ b/src/fbconfig.cpp
@@ -0,0 +1,301 @@
+/*
+ *   Copyright © 2008-2010 dragchan <zgchan317@gmail.com>
+ *   This file is part of FbTerm.
+ *
+ *   This program is free software; you can redistribute it and/or
+ *   modify it under the terms of the GNU General Public License
+ *   as published by the Free Software Foundation; either version 2
+ *   of the License, or (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <fcntl.h>
+#include <getopt.h>
+#include <sys/stat.h>
+#include "config.h"
+#include "fbconfig.h"
+
+#define MAX_CONFIG_FILE_SIZE 10240
+
+DEFINE_INSTANCE_DEFAULT(Config)
+
+Config::Config()
+{
+	mShellCommand = 0;
+	mConfigBuf = 0;
+	mConfigEntrys = 0;
+
+	const s8 *home = getenv("HOME");
+	if (!home) {
+		if (getuid()) return;
+		home = "/root";
+	}
+
+	s8 name[64];
+	snprintf(name, sizeof(name), "%s/%s", home, ".fbtermrc");
+
+	checkConfigFile(name);
+
+	struct stat cstat;
+	if (stat(name, &cstat) == -1) return;
+	if (cstat.st_size > MAX_CONFIG_FILE_SIZE) return;
+
+	s32 fd = open(name, O_RDONLY);
+	if (fd == -1) return;
+
+	mConfigBuf = new char[cstat.st_size + 1];
+	mConfigBuf[cstat.st_size] = 0;
+
+	s32 ret = read(fd, mConfigBuf, cstat.st_size);
+	close(fd);
+
+	s8 *end, *start = mConfigBuf;
+	do {
+		end = strchr(start, '\n');
+		if (end) *end = 0;
+		parseOption(start);
+		if (end) start = end + 1;
+	} while (end && *start);
+}
+
+Config::~Config()
+{
+	if (mConfigBuf) delete[] mConfigBuf;
+
+	OptionEntry *next, *cur = mConfigEntrys;
+	while (cur) {
+		next = cur->next;
+		delete cur;
+		cur = next;
+	}
+}
+
+void Config::getOption(const s8 *key, s8 *val, u32 len)
+{
+	if (!val) return;
+	*val = 0;
+
+	OptionEntry *entry = getEntry(key);
+	if (!entry || !entry->val) return;
+
+	u32 val_len = strlen(entry->val);
+	if (--len > val_len) len = val_len;
+	memcpy(val, entry->val, len);
+	val[len] = 0;
+}
+
+void Config::getOption(const s8 *key, u32 &val)
+{
+	OptionEntry *entry = getEntry(key);
+	if (!entry || !entry->val) return;
+
+	s8 *tail;
+	s32 a = strtol(entry->val, &tail, 10);
+
+	if (!*tail) val = a;
+}
+
+void Config::getOption(const s8 *key, bool &val)
+{
+	OptionEntry *entry = getEntry(key);
+	if (!entry || !entry->val) return;
+
+	if (!strcmp(entry->val, "yes")) val = true;
+	else if (!strcmp(entry->val, "no")) val = false;
+}
+
+Config::OptionEntry *Config::getEntry(const s8 *key)
+{
+	if (!key) return 0;
+
+	OptionEntry *entry = mConfigEntrys;
+	while (entry) {
+		if (!strcmp(key, entry->key)) break;
+		entry = entry->next;
+	}
+
+	return entry;
+}
+
+void Config::addEntry(const s8 *key, const s8 *val)
+{
+	OptionEntry *entry = new OptionEntry;
+	entry->key = key;
+	entry->val = val;
+	entry->next = mConfigEntrys;
+	mConfigEntrys = entry;
+}
+
+void Config::parseOption(s8 *str)
+{
+	s8 *cur = str, *end = str + strlen(str) - 1;
+	while (*cur == ' ') cur++;
+
+	if (!*cur || *cur == '#') return;
+
+	s8 *key = cur;
+	while (*cur && *cur != '=') cur++;
+	if (!*cur) return;
+	*cur = 0;
+
+	s8 *val = ++cur;
+	cur = end;
+	while (*cur == ' ') cur--;
+	if (cur < val) return;
+	*(cur + 1) = 0;
+
+	addEntry(key, val);
+}
+
+void Config::checkConfigFile(const s8 *name)
+{
+	static const s8 defaultConfig[] =
+		"# Configuration for FbTerm\n"
+		"\n"
+		"# Lines starting with '#' are ignored.\n"
+		"# Note that end-of-line comments are NOT supported, comments must be on a line of their own.\n"
+		"\n\n"
+		"# font family names/pixelsize used by fbterm, multiple font family names must be seperated by ','\n"
+		"# and using a fixed width font as the first is strongly recommended\n"
+		"font-names=mono\n"
+		"font-size=12\n"
+		"\n"
+		"# force font width (and/or height), usually for non-fixed width fonts\n"
+		"# legal value format: n (fw_new = n), +n (fw_new = fw_old + n), -n (fw_new = fw_old - n)\n"
+		"#font-width=\n"
+		"#font-height=\n"
+		"\n"
+		"# default color of foreground/background text\n"
+		"# available colors: 0 = black, 1 = red, 2 = green, 3 = brown, 4 = blue, 5 = magenta, 6 = cyan, 7 = white\n"
+		"color-foreground=7\n"
+		"color-background=0\n"
+		"\n"
+		"# max scroll-back history lines of every window, value must be [0 - 65535], 0 means disable it\n"
+		"history-lines=1000\n"
+		"\n"
+		"# up to 5 additional text encodings, multiple encodings must be seperated by ','\n"
+		"# run 'iconv --list' to get available encodings.\n"
+		"text-encodings=\n"
+		"\n"
+		"# cursor shape: 0 = underline, 1 = block\n"
+		"# cursor flash interval in milliseconds, 0 means disable flashing\n"
+		"cursor-shape=0\n"
+		"cursor-interval=500\n"
+		"\n"
+		"# additional ascii chars considered as part of a word while auto-selecting text, except ' ', 0-9, a-z, A-Z\n"
+		"word-chars=._-\n"
+		"\n"
+		"# change the clockwise orientation angle of screen display\n"
+		"# available values: 0 = 0 degree, 1 = 90 degrees, 2 = 180 degrees, 3 = 270 degrees\n"
+		"screen-rotate=0\n"
+		"\n"
+		"# specify the favorite input method program to run\n"
+		"input-method=\n"
+		"\n"
+		"# treat ambiguous width characters as wide\n"
+		"#ambiguous-wide=yes\n"
+		;
+
+	struct stat cstat;
+	if (stat(name, &cstat) != -1) return;
+
+	s32 fd = open(name, O_WRONLY | O_CREAT, S_IRUSR | S_IWUSR);
+	if (fd == -1) return;
+
+	s32 ret = write(fd, defaultConfig, sizeof(defaultConfig) - 1);
+	close(fd);
+}
+
+bool Config::parseArgs(s32 argc, s8 **argv)
+{
+	static const option options[] = {
+		{ "help", no_argument, 0, 'h' },
+		{ "version", no_argument, 0, 'V' },
+		{ "verbose", no_argument, 0, 'v' },
+		{ "font-names", required_argument, 0, 'n' },
+		{ "font-size", required_argument, 0, 's' },
+		{ "color-foreground", required_argument, 0, 'f' },
+		{ "color-background", required_argument, 0, 'b' },
+		{ "text-encodings", required_argument, 0, 'e' },
+		{ "screen-rotate", required_argument, 0, 'r' },
+		{ "input-method", required_argument, 0, 'i' },
+		{ "cursor-shape", required_argument, 0, 0 },
+		{ "cursor-interval", required_argument, 0, 1 },
+		{ "font-width", required_argument, 0, 2 },
+		{ "font-height", required_argument, 0, 4 },
+		{ "ambiguous-wide", no_argument, 0, 'a' },
+#ifdef ENABLE_VESA
+		{ "vesa-mode", required_argument, 0, 3 },
+#endif
+		{ 0, 0, 0, 0 }
+	};
+
+	s32 index;
+	while ((index = getopt_long(argc, argv, "Vvhn:s:f:b:e:r:i:a", options, 0)) != -1) {
+		switch (index) {
+		case 'V':
+			printf("FbTerm version " VERSION "\n");
+			return false;
+
+		case 'h':
+		case '?':
+			printf(
+				"Usage: fbterm [options] [--] [command [arguments]]\n"
+				"A fast framebuffer/vesa based terminal emulator for linux\n"
+				"\n"
+				"  -h, --help                      display this help and exit\n"
+				"  -V, --version                   display FbTerm version and exit\n"
+				"  -v, --verbose                   display extra information\n"
+				"  -n, --font-names=TEXT           specify font family names\n"
+				"  -s, --font-size=NUM             specify font pixel size\n"
+				"      --font-width=NUM            force font width\n"
+				"      --font-height=NUM           force font height\n"
+				"  -f, --color-foreground=NUM      specify foreground color\n"
+				"  -b, --color-background=NUM      specify background color\n"
+				"  -e, --text-encodings=TEXT       specify additional text encodings\n"
+				"  -r, --screen-rotate=NUM         specify orientation of screen display\n"
+				"  -a, --ambiguous-wide            treat ambiguous width characters as wide\n"
+				"  -i, --input-method=TEXT         specify input method program\n"
+				"      --cursor-shape=NUM          specify default cursor shape\n"
+				"      --cursor-interval=NUM       specify cursor flash interval\n"
+#ifdef ENABLE_VESA
+				"      --vesa-mode=NUM             force VESA video mode\n"
+				"                  list            display available VESA video modes\n"
+#endif
+				"\n"
+				"See comments in ~/.fbtermrc for details of these options.\n"
+			);
+			return false;
+
+		default:
+			for (const option *opt = options; opt->name; opt++) {
+				if (opt->val != index) continue;
+
+				const s8 *val  = (opt->has_arg ? optarg : "yes");
+				OptionEntry *entry = getEntry(opt->name);
+
+				if (entry) entry->val = val;
+				else addEntry(opt->name, val);
+
+				break;
+			}
+			break;
+		}
+	}
+
+	if (argv[optind]) mShellCommand = argv + optind;
+	return true;
+}
diff --git a/src/fbconfig.h b/src/fbconfig.h
new file mode 100644
index 0000000..6051002
--- /dev/null
+++ b/src/fbconfig.h
@@ -0,0 +1,54 @@
+/*
+ *   Copyright © 2008-2010 dragchan <zgchan317@gmail.com>
+ *   This file is part of FbTerm.
+ *
+ *   This program is free software; you can redistribute it and/or
+ *   modify it under the terms of the GNU General Public License
+ *   as published by the Free Software Foundation; either version 2
+ *   of the License, or (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#ifndef CONFIG_H
+#define CONFIG_H
+
+#include "type.h"
+#include "instance.h"
+
+class Config {
+	DECLARE_INSTANCE(Config)
+public:
+	void getOption(const s8 *key, s8 *val, u32 len);
+	void getOption(const s8 *key, u32 &val);
+	void getOption(const s8 *key, bool &val);
+	bool parseArgs(s32 argc, s8 **argv);
+	s8** getShellCommand() { return mShellCommand; }
+
+private:
+	void checkConfigFile(const s8 *name);
+	void parseOption(s8 *str);
+	void addEntry(const s8 *key, const s8 *val);
+
+	struct OptionEntry {
+		const s8 *key;
+		const s8 *val;
+		OptionEntry *next;
+	};
+
+	OptionEntry *getEntry(const s8 *key);
+
+	s8 *mConfigBuf;
+	OptionEntry *mConfigEntrys;
+	s8 **mShellCommand;
+};
+
+#endif
diff --git a/src/fbdev.cpp b/src/fbdev.cpp
new file mode 100644
index 0000000..a9b6b90
--- /dev/null
+++ b/src/fbdev.cpp
@@ -0,0 +1,208 @@
+/*
+ *   Copyright © 2008-2010 dragchan <zgchan317@gmail.com>
+ *   This file is part of FbTerm.
+ *
+ *   This program is free software; you can redistribute it and/or
+ *   modify it under the terms of the GNU General Public License
+ *   as published by the Free Software Foundation; either version 2
+ *   of the License, or (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include <sys/mman.h>
+#include <linux/kd.h>
+#include <linux/fb.h>
+#include "fbdev.h"
+#include "font.h"
+
+#define MIN(a,b) ((a) < (b) ? (a) : (b))
+#define MAX(a,b) ((a) > (b) ? (a) : (b))
+
+static fb_fix_screeninfo finfo;
+static fb_var_screeninfo vinfo;
+
+static s32 fbdev_fd;
+
+FbDev *FbDev::initFbDev()
+{
+	s8 *fbdev = getenv("FRAMEBUFFER");
+
+	if (fbdev) {
+		fbdev_fd = open(fbdev, O_RDWR);
+	} else {
+		fbdev_fd = open("/dev/fb0", O_RDWR);
+		if (fbdev_fd < 0) fbdev_fd = open("/dev/fb/0", O_RDWR);
+	}
+
+	if (fbdev_fd < 0) {
+		fprintf(stderr, "can't open frame buffer device!\n");
+		return 0;
+	}
+
+	fcntl(fbdev_fd, F_SETFD, fcntl(fbdev_fd, F_GETFD) | FD_CLOEXEC);
+	ioctl(fbdev_fd, FBIOGET_FSCREENINFO, &finfo);
+	ioctl(fbdev_fd, FBIOGET_VSCREENINFO, &vinfo);
+
+	if (finfo.type != FB_TYPE_PACKED_PIXELS) {
+		fprintf(stderr, "unsupported frame buffer device!\n");
+		return 0;
+	}
+
+	switch (vinfo.bits_per_pixel) {
+	case 8:
+		if (finfo.visual != FB_VISUAL_PSEUDOCOLOR) {
+			fprintf(stderr, "only support pseudo-color visual with 8bpp depth!\n");
+			return 0;
+		}
+		break;
+
+	case 15:
+	case 16:
+	case 32:
+		if (finfo.visual != FB_VISUAL_TRUECOLOR && finfo.visual != FB_VISUAL_DIRECTCOLOR) {
+			fprintf(stderr, "only support true-color/direct-color visual with 15/16/32bpp depth!\n");
+			return 0;
+		}
+		break;
+
+	default:
+		fprintf(stderr, "only support frame buffer device with 8/15/16/32 color depth!\n");
+		return 0;
+	}
+
+	return new FbDev();
+}
+
+FbDev::FbDev()
+{
+	mWidth = vinfo.xres;
+	mHeight = vinfo.yres;
+	mBitsPerPixel = vinfo.bits_per_pixel;
+	mBytesPerLine = finfo.line_length;
+	mVMemBase = (u8 *)mmap(0, finfo.smem_len, PROT_READ | PROT_WRITE, MAP_SHARED, fbdev_fd, 0);
+
+
+	if (mRotateType == Rotate0 || mRotateType == Rotate180) {
+		bool ypan = (vinfo.yres_virtual > vinfo.yres && finfo.ypanstep && !(FH(1) % finfo.ypanstep));
+		bool ywrap = (finfo.ywrapstep && !(FH(1) % finfo.ywrapstep));
+		if (ywrap && !(vinfo.vmode & FB_VMODE_YWRAP)) {
+			vinfo.vmode |= FB_VMODE_YWRAP;
+			ioctl(fbdev_fd, FBIOPUT_VSCREENINFO, &vinfo);
+			ywrap = (vinfo.vmode & FB_VMODE_YWRAP);
+		}
+
+		if ((ypan || ywrap) && !ioctl(fbdev_fd, FBIOPAN_DISPLAY, &vinfo)) {
+			if (ywrap) {
+				mScrollType = YWrap;
+				mOffsetMax = vinfo.yres_virtual - 1;
+			} else {
+				mScrollType = YPan;
+				mOffsetMax = vinfo.yres_virtual - vinfo.yres;
+			}
+		}
+	}
+}
+
+FbDev::~FbDev()
+{
+	munmap(mVMemBase, finfo.smem_len);
+	close(fbdev_fd);
+
+	if (mScrollType != Redraw) {
+		ioctl(STDIN_FILENO, KDSETMODE, KD_GRAPHICS);
+		ioctl(STDIN_FILENO, KDSETMODE, KD_TEXT);
+	}
+}
+
+const s8 *FbDev::drvId()
+{
+	return finfo.id;
+}
+
+void FbDev::setupOffset()
+{
+	vinfo.yoffset = mOffsetCur;
+	ioctl(fbdev_fd, FBIOPAN_DISPLAY, &vinfo);
+}
+
+void FbDev::setupPalette(bool restore)
+{
+	if (finfo.visual == FB_VISUAL_TRUECOLOR || (!restore && !mPalette)) return;
+
+	static bool palette_saved = false;
+	static u16 saved_red[256], saved_green[256], saved_blue[256];
+	u32 cols, rcols, gcols, bcols;
+	fb_cmap cmap;
+
+	#define INIT_CMAP(_red, _green, _blue) \
+	do { \
+		cmap.start = 0; \
+		cmap.len = cols; \
+		cmap.red = _red; \
+		cmap.green = _green; \
+		cmap.blue = _blue; \
+		cmap.transp = 0; \
+	} while (0)
+
+	if (finfo.visual == FB_VISUAL_PSEUDOCOLOR) cols = NR_COLORS;
+	else {
+		rcols = 1 << vinfo.red.length;
+		gcols = 1 << vinfo.green.length;
+		bcols = 1 << vinfo.blue.length;
+
+		cols = MAX(rcols, MAX(gcols, bcols));
+	}
+
+	if (restore) {
+		if (!palette_saved) return;
+
+		INIT_CMAP(saved_red, saved_green, saved_blue);
+		ioctl(fbdev_fd, FBIOPUTCMAP, &cmap);
+	} else {
+		if (!palette_saved) {
+			palette_saved = true;
+
+			INIT_CMAP(saved_red, saved_green, saved_blue);
+			ioctl(fbdev_fd, FBIOGETCMAP, &cmap);
+		}
+
+		u16 red[cols], green[cols], blue[cols];
+
+		if (finfo.visual == FB_VISUAL_PSEUDOCOLOR) {
+			for (u32 i = 0; i < NR_COLORS; i++) {
+				red[i] = (mPalette[i].red << 8) | mPalette[i].red;
+				green[i] = (mPalette[i].green << 8) | mPalette[i].green;
+				blue[i] = (mPalette[i].blue << 8) | mPalette[i].blue;
+			}
+		} else {
+			for (u32 i = 0; i < rcols; i++) {
+				red[i] = (65535 / (rcols - 1)) * i;
+			}
+
+			for (u32 i = 0; i < gcols; i++) {
+				green[i] = (65535 / (gcols - 1)) * i;
+			}
+
+			for (u32 i = 0; i < bcols; i++) {
+				blue[i] = (65535 / (bcols - 1)) * i;
+			}
+		}
+
+		INIT_CMAP(red, green, blue);
+		ioctl(fbdev_fd, FBIOPUTCMAP, &cmap);
+	}
+}
diff --git a/src/fbdev.h b/src/fbdev.h
new file mode 100644
index 0000000..df7536d
--- /dev/null
+++ b/src/fbdev.h
@@ -0,0 +1,38 @@
+/*
+ *   Copyright © 2008-2010 dragchan <zgchan317@gmail.com>
+ *   This file is part of FbTerm.
+ *
+ *   This program is free software; you can redistribute it and/or
+ *   modify it under the terms of the GNU General Public License
+ *   as published by the Free Software Foundation; either version 2
+ *   of the License, or (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#ifndef FBDEV_H
+#define FBDEV_H
+
+#include "screen.h"
+
+class FbDev : public Screen {
+private:
+	friend class Screen;
+	static FbDev *initFbDev();
+
+	FbDev();
+	~FbDev();
+
+	virtual void setupOffset();
+	virtual void setupPalette(bool restore);
+	virtual const s8 *drvId();
+};
+#endif
diff --git a/src/fbio.cpp b/src/fbio.cpp
new file mode 100644
index 0000000..e5afc44
--- /dev/null
+++ b/src/fbio.cpp
@@ -0,0 +1,132 @@
+/*
+ *   Copyright © 2008-2010 dragchan <zgchan317@gmail.com>
+ *   This file is part of FbTerm.
+ *
+ *   This program is free software; you can redistribute it and/or
+ *   modify it under the terms of the GNU General Public License
+ *   as published by the Free Software Foundation; either version 2
+ *   of the License, or (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include <unistd.h>
+#include <fcntl.h>
+#include "config.h"
+#include "fbio.h"
+
+#define NR_FDS 32
+
+#ifdef HAVE_EPOLL
+#include <sys/epoll.h>
+#define NR_EPOLL_FDS 10
+s32 epollFd;
+#else
+static fd_set fds;
+static u32 maxfd = 0;
+#endif
+
+static IoPipe *ioPipeMap[NR_FDS];
+
+IoDispatcher *IoDispatcher::createInstance()
+{
+	return new FbIoDispatcher();
+}
+
+FbIoDispatcher::FbIoDispatcher()
+{
+#ifdef HAVE_EPOLL
+	epollFd = epoll_create(NR_EPOLL_FDS);
+	fcntl(epollFd, F_SETFD, fcntl(epollFd, F_GETFD) | FD_CLOEXEC);
+#else
+	FD_ZERO(&fds);
+#endif
+}
+
+FbIoDispatcher::~FbIoDispatcher()
+{
+	for (u32 i = NR_FDS; i--;) {
+		if (ioPipeMap[i]) delete ioPipeMap[i];
+	}
+
+#ifdef HAVE_EPOLL
+	close(epollFd);
+#endif
+}
+
+void FbIoDispatcher::addIoSource(IoPipe *src, bool isread)
+{
+	if (src->fd() >= NR_FDS) return;
+	ioPipeMap[src->fd()] = src;
+
+#ifdef HAVE_EPOLL
+	epoll_event ev;
+	ev.data.fd = src->fd();
+	ev.events = (isread ? EPOLLIN : EPOLLOUT);
+	epoll_ctl(epollFd, EPOLL_CTL_ADD, src->fd(), &ev);
+#else
+	FD_SET(src->fd(), &fds);
+	if (src->fd() > maxfd) maxfd = src->fd();
+#endif
+}
+
+void FbIoDispatcher::removeIoSource(IoPipe *src, bool isread)
+{
+	if (src->fd() >= NR_FDS) return;
+	ioPipeMap[src->fd()] = 0;
+
+#ifdef HAVE_EPOLL
+	epoll_event ev;
+	ev.data.fd = src->fd();
+	ev.events = (isread ? EPOLLIN : EPOLLOUT);
+	epoll_ctl(epollFd, EPOLL_CTL_DEL, src->fd(), &ev);
+#else
+	FD_CLR(src->fd(), &fds);
+#endif
+}
+
+void FbIoDispatcher::poll()
+{
+#ifdef HAVE_EPOLL
+	epoll_event evs[NR_EPOLL_FDS];
+	s32 nfds = epoll_wait(epollFd, evs, NR_EPOLL_FDS, -1);
+
+	for (s32 i = 0; i < nfds; i++) {
+		IoPipe *src = ioPipeMap[evs[i].data.fd];
+		if (!src) continue;
+
+		if (evs[i].events & EPOLLIN) {
+			src->ready(true);
+		}
+
+		if (evs[i].events & EPOLLOUT) {
+			src->ready(false);
+		}
+
+		if (evs[i].events & EPOLLHUP) {
+			delete src;
+		}
+	}
+#else
+	fd_set rfds = fds;
+	s32 num = select(maxfd + 1, &rfds, 0, 0, 0);
+	if (num <= 0) return;
+
+	for (u32 i = 0; i <= maxfd; i++) {
+		if (FD_ISSET(i, &rfds)) {
+			if (ioPipeMap[i]) {
+				ioPipeMap[i]->ready(true);
+			}
+			if (!--num) break;
+		}
+	}
+#endif
+}
diff --git a/src/fbio.h b/src/fbio.h
new file mode 100644
index 0000000..e962ba5
--- /dev/null
+++ b/src/fbio.h
@@ -0,0 +1,39 @@
+/*
+ *   Copyright © 2008-2010 dragchan <zgchan317@gmail.com>
+ *   This file is part of FbTerm.
+ *
+ *   This program is free software; you can redistribute it and/or
+ *   modify it under the terms of the GNU General Public License
+ *   as published by the Free Software Foundation; either version 2
+ *   of the License, or (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#ifndef FBIO_H
+#define FBIO_H
+
+#include "io.h"
+
+class FbIoDispatcher : public IoDispatcher {
+public:
+	void poll();
+
+private:
+	friend class IoDispatcher;
+	FbIoDispatcher();
+	~FbIoDispatcher();
+
+	virtual void addIoSource(IoPipe *src, bool isread);
+	virtual void removeIoSource(IoPipe *src, bool isread);
+};
+
+#endif
diff --git a/src/fbshell.cpp b/src/fbshell.cpp
new file mode 100644
index 0000000..bce28c7
--- /dev/null
+++ b/src/fbshell.cpp
@@ -0,0 +1,773 @@
+/*
+ *   Copyright © 2008-2010 dragchan <zgchan317@gmail.com>
+ *   This file is part of FbTerm.
+ *
+ *   This program is free software; you can redistribute it and/or
+ *   modify it under the terms of the GNU General Public License
+ *   as published by the Free Software Foundation; either version 2
+ *   of the License, or (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <signal.h>
+#include <termios.h>
+#include <fcntl.h>
+#include <sys/time.h>
+#include <sys/ioctl.h>
+#include "fbshell.h"
+#include "fbshellman.h"
+#include "fbconfig.h"
+#include "screen.h"
+#include "improxy.h"
+#include "fbterm.h"
+#include "font.h"
+#include "input.h"
+
+#define screen (Screen::instance())
+#define manager (FbShellManager::instance())
+
+static const Color defaultPalette[NR_COLORS] = {
+	{0x00, 0x00, 0x00}, /* 0 */
+	{0xaa, 0x00, 0x00}, /* 1 */
+	{0x00, 0xaa, 0x00}, /* 2 */
+	{0xaa, 0x55, 0x00}, /* 3 */
+	{0x00, 0x00, 0xaa}, /* 4 */
+	{0xaa, 0x00, 0xaa}, /* 5 */
+	{0x00, 0xaa, 0xaa}, /* 6 */
+	{0xaa, 0xaa, 0xaa}, /* 7 */
+	{0x55, 0x55, 0x55}, /* 8 */
+	{0xff, 0x55, 0x55}, /* 9 */
+	{0x55, 0xff, 0x55}, /* 10 */
+	{0xff, 0xff, 0x55}, /* 11 */
+	{0x55, 0x55, 0xff}, /* 12 */
+	{0xff, 0x55, 0xff}, /* 13 */
+	{0x55, 0xff, 0xff}, /* 14 */
+	{0xff, 0xff, 0xff}, /* 15 */
+
+	{0x00, 0x00, 0x00}, /* 16 */
+	{0x00, 0x00, 0x5f}, /* 17 */
+	{0x00, 0x00, 0x87}, /* 18 */
+	{0x00, 0x00, 0xaf}, /* 19 */
+	{0x00, 0x00, 0xd7}, /* 20 */
+	{0x00, 0x00, 0xff}, /* 21 */
+	{0x00, 0x5f, 0x00}, /* 22 */
+	{0x00, 0x5f, 0x5f}, /* 23 */
+	{0x00, 0x5f, 0x87}, /* 24 */
+	{0x00, 0x5f, 0xaf}, /* 25 */
+	{0x00, 0x5f, 0xd7}, /* 26 */
+	{0x00, 0x5f, 0xff}, /* 27 */
+	{0x00, 0x87, 0x00}, /* 28 */
+	{0x00, 0x87, 0x5f}, /* 29 */
+	{0x00, 0x87, 0x87}, /* 30 */
+	{0x00, 0x87, 0xaf}, /* 31 */
+	{0x00, 0x87, 0xd7}, /* 32 */
+	{0x00, 0x87, 0xff}, /* 33 */
+	{0x00, 0xaf, 0x00}, /* 34 */
+	{0x00, 0xaf, 0x5f}, /* 35 */
+	{0x00, 0xaf, 0x87}, /* 36 */
+	{0x00, 0xaf, 0xaf}, /* 37 */
+	{0x00, 0xaf, 0xd7}, /* 38 */
+	{0x00, 0xaf, 0xff}, /* 39 */
+	{0x00, 0xd7, 0x00}, /* 40 */
+	{0x00, 0xd7, 0x5f}, /* 41 */
+	{0x00, 0xd7, 0x87}, /* 42 */
+	{0x00, 0xd7, 0xaf}, /* 43 */
+	{0x00, 0xd7, 0xd7}, /* 44 */
+	{0x00, 0xd7, 0xff}, /* 45 */
+	{0x00, 0xff, 0x00}, /* 46 */
+	{0x00, 0xff, 0x5f}, /* 47 */
+	{0x00, 0xff, 0x87}, /* 48 */
+	{0x00, 0xff, 0xaf}, /* 49 */
+	{0x00, 0xff, 0xd7}, /* 50 */
+	{0x00, 0xff, 0xff}, /* 51 */
+
+	{0x5f, 0x00, 0x00}, /* 52 */
+	{0x5f, 0x00, 0x5f}, /* 53 */
+	{0x5f, 0x00, 0x87}, /* 54 */
+	{0x5f, 0x00, 0xaf}, /* 55 */
+	{0x5f, 0x00, 0xd7}, /* 56 */
+	{0x5f, 0x00, 0xff}, /* 57 */
+	{0x5f, 0x5f, 0x00}, /* 58 */
+	{0x5f, 0x5f, 0x5f}, /* 59 */
+	{0x5f, 0x5f, 0x87}, /* 60 */
+	{0x5f, 0x5f, 0xaf}, /* 61 */
+	{0x5f, 0x5f, 0xd7}, /* 62 */
+	{0x5f, 0x5f, 0xff}, /* 63 */
+	{0x5f, 0x87, 0x00}, /* 64 */
+	{0x5f, 0x87, 0x5f}, /* 65 */
+	{0x5f, 0x87, 0x87}, /* 66 */
+	{0x5f, 0x87, 0xaf}, /* 67 */
+	{0x5f, 0x87, 0xd7}, /* 68 */
+	{0x5f, 0x87, 0xff}, /* 69 */
+	{0x5f, 0xaf, 0x00}, /* 70 */
+	{0x5f, 0xaf, 0x5f}, /* 71 */
+	{0x5f, 0xaf, 0x87}, /* 72 */
+	{0x5f, 0xaf, 0xaf}, /* 73 */
+	{0x5f, 0xaf, 0xd7}, /* 74 */
+	{0x5f, 0xaf, 0xff}, /* 75 */
+	{0x5f, 0xd7, 0x00}, /* 76 */
+	{0x5f, 0xd7, 0x5f}, /* 77 */
+	{0x5f, 0xd7, 0x87}, /* 78 */
+	{0x5f, 0xd7, 0xaf}, /* 79 */
+	{0x5f, 0xd7, 0xd7}, /* 80 */
+	{0x5f, 0xd7, 0xff}, /* 81 */
+	{0x5f, 0xff, 0x00}, /* 82 */
+	{0x5f, 0xff, 0x5f}, /* 83 */
+	{0x5f, 0xff, 0x87}, /* 84 */
+	{0x5f, 0xff, 0xaf}, /* 85 */
+	{0x5f, 0xff, 0xd7}, /* 86 */
+	{0x5f, 0xff, 0xff}, /* 87 */
+
+	{0x87, 0x00, 0x00}, /* 88 */
+	{0x87, 0x00, 0x5f}, /* 89 */
+	{0x87, 0x00, 0x87}, /* 90 */
+	{0x87, 0x00, 0xaf}, /* 91 */
+	{0x87, 0x00, 0xd7}, /* 92 */
+	{0x87, 0x00, 0xff}, /* 93 */
+	{0x87, 0x5f, 0x00}, /* 94 */
+	{0x87, 0x5f, 0x5f}, /* 95 */
+	{0x87, 0x5f, 0x87}, /* 96 */
+	{0x87, 0x5f, 0xaf}, /* 97 */
+	{0x87, 0x5f, 0xd7}, /* 98 */
+	{0x87, 0x5f, 0xff}, /* 99 */
+	{0x87, 0x87, 0x00}, /* 100 */
+	{0x87, 0x87, 0x5f}, /* 101 */
+	{0x87, 0x87, 0x87}, /* 102 */
+	{0x87, 0x87, 0xaf}, /* 103 */
+	{0x87, 0x87, 0xd7}, /* 104 */
+	{0x87, 0x87, 0xff}, /* 105 */
+	{0x87, 0xaf, 0x00}, /* 106 */
+	{0x87, 0xaf, 0x5f}, /* 107 */
+	{0x87, 0xaf, 0x87}, /* 108 */
+	{0x87, 0xaf, 0xaf}, /* 109 */
+	{0x87, 0xaf, 0xd7}, /* 110 */
+	{0x87, 0xaf, 0xff}, /* 111 */
+	{0x87, 0xd7, 0x00}, /* 112 */
+	{0x87, 0xd7, 0x5f}, /* 113 */
+	{0x87, 0xd7, 0x87}, /* 114 */
+	{0x87, 0xd7, 0xaf}, /* 115 */
+	{0x87, 0xd7, 0xd7}, /* 116 */
+	{0x87, 0xd7, 0xff}, /* 117 */
+	{0x87, 0xff, 0x00}, /* 118 */
+	{0x87, 0xff, 0x5f}, /* 119 */
+	{0x87, 0xff, 0x87}, /* 120 */
+	{0x87, 0xff, 0xaf}, /* 121 */
+	{0x87, 0xff, 0xd7}, /* 122 */
+	{0x87, 0xff, 0xff}, /* 123 */
+
+	{0xaf, 0x00, 0x00}, /* 124 */
+	{0xaf, 0x00, 0x5f}, /* 125 */
+	{0xaf, 0x00, 0x87}, /* 126 */
+	{0xaf, 0x00, 0xaf}, /* 127 */
+	{0xaf, 0x00, 0xd7}, /* 128 */
+	{0xaf, 0x00, 0xff}, /* 129 */
+	{0xaf, 0x5f, 0x00}, /* 130 */
+	{0xaf, 0x5f, 0x5f}, /* 131 */
+	{0xaf, 0x5f, 0x87}, /* 132 */
+	{0xaf, 0x5f, 0xaf}, /* 133 */
+	{0xaf, 0x5f, 0xd7}, /* 134 */
+	{0xaf, 0x5f, 0xff}, /* 135 */
+	{0xaf, 0x87, 0x00}, /* 136 */
+	{0xaf, 0x87, 0x5f}, /* 137 */
+	{0xaf, 0x87, 0x87}, /* 138 */
+	{0xaf, 0x87, 0xaf}, /* 139 */
+	{0xaf, 0x87, 0xd7}, /* 140 */
+	{0xaf, 0x87, 0xff}, /* 141 */
+	{0xaf, 0xaf, 0x00}, /* 142 */
+	{0xaf, 0xaf, 0x5f}, /* 143 */
+	{0xaf, 0xaf, 0x87}, /* 144 */
+	{0xaf, 0xaf, 0xaf}, /* 145 */
+	{0xaf, 0xaf, 0xd7}, /* 146 */
+	{0xaf, 0xaf, 0xff}, /* 147 */
+	{0xaf, 0xd7, 0x00}, /* 148 */
+	{0xaf, 0xd7, 0x5f}, /* 149 */
+	{0xaf, 0xd7, 0x87}, /* 150 */
+	{0xaf, 0xd7, 0xaf}, /* 151 */
+	{0xaf, 0xd7, 0xd7}, /* 152 */
+	{0xaf, 0xd7, 0xff}, /* 153 */
+	{0xaf, 0xff, 0x00}, /* 154 */
+	{0xaf, 0xff, 0x5f}, /* 155 */
+	{0xaf, 0xff, 0x87}, /* 156 */
+	{0xaf, 0xff, 0xaf}, /* 157 */
+	{0xaf, 0xff, 0xd7}, /* 158 */
+	{0xaf, 0xff, 0xff}, /* 159 */
+
+	{0xd7, 0x00, 0x00}, /* 160 */
+	{0xd7, 0x00, 0x5f}, /* 161 */
+	{0xd7, 0x00, 0x87}, /* 162 */
+	{0xd7, 0x00, 0xaf}, /* 163 */
+	{0xd7, 0x00, 0xd7}, /* 164 */
+	{0xd7, 0x00, 0xff}, /* 165 */
+	{0xd7, 0x5f, 0x00}, /* 166 */
+	{0xd7, 0x5f, 0x5f}, /* 167 */
+	{0xd7, 0x5f, 0x87}, /* 168 */
+	{0xd7, 0x5f, 0xaf}, /* 169 */
+	{0xd7, 0x5f, 0xd7}, /* 170 */
+	{0xd7, 0x5f, 0xff}, /* 171 */
+	{0xd7, 0x87, 0x00}, /* 172 */
+	{0xd7, 0x87, 0x5f}, /* 173 */
+	{0xd7, 0x87, 0x87}, /* 174 */
+	{0xd7, 0x87, 0xaf}, /* 175 */
+	{0xd7, 0x87, 0xd7}, /* 176 */
+	{0xd7, 0x87, 0xff}, /* 177 */
+	{0xd7, 0xaf, 0x00}, /* 178 */
+	{0xd7, 0xaf, 0x5f}, /* 179 */
+	{0xd7, 0xaf, 0x87}, /* 180 */
+	{0xd7, 0xaf, 0xaf}, /* 181 */
+	{0xd7, 0xaf, 0xd7}, /* 182 */
+	{0xd7, 0xaf, 0xff}, /* 183 */
+	{0xd7, 0xd7, 0x00}, /* 184 */
+	{0xd7, 0xd7, 0x5f}, /* 185 */
+	{0xd7, 0xd7, 0x87}, /* 186 */
+	{0xd7, 0xd7, 0xaf}, /* 187 */
+	{0xd7, 0xd7, 0xd7}, /* 188 */
+	{0xd7, 0xd7, 0xff}, /* 189 */
+	{0xd7, 0xff, 0x00}, /* 190 */
+	{0xd7, 0xff, 0x5f}, /* 191 */
+	{0xd7, 0xff, 0x87}, /* 192 */
+	{0xd7, 0xff, 0xaf}, /* 193 */
+	{0xd7, 0xff, 0xd7}, /* 194 */
+	{0xd7, 0xff, 0xff}, /* 195 */
+
+	{0xff, 0x00, 0x00}, /* 196 */
+	{0xff, 0x00, 0x5f}, /* 197 */
+	{0xff, 0x00, 0x87}, /* 198 */
+	{0xff, 0x00, 0xaf}, /* 199 */
+	{0xff, 0x00, 0xd7}, /* 200 */
+	{0xff, 0x00, 0xff}, /* 201 */
+	{0xff, 0x5f, 0x00}, /* 202 */
+	{0xff, 0x5f, 0x5f}, /* 203 */
+	{0xff, 0x5f, 0x87}, /* 204 */
+	{0xff, 0x5f, 0xaf}, /* 205 */
+	{0xff, 0x5f, 0xd7}, /* 206 */
+	{0xff, 0x5f, 0xff}, /* 207 */
+	{0xff, 0x87, 0x00}, /* 208 */
+	{0xff, 0x87, 0x5f}, /* 209 */
+	{0xff, 0x87, 0x87}, /* 210 */
+	{0xff, 0x87, 0xaf}, /* 211 */
+	{0xff, 0x87, 0xd7}, /* 212 */
+	{0xff, 0x87, 0xff}, /* 213 */
+	{0xff, 0xaf, 0x00}, /* 214 */
+	{0xff, 0xaf, 0x5f}, /* 215 */
+	{0xff, 0xaf, 0x87}, /* 216 */
+	{0xff, 0xaf, 0xaf}, /* 217 */
+	{0xff, 0xaf, 0xd7}, /* 218 */
+	{0xff, 0xaf, 0xff}, /* 219 */
+	{0xff, 0xd7, 0x00}, /* 220 */
+	{0xff, 0xd7, 0x5f}, /* 221 */
+	{0xff, 0xd7, 0x87}, /* 222 */
+	{0xff, 0xd7, 0xaf}, /* 223 */
+	{0xff, 0xd7, 0xd7}, /* 224 */
+	{0xff, 0xd7, 0xff}, /* 225 */
+	{0xff, 0xff, 0x00}, /* 226 */
+	{0xff, 0xff, 0x5f}, /* 227 */
+	{0xff, 0xff, 0x87}, /* 228 */
+	{0xff, 0xff, 0xaf}, /* 229 */
+	{0xff, 0xff, 0xd7}, /* 230 */
+	{0xff, 0xff, 0xff}, /* 231 */
+
+	{0x08, 0x08, 0x08}, /* 232 */
+	{0x12, 0x12, 0x12}, /* 233 */
+	{0x1c, 0x1c, 0x1c}, /* 234 */
+	{0x26, 0x26, 0x26}, /* 235 */
+	{0x30, 0x30, 0x30}, /* 236 */
+	{0x3a, 0x3a, 0x3a}, /* 237 */
+	{0x44, 0x44, 0x44}, /* 238 */
+	{0x4e, 0x4e, 0x4e}, /* 239 */
+	{0x58, 0x58, 0x58}, /* 240 */
+	{0x62, 0x62, 0x62}, /* 241 */
+	{0x6c, 0x6c, 0x6c}, /* 242 */
+	{0x76, 0x76, 0x76}, /* 243 */
+	{0x80, 0x80, 0x80}, /* 244 */
+	{0x8a, 0x8a, 0x8a}, /* 245 */
+	{0x94, 0x94, 0x94}, /* 246 */
+	{0x9e, 0x9e, 0x9e}, /* 247 */
+	{0xa8, 0xa8, 0xa8}, /* 248 */
+	{0xb2, 0xb2, 0xb2}, /* 249 */
+	{0xbc, 0xbc, 0xbc}, /* 250 */
+	{0xc6, 0xc6, 0xc6}, /* 251 */
+	{0xd0, 0xd0, 0xd0}, /* 252 */
+	{0xda, 0xda, 0xda}, /* 253 */
+	{0xe4, 0xe4, 0xe4}, /* 254 */
+	{0xee, 0xee, 0xee}, /* 255 */
+};
+
+static bool firstShell = true;
+
+u16 VTerm::init_history_lines()
+{
+	u32 val = 1000;
+	Config::instance()->getOption("history-lines", val);
+	if (val > 65535) val = 65535;
+	return val;
+}
+
+u8 VTerm::init_default_color(bool foreground)
+{
+	u32 color;
+
+	if (foreground) {
+		color = 7;
+		Config::instance()->getOption("color-foreground", color);
+		if (color > 7) color = 7;
+	} else {
+		color = 0;
+		Config::instance()->getOption("color-background", color);
+		if (color > 7) color = 0;
+	}
+
+	return color;
+}
+
+bool VTerm::init_ambiguous_wide()
+{
+	bool val = false;
+	Config::instance()->getOption("ambiguous-wide", val);
+	return val;
+}
+
+void Shell::initWordChars(s8 *buf, u32 len)
+{
+	Config::instance()->getOption("word-chars", buf, len);
+}
+
+FbShell::FbShell()
+{
+	mImProxy = 0;
+	mPaletteChanged = false;
+	mPalette = 0;
+	createShellProcess(Config::instance()->getShellCommand());
+	resize(screen->cols(), screen->rows());
+
+	firstShell = false;
+}
+
+FbShell::~FbShell()
+{
+	if (mImProxy) delete mImProxy;
+
+	manager->shellExited(this);
+	if (mPalette) delete[] mPalette;
+}
+
+void FbShell::drawChars(CharAttr attr, u16 x, u16 y, u16 w, u16 num, u16 *chars, bool *dws)
+{
+	if (manager->activeShell() != this) return;
+
+	adjustCharAttr(attr);
+	screen->drawText(FW(x), FH(y), attr.fcolor, attr.bcolor, num, chars, dws);
+
+	if (mImProxy) {
+		Rectangle rect = { FW(x), FH(y), FW(w), FH(1) };
+		mImProxy->redrawImWin(rect);
+	}
+}
+
+bool FbShell::moveChars(u16 sx, u16 sy, u16 dx, u16 dy, u16 w, u16 h)
+{
+	if (manager->activeShell() != this) return true;
+	return screen->move(sx, sy, dx, dy, w, h);
+}
+
+void FbShell::drawCursor(CharAttr attr, u16 x, u16 y, u16 c)
+{
+	u16 oldX = mCursor.x, oldY = mCursor.y;
+
+	adjustCharAttr(attr);
+	mCursor.attr = attr;
+	mCursor.x = x;
+	mCursor.y = y;
+	mCursor.code = c;
+	mCursor.showed = false;
+
+	updateCursor();
+
+	if (manager->activeShell() == this && (oldX != x || oldY != y)) {
+		reportCursor();
+	}
+}
+
+void FbShell::updateCursor()
+{
+	if (manager->activeShell() != this || mCursor.x >= w() || mCursor.y >= h()) return;
+	mCursor.showed ^= true;
+
+	u16 shape = mode(CursorShape);
+	if (shape == CurDefault) {
+		static bool inited = false;
+		static u32 default_shape = 0;
+		if (!inited) {
+			inited = true;
+			Config::instance()->getOption("cursor-shape", default_shape);
+
+			if (!default_shape) default_shape = CurUnderline;
+			else default_shape = CurBlock;
+		}
+
+		shape = default_shape;
+	}
+
+	switch (shape) {
+	case CurNone:
+		break;
+
+	case CurUnderline:
+		screen->fillRect(FW(mCursor.x), FH(mCursor.y + 1) - 1, FW(1), 1, mCursor.showed ? mCursor.attr.fcolor : mCursor.attr.bcolor);
+		if (mImProxy) {
+			Rectangle rect = { FW(mCursor.x), FH(mCursor.y + 1) - 1, FW(1), 1 };
+			mImProxy->redrawImWin(rect);
+		}
+		break;
+
+	default: {
+		bool dw = (mCursor.attr.type != CharAttr::Single);
+
+		u16 x = mCursor.x;
+		if (mCursor.attr.type == CharAttr::DoubleRight) x--;
+
+		CharAttr attr = mCursor.attr;
+		if (mCursor.showed) {
+			u8 temp = attr.fcolor;
+			attr.fcolor = attr.bcolor;
+			attr.bcolor = temp;
+		}
+
+		drawChars(attr, x, mCursor.y, dw ? FW(2) : FW(1), 1, &mCursor.code, &dw);
+		break;
+	}
+	}
+}
+
+void FbShell::enableCursor(bool enable)
+{
+	static u32 interval = 500;
+	static bool inited = false;
+	if (!inited) {
+		inited = true;
+		Config::instance()->getOption("cursor-interval", interval);
+	}
+
+	if (!interval) return;
+
+	static bool enabled = false;
+	if (enabled == enable) return;
+	enabled = enable;
+
+	u32 val = (enable ? interval : 0);
+	u32 sec = val / 1000, usec = (val % 1000) * 1000;
+
+	struct itimerval timer;
+	timer.it_interval.tv_usec = usec;
+	timer.it_interval.tv_sec = sec;
+	timer.it_value.tv_usec = usec;
+	timer.it_value.tv_sec = sec;
+
+	setitimer(ITIMER_REAL, &timer, NULL);
+}
+
+void FbShell::modeChanged(ModeType type)
+{
+	if (manager->activeShell() != this) return;
+
+	if (type & (CursorVisible | CursorShape)) {
+		enableCursor(mode(CursorVisible) && mode(CursorShape) != CurNone);
+	}
+
+	if (type & CursorKeyEscO) {
+		changeMode(CursorKeyEscO, mode(CursorKeyEscO));
+	}
+
+	if (type & AutoRepeatKey) {
+		changeMode(AutoRepeatKey, mode(AutoRepeatKey));
+	}
+
+	if (type & ApplicKeypad) {
+		changeMode(ApplicKeypad, mode(ApplicKeypad));
+	}
+
+	if (type & CRWithLF) {
+		changeMode(CRWithLF, mode(CRWithLF));
+	}
+
+	if (type & (CursorKeyEscO | ApplicKeypad | CRWithLF)) {
+		reportMode();
+	}
+}
+
+void FbShell::request(RequestType type,  u32 val)
+{
+	bool active = (manager->activeShell() == this);
+
+	switch (type) {
+	case PaletteSet:
+		if ((val >> 24) >= NR_COLORS) break;
+
+		if (!mPaletteChanged) {
+			mPaletteChanged = true;
+
+			if (!mPalette) mPalette = new Color[NR_COLORS];
+			memcpy(mPalette, defaultPalette, sizeof(defaultPalette));
+		}
+
+		mPalette[val >> 24].red = (val >> 16) & 0xff;
+		mPalette[val >> 24].green = (val >> 8) & 0xff;
+		mPalette[val >> 24].blue = val & 0xff;
+
+		if (active) {
+			screen->setPalette(mPalette);
+		}
+		break;
+
+	case PaletteClear:
+		if (!mPaletteChanged) break;
+		mPaletteChanged = false;
+
+		if (active) {
+			screen->setPalette(defaultPalette);
+		}
+		break;
+
+	case VcSwitch:
+		break;
+
+	default:
+		break;
+	}
+}
+
+static s32 tty0_fd = -1;
+
+void FbShell::switchVt(bool enter, FbShell *peer)
+{
+	if (tty0_fd == -1) tty0_fd = open("/dev/tty0", O_RDWR);
+	if (tty0_fd != -1) {
+		seteuid(0);
+		ioctl(tty0_fd, TIOCCONS, 0);
+		if (enter) {
+			s32 slavefd = open(ptsname(fd()), O_RDWR);
+			ioctl(slavefd, TIOCCONS, 0);
+			close(slavefd);
+		}
+		seteuid(getuid());
+	}
+
+	if (mImProxy) {
+		mImProxy->switchVt(enter, peer ? peer->mImProxy : 0);
+	}
+
+	if (enter) {
+		screen->setPalette(mPaletteChanged ? mPalette : defaultPalette);
+		modeChanged(AllModes);
+		reportCursor();
+	} else if (!peer) {
+		changeMode(CursorKeyEscO, false);
+		changeMode(ApplicKeypad, false);
+		changeMode(CRWithLF, false);
+		changeMode(AutoRepeatKey, true);
+
+		enableCursor(false);
+		screen->setPalette(defaultPalette);
+	}
+}
+
+void FbShell::initShellProcess()
+{
+	if (tty0_fd != -1) close(tty0_fd);
+	FbTerm::instance()->initChildProcess();
+
+	if (!firstShell) return;
+
+	bool verbose = false;
+	Config::instance()->getOption("verbose", verbose);
+
+	TtyInput::instance()->showInfo(verbose);
+	Screen::instance()->showInfo(verbose);
+	Font::instance()->showInfo(verbose);
+
+	if (verbose) {
+		printf("[term] size: %dx%d, default codec: %s\n", screen->cols(), screen->rows(), localCodec());
+	}
+}
+
+void FbShell::switchCodec(u8 index)
+{
+	if (!index) {
+		setCodec("UTF-8", localCodec());
+		return;
+	}
+
+	#define NR_CODECS 5
+	if (index > NR_CODECS) return;
+
+	static s8 buf[128], *codecs[NR_CODECS];
+	static bool inited = false;
+	if (!inited) {
+		inited = true;
+		Config::instance()->getOption("text-encodings", buf, sizeof(buf));
+		if (!*buf) return;
+
+		s8 *cur = buf, *next;
+		u8 i = 0;
+		while (1) {
+			next = strchr(cur, ',');
+			codecs[i++] = cur;
+
+			if (!next) break;
+			*next = 0;
+
+			if (i == NR_CODECS) break;
+
+			cur = next + 1;
+		}
+	}
+
+	if (codecs[index - 1]) {
+		setCodec("UTF-8", codecs[index - 1]);
+	}
+}
+
+void FbShell::keyInput(s8 *buf, u32 len)
+{
+	if (mImProxy && mImProxy->actived()) {
+		mImProxy->sendKey(buf, len);
+	} else {
+		imInput(buf, len);
+	}
+}
+
+void FbShell::mouseInput(u16 x, u16 y, s32 type, s32 buttons)
+{
+	if (type == Move) {
+		clearMousePointer();
+
+		CharAttr attr = charAttr(x, y);
+		adjustCharAttr(attr);
+
+		bool dw = (attr.type != CharAttr::Single);
+		u16 code = charCode(x, y);
+
+		if (attr.type == CharAttr::DoubleRight) x--;
+		screen->drawText(FW(x), FH(y), attr.bcolor, attr.fcolor, 1, &code, &dw);
+
+		mMousePointer.x = x;
+		mMousePointer.y = y;
+		mMousePointer.drawed = true;
+	}
+
+	Shell::mouseInput(x, y, type, buttons);
+}
+
+void FbShell::readyRead(s8 *buf, u32 len)
+{
+	clearMousePointer();
+	Shell::readyRead(buf, len);
+}
+
+void FbShell::clearMousePointer()
+{
+	if (mMousePointer.drawed) {
+		mMousePointer.drawed = false;
+		expose(mMousePointer.x, mMousePointer.y, 1, 1);
+	}
+}
+
+void FbShell::expose(u16 x, u16 y, u16 w, u16 h)
+{
+	VTerm::expose(x, y, w, h);
+
+	if (mode(CursorVisible) && mCursor.y >= y && mCursor.y < (y + h) && mCursor.x >= x && mCursor.x < (x + w)) {
+		mCursor.showed = false;
+		updateCursor();
+	}
+}
+
+void FbShell::adjustCharAttr(CharAttr &attr)
+{
+	if (attr.italic) attr.fcolor = 2; // green
+	else if (attr.underline) attr.fcolor = 6; // cyan
+	else if (attr.intensity == 0) attr.fcolor = 8; // gray
+
+	if (attr.blink && attr.bcolor < 8) attr.bcolor ^= 8;
+	if (attr.intensity == 2 && attr.fcolor < 8) attr.fcolor ^= 8;
+
+	if (attr.reverse) {
+		u16 temp = attr.bcolor;
+		attr.bcolor = attr.fcolor;
+		attr.fcolor = temp;
+
+		if (attr.bcolor > 8 && attr.bcolor < 16) attr.bcolor -= 8;
+	}
+}
+
+void FbShell::changeMode(ModeType type, u16 val)
+{
+	const s8 *str = 0;
+
+	if (type == CursorKeyEscO) str = (val ? "\e[?1h" : "\e[?1l");
+	else if (type == AutoRepeatKey) str = (val ? "\e[?8h" : "\e[?8l");
+	else if (type == ApplicKeypad) str = (val ? "\e=" : "\e>");
+	else if (type == CRWithLF) str = (val ? "\e[20h" : "\e[20l");
+
+	if (str) {
+		s32 ret = ::write(STDIN_FILENO, str, strlen(str));
+	}
+}
+
+void FbShell::reportCursor()
+{
+	if (mImProxy) mImProxy->changeCursorPos(mCursor.x, mCursor.y);
+}
+
+void FbShell::reportMode()
+{
+	if (mImProxy) mImProxy->changeTermMode(mode(CRWithLF), mode(ApplicKeypad), mode(CursorKeyEscO));
+}
+
+void FbShell::killIm()
+{
+	if (mImProxy) delete mImProxy;
+}
+void FbShell::toggleIm()
+{
+	if (!mImProxy) mImProxy = new ImProxy(this);
+
+	if (mImProxy) {
+		mImProxy->toggleActive();
+		reportCursor();
+		reportMode();
+	}
+}
+
+void FbShell::imInput(s8 *buf, u32 len)
+{
+	clearMousePointer();
+	Shell::keyInput(buf, len);
+}
+
+bool FbShell::childProcessExited(s32 pid)
+{
+	if (mImProxy && pid == mImProxy->imProcessId()) {
+		delete mImProxy;
+		return true;
+	}
+
+	if (pid == shellProcessId()) {
+		delete this;
+		return true;
+	}
+
+	return false;
+}
diff --git a/src/fbshell.h b/src/fbshell.h
new file mode 100644
index 0000000..983ce1d
--- /dev/null
+++ b/src/fbshell.h
@@ -0,0 +1,86 @@
+/*
+ *   Copyright © 2008-2010 dragchan <zgchan317@gmail.com>
+ *   This file is part of FbTerm.
+ *
+ *   This program is free software; you can redistribute it and/or
+ *   modify it under the terms of the GNU General Public License
+ *   as published by the Free Software Foundation; either version 2
+ *   of the License, or (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#ifndef FBSHELL_H
+#define FBSHELL_H
+
+#include "shell.h"
+
+class FbShell : public Shell {
+public:
+	void keyInput(s8 *buf, u32 len);
+	void mouseInput(u16 x, u16 y, s32 type, s32 buttons);
+	void switchCodec(u8 index);
+	void expose(u16 x, u16 y, u16 w, u16 h);
+	void toggleIm();
+	void killIm();
+	void imInput(s8 *buf, u32 len);
+	void ImExited() { mImProxy = 0; }
+	bool childProcessExited(s32 pid);
+
+private:
+	friend class FbShellManager;
+	FbShell();
+	~FbShell();
+
+	virtual void drawChars(CharAttr attr, u16 x, u16 y, u16 w, u16 num, u16 *chars, bool *dws);
+	virtual bool moveChars(u16 sx, u16 sy, u16 dx, u16 dy, u16 w, u16 h);
+	virtual void drawCursor(CharAttr attr, u16 x, u16 y, u16 c);
+	virtual void modeChanged(ModeType type);
+	virtual void request(RequestType type, u32 val = 0);
+
+	virtual void initShellProcess();
+	virtual void readyRead(s8 *buf, u32 len);
+
+	void switchVt(bool enter, FbShell *peer);
+	void adjustCharAttr(CharAttr &attr);
+	void enableCursor(bool enable);
+	void updateCursor();
+	void clearMousePointer();
+
+	void changeMode(ModeType type, u16 val);
+	void reportCursor();
+	void reportMode();
+
+	struct Cursor {
+		Cursor() {
+			x = y = (u16)-1;
+			showed = false;
+		}
+		bool showed;
+		u16 x, y;
+		u16 code;
+		CharAttr attr;
+	} mCursor;
+
+	struct MousePointer {
+		MousePointer() {
+			drawed = false;
+		}
+		u16 x, y;
+		bool drawed;
+	} mMousePointer;
+
+	bool mPaletteChanged;
+	struct Color *mPalette;
+	class ImProxy *mImProxy;
+};
+
+#endif
diff --git a/src/fbshellman.cpp b/src/fbshellman.cpp
new file mode 100644
index 0000000..6629234
--- /dev/null
+++ b/src/fbshellman.cpp
@@ -0,0 +1,174 @@
+/*
+ *   Copyright © 2008-2010 dragchan <zgchan317@gmail.com>
+ *   This file is part of FbTerm.
+ *
+ *   This program is free software; you can redistribute it and/or
+ *   modify it under the terms of the GNU General Public License
+ *   as published by the Free Software Foundation; either version 2
+ *   of the License, or (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include <string.h>
+#include "fbshellman.h"
+#include "fbshell.h"
+#include "fbterm.h"
+#include "screen.h"
+#include "improxy.h"
+#include "font.h"
+
+#define screen (Screen::instance())
+#define SHELL_ANY ((FbShell *)-1)
+
+DEFINE_INSTANCE_DEFAULT(FbShellManager)
+
+FbShellManager::FbShellManager()
+{
+	mVcCurrent = false;
+	mShellCount = 0;
+	mCurShell = 0;
+	mActiveShell = 0;
+	memset(mShellList, 0, sizeof(mShellList));
+}
+
+FbShellManager::~FbShellManager()
+{
+}
+
+void FbShellManager::createShell()
+{
+	if (mShellCount == NR_SHELLS) return;
+	mShellCount++;
+
+	u32 index = getIndex(0, true, false);
+	mShellList[index] = new FbShell();
+	switchShell(index);
+}
+
+void FbShellManager::deleteShell()
+{
+	if (mShellList[mCurShell]) delete mShellList[mCurShell];
+}
+
+void FbShellManager::nextShell()
+{
+	switchShell(getIndex(SHELL_ANY, true, true));
+}
+
+void FbShellManager::prevShell()
+{
+	switchShell(getIndex(SHELL_ANY, false, true));
+}
+
+void FbShellManager::switchShell(u32 num)
+{
+	if (num >= NR_SHELLS) return;
+
+	mCurShell = num;
+	if (mVcCurrent && setActive(mShellList[mCurShell])) {
+		redraw(0, 0, screen->cols(), screen->rows());
+	}
+}
+
+void FbShellManager::drawCursor()
+{
+	if (mActiveShell) {
+		mActiveShell->updateCursor();
+	}
+}
+
+void FbShellManager::historyScroll(bool down)
+{
+	if (mActiveShell) {
+		mActiveShell->historyDisplay(false, down ? mActiveShell->h() : -mActiveShell->h());
+	}
+}
+
+void FbShellManager::switchVc(bool enter)
+{
+	mVcCurrent = enter;
+	setActive(enter ? mShellList[mCurShell] : 0);
+
+	if (enter) {
+		redraw(0, 0, screen->cols(), screen->rows());
+	}
+}
+
+void FbShellManager::shellExited(FbShell *shell)
+{
+	if (!shell) return;
+
+	u8 index = getIndex(shell, true, false);
+	mShellList[index] = 0;
+
+	if (index == mCurShell) {
+		prevShell();
+	}
+
+	if (!--mShellCount) {
+		FbTerm::instance()->exit();
+	}
+}
+
+u32 FbShellManager::getIndex(FbShell *shell, bool forward,  bool stepfirst)
+{
+	u32 index, temp = mCurShell + NR_SHELLS;
+
+	#define STEP() do { \
+		if (forward) temp++; \
+		else temp--; \
+	} while (0)
+
+	if (stepfirst) STEP();
+
+	for (u32 i = NR_SHELLS; i--;) {
+		index = temp % NR_SHELLS;
+		if ((shell == SHELL_ANY && mShellList[index]) || shell == mShellList[index]) break;
+		STEP();
+	}
+
+	return index;
+}
+
+bool FbShellManager::setActive(FbShell *shell)
+{
+	if (mActiveShell == shell) return false;
+
+	if (mActiveShell) {
+		mActiveShell->switchVt(false, shell);
+	}
+
+	FbShell *oldActiveShell = mActiveShell;
+	mActiveShell = shell;
+
+	if (mActiveShell) {
+		mActiveShell->switchVt(true, oldActiveShell);
+	}
+
+	return true;
+}
+
+void FbShellManager::redraw(u16 x, u16 y, u16 w, u16 h)
+{
+	if (mActiveShell) {
+		mActiveShell->expose(x, y, w, h);
+	} else {
+		screen->fillRect(FW(x), FH(y), FW(w), FH(h), 0);
+	}
+}
+
+void FbShellManager::childProcessExited(s32 pid)
+{
+	for (u32 i = 0; i < NR_SHELLS; i++) {
+		if (mShellList[i] && mShellList[i]->childProcessExited(pid)) break;
+	}
+}
diff --git a/src/fbshellman.h b/src/fbshellman.h
new file mode 100644
index 0000000..5f047a6
--- /dev/null
+++ b/src/fbshellman.h
@@ -0,0 +1,58 @@
+/*
+ *   Copyright © 2008-2010 dragchan <zgchan317@gmail.com>
+ *   This file is part of FbTerm.
+ *
+ *   This program is free software; you can redistribute it and/or
+ *   modify it under the terms of the GNU General Public License
+ *   as published by the Free Software Foundation; either version 2
+ *   of the License, or (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#ifndef FBSHELL_MANAGER_H
+#define FBSHELL_MANAGER_H
+
+#include "type.h"
+#include "instance.h"
+
+class FbShell;
+
+class FbShellManager {
+	DECLARE_INSTANCE(FbShellManager)
+public:
+	FbShell *activeShell() {
+		return mActiveShell;
+	}
+	void createShell();
+	void deleteShell();
+	void shellExited(FbShell *shell);
+	void switchShell(u32 num);
+	void nextShell();
+	void prevShell();
+
+	void drawCursor();
+	void historyScroll(bool down);
+	void redraw(u16 x, u16 y, u16 w, u16 h);
+	void switchVc(bool enter);
+	void childProcessExited(s32 pid);
+
+private:
+	u32 getIndex(FbShell *shell, bool forward, bool stepfirst);
+	bool setActive(FbShell *shell);
+
+	#define NR_SHELLS 10
+	FbShell *mShellList[NR_SHELLS], *mActiveShell;
+	u32 mShellCount, mCurShell;
+	bool mVcCurrent;
+};
+
+#endif
diff --git a/src/fbterm.cpp b/src/fbterm.cpp
new file mode 100644
index 0000000..38d4014
--- /dev/null
+++ b/src/fbterm.cpp
@@ -0,0 +1,302 @@
+/*
+ *   Copyright © 2008-2010 dragchan <zgchan317@gmail.com>
+ *   This file is part of FbTerm.
+ *
+ *   This program is free software; you can redistribute it and/or
+ *   modify it under the terms of the GNU General Public License
+ *   as published by the Free Software Foundation; either version 2
+ *   of the License, or (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include <unistd.h>
+#include <stdio.h>
+#include <signal.h>
+#include <sys/ioctl.h>
+#include <sys/stat.h>
+#include <sys/wait.h>
+#include <linux/vt.h>
+#include <linux/kdev_t.h>
+#include "config.h"
+#include "fbterm.h"
+#include "fbshell.h"
+#include "fbshellman.h"
+#include "fbconfig.h"
+#include "fbio.h"
+#include "screen.h"
+#include "input.h"
+#include "input_key.h"
+#include "mouse.h"
+
+#ifdef HAVE_SIGNALFD
+// <sys/signalfd.h> offered by some systems has bug with g++
+#include "signalfd.h"
+
+static sigset_t oldSigmask;
+
+class SignalIo : public IoPipe {
+public:
+	SignalIo(sigset_t &sigmask);
+
+private:
+	virtual void readyRead(s8 *buf, u32 len);
+};
+
+SignalIo::SignalIo(sigset_t &sigmask)
+{
+	int fd = signalfd(-1, &sigmask, 0);
+	setFd(fd);
+}
+
+void SignalIo::readyRead(s8 *buf, u32 len)
+{
+	signalfd_siginfo *si = (signalfd_siginfo*)buf;
+	for (len /= sizeof(*si); len--; si++) {
+		FbTerm::instance()->processSignal(si->ssi_signo);
+	}
+}
+#else
+
+static volatile sig_atomic_t pendsigs = 0;
+
+static void signalHandler(s32 signo)
+{
+	pendsigs |= 1 << signo;
+}
+
+static void pollSignal()
+{
+	if (!pendsigs) return;
+
+	sig_atomic_t sigs = pendsigs;
+	pendsigs = 0;
+
+	for (u32 i = 0; i < sizeof(sigs); i++) {
+		u8 sig8 = (sigs >> (i * 8)) & 0xff;
+		if (!sig8) continue;
+
+		for (u32 j = 0; j < 8; j++) {
+			if (sig8 & (1 << j)) {
+				FbTerm::instance()->processSignal(i * 8 + j);
+			}
+		}
+	}
+}
+#endif
+
+DEFINE_INSTANCE_DEFAULT(FbTerm)
+
+FbTerm::FbTerm()
+{
+	mInit = false;
+	init();
+}
+
+FbTerm::~FbTerm()
+{
+	IoDispatcher::uninstance();
+	FbShellManager::uninstance();
+	Screen::uninstance();
+}
+
+void FbTerm::init()
+{
+	if (!TtyInput::instance() || !Screen::instance()) return;
+
+	struct vt_mode vtm;
+	vtm.mode = VT_PROCESS;
+	vtm.waitv = 0;
+	vtm.relsig = SIGUSR1;
+	vtm.acqsig = SIGUSR2;
+	vtm.frsig = 0;
+	ioctl(STDIN_FILENO, VT_SETMODE, &vtm);
+
+#ifdef HAVE_SIGNALFD
+	sigset_t sigmask;
+	sigemptyset(&sigmask);
+
+	sigaddset(&sigmask, SIGCHLD);
+	sigaddset(&sigmask, SIGUSR1);
+	sigaddset(&sigmask, SIGUSR2);
+	sigaddset(&sigmask, SIGALRM);
+	sigaddset(&sigmask, SIGTERM);
+	sigaddset(&sigmask, SIGHUP);
+
+	sigprocmask(SIG_BLOCK, &sigmask, &oldSigmask);
+	new SignalIo(sigmask);
+#else
+	sighandler_t sh = signalHandler;
+
+	signal(SIGCHLD, sh);
+	signal(SIGUSR1, sh);
+	signal(SIGUSR2, sh);
+	signal(SIGALRM, sh);
+	signal(SIGTERM, sh);
+	signal(SIGHUP, sh);
+#endif
+	signal(SIGPIPE, SIG_IGN);
+
+	Mouse::instance();
+	mInit = true;
+}
+
+static bool isActiveTerm()
+{
+	struct vt_stat vtstat;
+	ioctl(STDIN_FILENO, VT_GETSTATE, &vtstat);
+
+	struct stat ttystat;
+	fstat(STDIN_FILENO, &ttystat);
+
+	return vtstat.v_active == MINOR(ttystat.st_rdev);
+}
+
+void FbTerm::run()
+{
+	if (!mInit) return;
+
+	if (isActiveTerm()) processSignal(SIGUSR2);
+
+	FbShellManager::instance()->createShell();
+
+	mRun = true;
+	FbIoDispatcher *io = (FbIoDispatcher*)IoDispatcher::instance();
+	while (mRun) {
+		io->poll();
+#ifndef HAVE_SIGNALFD
+		pollSignal();
+#endif
+	}
+
+	if (isActiveTerm()) processSignal(SIGUSR1);
+}
+
+void FbTerm::processSignal(u32 signo)
+{
+	switch (signo) {
+	case SIGTERM:
+	case SIGHUP:
+		exit();
+		break;
+
+	case SIGALRM:
+		FbShellManager::instance()->drawCursor();
+		break;
+
+	case SIGUSR1:
+		FbShellManager::instance()->switchVc(false);
+		Screen::instance()->switchVc(false);
+		TtyInput::instance()->switchVc(false);
+		Mouse::instance()->switchVc(false);
+		ioctl(STDIN_FILENO, VT_RELDISP, 1);
+		break;
+
+	case SIGUSR2:
+		Mouse::instance()->switchVc(true);
+		TtyInput::instance()->switchVc(true);
+		Screen::instance()->switchVc(true);
+		FbShellManager::instance()->switchVc(true);
+		break;
+
+	case SIGCHLD:
+		if (mRun) {
+			s32 pid = waitpid(WAIT_ANY, 0, WNOHANG);
+			if (pid > 0) {
+				FbShellManager::instance()->childProcessExited(pid);
+			}
+		}
+		break;
+
+	default:
+		break;
+	}
+}
+
+void FbTerm::processSysKey(u32 key)
+{
+	FbShellManager *manager = FbShellManager::instance();
+
+	switch (key) {
+	case CTRL_ALT_E:
+		exit();
+		break;
+
+	case SHIFT_PAGEDOWN:
+	case SHIFT_PAGEUP:
+		manager->historyScroll(key == SHIFT_PAGEDOWN);
+		break;
+
+	case CTRL_ALT_C:
+		manager->createShell();
+		break;
+
+	case CTRL_ALT_D:
+		manager->deleteShell();
+		break;
+
+	case CTRL_ALT_1 ... CTRL_ALT_0:
+		manager->switchShell(key - CTRL_ALT_1);
+		break;
+
+	case SHIFT_LEFT:
+		manager->prevShell();
+		break;
+
+	case SHIFT_RIGHT:
+		manager->nextShell();
+		break;
+
+	case CTRL_ALT_F1 ... CTRL_ALT_F6:
+		if (manager->activeShell()) {
+			manager->activeShell()->switchCodec(key - CTRL_ALT_F1);
+		}
+		break;
+
+	case CTRL_SPACE:
+		if (manager->activeShell()) {
+			manager->activeShell()->toggleIm();
+		}
+		break;
+
+	case CTRL_ALT_K:
+		if (manager->activeShell()) {
+			manager->activeShell()->killIm();
+		}
+
+	default:
+		break;
+	}
+}
+
+void FbTerm::initChildProcess()
+{
+	setuid(getuid());
+
+#ifdef HAVE_SIGNALFD
+	sigprocmask(SIG_SETMASK, &oldSigmask, 0);
+#endif
+
+	signal(SIGPIPE, SIG_DFL);
+}
+
+int main(int argc, char **argv)
+{
+	seteuid(getuid());
+
+	if (Config::instance()->parseArgs(argc, argv)) {
+		FbTerm::instance()->run();
+		FbTerm::uninstance();
+	}
+
+	Config::uninstance();
+	return 0;
+}
diff --git a/src/fbterm.h b/src/fbterm.h
new file mode 100644
index 0000000..c9dfcda
--- /dev/null
+++ b/src/fbterm.h
@@ -0,0 +1,44 @@
+/*
+ *   Copyright © 2008-2010 dragchan <zgchan317@gmail.com>
+ *   This file is part of FbTerm.
+ *
+ *   This program is free software; you can redistribute it and/or
+ *   modify it under the terms of the GNU General Public License
+ *   as published by the Free Software Foundation; either version 2
+ *   of the License, or (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#ifndef FBTERM_H
+#define FBTERM_H
+
+#include "type.h"
+#include "instance.h"
+
+class FbTerm {
+	DECLARE_INSTANCE(FbTerm)
+public:
+	void run();
+	void exit() {
+		mRun = false;
+	}
+	void processSysKey(u32 key);
+	void processSignal(u32 signo);
+	void initChildProcess();
+
+private:
+	void init();
+
+	bool mInit, mRun;
+};
+
+#endif
diff --git a/src/font.cpp b/src/font.cpp
new file mode 100644
index 0000000..14b922f
--- /dev/null
+++ b/src/font.cpp
@@ -0,0 +1,329 @@
+/*
+ *   Copyright © 2008-2010 dragchan <zgchan317@gmail.com>
+ *   This file is part of FbTerm.
+ *
+ *   This program is free software; you can redistribute it and/or
+ *   modify it under the terms of the GNU General Public License
+ *   as published by the Free Software Foundation; either version 2
+ *   of the License, or (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include <fontconfig/fontconfig.h>
+#include <ft2build.h>
+#include FT_GLYPH_H
+#include "font.h"
+#include "screen.h"
+#include "fbconfig.h"
+
+#define OFFSET(TYPE, MEMBER) ((size_t)(&(((TYPE *)0)->MEMBER)))
+#define SUBS(a, b) ((a) > (b) ? (a) - (b) : (b) - (a))
+#define MIN(a, b) ((a) < (b) ? (a) : (b))
+
+static FcCharSet *unicodeMap;
+static FcFontSet *fontList;
+ 
+static FT_Library ftlib;
+static FT_Face *fontFaces;
+static u32 *fontFlags;
+
+static Font::Glyph **glyphCache;
+static bool *glyphCacheInited;
+
+static void openFont(u32 index);
+
+DEFINE_INSTANCE(Font)
+
+Font *Font::createInstance()
+{
+	FcInit();
+
+	s8 buf[64];
+	Config::instance()->getOption("font-names", buf, sizeof(buf));
+
+	FcPattern *pat = FcNameParse((FcChar8 *)(*buf ? buf : "mono"));
+
+	u32 pixel_size = 12;
+	Config::instance()->getOption("font-size", pixel_size);
+	FcPatternAddDouble(pat, FC_PIXEL_SIZE, (double)pixel_size);
+
+	FcPatternAddString(pat, FC_LANG, (FcChar8 *)"en");
+
+	FcConfigSubstitute(NULL, pat, FcMatchPattern);
+	FcDefaultSubstitute(pat);
+
+	FcResult result;
+	FcFontSet *fs = FcFontSort(NULL, pat, FcTrue, &unicodeMap, &result);
+
+	if (fs) {
+		fontList = FcFontSetCreate();
+
+		FcObjectSet *family = FcObjectSetCreate();
+		FcObjectSetAdd(family, FC_FAMILY);
+
+		for (u32 i = 0; i < fs->nfont; i++) {
+			FcPattern *font = FcFontRenderPrepare(NULL, pat, fs->fonts[i]);
+			if (!font) continue;
+
+			bool same = false;
+			for (u32 j = 0; j < fontList->nfont; j++) {
+				if (FcPatternEqualSubset(fontList->fonts[j], font, family)) {
+					same = true;
+					break;
+				}
+			}
+
+			if (same) {
+				FcPatternDestroy(font);
+			} else {
+				FcFontSetAdd(fontList, font);
+			}
+		}
+
+		FcObjectSetDestroy(family);
+	}
+
+	FcPatternDestroy(pat);
+	if (fs) FcFontSetDestroy(fs);
+
+	if (fontList && fontList->nfont) return new Font();
+
+	if (unicodeMap) FcCharSetDestroy(unicodeMap);
+	if (fontList) FcFontSetDestroy(fontList);
+	FcFini();
+	return 0;
+}
+
+Font::Font()
+{
+	mHeight = mWidth = 0;
+
+	fontFaces = new FT_Face[fontList->nfont];
+	fontFlags = new u32[fontList->nfont];
+	memset(fontFaces, 0, sizeof(FT_Face) * fontList->nfont);
+
+	glyphCache = new Glyph *[256 * 256];
+	glyphCacheInited = new bool[256];
+	memset(glyphCacheInited, 0, sizeof(bool) * 256);
+
+	FT_Init_FreeType(&ftlib);
+	openFont(0);
+
+	FT_Face face = fontFaces[0];
+	if (face == (FT_Face)-1) return;
+
+	if (face->face_flags & FT_FACE_FLAG_SCALABLE) {
+		mHeight = face->size->metrics.height >> 6;
+		mWidth = face->size->metrics.max_advance >> 6;
+	} else if (face->num_fixed_sizes) {
+		double dsize;
+		FcPatternGetDouble(fontList->fonts[0], FC_PIXEL_SIZE, 0, &dsize);
+
+		FT_Bitmap_Size *sizes = face->available_sizes;
+		u32 index = 0, diffmin = (u32)-1;
+		for (u32 i = 0; i < face->num_fixed_sizes; i++) {
+			u32 diff = SUBS(sizes[i].size >> 6, (u32)dsize);
+			if (diff < diffmin ) {
+				index = i;
+				diffmin = diff;
+			}
+		}
+
+		mHeight = sizes[index].height;
+		mWidth = sizes[index].width;
+	}
+
+	if (!(face->face_flags & FT_FACE_FLAG_FIXED_WIDTH)) mWidth = MIN(mWidth, (mHeight + 1) / 2);
+
+	u32 width = 0;
+	Config::instance()->getOption("font-width", width);
+
+	if (width) {
+		s8 buf[64];
+		Config::instance()->getOption("font-width", buf, sizeof(buf));
+
+		if (buf[0] == '+' || buf[0] == '-') mWidth += (s32)width;
+		else mWidth = width;
+	}
+
+	u32 height = 0;
+	Config::instance()->getOption("font-height", height);
+
+	if (height) {
+		s8 buf[64];
+		Config::instance()->getOption("font-height", buf, sizeof(buf));
+
+		if (buf[0] == '+' || buf[0] == '-') mHeight += (s32)height;
+		else mHeight = height;
+	}
+}
+
+Font::~Font()
+{
+	for (u32 i = 0; i < 256; i++) {
+		if (!glyphCacheInited[i]) continue;
+
+		for (u32 j = 0; j < 256; j++) {
+			if (glyphCache[i * 256 + j]) {
+				delete[] (u8 *)glyphCache[i * 256 + j];
+			}
+		}
+	}
+
+	delete[] glyphCache;
+	delete[] glyphCacheInited;
+
+	for (u32 i = 0; i < fontList->nfont; i++) {
+		if (fontFaces[i] && fontFaces[i] != (FT_Face)-1) {
+			FT_Done_Face(fontFaces[i]);
+		}
+	}
+
+	delete[] fontFaces;
+	delete[] fontFlags;
+
+	FT_Done_FreeType(ftlib);
+	FcCharSetDestroy(unicodeMap);
+	FcFontSetDestroy(fontList);
+	FcFini();
+}
+
+void Font::showInfo(bool verbose)
+{
+	if (!verbose) return;
+
+	printf("[font] width: %dpx, height: %dpx, ordered list: ", mWidth, mHeight);
+
+	u32 index;
+	FcChar8 *family;
+	for (index = 0; index < fontList->nfont - 1; index++) {
+		FcPatternGetString(fontList->fonts[index], FC_FAMILY, 0, &family);
+		printf("%s, ", family);
+	}
+
+	FcPatternGetString(fontList->fonts[index], FC_FAMILY, 0, &family);
+	printf("%s\n", family);
+}
+
+static void openFont(u32 index)
+{
+	if (index >= fontList->nfont) return;
+
+	FcPattern *pattern = fontList->fonts[index];
+
+	FcChar8 *name = (FcChar8 *)"";
+	FcPatternGetString(pattern, FC_FILE, 0, &name);
+
+	int id = 0;
+	FcPatternGetInteger (pattern, FC_INDEX, 0, &id);
+
+	FT_Face face;
+	if (FT_New_Face(ftlib, (const char *)name, id, &face)) {
+		fontFaces[index] = (FT_Face)-1;
+		return;
+	}
+
+	double ysize;
+	FcPatternGetDouble(pattern, FC_PIXEL_SIZE, 0, &ysize);
+	FT_Set_Pixel_Sizes(face, 0, (FT_UInt)ysize);
+
+	int load_flags = FT_LOAD_DEFAULT;
+
+	FcBool scalable, antialias;
+	FcPatternGetBool(pattern, FC_SCALABLE, 0, &scalable);
+	FcPatternGetBool(pattern, FC_ANTIALIAS, 0, &antialias);
+
+	if (scalable && antialias) load_flags |= FT_LOAD_NO_BITMAP;
+
+	if (antialias) {
+		FcBool hinting;
+		int hint_style;
+		FcPatternGetBool(pattern, FC_HINTING, 0, &hinting);
+		FcPatternGetInteger(pattern, FC_HINT_STYLE, 0, &hint_style);
+
+		if (!hinting || hint_style == FC_HINT_NONE) {
+			load_flags |= FT_LOAD_NO_HINTING;
+		} else {
+			load_flags |= FT_LOAD_TARGET_LIGHT;
+		}
+	} else {
+		load_flags |= FT_LOAD_TARGET_MONO;
+	}
+
+	fontFaces[index] = face;
+	fontFlags[index] = load_flags;
+}
+
+static int fontIndex(u32 unicode)
+{
+	if (!FcCharSetHasChar(unicodeMap, unicode)) return -1;
+
+	FcCharSet *charset;
+	for (u32 i = 0; i < fontList->nfont; i++) {
+		FcPatternGetCharSet(fontList->fonts[i], FC_CHARSET, 0, &charset);
+		if (FcCharSetHasChar(charset, unicode)) return i;
+	}
+
+	return -1;
+}
+
+Font::Glyph *Font::getGlyph(u32 unicode)
+{
+	if (unicode >= 256 * 256) return 0;
+
+	if (!glyphCacheInited[unicode >> 8]) {
+		glyphCacheInited[unicode >> 8] = true;
+		memset(&glyphCache[unicode & 0xff00], 0, sizeof(Glyph *) * 256);
+	}
+
+	if (glyphCache[unicode]) return glyphCache[unicode];
+
+	int i = fontIndex(unicode);
+	if (i == -1) return 0;
+
+	if (!fontFaces[i]) openFont(i);
+	if (fontFaces[i] == (FT_Face)-1) return 0;
+
+	FT_Face face = fontFaces[i];
+	FT_UInt index = FT_Get_Char_Index(face, (FT_ULong)unicode);
+	if (!index) return 0;
+
+	FT_Load_Glyph(face, index, FT_LOAD_RENDER | fontFlags[i]);
+	FT_Bitmap &bitmap = face->glyph->bitmap;
+
+	u32 x, y, w, h, nx, ny, nw, nh;
+	x = y = 0;
+	w = nw = bitmap.width;
+	h = nh = bitmap.rows;
+	Screen::instance()->rotateRect(x, y, nw, nh);
+
+	Glyph *glyph = (Glyph *)new u8[OFFSET(Glyph, pixmap) + nw * nh];
+	glyph->left = face->glyph->metrics.horiBearingX >> 6;
+	glyph->top = mHeight - 1 + (face->size->metrics.descender >> 6) - (face->glyph->metrics.horiBearingY >> 6);
+	glyph->width = face->glyph->metrics.width >> 6;
+	glyph->height = face->glyph->metrics.height >> 6;
+	glyph->pitch = nw;
+
+	u8 *buf = bitmap.buffer;
+	for (y = 0; y < h; y++, buf += bitmap.pitch) {
+		for (x = 0; x < w; x++) {
+			nx = x, ny = y;
+			Screen::instance()->rotatePoint(w, h, nx, ny);
+
+			glyph->pixmap[ny * nw + nx] =
+				(bitmap.pixel_mode == FT_PIXEL_MODE_MONO) ? ((buf[(x >> 3)] & (0x80 >> (x & 7))) ? 0xff : 0) : buf[x];
+		}
+	}
+
+	glyphCache[unicode] = glyph;
+	return glyph;
+}
diff --git a/src/font.h b/src/font.h
new file mode 100644
index 0000000..5158987
--- /dev/null
+++ b/src/font.h
@@ -0,0 +1,52 @@
+/*
+ *   Copyright © 2008-2010 dragchan <zgchan317@gmail.com>
+ *   This file is part of FbTerm.
+ *
+ *   This program is free software; you can redistribute it and/or
+ *   modify it under the terms of the GNU General Public License
+ *   as published by the Free Software Foundation; either version 2
+ *   of the License, or (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#ifndef FONT_H
+#define FONT_H
+
+#include "type.h"
+#include "instance.h"
+
+#define FW(cols) (Font::instance()->width() * (cols))
+#define FH(rows) (Font::instance()->height() * (rows))
+
+class Font {
+	DECLARE_INSTANCE(Font)
+public:
+	struct Glyph {
+		s16 pitch, width, height;
+		s16 left, top;
+		u8 pixmap[0];
+	};
+
+	Glyph *getGlyph(u32 unicode);
+	u32 width() {
+		return mWidth;
+	}
+	u32 height() {
+		return mHeight;
+	}
+	void showInfo(bool verbose);
+
+private:
+	u32 mWidth, mHeight;
+};
+
+#endif
diff --git a/src/immessage.h b/src/immessage.h
new file mode 100644
index 0000000..fd6cbd1
--- /dev/null
+++ b/src/immessage.h
@@ -0,0 +1,202 @@
+/*
+ *   Copyright ? 2008-2010 dragchan <zgchan317@gmail.com>
+ *   This file is part of FbTerm.
+ *
+ *   This program is free software; you can redistribute it and/or
+ *   modify it under the terms of the GNU General Public License
+ *   as published by the Free Software Foundation; either version 2
+ *   of the License, or (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+/**
+ *
+FbTerm implements a lightweight client-server input method architecture. Instead of processing user input and
+drawing input method UI itself, FbTerm acts as a client and requests the input method server to do all these works.
+
+
+Input Method Messages
+
+On startup, FbTerm forks a child process and executes the input method server program in it. FbTerm and the input
+method server will communicate each other with a unix socket pair created by FbTerm. When IM server startup, it sends
+a Connect message to FbTerm, indicates that the server has got ready. FbTerm response a FbTermInfo message, tell
+IM server things like current screen size, font size, rotation etc, help IM server draw it's UI. Of course,
+IM server may ignore these hints.
+
+When FbTerm exit, it sends a Disconnect to IM server, indicates it to exit.
+
+ +------+           +------+            +------+           +------+
+ |FbTerm|           |  IM  |            |FbTerm|           |  IM  |
+ +--.---+           +---.--+            +--.---+           +---.--+
+    |                   |                  |                   |
+    |                   |<init>      <exit>|                   |
+    |     Connect       |                  |    Disconnect     |
+    |<------------------|                  |------------------>|
+    |                   |                  |                   |
+    |    FbTermInfo     |                  |                   |<exit>
+    |------------------>|                  |                   |
+    |                   |                  |                   |
+    |                   |                  |                   |
+
+
+If user presses the input method state switch shortcut (e.g. Ctrl + Space), FbTerm sends a Active message to
+IM server, and a CursorPosition message with current cursor position. After receiving the Active message,
+IM server may want to draw it's UI, e.g. a IM status bar, on frame buffer screen. In order to avoid FbTerm corrupting
+it's UI, IM server first sends a SetWin message, tell FbTerm the screen areas occupied by its status bar, and waits FbTerm
+to response a AckWin message. Now IM server can begin to draw the status bar.
+
+While user pressing Ctrl + Space again, FbTerm sends a Deactive message to IM server. IM server should response a
+SetWin message with a empty screen area to hide its status bar and ask FbTerm to redraw screen.
+
+ +------+           +------+            +------+           +------+
+ |FbTerm|           |  IM  |            |FbTerm|           |  IM  |
+ +--.---+           +---.--+            +--.---+           +---.--+
+    |                   |                  |                   |
+    |                   |                  |                   |
+    |      Active       |                  |     Deactive      |
+    |------------------>|                  |------------------>|
+    |                   |                  |                   |
+    |  CursorPosition   |                  |      SetWin       |
+    |------------------>|                  |<------------------|
+    |                   |                  |                   |
+    |      SetWin       |                  |      AckWin       |
+    |<------------------|                  |------------------>|
+    |                   |                  |                   |
+    |      AckWin       |                  |                   |
+    |------------------>|                  |                   |
+    |                   |<draw UI>         |                   |
+    |                   |                  |                   |
+
+
+When IM state is on, FbTerm doesn't process any keyboard input except its shortcuts and Alt-Fn, it redirects them
+to IM server with SendKey messages. After receiving SendKey message, IM server may draw it's preedit and candidate UI.
+As described above, it should first send SetWin messages to tell FbTerm the areas occupied by preedit and candidate UI
+and wait for responsed AckWin messages before drawing UI.
+
+IM server sends the converted texts in a PutText message back to FbTerm, and FbTerm will write them to the running
+program. In the common case, the running program will change cursor position, FbTerm notifies it to IM server with a
+CursorPosition message. If IM server provides a XIM "over the spot" style UI, it may response SetWin messages to move
+and redraw it's UI.
+
+ +------+           +------+            +------+           +------+
+ |FbTerm|           |  IM  |            |FbTerm|           |  IM  |
+ +--.---+           +---.--+            +--.---+           +---.--+
+    |                   |                  |                   |
+    |                   |                  |                   |
+    |      SendKey      |                  |      PutText      |
+    |------------------>|                  |<------------------|
+    |                   |                  |                   |
+    |      SetWin       |                  |  CursorPosition   |
+    |<------------------|                  |------------------>|
+    |                   |                  |                   |
+    |      AckWin       |                  |      SetWin       |
+    |------------------>|                  |<------------------|
+    |                   |                  |                   |
+    |                   |<draw UI>         |      AckWin       |
+    |                   |                  |------------------>|
+    |                   |                  |                   |
+    |                   |                  |                   |<draw UI>
+
+
+When IM state is on, user presses shortcuts for switching to other sub-window or Alt-Fn for other virtual console, FbTerm
+sends a HideUI message to IM server, then waits for a AckHideUI message responsed from IM server before switching. Maybe
+IM server is busy with the previous SendKey message when HideUI message is arrived, it continues it's work, then processes
+this HideUI message, sends back a AckHideUI message to FbTerm.
+
+When switching back, FbTerm sends a ShowUI message to IM server, indicates IM server to redraw it's UI.
+
+ +------+           +------+            +------+           +------+
+ |FbTerm|           |  IM  |            |FbTerm|           |  IM  |
+ +--.---+           +---.--+            +--.---+           +---.--+
+    |                   |                  |                   |
+    |                   |                  |                   |
+    |       HideUI      |                  |      ShowUI       |
+    |------------------>|                  |------------------>|
+    |                   |                  |                   |
+    |     AckHideUI     |                  |      SetWin       |
+    |<------------------|                  |<------------------|
+    |                   |                  |                   |
+    |<do switching>     |                  |      AckWin       |
+    |                   |                  |------------------>|
+    |                   |                  |                   |
+    |                   |                  |                   |<draw UI>
+    |                   |                  |                   |
+    |                   |                  |                   |
+    |                   |                  |                   |
+ */
+
+#ifndef IM_MESSAGE_H
+#define IM_MESSAGE_H
+
+typedef enum {
+	Connect = 0, Disconnect,
+	Active, Deactive,
+	SendKey, PutText,
+	SetWin, AckWin,
+	CursorPosition, FbTermInfo, TermMode,
+	ShowUI, HideUI, AckHideUI,
+	FillRect, DrawText,
+	Ping, AckPing
+} MessageType;
+
+typedef struct {
+	unsigned fontHeight, fontWidth;
+	unsigned screenHeight, screenWidth;
+} Info;
+
+#define NR_IM_WINS 10
+
+typedef struct {
+	unsigned x, y;
+	unsigned w, h;
+} Rectangle;
+
+typedef struct {
+	unsigned short type;  ///< message's type, @see MessageType
+	unsigned short len;  ///< message's length, including head and body
+
+	union {
+		char keys[0]; ///< included in message SendKey
+		char texts[0]; ///< included in message PutText
+		char raw; ///< included in message Connect
+		unsigned winid; ///< included in message ShowUI
+		Info info; ///< included in message FbTermInfo
+
+		struct {
+			Rectangle rect;
+			unsigned winid;
+		} win; ///< included in message SetWin
+
+		struct {
+			char crWithLf;
+			char applicKeypad;
+			char cursorEscO;
+		} term; ///< included in message TermMode;
+
+		struct {
+			unsigned x, y;
+		} cursor; ///< included in message CursorPosition
+
+		struct {
+			Rectangle rect;
+			unsigned char color;
+		} fillRect; ///< included in message FillRect
+
+		struct {
+			unsigned x, y;
+			unsigned char fc, bc;
+			char texts[0];
+		} drawText; ///< included in message DrawText
+	};
+} Message;
+
+#endif
diff --git a/src/improxy.cpp b/src/improxy.cpp
new file mode 100644
index 0000000..3d03e66
--- /dev/null
+++ b/src/improxy.cpp
@@ -0,0 +1,455 @@
+/*
+ *   Copyright © 2008-2010 dragchan <zgchan317@gmail.com>
+ *   This file is part of FbTerm.
+ *
+ *   This program is free software; you can redistribute it and/or
+ *   modify it under the terms of the GNU General Public License
+ *   as published by the Free Software Foundation; either version 2
+ *   of the License, or (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <sys/socket.h>
+#include "improxy.h"
+#include "immessage.h"
+#include "fbconfig.h"
+#include "fbshell.h"
+#include "fbshellman.h"
+#include "font.h"
+#include "screen.h"
+#include "input.h"
+#include "fbterm.h"
+#include <time.h>
+
+#define NR_WIN_MSGS 512
+#define MSG_DRAWTEXT_MAX_LEN 10240
+
+#define sw FW(Screen::instance()->cols())
+#define sh FH(Screen::instance()->rows())
+
+#define OFFSET(TYPE, MEMBER) ((size_t)(&(((TYPE *)0)->MEMBER)))
+#define MSG(a) ((Message *)(a))
+
+ImProxy::ImProxy(FbShell *shell)
+{
+	mShell = shell;
+	mPid = -1;
+	mConnected = false;
+	mActive = false;
+	mMsgWaitState = NoMessageToWait;
+
+	mValidWinNum = 0;
+	memset(&mWins, 0, sizeof(mWins));
+
+	createImProcess();
+}
+
+ImProxy::~ImProxy()
+{
+	mShell->ImExited();
+	if (!mConnected) return;
+
+	if (FbShellManager::instance()->activeShell() == mShell) {
+		TtyInput::instance()->setRawMode(false);
+	}
+
+	sendDisconnect();
+	setFd(-1);
+
+	extern void waitChildProcessExit(s32 pid);
+	waitChildProcessExit(mPid);
+
+	Rectangle rect = { 0, 0, 0, 0 };
+	for (u32 i = 0; i < NR_IM_WINS; i++) {
+		if (mWins[i].w) setImWin(i, rect);
+	}
+}
+
+void ImProxy::createImProcess()
+{
+	s8 app[128];
+	Config::instance()->getOption("input-method", app, sizeof(app));
+	if (!app[0]) return;
+
+	int fds[2];
+	if (socketpair(AF_LOCAL, SOCK_STREAM, 0, fds) == -1) return;
+
+	mPid = fork();
+
+	switch (mPid) {
+	case -1:
+		close(fds[0]);
+		close(fds[1]);
+		break;
+
+	case 0: {
+		FbTerm::instance()->initChildProcess();
+		close(fds[0]);
+
+		s8 buf[16];
+		snprintf(buf, sizeof(buf), "%d", fds[1]);
+		setenv("FBTERM_IM_SOCKET", buf, 1);
+
+		execlp(app, app, NULL);
+		fprintf(stderr, "can't execute IM program %s!\n", app);
+		exit(1);
+		break;
+	}
+
+	default:
+		close(fds[1]);
+		setFd(fds[0]);
+		waitImMessage(Connect);
+		break;
+	}
+}
+
+bool ImProxy::actived()
+{
+	return mActive;
+}
+
+void ImProxy::toggleActive()
+{
+	if (!mConnected) return;
+
+	mActive ^= true;
+	TtyInput::instance()->setRawMode(mRawInput && mActive);
+
+	Message msg;
+	msg.type = (mActive ? Active : Deactive);
+	msg.len = sizeof(msg);
+	write((s8 *)&msg, sizeof(msg));
+}
+
+void ImProxy::changeCursorPos(u16 col, u16 row)
+{
+	if (!mConnected || !mActive) return;
+
+	Message msg;
+	msg.type = CursorPosition;
+	msg.len = sizeof(msg);
+	msg.cursor.x = FW(col);
+	msg.cursor.y = FH(row + 1);
+
+	write((s8 *)&msg, sizeof(msg));
+}
+
+void ImProxy::changeTermMode(bool crlf, bool appkey, bool curo)
+{
+	if (!mConnected || !mActive) return;
+
+	Message msg;
+	msg.type = TermMode;
+	msg.len = sizeof(msg);
+	msg.term.crWithLf = crlf;
+	msg.term.applicKeypad = appkey;
+	msg.term.cursorEscO = curo;
+
+	write((s8 *)&msg, sizeof(msg));
+}
+
+void ImProxy::switchVt(bool enter, ImProxy *peer)
+{
+	if (!mConnected || !mActive) return;
+
+	TtyInput::instance()->setRawMode(enter && mRawInput);
+
+	Message msg;
+	msg.type = (enter ? ShowUI : HideUI);
+	msg.len = sizeof(msg);
+	if (enter) msg.winid = (unsigned)-1;
+
+	write((s8 *)&msg, sizeof(msg));
+
+	if (!enter) {
+		waitImMessage(AckHideUI);
+		Screen::instance()->enableScroll(true);
+	}
+}
+
+void ImProxy::sendKey(s8 *keys, u32 len)
+{
+	if (!mConnected || !mActive || !keys || !len) return;
+
+	s8 buf[OFFSET(Message, keys) + len];
+
+	MSG(buf)->type = SendKey;
+	MSG(buf)->len = sizeof(buf);
+	memcpy(MSG(buf)->keys, keys, len);
+
+	write(buf, MSG(buf)->len);
+}
+
+void ImProxy::sendInfo()
+{
+	Message msg;
+	msg.type = FbTermInfo;
+	msg.len = sizeof(msg);
+	msg.info.fontHeight = FH(1);
+	msg.info.fontWidth = FW(1);
+	msg.info.screenHeight = sh;
+	msg.info.screenWidth = sw;
+
+	write((s8 *)&msg, sizeof(msg));
+}
+
+void ImProxy::sendAckWin()
+{
+	Message msg;
+	msg.type = AckWin;
+	msg.len = sizeof(msg);
+	write((s8 *)&msg, sizeof(msg));
+}
+
+void ImProxy::sendAckPing()
+{
+	Message msg;
+	msg.type = AckPing;
+	msg.len = sizeof(msg);
+	write((s8 *)&msg, sizeof(msg));
+}
+
+void ImProxy::sendDisconnect()
+{
+	if (!mConnected) return;
+
+	Message msg;
+	msg.type = Disconnect;
+	msg.len = sizeof(msg);
+	write((s8 *)&msg, sizeof(msg));
+}
+
+void ImProxy::readyRead(s8 *buf, u32 len)
+{
+	for (s8 *end = buf + len; buf < end && MSG(buf)->len && MSG(buf)->len <= (end - buf); buf += MSG(buf)->len) {
+		if (mMsgWaitState == WaitingMessage && mMsgWaitType == MSG(buf)->type) mMsgWaitState = GotMessage;
+		if (!mConnected && MSG(buf)->type != Connect) continue;
+
+		switch (MSG(buf)->type) {
+		case Connect:
+			mConnected = true;
+			mRawInput = MSG(buf)->raw;
+
+			sendInfo();
+			break;
+
+		case PutText:
+			if (MSG(buf)->len > OFFSET(Message, texts)) {
+				mShell->imInput(MSG(buf)->texts, MSG(buf)->len - OFFSET(Message, texts));
+			}
+			break;
+
+		case SetWin:
+			if (MSG(buf)->len == sizeof(Message)) { // keep compatibility with v1.5
+				setImWin(MSG(buf)->win.winid, MSG(buf)->win.rect);
+			}
+			sendAckWin();
+			break;
+
+		case FillRect:
+			if (addWinMsg(MSG(buf)) && FbShellManager::instance()->activeShell() == mShell) {
+				doFillRect(MSG(buf));
+			}
+			break;
+
+		case DrawText:
+			if (addWinMsg(MSG(buf)) && FbShellManager::instance()->activeShell() == mShell) {
+				doDrawText(MSG(buf));
+			}
+			break;
+
+		case Ping:
+			sendAckPing();
+			break;
+
+		default:
+			break;
+		}
+	}
+}
+
+typedef enum { Intersect, Inside, Outside } IntersectState;
+
+static IntersectState intersectRectangles(const Rectangle &r1, const Rectangle &r2)
+{
+	if (!r1.w || !r1.h) return Inside;
+	if (!r2.w || !r2.h) return Outside;
+	if (r1.x >= (r2.x + r2.w) || r1.y >= (r2.y + r2.h) || (r1.x + r1.w) <= r2.x || (r1.y + r1.h) <= r2.y) return Outside;
+	if (r1.x >= r2.x && r1.y >= r2.y && (r1.x + r1.w) <= (r2.x + r2.w) && (r1.y + r1.h) <= (r2.y + r2.h)) return Inside;
+	return Intersect;
+}
+
+void ImProxy::redrawImWin(const Rectangle &rect)
+{
+	for (u32 num = mValidWinNum, i = 0; num && i < NR_IM_WINS; i++) {
+		if (!mWins[i].w || !mWins[i].h) continue;
+		num--;
+
+		IntersectState state = intersectRectangles(rect, mWins[i]);
+		if (state == Outside) continue;
+
+		for (MsgList::iterator it = mWinMsgs[i].begin(); it != mWinMsgs[i].end(); it++) {
+			Message *m = *it;
+
+			if (m->type == FillRect) doFillRect(m);
+			else if (m->type == DrawText) doDrawText(m);
+		}
+	}
+}
+
+void ImProxy::setImWin(u32 id, Rectangle &rect)
+{
+	if (id >= NR_IM_WINS) return;
+
+	if (!rect.w || !rect.h || rect.x >= sw || rect.y >= sh)
+		memset(&rect, 0, sizeof(rect));
+
+	if (rect.x + rect.w >= sw) rect.w = sw - rect.x;
+	if (rect.y + rect.h >= sh) rect.h = sh - rect.y;
+
+	bool active = (FbShellManager::instance()->activeShell() == mShell);
+
+	if (active && intersectRectangles(mWins[id], rect) != Inside) {
+		Rectangle oldrect = mWins[id];
+
+		memset(&mWins[id], 0, sizeof(rect));
+		mValidWinNum--;
+
+		u32 endx = oldrect.x + oldrect.w, endy = oldrect.y + oldrect.h;
+		u16 col = oldrect.x / FW(1);
+		u16 row = oldrect.y / FH(1);
+		u16 endcol = endx / FW(1);
+		u16 endrow = endy / FH(1);
+
+		mShell->expose(col, row, endcol - col + 1, endrow - row + 1);
+	}
+
+	if (!mWins[id].w && rect.w) mValidWinNum++;
+	mWins[id] = rect;
+
+	if (active) {
+		Screen::instance()->enableScroll(!mValidWinNum);
+	}
+
+	for (MsgList::iterator it = mWinMsgs[id].begin(); it != mWinMsgs[id].end(); it++) {
+		delete[] (s8 *)(*it);
+	}
+
+	mWinMsgs[id].clear();
+}
+
+bool ImProxy::addWinMsg(Message *m)
+{
+	Rectangle rect = { 0, 0, 1, 1 };
+	if (m->type == FillRect) rect = m->fillRect.rect;
+	else {
+		if (m->len > MSG_DRAWTEXT_MAX_LEN) return false;
+
+		rect.x = m->drawText.x;
+		rect.y = m->drawText.y;
+	}
+
+	for (u32 num = mValidWinNum, i = 0; num && i < NR_IM_WINS; i++) {
+		if (!mWins[i].w || !mWins[i].h) continue;
+		num--;
+
+		IntersectState state = intersectRectangles(rect, mWins[i]);
+		if (state != Inside) continue;
+
+		if (mWinMsgs[i].size() >= NR_WIN_MSGS) return false;
+
+		s8 *buf = new s8[m->len];
+		memcpy(buf, m, m->len);
+
+		mWinMsgs[i].push_back((Message *)buf);
+		break;
+	}
+
+	return true;
+}
+
+void ImProxy::doFillRect(Message *m)
+{
+	Rectangle &rect = m->fillRect.rect;
+	Screen::instance()->fillRect(rect.x, rect.y, rect.w, rect.h, m->fillRect.color);
+}
+
+static void utf8_to_utf16(u8 *utf8, u16 *utf16, u16 &len)
+{
+	u8 *end = utf8 + len;
+	len = 0;
+
+	for (; utf8 < end;) {
+		if ((*utf8 & 0x80) == 0) {
+			utf16[len++] = *utf8;
+			utf8++;
+		} else if ((*utf8 & 0xe0) == 0xc0) {
+			utf16[len++] = ((*utf8 & 0x1f) << 6) | (utf8[1] & 0x3f);
+			utf8 += 2;
+		} else if ((*utf8 & 0xf0) == 0xe0) {
+			utf16[len++] = ((*utf8 & 0xf) << 12) | ((utf8[1] & 0x3f) << 6) | (utf8[2] & 0x3f);
+			utf8 += 3;
+		} else utf8++;
+	}
+}
+
+void ImProxy::doDrawText(Message *m)
+{
+	if (m->len <= OFFSET(Message, drawText.texts)) return;
+
+	u16 len = m->len - OFFSET(Message, drawText.texts);
+	u8 *utf8 = (u8 *)(m->drawText.texts);
+
+	u16 utf16[len];
+	utf8_to_utf16(utf8, utf16, len);
+
+	if (!len) return;
+
+	bool dws[len];
+	for (u16 i = 0; i < len; i++) {
+		dws[i] = (VTerm::charWidth(utf16[i]) == 2);
+	}
+
+	Screen::instance()->drawText(m->drawText.x, m->drawText.y, m->drawText.fc, m->drawText.bc, len, utf16, dws);
+}
+
+void ImProxy::waitImMessage(u32 type)
+{
+	mMsgWaitState = WaitingMessage;
+	mMsgWaitType = type;
+
+	timeval tv = {2, 0};
+
+	while (1) {
+		fd_set fds;
+		FD_ZERO(&fds);
+		FD_SET(fd(), &fds);
+
+		s32 ret = select(fd() + 1, &fds, 0, 0, &tv);
+
+		if (ret > 0 && FD_ISSET(fd(), &fds)) ready(true);
+		if ((ret == -1 && errno != EINTR) || !ret || mMsgWaitState == GotMessage) break;
+	};
+
+	mMsgWaitState = NoMessageToWait;
+}
+
+void ImProxy::ioError(bool read, s32 err)
+{
+	if (read && mMsgWaitState == WaitingMessage) mMsgWaitState = GotMessage;
+}
diff --git a/src/improxy.h b/src/improxy.h
new file mode 100644
index 0000000..bdc5234
--- /dev/null
+++ b/src/improxy.h
@@ -0,0 +1,73 @@
+/*
+ *   Copyright © 2008-2010 dragchan <zgchan317@gmail.com>
+ *   This file is part of FbTerm.
+ *
+ *   This program is free software; you can redistribute it and/or
+ *   modify it under the terms of the GNU General Public License
+ *   as published by the Free Software Foundation; either version 2
+ *   of the License, or (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#ifndef IM_PROXY_H
+#define IM_PROXY_H
+
+#include <list>
+#include "io.h"
+#include "immessage.h"
+
+class FbShell;
+
+class ImProxy: public IoPipe {
+public:
+	ImProxy(FbShell *shell);
+	~ImProxy();
+
+	s32 imProcessId() { return mPid; }
+	bool actived();
+	void toggleActive();
+	void sendKey(s8 *buf, u32 len);
+	void changeCursorPos(u16 col, u16 row);
+	void changeTermMode(bool crlf, bool appkey, bool curo);
+	void switchVt(bool enter, ImProxy *peer);
+	void redrawImWin(const Rectangle &rect);
+
+private:
+	virtual void readyRead(s8 *buf, u32 len);
+	virtual void ioError(bool read, s32 err);
+
+	void createImProcess();
+	void waitImMessage(u32 type);
+	void sendInfo();
+	void sendAckWin();
+	void sendAckPing();
+	void sendDisconnect();
+	void setImWin(u32 winid, Rectangle &rect);
+	bool addWinMsg(Message *m);
+	void doFillRect(Message *m);
+	void doDrawText(Message *m);
+
+	FbShell *mShell;
+	s32 mPid;
+	bool mConnected;
+	bool mActive;
+	bool mRawInput;
+	enum {NoMessageToWait, WaitingMessage, GotMessage} mMsgWaitState;
+	u32 mMsgWaitType;
+
+	u32 mValidWinNum;
+	typedef std::list<Message *> MsgList;
+	MsgList mWinMsgs[NR_IM_WINS];
+	Rectangle mWins[NR_IM_WINS];
+};
+
+#endif
diff --git a/src/input.cpp b/src/input.cpp
new file mode 100644
index 0000000..f6ab87b
--- /dev/null
+++ b/src/input.cpp
@@ -0,0 +1,312 @@
+/*
+ *   Copyright © 2008-2010 dragchan <zgchan317@gmail.com>
+ *   This file is part of FbTerm.
+ *
+ *   This program is free software; you can redistribute it and/or
+ *   modify it under the terms of the GNU General Public License
+ *   as published by the Free Software Foundation; either version 2
+ *   of the License, or (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include <unistd.h>
+#include <stdio.h>
+#include <string.h>
+#include <termios.h>
+#include <sys/ioctl.h>
+#include <sys/vt.h>
+#include <linux/kd.h>
+#include <linux/input.h>
+#include "input.h"
+#include "input_key.h"
+#include "fbshell.h"
+#include "fbshellman.h"
+#include "fbterm.h"
+#include "improxy.h"
+#include "fbconfig.h"
+
+static termios oldTm;
+static long oldKbMode;
+static bool keymapFailure = false;
+static bool inited = false;
+
+DEFINE_INSTANCE(TtyInput)
+
+TtyInput *TtyInput::createInstance()
+{
+	s8 buf[64];
+	if (ttyname_r(STDIN_FILENO, buf, sizeof(buf))) {
+		fprintf(stderr, "stdin isn't a tty!\n");
+		return 0;
+	}
+
+	if (!strstr(buf, "/dev/tty") && !strstr(buf, "/dev/vc")) {
+		fprintf(stderr, "stdin isn't a interactive tty!\n");
+		return 0;
+	}
+
+	return new TtyInput();
+}
+
+TtyInput::TtyInput()
+{
+	setFd(dup(STDIN_FILENO));
+}
+
+TtyInput::~TtyInput()
+{
+	if (!inited) return;
+
+	setupSysKey(true);
+	ioctl(STDIN_FILENO, KDSKBMODE, oldKbMode);
+	tcsetattr(STDIN_FILENO, TCSAFLUSH, &oldTm);
+}
+
+void TtyInput::showInfo(bool verbose)
+{
+	if (keymapFailure) {
+		printf("[input] can't change kernel keymap table, all shortcuts will NOT work! see SECURITY NOTES section of man page for solution.\n");
+	}
+}
+
+void TtyInput::switchVc(bool enter)
+{
+	setupSysKey(!enter);
+
+	if (!enter || inited) return;
+	inited = true;
+
+	tcgetattr(STDIN_FILENO, &oldTm);
+
+	ioctl(STDIN_FILENO, KDGKBMODE, &oldKbMode);
+	setRawMode(false, true);
+
+	termios tm = oldTm;
+	cfmakeraw(&tm);
+	tm.c_cc[VMIN] = 1;
+	tm.c_cc[VTIME] = 0;
+	tcsetattr(STDIN_FILENO, TCSAFLUSH, &tm);
+}
+
+void TtyInput::setupSysKey(bool restore)
+{
+	#define T_SHIFT (1 << KG_SHIFT)
+	#define T_CTRL (1 << KG_CTRL)
+	#define T_CTRL_ALT ((1 << KG_CTRL) + (1 << KG_ALT))
+
+	static bool syskey_saved = false;
+	static struct KeyEntry {
+		u8 table;
+		u8 keycode;
+		u16 new_val;
+		u16 old_val;
+	} sysKeyTable[] = {
+		{T_SHIFT,    KEY_PAGEUP,   SHIFT_PAGEUP},
+		{T_SHIFT,    KEY_PAGEDOWN, SHIFT_PAGEDOWN},
+		{T_SHIFT,    KEY_LEFT,	   SHIFT_LEFT},
+		{T_SHIFT,    KEY_RIGHT,    SHIFT_RIGHT},
+		{T_CTRL,     KEY_SPACE,    CTRL_SPACE},
+		{T_CTRL_ALT, KEY_1,        CTRL_ALT_1},
+		{T_CTRL_ALT, KEY_2,        CTRL_ALT_2},
+		{T_CTRL_ALT, KEY_3,        CTRL_ALT_3},
+		{T_CTRL_ALT, KEY_4,        CTRL_ALT_4},
+		{T_CTRL_ALT, KEY_5,        CTRL_ALT_5},
+		{T_CTRL_ALT, KEY_6,        CTRL_ALT_6},
+		{T_CTRL_ALT, KEY_7,        CTRL_ALT_7},
+		{T_CTRL_ALT, KEY_8,	       CTRL_ALT_8},
+		{T_CTRL_ALT, KEY_9,        CTRL_ALT_9},
+		{T_CTRL_ALT, KEY_0,        CTRL_ALT_0},
+		{T_CTRL_ALT, KEY_C,        CTRL_ALT_C},
+		{T_CTRL_ALT, KEY_D,        CTRL_ALT_D},
+		{T_CTRL_ALT, KEY_E,        CTRL_ALT_E},
+		{T_CTRL_ALT, KEY_F1,       CTRL_ALT_F1},
+		{T_CTRL_ALT, KEY_F2,       CTRL_ALT_F2},
+		{T_CTRL_ALT, KEY_F3,       CTRL_ALT_F3},
+		{T_CTRL_ALT, KEY_F4,       CTRL_ALT_F4},
+		{T_CTRL_ALT, KEY_F5,       CTRL_ALT_F5},
+		{T_CTRL_ALT, KEY_F6,       CTRL_ALT_F6},
+		{T_CTRL_ALT, KEY_K,       CTRL_ALT_K},
+	};
+
+	if (!syskey_saved && restore) return;
+
+	seteuid(0);
+
+	s8 imapp[128];
+	Config::instance()->getOption("input-method", imapp, sizeof(imapp));
+
+	for (u32 i = 0; i < sizeof(sysKeyTable) / sizeof(KeyEntry); i++) {
+		if (!imapp[0]
+				&& (sysKeyTable[i].new_val == CTRL_SPACE
+					|| sysKeyTable[i].new_val == CTRL_ALT_K)) continue;
+
+		kbentry entry;
+		entry.kb_table = sysKeyTable[i].table;
+		entry.kb_index = sysKeyTable[i].keycode;
+
+		if (!syskey_saved) {
+			ioctl(STDIN_FILENO, KDGKBENT, &entry);
+			sysKeyTable[i].old_val = entry.kb_value;
+		}
+
+		entry.kb_value = (restore ? sysKeyTable[i].old_val : sysKeyTable[i].new_val);
+		s32 ret = ioctl(STDIN_FILENO, KDSKBENT, &entry); //should have perm CAP_SYS_TTY_CONFIG
+		if (!keymapFailure && ret == -1) keymapFailure = true;
+	}
+
+	if (!syskey_saved && !restore) syskey_saved = true;
+
+	seteuid(getuid());
+}
+
+void TtyInput::readyRead(s8 *buf, u32 len)
+{
+	if (mRawMode) {
+		processRawKeys(buf, len);
+		return;
+	}
+
+	FbShell *shell = FbShellManager::instance()->activeShell();
+
+	u32 start = 0;
+	for (u32 i = 0; i < len; i++) {
+		u32 orig = i;
+		u16 c = (u8)buf[i];
+
+		if ((c >> 5) == 0x6 && i < (len - 1) && (((u8)buf[++i]) >> 6) == 0x2) {
+			c = ((c & 0x1f) << 6) | (buf[i] & 0x3f);
+			if (c < AC_START || c > AC_END) continue;
+
+			if (shell && orig > start) shell->keyInput(buf + start, orig - start);
+			start = i + 1;
+
+			FbTerm::instance()->processSysKey(c);
+		}
+	}
+
+	if (shell && len > start) shell->keyInput(buf + start, len - start);
+}
+
+static u16 down_num;
+static bool key_down[NR_KEYS];
+static u8 shift_down[NR_SHIFT];
+static u16 shift_state;
+
+void TtyInput::setRawMode(bool raw, bool force)
+{
+	if (!force && raw == mRawMode) return;
+
+	mRawMode = raw;
+	ioctl(STDIN_FILENO, KDSKBMODE, mRawMode ? K_MEDIUMRAW : K_UNICODE);
+
+	if (mRawMode) {
+		down_num = 0;
+		shift_state = 0;
+		memset(key_down, 0, sizeof(bool) * NR_KEYS);
+		memset(shift_down, 0, sizeof(char) * NR_SHIFT);
+	} else {
+		if (!down_num) return;
+
+		FbShell *shell = FbShellManager::instance()->activeShell();
+		if (!shell) return;
+
+		u32 num = down_num;
+		for (u32 i = 0; i < NR_KEYS; i++) {
+			if (!key_down[i]) continue;
+
+			s8 code = i | 0x80;
+			shell->keyInput(&code, 1);
+
+			if (!--num) break;
+		}
+	}
+}
+
+void TtyInput::processRawKeys(s8 *buf, u32 len)
+{
+	FbShell *shell = FbShellManager::instance()->activeShell();
+	u32 start = 0;
+
+	for (u32 i = 0; i < len; i++) {
+		bool down = !(buf[i] & 0x80);
+		u16 code = buf[i] & 0x7f;
+		u32 orig = i;
+
+		if (!code) {
+			if (i + 2 >= len) break;
+
+			code = (buf[++i] & 0x7f) << 7;
+			code |= buf[++i] & 0x7f;
+			if (!(buf[i] & 0x80) || !(buf[i - 1] & 0x80)) continue;
+		}
+
+		if (code >= NR_KEYS) continue;
+
+		if (down ^ key_down[code]) {
+			if (down) down_num++;
+			else down_num--;
+		} else if (!down) {
+			if (shell && orig > start) shell->keyInput(buf + start, orig - start);
+			start = i + 1;
+		}
+
+		bool rep = (down && key_down[code]);
+		key_down[code] = down;
+
+		struct kbentry ke;
+		ke.kb_table = shift_state;
+		ke.kb_index = code;
+
+		if (ioctl(STDIN_FILENO, KDGKBENT, &ke) == -1) continue;
+
+		u16 value = KVAL(ke.kb_value);
+		u16 syskey = 0, switchvc = 0;
+
+		switch (KTYP(ke.kb_value)) {
+		case KT_LATIN:
+			if (value >= AC_START && value <= AC_END) syskey = value;
+			break;
+
+		case KT_CONS:
+			switchvc = value + 1;
+			break;
+
+		case KT_SHIFT:
+			if (rep || value >= NR_SHIFT) break;
+			if (value == KVAL(K_CAPSSHIFT)) value = KVAL(K_SHIFT);
+
+			if (down) shift_down[value]++;
+			else if (shift_down[value]) shift_down[value]--;
+
+			if (shift_down[value]) shift_state |= (1 << value);
+			else shift_state &= ~(1 << value);
+
+			break;
+
+		default:
+			break;
+		}
+
+		if (down && (syskey || switchvc)) {
+			if (shell && i >= start) shell->keyInput(buf + start, i - start + 1);
+			start = i + 1;
+
+			if (syskey) {
+				FbTerm::instance()->processSysKey(syskey);
+			} else {
+				ioctl(STDIN_FILENO, VT_ACTIVATE, switchvc);
+			}
+		}
+	}
+
+	if (shell && len > start) shell->keyInput(buf + start, len - start);
+}
diff --git a/src/input.h b/src/input.h
new file mode 100644
index 0000000..de47ea6
--- /dev/null
+++ b/src/input.h
@@ -0,0 +1,42 @@
+/*
+ *   Copyright © 2008-2010 dragchan <zgchan317@gmail.com>
+ *   This file is part of FbTerm.
+ *
+ *   This program is free software; you can redistribute it and/or
+ *   modify it under the terms of the GNU General Public License
+ *   as published by the Free Software Foundation; either version 2
+ *   of the License, or (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#ifndef INPUT_H
+#define INPUT_H
+
+#include "io.h"
+#include "instance.h"
+
+class TtyInput : public IoPipe {
+	DECLARE_INSTANCE(TtyInput)
+public:
+	void switchVc(bool enter);
+	void setRawMode(bool raw, bool force = false);
+	void showInfo(bool verbose);
+
+private:
+	virtual void readyRead(s8 *buf, u32 len);
+	void setupSysKey(bool restore);
+	void processRawKeys(s8* buf, u32 len);
+
+	bool mRawMode;
+};
+
+#endif
diff --git a/src/input_key.h b/src/input_key.h
new file mode 100644
index 0000000..5ab5215
--- /dev/null
+++ b/src/input_key.h
@@ -0,0 +1,56 @@
+/*
+ *   Copyright © 2008-2010 dragchan <zgchan317@gmail.com>
+ *   This file is part of FbTerm.
+ *
+ *   This program is free software; you can redistribute it and/or
+ *   modify it under the terms of the GNU General Public License
+ *   as published by the Free Software Foundation; either version 2
+ *   of the License, or (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#ifndef INPUT_KEY_H
+#define INPUT_KEY_H
+
+#include <linux/keyboard.h>
+
+enum Keys {
+	AC_START = K(KT_LATIN, 0x80),
+	SHIFT_PAGEUP = AC_START,
+	SHIFT_PAGEDOWN,
+	SHIFT_LEFT,
+	SHIFT_RIGHT,
+	CTRL_SPACE,
+	CTRL_ALT_1,
+	CTRL_ALT_2,
+	CTRL_ALT_3,
+	CTRL_ALT_4,
+	CTRL_ALT_5,
+	CTRL_ALT_6,
+	CTRL_ALT_7,
+	CTRL_ALT_8,
+	CTRL_ALT_9,
+	CTRL_ALT_0,
+	CTRL_ALT_C,
+	CTRL_ALT_D,
+	CTRL_ALT_E,
+	CTRL_ALT_F1,
+	CTRL_ALT_F2,
+	CTRL_ALT_F3,
+	CTRL_ALT_F4,
+	CTRL_ALT_F5,
+	CTRL_ALT_F6,
+	CTRL_ALT_K,
+	AC_END = CTRL_ALT_K
+};
+
+#endif
diff --git a/src/lib/Makefile.am b/src/lib/Makefile.am
new file mode 100644
index 0000000..935f08f
--- /dev/null
+++ b/src/lib/Makefile.am
@@ -0,0 +1,4 @@
+noinst_LIBRARIES = libshell.a
+
+libshell_a_SOURCES = io.cpp io.h shell.cpp shell.h vterm_action.cpp vterm.cpp vterm_states.cpp vterm.h type.h instance.h wcwidth.cpp charsetmap.cpp
+libshell_a_CXXFLAGS = -fno-exceptions -fno-rtti
diff --git a/src/lib/Makefile.in b/src/lib/Makefile.in
new file mode 100644
index 0000000..2898d0c
--- /dev/null
+++ b/src/lib/Makefile.in
@@ -0,0 +1,540 @@
+# Makefile.in generated by automake 1.11.1 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+# 2003, 2004, 2005, 2006, 2007, 2008, 2009  Free Software Foundation,
+# Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+VPATH = @srcdir@
+pkgdatadir = $(datadir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkglibexecdir = $(libexecdir)/@PACKAGE@
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+install_sh_DATA = $(install_sh) -c -m 644
+install_sh_PROGRAM = $(install_sh) -c
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+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
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+am__aclocal_m4_deps = $(top_srcdir)/configure.ac
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+mkinstalldirs = $(install_sh) -d
+CONFIG_HEADER = $(top_builddir)/config.h
+CONFIG_CLEAN_FILES =
+CONFIG_CLEAN_VPATH_FILES =
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+	libshell_a-shell.$(OBJEXT) libshell_a-vterm_action.$(OBJEXT) \
+	libshell_a-vterm.$(OBJEXT) libshell_a-vterm_states.$(OBJEXT) \
+	libshell_a-wcwidth.$(OBJEXT) libshell_a-charsetmap.$(OBJEXT)
+libshell_a_OBJECTS = $(am_libshell_a_OBJECTS)
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+	-o $@
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+noinst_LIBRARIES = libshell.a
+libshell_a_SOURCES = io.cpp io.h shell.cpp shell.h vterm_action.cpp vterm.cpp vterm_states.cpp vterm.h type.h instance.h wcwidth.cpp charsetmap.cpp
+libshell_a_CXXFLAGS = -fno-exceptions -fno-rtti
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+.SUFFIXES:
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+	  case '$(am__configure_deps)' in \
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+	installcheck-am installdirs maintainer-clean \
+	maintainer-clean-generic mostlyclean mostlyclean-compile \
+	mostlyclean-generic pdf pdf-am ps ps-am tags uninstall \
+	uninstall-am
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/src/lib/charsetmap.cpp b/src/lib/charsetmap.cpp
new file mode 100644
index 0000000..2914088
--- /dev/null
+++ b/src/lib/charsetmap.cpp
@@ -0,0 +1,171 @@
+/*
+ *   Copyright © 2008-2010 dragchan <zgchan317@gmail.com>
+ *   This file is part of FbTerm.
+ *   based on GTerm by Timothy Miller <tim@techsource.com>
+ *
+ *   This program is free software; you can redistribute it and/or
+ *   modify it under the terms of the GNU General Public License
+ *   as published by the Free Software Foundation; either version 2
+ *   of the License, or (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include "vterm.h"
+
+static u16 translations[][256] = {
+  /* 8-bit Latin-1 mapped to Unicode -- trivial mapping */
+  {
+    0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007,
+    0x0008, 0x0009, 0x000a, 0x000b, 0x000c, 0x000d, 0x000e, 0x000f,
+    0x0010, 0x0011, 0x0012, 0x0013, 0x0014, 0x0015, 0x0016, 0x0017,
+    0x0018, 0x0019, 0x001a, 0x001b, 0x001c, 0x001d, 0x001e, 0x001f,
+    0x0020, 0x0021, 0x0022, 0x0023, 0x0024, 0x0025, 0x0026, 0x0027,
+    0x0028, 0x0029, 0x002a, 0x002b, 0x002c, 0x002d, 0x002e, 0x002f,
+    0x0030, 0x0031, 0x0032, 0x0033, 0x0034, 0x0035, 0x0036, 0x0037,
+    0x0038, 0x0039, 0x003a, 0x003b, 0x003c, 0x003d, 0x003e, 0x003f,
+    0x0040, 0x0041, 0x0042, 0x0043, 0x0044, 0x0045, 0x0046, 0x0047,
+    0x0048, 0x0049, 0x004a, 0x004b, 0x004c, 0x004d, 0x004e, 0x004f,
+    0x0050, 0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056, 0x0057,
+    0x0058, 0x0059, 0x005a, 0x005b, 0x005c, 0x005d, 0x005e, 0x005f,
+    0x0060, 0x0061, 0x0062, 0x0063, 0x0064, 0x0065, 0x0066, 0x0067,
+    0x0068, 0x0069, 0x006a, 0x006b, 0x006c, 0x006d, 0x006e, 0x006f,
+    0x0070, 0x0071, 0x0072, 0x0073, 0x0074, 0x0075, 0x0076, 0x0077,
+    0x0078, 0x0079, 0x007a, 0x007b, 0x007c, 0x007d, 0x007e, 0x007f,
+    0x0080, 0x0081, 0x0082, 0x0083, 0x0084, 0x0085, 0x0086, 0x0087,
+    0x0088, 0x0089, 0x008a, 0x008b, 0x008c, 0x008d, 0x008e, 0x008f,
+    0x0090, 0x0091, 0x0092, 0x0093, 0x0094, 0x0095, 0x0096, 0x0097,
+    0x0098, 0x0099, 0x009a, 0x009b, 0x009c, 0x009d, 0x009e, 0x009f,
+    0x00a0, 0x00a1, 0x00a2, 0x00a3, 0x00a4, 0x00a5, 0x00a6, 0x00a7,
+    0x00a8, 0x00a9, 0x00aa, 0x00ab, 0x00ac, 0x00ad, 0x00ae, 0x00af,
+    0x00b0, 0x00b1, 0x00b2, 0x00b3, 0x00b4, 0x00b5, 0x00b6, 0x00b7,
+    0x00b8, 0x00b9, 0x00ba, 0x00bb, 0x00bc, 0x00bd, 0x00be, 0x00bf,
+    0x00c0, 0x00c1, 0x00c2, 0x00c3, 0x00c4, 0x00c5, 0x00c6, 0x00c7,
+    0x00c8, 0x00c9, 0x00ca, 0x00cb, 0x00cc, 0x00cd, 0x00ce, 0x00cf,
+    0x00d0, 0x00d1, 0x00d2, 0x00d3, 0x00d4, 0x00d5, 0x00d6, 0x00d7,
+    0x00d8, 0x00d9, 0x00da, 0x00db, 0x00dc, 0x00dd, 0x00de, 0x00df,
+    0x00e0, 0x00e1, 0x00e2, 0x00e3, 0x00e4, 0x00e5, 0x00e6, 0x00e7,
+    0x00e8, 0x00e9, 0x00ea, 0x00eb, 0x00ec, 0x00ed, 0x00ee, 0x00ef,
+    0x00f0, 0x00f1, 0x00f2, 0x00f3, 0x00f4, 0x00f5, 0x00f6, 0x00f7,
+    0x00f8, 0x00f9, 0x00fa, 0x00fb, 0x00fc, 0x00fd, 0x00fe, 0x00ff
+  },
+  /* VT100 graphics mapped to Unicode */
+  {
+    0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007,
+    0x0008, 0x0009, 0x000a, 0x000b, 0x000c, 0x000d, 0x000e, 0x000f,
+    0x0010, 0x0011, 0x0012, 0x0013, 0x0014, 0x0015, 0x0016, 0x0017,
+    0x0018, 0x0019, 0x001a, 0x001b, 0x001c, 0x001d, 0x001e, 0x001f,
+    0x0020, 0x0021, 0x0022, 0x0023, 0x0024, 0x0025, 0x0026, 0x0027,
+    0x0028, 0x0029, 0x002a, 0x2192, 0x2190, 0x2191, 0x2193, 0x002f,
+    0x2588, 0x0031, 0x0032, 0x0033, 0x0034, 0x0035, 0x0036, 0x0037,
+    0x0038, 0x0039, 0x003a, 0x003b, 0x003c, 0x003d, 0x003e, 0x003f,
+    0x0040, 0x0041, 0x0042, 0x0043, 0x0044, 0x0045, 0x0046, 0x0047,
+    0x0048, 0x0049, 0x004a, 0x004b, 0x004c, 0x004d, 0x004e, 0x004f,
+    0x0050, 0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056, 0x0057,
+    0x0058, 0x0059, 0x005a, 0x005b, 0x005c, 0x005d, 0x005e, 0x00a0,
+    0x25c6, 0x2592, 0x2409, 0x240c, 0x240d, 0x240a, 0x00b0, 0x00b1,
+    0x2591, 0x240b, 0x2518, 0x2510, 0x250c, 0x2514, 0x253c, 0x23ba,
+    0x23bb, 0x2500, 0x23bc, 0x23bd, 0x251c, 0x2524, 0x2534, 0x252c,
+    0x2502, 0x2264, 0x2265, 0x03c0, 0x2260, 0x00a3, 0x00b7, 0x007f,
+    0x0080, 0x0081, 0x0082, 0x0083, 0x0084, 0x0085, 0x0086, 0x0087,
+    0x0088, 0x0089, 0x008a, 0x008b, 0x008c, 0x008d, 0x008e, 0x008f,
+    0x0090, 0x0091, 0x0092, 0x0093, 0x0094, 0x0095, 0x0096, 0x0097,
+    0x0098, 0x0099, 0x009a, 0x009b, 0x009c, 0x009d, 0x009e, 0x009f,
+    0x00a0, 0x00a1, 0x00a2, 0x00a3, 0x00a4, 0x00a5, 0x00a6, 0x00a7,
+    0x00a8, 0x00a9, 0x00aa, 0x00ab, 0x00ac, 0x00ad, 0x00ae, 0x00af,
+    0x00b0, 0x00b1, 0x00b2, 0x00b3, 0x00b4, 0x00b5, 0x00b6, 0x00b7,
+    0x00b8, 0x00b9, 0x00ba, 0x00bb, 0x00bc, 0x00bd, 0x00be, 0x00bf,
+    0x00c0, 0x00c1, 0x00c2, 0x00c3, 0x00c4, 0x00c5, 0x00c6, 0x00c7,
+    0x00c8, 0x00c9, 0x00ca, 0x00cb, 0x00cc, 0x00cd, 0x00ce, 0x00cf,
+    0x00d0, 0x00d1, 0x00d2, 0x00d3, 0x00d4, 0x00d5, 0x00d6, 0x00d7,
+    0x00d8, 0x00d9, 0x00da, 0x00db, 0x00dc, 0x00dd, 0x00de, 0x00df,
+    0x00e0, 0x00e1, 0x00e2, 0x00e3, 0x00e4, 0x00e5, 0x00e6, 0x00e7,
+    0x00e8, 0x00e9, 0x00ea, 0x00eb, 0x00ec, 0x00ed, 0x00ee, 0x00ef,
+    0x00f0, 0x00f1, 0x00f2, 0x00f3, 0x00f4, 0x00f5, 0x00f6, 0x00f7,
+    0x00f8, 0x00f9, 0x00fa, 0x00fb, 0x00fc, 0x00fd, 0x00fe, 0x00ff
+  },
+  /* IBM Codepage 437 mapped to Unicode */
+  {
+    0x0000, 0x263a, 0x263b, 0x2665, 0x2666, 0x2663, 0x2660, 0x2022,
+    0x25d8, 0x25cb, 0x25d9, 0x2642, 0x2640, 0x266a, 0x266b, 0x263c,
+    0x25b6, 0x25c0, 0x2195, 0x203c, 0x00b6, 0x00a7, 0x25ac, 0x21a8,
+    0x2191, 0x2193, 0x2192, 0x2190, 0x221f, 0x2194, 0x25b2, 0x25bc,
+    0x0020, 0x0021, 0x0022, 0x0023, 0x0024, 0x0025, 0x0026, 0x0027,
+    0x0028, 0x0029, 0x002a, 0x002b, 0x002c, 0x002d, 0x002e, 0x002f,
+    0x0030, 0x0031, 0x0032, 0x0033, 0x0034, 0x0035, 0x0036, 0x0037,
+    0x0038, 0x0039, 0x003a, 0x003b, 0x003c, 0x003d, 0x003e, 0x003f,
+    0x0040, 0x0041, 0x0042, 0x0043, 0x0044, 0x0045, 0x0046, 0x0047,
+    0x0048, 0x0049, 0x004a, 0x004b, 0x004c, 0x004d, 0x004e, 0x004f,
+    0x0050, 0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056, 0x0057,
+    0x0058, 0x0059, 0x005a, 0x005b, 0x005c, 0x005d, 0x005e, 0x005f,
+    0x0060, 0x0061, 0x0062, 0x0063, 0x0064, 0x0065, 0x0066, 0x0067,
+    0x0068, 0x0069, 0x006a, 0x006b, 0x006c, 0x006d, 0x006e, 0x006f,
+    0x0070, 0x0071, 0x0072, 0x0073, 0x0074, 0x0075, 0x0076, 0x0077,
+    0x0078, 0x0079, 0x007a, 0x007b, 0x007c, 0x007d, 0x007e, 0x2302,
+    0x00c7, 0x00fc, 0x00e9, 0x00e2, 0x00e4, 0x00e0, 0x00e5, 0x00e7,
+    0x00ea, 0x00eb, 0x00e8, 0x00ef, 0x00ee, 0x00ec, 0x00c4, 0x00c5,
+    0x00c9, 0x00e6, 0x00c6, 0x00f4, 0x00f6, 0x00f2, 0x00fb, 0x00f9,
+    0x00ff, 0x00d6, 0x00dc, 0x00a2, 0x00a3, 0x00a5, 0x20a7, 0x0192,
+    0x00e1, 0x00ed, 0x00f3, 0x00fa, 0x00f1, 0x00d1, 0x00aa, 0x00ba,
+    0x00bf, 0x2310, 0x00ac, 0x00bd, 0x00bc, 0x00a1, 0x00ab, 0x00bb,
+    0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x2561, 0x2562, 0x2556,
+    0x2555, 0x2563, 0x2551, 0x2557, 0x255d, 0x255c, 0x255b, 0x2510,
+    0x2514, 0x2534, 0x252c, 0x251c, 0x2500, 0x253c, 0x255e, 0x255f,
+    0x255a, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256c, 0x2567,
+    0x2568, 0x2564, 0x2565, 0x2559, 0x2558, 0x2552, 0x2553, 0x256b,
+    0x256a, 0x2518, 0x250c, 0x2588, 0x2584, 0x258c, 0x2590, 0x2580,
+    0x03b1, 0x00df, 0x0393, 0x03c0, 0x03a3, 0x03c3, 0x00b5, 0x03c4,
+    0x03a6, 0x0398, 0x03a9, 0x03b4, 0x221e, 0x03c6, 0x03b5, 0x2229,
+    0x2261, 0x00b1, 0x2265, 0x2264, 0x2320, 0x2321, 0x00f7, 0x2248,
+    0x00b0, 0x2219, 0x00b7, 0x221a, 0x207f, 0x00b2, 0x25a0, 0x00a0
+  },
+  /* User mapping -- default to codes for direct font mapping */
+  {
+    0xf000, 0xf001, 0xf002, 0xf003, 0xf004, 0xf005, 0xf006, 0xf007,
+    0xf008, 0xf009, 0xf00a, 0xf00b, 0xf00c, 0xf00d, 0xf00e, 0xf00f,
+    0xf010, 0xf011, 0xf012, 0xf013, 0xf014, 0xf015, 0xf016, 0xf017,
+    0xf018, 0xf019, 0xf01a, 0xf01b, 0xf01c, 0xf01d, 0xf01e, 0xf01f,
+    0xf020, 0xf021, 0xf022, 0xf023, 0xf024, 0xf025, 0xf026, 0xf027,
+    0xf028, 0xf029, 0xf02a, 0xf02b, 0xf02c, 0xf02d, 0xf02e, 0xf02f,
+    0xf030, 0xf031, 0xf032, 0xf033, 0xf034, 0xf035, 0xf036, 0xf037,
+    0xf038, 0xf039, 0xf03a, 0xf03b, 0xf03c, 0xf03d, 0xf03e, 0xf03f,
+    0xf040, 0xf041, 0xf042, 0xf043, 0xf044, 0xf045, 0xf046, 0xf047,
+    0xf048, 0xf049, 0xf04a, 0xf04b, 0xf04c, 0xf04d, 0xf04e, 0xf04f,
+    0xf050, 0xf051, 0xf052, 0xf053, 0xf054, 0xf055, 0xf056, 0xf057,
+    0xf058, 0xf059, 0xf05a, 0xf05b, 0xf05c, 0xf05d, 0xf05e, 0xf05f,
+    0xf060, 0xf061, 0xf062, 0xf063, 0xf064, 0xf065, 0xf066, 0xf067,
+    0xf068, 0xf069, 0xf06a, 0xf06b, 0xf06c, 0xf06d, 0xf06e, 0xf06f,
+    0xf070, 0xf071, 0xf072, 0xf073, 0xf074, 0xf075, 0xf076, 0xf077,
+    0xf078, 0xf079, 0xf07a, 0xf07b, 0xf07c, 0xf07d, 0xf07e, 0xf07f,
+    0xf080, 0xf081, 0xf082, 0xf083, 0xf084, 0xf085, 0xf086, 0xf087,
+    0xf088, 0xf089, 0xf08a, 0xf08b, 0xf08c, 0xf08d, 0xf08e, 0xf08f,
+    0xf090, 0xf091, 0xf092, 0xf093, 0xf094, 0xf095, 0xf096, 0xf097,
+    0xf098, 0xf099, 0xf09a, 0xf09b, 0xf09c, 0xf09d, 0xf09e, 0xf09f,
+    0xf0a0, 0xf0a1, 0xf0a2, 0xf0a3, 0xf0a4, 0xf0a5, 0xf0a6, 0xf0a7,
+    0xf0a8, 0xf0a9, 0xf0aa, 0xf0ab, 0xf0ac, 0xf0ad, 0xf0ae, 0xf0af,
+    0xf0b0, 0xf0b1, 0xf0b2, 0xf0b3, 0xf0b4, 0xf0b5, 0xf0b6, 0xf0b7,
+    0xf0b8, 0xf0b9, 0xf0ba, 0xf0bb, 0xf0bc, 0xf0bd, 0xf0be, 0xf0bf,
+    0xf0c0, 0xf0c1, 0xf0c2, 0xf0c3, 0xf0c4, 0xf0c5, 0xf0c6, 0xf0c7,
+    0xf0c8, 0xf0c9, 0xf0ca, 0xf0cb, 0xf0cc, 0xf0cd, 0xf0ce, 0xf0cf,
+    0xf0d0, 0xf0d1, 0xf0d2, 0xf0d3, 0xf0d4, 0xf0d5, 0xf0d6, 0xf0d7,
+    0xf0d8, 0xf0d9, 0xf0da, 0xf0db, 0xf0dc, 0xf0dd, 0xf0de, 0xf0df,
+    0xf0e0, 0xf0e1, 0xf0e2, 0xf0e3, 0xf0e4, 0xf0e5, 0xf0e6, 0xf0e7,
+    0xf0e8, 0xf0e9, 0xf0ea, 0xf0eb, 0xf0ec, 0xf0ed, 0xf0ee, 0xf0ef,
+    0xf0f0, 0xf0f1, 0xf0f2, 0xf0f3, 0xf0f4, 0xf0f5, 0xf0f6, 0xf0f7,
+    0xf0f8, 0xf0f9, 0xf0fa, 0xf0fb, 0xf0fc, 0xf0fd, 0xf0fe, 0xf0ff
+  }
+};
+
+u32 VTerm::translate_char(u32 c)
+{
+	if (c >= 256) return c;
+	return translations[charset][c];
+}
diff --git a/src/lib/instance.h b/src/lib/instance.h
new file mode 100644
index 0000000..740e139
--- /dev/null
+++ b/src/lib/instance.h
@@ -0,0 +1,63 @@
+/*
+ *   Copyright © 2008-2010 dragchan <zgchan317@gmail.com>
+ *   This file is part of FbTerm.
+ *
+ *   This program is free software; you can redistribute it and/or
+ *   modify it under the terms of the GNU General Public License
+ *   as published by the Free Software Foundation; either version 2
+ *   of the License, or (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#ifndef INSTANCE_H
+#define INSTANCE_H
+
+#define DECLARE_INSTANCE(classname) \
+public: \
+	static classname *instance(); \
+	static void uninstance(); \
+protected: \
+	classname(); \
+	virtual ~classname(); \
+private: \
+	static classname *createInstance(); \
+	static classname *mp##classname;
+
+#define DEFINE_INSTANCE(classname) \
+classname *classname::mp##classname = 0; \
+ \
+classname *classname::instance() \
+{ \
+	if (!mp##classname) { \
+		mp##classname = createInstance(); \
+	} \
+	 \
+	return mp##classname; \
+} \
+ \
+void classname::uninstance() \
+{ \
+	if (mp##classname) { \
+		delete mp##classname; \
+		mp##classname = 0; \
+	} \
+}
+
+#define DEFINE_INSTANCE_DEFAULT(classname) \
+DEFINE_INSTANCE(classname) \
+ \
+classname *classname::createInstance() \
+{ \
+	return new classname(); \
+}
+
+#endif
diff --git a/src/lib/io.cpp b/src/lib/io.cpp
new file mode 100644
index 0000000..e9a20b7
--- /dev/null
+++ b/src/lib/io.cpp
@@ -0,0 +1,249 @@
+/*
+ *   Copyright © 2008-2010 dragchan <zgchan317@gmail.com>
+ *   This file is part of FbTerm.
+ *
+ *   This program is free software; you can redistribute it and/or
+ *   modify it under the terms of the GNU General Public License
+ *   as published by the Free Software Foundation; either version 2
+ *   of the License, or (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include <string.h>
+#include <locale.h>
+#include <langinfo.h>
+#include <iconv.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <errno.h>
+#include <time.h>
+#include "io.h"
+
+DEFINE_INSTANCE(IoDispatcher)
+
+IoDispatcher::IoDispatcher()
+{
+}
+
+IoDispatcher::~IoDispatcher()
+{
+}
+
+const s8 *IoPipe::localCodec()
+{
+	static s8 local_codec[32];
+	if (!local_codec[0]) {
+		// The output character set of gettext is, by default, the value of nl_langinfo(CODESET),
+		// which depends on the LC_CTYPE part of the current locale.
+		setlocale(LC_CTYPE, "");
+
+		s8 *locale = setlocale(LC_CTYPE, "");
+		if (!locale || !strcmp(locale, "C")) {
+			strcpy(local_codec, "UTF-8");
+		} else {
+			strncpy(local_codec, nl_langinfo(CODESET), sizeof(local_codec) - 1);
+		}
+	}
+
+	return local_codec;
+}
+
+IoPipe::IoPipe()
+{
+	mFd = -1;
+	mCodecRead = 0;
+	mCodecWrite = 0;
+	mBufLenRead = 0;
+	mBufLenWrite = 0;
+}
+
+IoPipe::~IoPipe()
+{
+	if (mFd != -1) {
+		IoDispatcher::instance()->removeIoSource(this, true);
+		close(mFd);
+	}
+
+	if (mCodecRead) {
+		iconv_close((iconv_t)mCodecRead);
+	}
+
+	if (mCodecWrite) {
+		iconv_close((iconv_t)mCodecWrite);
+	}
+}
+
+void IoPipe::setFd(s32 fd)
+{
+	if (fd == mFd) return;
+
+	if (mFd != -1) {
+		IoDispatcher::instance()->removeIoSource(this, true);
+		close(mFd);
+	}
+
+	mFd = fd;
+
+	if (mFd != -1) {
+		fcntl(mFd, F_SETFD, fcntl(mFd, F_GETFD) | FD_CLOEXEC);
+		fcntl(mFd, F_SETFL, fcntl(mFd, F_GETFL) | O_NONBLOCK);
+
+		IoDispatcher::instance()->addIoSource(this, true);
+	}
+}
+
+
+void IoPipe::setCodec(const s8 *up, const s8 *down)
+{
+	if (!up || !down) return;
+
+	if (mCodecRead) {
+		iconv_close((iconv_t)mCodecRead);
+		mCodecRead = 0;
+	}
+
+	if (mCodecWrite) {
+		iconv_close((iconv_t)mCodecWrite);
+		mCodecWrite = 0;
+	}
+
+	if (!strcasecmp(up, down)) return;
+
+	mCodecRead = iconv_open(up, down);
+	if (mCodecRead == (void*)-1) mCodecRead = 0;
+
+	mCodecWrite = iconv_open(down, up);
+	if (mCodecWrite == (void*)-1) mCodecWrite = 0;
+}
+
+#define BUF_SIZE 10240
+
+void IoPipe::ready(bool isread)
+{
+	if (!isread) return;
+
+	s8 buf[BUF_SIZE];
+	s32 len = read(mFd, buf + mBufLenRead, sizeof(buf) - mBufLenRead);
+
+	if (!len) {
+		ioError(true, 0); // end of file
+	} else if (len == -1) {
+		if (errno != EAGAIN && errno != EINTR) {
+			ioError(true, errno);
+		}
+	} else if (len > 0) {
+		if (mBufLenRead) {
+			memcpy(buf, mBufRead, mBufLenRead);
+			len += mBufLenRead;
+			mBufLenRead = 0;
+		}
+
+		translate(true, buf, len);
+	}
+}
+
+void IoPipe::write(s8 *buf, u32 len)
+{
+	translate(false, buf, len);
+}
+
+void IoPipe::translate(bool isread, s8 *buf, u32 len)
+{
+	if (!buf || !len) return;
+
+	s8 *bufleft;
+	u32 *buflen;
+	iconv_t codec;
+
+	if (isread) {
+		bufleft = mBufRead;
+		buflen = &mBufLenRead;
+		codec = (iconv_t)mCodecRead;
+	} else {
+		bufleft = mBufWrite;
+		buflen = &mBufLenWrite;
+		codec = (iconv_t)mCodecWrite;
+	}
+
+	if (!codec) {
+		if (isread) {
+			readyRead(buf, len);
+		} else {
+			writeIo(buf, len);
+		}
+
+		return;
+	}
+
+	u32 outlen = BUF_SIZE;
+	s8 outbuf[outlen];
+
+	size_t nconv, left, total = len;
+	s8 *outptr, *inptr = buf;
+
+	while (total) {
+		outptr = outbuf;
+		left = outlen;
+
+		nconv = iconv(codec, &inptr, &total, &outptr, &left);
+		if (left < outlen) {
+			if (isread) {
+				readyRead(outbuf, outlen - left);
+			} else {
+				writeIo(outbuf, outlen - left);
+			}
+		}
+
+		if ((ssize_t)nconv == -1) {
+			if (errno == EILSEQ) {
+				s8 c = '?';
+				if (isread) {
+					readyRead(&c, 1);
+				} else {
+					writeIo(&c, 1);
+				}
+
+				inptr++;
+				total--;
+			} else if (errno == EINVAL) {
+				memcpy(bufleft, inptr, total);
+				*buflen = total;
+				total = 0;
+			}
+		}
+	}
+}
+
+void IoPipe::writeIo(s8 *buf, u32 len)
+{
+	u32 num = 5;
+
+	while (len) {
+		s32 ret = ::write(mFd, buf, len);
+		if (ret == -1) {
+			if (errno == EAGAIN) {
+				if (num--) {
+					timespec tm = { 0, 200 * 1000000UL };
+					nanosleep(&tm, 0);
+				} else break;
+			} else {
+				if (errno != EINTR) {
+					ioError(false, errno);
+				}
+				break;
+			}
+		} else if (ret > 0) {
+			buf += ret;
+			len -= ret;
+		}
+	}
+}
diff --git a/src/lib/io.h b/src/lib/io.h
new file mode 100644
index 0000000..bb5ca99
--- /dev/null
+++ b/src/lib/io.h
@@ -0,0 +1,64 @@
+/*
+ *   Copyright © 2008-2010 dragchan <zgchan317@gmail.com>
+ *   This file is part of FbTerm.
+ *
+ *   This program is free software; you can redistribute it and/or
+ *   modify it under the terms of the GNU General Public License
+ *   as published by the Free Software Foundation; either version 2
+ *   of the License, or (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#ifndef IO_H
+#define IO_H
+
+#include "type.h"
+#include "instance.h"
+
+class IoPipe {
+public:
+	IoPipe();
+	virtual ~IoPipe();
+
+	s32 fd() { return mFd; }
+	void ready(bool isread);
+
+	static const s8 *localCodec();
+
+protected:
+	void setFd(s32 fd);
+	void setCodec(const s8 *up, const s8 *down);
+	void write(s8 *buf, u32 len);
+
+	virtual void readyRead(s8 *buf, u32 len) = 0;
+	virtual void ioError(bool read, s32 err) {}
+
+private:
+	void translate(bool isread, s8 *buf, u32 len);
+	void writeIo(s8 *buf, u32 len);
+
+	s32 mFd;
+	void *mCodecRead, *mCodecWrite;
+	s8 mBufRead[16], mBufWrite[16];
+	u32 mBufLenRead, mBufLenWrite;
+};
+
+class IoDispatcher {
+	DECLARE_INSTANCE(IoDispatcher)
+private:
+	virtual void addIoSource(IoPipe *src, bool isread) = 0;
+	virtual void removeIoSource(IoPipe *src, bool isread) = 0;
+
+	friend class IoPipe;
+};
+
+#endif
diff --git a/src/lib/shell.cpp b/src/lib/shell.cpp
new file mode 100644
index 0000000..657c4a4
--- /dev/null
+++ b/src/lib/shell.cpp
@@ -0,0 +1,430 @@
+/*
+ *   Copyright © 2008-2010 dragchan <zgchan317@gmail.com>
+ *   This file is part of FbTerm.
+ *
+ *   This program is free software; you can redistribute it and/or
+ *   modify it under the terms of the GNU General Public License
+ *   as published by the Free Software Foundation; either version 2
+ *   of the License, or (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include <errno.h>
+#include <pty.h>
+#include <pwd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <signal.h>
+#include <string.h>
+#include <termios.h>
+#include <sched.h>
+#include <sys/ioctl.h>
+#include <sys/wait.h>
+#include "shell.h"
+
+void waitChildProcessExit(s32 pid)
+{
+	if (pid < 0) return;
+
+	kill(pid, SIGTERM);
+	sched_yield();
+
+	s32 ret = waitpid(pid, 0, WNOHANG);
+	if (ret > 0 || (ret == -1 && errno == ECHILD)) return;
+
+	for (u32 i = 5; i--;) {
+		usleep(100 * 1000);
+
+		ret = waitpid(pid, 0, WNOHANG);
+		if (ret > 0) break;
+	}
+
+	if (ret <= 0) {
+		kill(pid, SIGKILL);
+		waitpid(pid, 0, 0);
+	}
+}
+
+Shell::SelectedText Shell::mSelText;
+
+Shell::Shell()
+{
+	mPid = -1;
+}
+
+Shell::~Shell()
+{
+	setFd(-1);
+	waitChildProcessExit(mPid);
+}
+
+void Shell::createShellProcess(s8 **command)
+{
+	s32 fd;
+	mPid = forkpty(&fd, NULL, NULL, NULL);
+
+	switch (mPid) {
+	case -1:
+		break;
+
+	case 0:  // child process
+		initShellProcess();
+		setenv("TERM", "linux", 1);
+
+		if (command) {
+			execvp(command[0], command);
+		} else {
+			s8 *shell = getenv("SHELL");
+			if (shell) execlp(shell, shell, NULL);
+
+			struct passwd *userpd = getpwuid(getuid());
+			execlp(userpd->pw_shell, userpd->pw_shell, NULL);
+
+			execlp("/bin/sh", "/bin/sh", NULL);
+		}
+
+		exit(1);
+		break;
+
+	default:
+		setFd(fd);
+		setCodec("UTF-8", localCodec());
+		resize(w(), h());
+		break;
+	}
+}
+
+void Shell::readyRead(s8 *buf, u32 len)
+{
+	resetTextSelect();
+	input((const u8 *)buf, len);
+}
+
+void Shell::sendBack(const s8 *data)
+{
+	write((s8*)data, strlen(data));
+}
+
+void Shell::resize(u16 w, u16 h)
+{
+	if (!w || !h) return;
+
+	resetTextSelect();
+	VTerm::resize(w, h);
+
+	struct winsize size;
+	size.ws_xpixel = 0;
+	size.ws_ypixel = 0;
+	size.ws_col = w;
+	size.ws_row = h;
+	ioctl(fd(), TIOCSWINSZ, &size);
+}
+
+void Shell::keyInput(s8 *buf, u32 len)
+{
+	resetTextSelect();
+	write(buf, len);
+}
+
+void Shell::mouseInput(u16 x, u16 y, s32 type, s32 buttons)
+{
+	if (x >= w()) x = w() - 1;
+	if (y >= h()) y = h() - 1;
+
+	s32 btn = buttons & MouseButtonMask;
+	s32 modifies = buttons & ModifyButtonMask;
+	u16 rtype = mode(MouseReport);
+
+	if (btn && rtype != Wheel && (rtype == MouseNone || (modifies & ShiftButton))) {
+		textSelect(x, y, type, btn);
+		return;
+	}
+
+	if (rtype == MouseNone) return;
+
+	s32 val = -1;
+
+	switch (type) {
+	case Press:
+	case DblClick:
+		if (btn & LeftButton) val = 0;
+		else if (btn & MidButton) val = 1;
+		else if (btn & RightButton) val = 2;
+		break;
+	case Release:
+		if (rtype == MouseX11) val = 3;
+		break;
+	case Wheel:
+		if (rtype == MouseX11) {
+			val = 64;
+			if (btn & WheelDown) val |= 1;
+		}
+		break;
+	default:
+		break;
+	}
+
+	if (rtype == MouseX11 && val != -1) {
+		if (modifies & ShiftButton)	val |= 4;
+		if (modifies & AltButton) val |= 8;
+		if (modifies & ControlButton) val |= 16;
+	}
+
+	if (val != -1) {
+		s8 buf[8];
+		snprintf(buf, sizeof(buf), "\e[M%c%c%c", ' ' + val, ' ' + x + 1, ' ' + y + 1);
+		sendBack(buf);
+	}
+}
+
+void Shell::textSelect(u16 x, u16 y, s32 type, s32 btn)
+{
+	if (btn == LeftButton) {
+		switch (type) {
+		case Press:
+			resetTextSelect();
+			mSelState.selecting = true;
+			startTextSelect(x, y);
+			break;
+		case Move:
+			if (mSelState.selecting) {
+				middleTextSelect(x, y);
+			} else {
+				resetTextSelect();
+				mSelState.selecting = true;
+				startTextSelect(x, y);
+			}
+			break;
+		case Release:
+			mSelState.selecting = false;
+			endTextSelect();
+			break;
+		case DblClick:
+			resetTextSelect();
+			autoTextSelect(x, y);
+			break;
+		default:
+			break;
+		}
+	} else if (btn == RightButton) {
+		if (type == Press || type == DblClick) {
+			resetTextSelect();
+			putSelectedText();
+		}
+	}
+}
+
+void Shell::startTextSelect(u16 x, u16 y)
+{
+	mSelState.start = mSelState.end = y * w() + x;
+
+	inverseTextColor(mSelState.start, mSelState.end);
+	mSelState.color_inversed = true;
+}
+
+void Shell::middleTextSelect(u16 x, u16 y)
+{
+	u32 start = mSelState.start, end = mSelState.end;
+	u32 new_end = y * w() + x;
+
+	bool dir_sel = (end >= start);
+	bool dir_new_sel = (new_end >= start);
+
+	mSelState.end = new_end;
+
+	if (dir_sel == dir_new_sel) {
+		bool dir_change = (new_end > end);
+
+		u32 &pos = (dir_sel == dir_change) ? end : new_end;
+		CharAttr attr = charAttr(pos % w(), pos / w());
+
+		if (dir_sel) {
+			if (attr.type == CharAttr::DoubleLeft) pos++;
+			pos++;
+		} else {
+			if (attr.type == CharAttr::DoubleRight) pos--;
+			pos--;
+		}
+
+		bool dir_new_change = (new_end == end) ? dir_change : (new_end > end);
+
+		if (dir_change == dir_new_change) {
+			inverseTextColor(end, new_end);
+		}
+	} else {
+		inverseTextColor(start, end);
+		inverseTextColor(start, new_end);
+	}
+}
+
+static void utf16_to_utf8(u16 *buf16, u32 num, s8 *buf8)
+{
+	u16 code;
+	u32 index = 0;
+	for (; num--; buf16++) {
+		code = *buf16;
+		if (code >> 11) {
+			buf8[index++] = 0xe0 | (code >> 12);
+			buf8[index++] = 0x80 | ((code >> 6) & 0x3f);
+			buf8[index++] = 0x80 | (code & 0x3f);
+		} else if (code >> 7) {
+			buf8[index++] = 0xc0 | ((code >> 6) & 0x1f);
+			buf8[index++] = 0x80 | (code & 0x3f);
+		} else {
+			buf8[index++] = code;
+		}
+	}
+
+	buf8[index] = 0;
+}
+
+#define SWAP(a, b) do { \
+	if (a > b) { \
+		u32 tmp = a; \
+		a = b; \
+		b = tmp; \
+	} \
+} while (0)
+
+void Shell::endTextSelect()
+{
+	u32 start = mSelState.start, end = mSelState.end;
+	SWAP(start, end);
+
+	u32 len = end - start + 1;
+	u16 buf[len];
+	s8 *text = new s8[len * 3];
+
+	u16 sx, sy, ex, ey;
+	sx = start % w(), sy = start / w();
+	ex = end % w(), ey = end / w();
+
+	u32 index = 0;
+	for (u16 y = sy; y <= ey; y++) {
+		u16 x = (y == sy ? sx : 0);
+		u16 end = (y == ey ? ex : (w() -1));
+		for (; x <= end; x++) {
+			buf[index++] = charCode(x, y);
+			if (charAttr(x, y).type == CharAttr::DoubleLeft) x++;
+		}
+	}
+
+	utf16_to_utf8(buf, index, text);
+	mSelText.setText(text);
+}
+
+void Shell::resetTextSelect()
+{
+	mSelState.selecting = false;
+	if (mSelState.color_inversed) {
+		mSelState.color_inversed = false;
+		inverseTextColor(mSelState.start, mSelState.end);
+	}
+}
+
+void Shell::autoTextSelect(u16 x, u16 y)
+{
+	static u32 inwordLut[8] = {
+		0x00000000,
+		0x03FF0000, /* digits */
+		0x07FFFFFE, /* uppercase */
+		0x07FFFFFE, /* lowercase */
+		0x00000000,
+		0x00000000,
+		0xFF7FFFFF, /* latin-1 accented letters, not multiplication sign */
+		0xFF7FFFFF  /* latin-1 accented letters, not division sign */
+	};
+
+	static bool inited = false;
+	if (!inited) {
+		inited = true;
+
+		u8 chrs[32];
+		initWordChars((s8*)chrs, sizeof(chrs));
+
+		for (u32 i = 0; chrs[i]; i++) {
+			if (chrs[i] > 0x7f || chrs[i] <= ' ') continue;
+			inwordLut[chrs[i] >> 5] |= 1 << (chrs[i] & 0x1f);
+		}
+	}
+
+	#define inword(c) ((c) > 0xff || (( inwordLut[(c) >> 5] >> ((c) & 0x1f) ) & 1))
+
+	u16 code = charCode(x, y);
+	bool inw = inword(code);
+	bool found = false;
+
+	u16 sx = x;
+	while (sx) {
+		if (inw ^ inword(code)) {
+			found = true;
+			break;
+		}
+
+		code = charCode(--sx, y);
+	}
+
+	if (found) sx++;
+
+	code = charCode(x, y);
+	inw = inword(code);
+	found = false;
+
+	u16 ex = x;
+	while (ex != w() -1) {
+		if (inw ^ inword(code)) {
+			found = true;
+			break;
+		}
+
+		code = charCode(++ex, y);
+	}
+
+	if (found) ex--;
+
+	mSelState.start = y * w() + sx;
+	mSelState.end = y * w() + ex;
+	inverseTextColor(mSelState.start, mSelState.end);
+	mSelState.color_inversed = true;
+}
+
+void Shell::putSelectedText()
+{
+	if (mSelText.text) {
+		sendBack(mSelText.text);
+	}
+}
+
+void Shell::inverseTextColor(u32 start, u32 end)
+{
+	SWAP(start, end);
+
+	u16 sx, sy, ex, ey;
+	sx = start % w(), sy = start / w();
+	ex = end % w(), ey = end / w();
+
+	inverse(sx, sy, ex, ey);
+
+	if (charAttr(sx, sy).type == CharAttr::DoubleRight) sx--;
+	if (charAttr(ex, ey).type == CharAttr::DoubleLeft) ex++;
+
+	requestUpdate(sx, sy, (sy == ey ? (ex + 1) : w()) - sx, 1);
+
+	if (ey > sy + 1) {
+		requestUpdate(0, sy + 1, w(), ey - sy - 1);
+	}
+
+	if (ey > sy) {
+		requestUpdate(0, ey, ex + 1, 1);
+	}
+}
diff --git a/src/lib/shell.h b/src/lib/shell.h
new file mode 100644
index 0000000..4cacf8e
--- /dev/null
+++ b/src/lib/shell.h
@@ -0,0 +1,100 @@
+/*
+ *   Copyright © 2008-2010 dragchan <zgchan317@gmail.com>
+ *   This file is part of FbTerm.
+ *
+ *   This program is free software; you can redistribute it and/or
+ *   modify it under the terms of the GNU General Public License
+ *   as published by the Free Software Foundation; either version 2
+ *   of the License, or (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#ifndef SHELL_H
+#define SHELL_H
+
+#include "io.h"
+#include "vterm.h"
+
+enum MouseType { Press = 0, Release, DblClick, Move, Wheel };
+
+enum ButtonState {
+	NoButton	= 0x0000,
+	LeftButton	= 0x0001,
+	RightButton	= 0x0002,
+	MidButton	= 0x0004,
+	WheelDown	= 0x0008,
+	WheelUp		= 0x0010,
+	MouseButtonMask = 0x00ff,
+
+	ShiftButton	= 0x0100,
+	ControlButton	= 0x0200,
+	AltButton	= 0x0400,
+	ModifyButtonMask	= 0x0700
+};
+
+class Shell : public IoPipe, public VTerm {
+public:
+	void keyInput(s8 *buf, u32 len);
+	void mouseInput(u16 x, u16 y, s32 type, s32 buttons);
+
+protected:
+	Shell();
+	~Shell();
+
+	void resize(u16 w, u16 h);
+	void createShellProcess(s8 **command);
+	s32 shellProcessId() { return mPid; }
+
+	virtual void initShellProcess() {}
+	virtual void readyRead(s8 *buf, u32 len);
+
+private:
+	static void initWordChars(s8 *buf, u32 len);
+	virtual void sendBack(const s8 *data);
+
+	void textSelect(u16 x, u16 y, s32 type, s32 buttons);
+	void startTextSelect(u16 x, u16 y);
+	void middleTextSelect(u16 x, u16 y);
+	void endTextSelect();
+	void resetTextSelect();
+	void autoTextSelect(u16 x, u16 y);
+	void putSelectedText();
+	void inverseTextColor(u32 start, u32 end);
+
+	s32 mPid;
+
+	static struct SelectedText {
+		SelectedText() {
+			text = 0;
+		}
+		~SelectedText() {
+			if (text) delete[] text;
+		}
+		void setText(s8 *_text) {
+			if (text) delete[] text;
+			text = _text;
+		}
+
+		s8 *text;
+	} mSelText;
+
+	struct TextSelection {
+		TextSelection() {
+			selecting = color_inversed = false;
+		}
+		u32 start, end;
+		bool selecting;
+		bool color_inversed;
+	} mSelState;
+};
+
+#endif
diff --git a/src/lib/type.h b/src/lib/type.h
new file mode 100644
index 0000000..5d24687
--- /dev/null
+++ b/src/lib/type.h
@@ -0,0 +1,34 @@
+/*
+ *   Copyright © 2008-2010 dragchan <zgchan317@gmail.com>
+ *   This file is part of FbTerm.
+ *
+ *   This program is free software; you can redistribute it and/or
+ *   modify it under the terms of the GNU General Public License
+ *   as published by the Free Software Foundation; either version 2
+ *   of the License, or (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#ifndef TYPE_H
+#define TYPE_H
+
+typedef char s8;
+typedef short s16;
+typedef int s32;
+typedef long long s64;
+
+typedef unsigned char u8;
+typedef unsigned short u16;
+typedef unsigned int u32;
+typedef unsigned long long u64;
+
+#endif
diff --git a/src/lib/vterm.cpp b/src/lib/vterm.cpp
new file mode 100644
index 0000000..3a5dcc7
--- /dev/null
+++ b/src/lib/vterm.cpp
@@ -0,0 +1,834 @@
+/*
+ *   Copyright © 2008-2010 dragchan <zgchan317@gmail.com>
+ *   This file is part of FbTerm.
+ *   based on GTerm by Timothy Miller <tim@techsource.com>
+ *
+ *   This program is free software; you can redistribute it and/or
+ *   modify it under the terms of the GNU General Public License
+ *   as published by the Free Software Foundation; either version 2
+ *   of the License, or (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include <string.h>
+#include "vterm.h"
+
+#define MIN(a, b) ((a) < (b) ? (a) : (b))
+#define MAX(a, b) ((a) > (b) ? (a) : (b))
+
+VTerm::CharAttr VTerm::default_char_attr = { 0, 0, 1, 0, 0, 0, 0, VTerm::CharAttr::Single };
+
+VTerm::CharAttr VTerm::normal_char_attr()
+{
+	CharAttr a(char_attr);
+
+	if (a.underline && cur_underline_color != -1) {
+		a.underline = false;
+		a.fcolor = cur_underline_color;
+	}
+
+	if (a.intensity == 0 && cur_halfbright_color != -1) {
+		a.intensity = 1;
+		a.fcolor = cur_halfbright_color;
+	}
+
+	return a;
+}
+
+VTerm::CharAttr VTerm::erase_char_attr()
+{
+	CharAttr a(default_char_attr);
+
+	a.fcolor = char_attr.fcolor;
+	a.bcolor = char_attr.bcolor;
+	a.blink = char_attr.blink;
+
+	return a;
+}
+
+VTerm::ModeFlag::ModeFlag()
+{
+	memset(this, 0, sizeof(ModeFlag));
+	auto_wrap = true;
+	cursor_visible = true;
+	autorepeat_key = true;
+}
+
+u16 VTerm::history_lines;
+u8 VTerm::control_map[MAX_CONTROL_CODE], VTerm::escape_map[NR_STATES][MAX_ESCAPE_CODE];
+
+void VTerm::init_state()
+{
+	for (u8 i = 1; control_sequences[i].code != (u16)-1; i++) {
+		control_map[control_sequences[i].code] = i;
+	}
+
+	u8 state = ESnormal;
+	for (u8 i = 1; ; i++) {
+		if (escape_sequences[i].code == (u16)-1) {
+			state++;
+			if (state == NR_STATES) break;
+		} else {
+			u8 start = escape_sequences[i].code & 0xff;
+			for (u8 j = 0; j <= escape_sequences[i].code >> 8; j++) {
+				escape_map[state][start + j] = i;
+			}
+		}
+	}
+}
+
+VTerm::VTerm(u16 w, u16 h)
+{
+	static bool inited = false;
+	if (!inited) {
+		inited = true;
+		init_state();
+		history_lines = init_history_lines();
+		default_char_attr.fcolor = init_default_color(true);
+		default_char_attr.bcolor = init_default_color(false);
+		ambiguous_wide = init_ambiguous_wide();
+	}
+
+	text = 0;
+	attrs = 0;
+	tab_stops = 0;
+	linenumbers = 0;
+	dirty_startx = 0;
+	dirty_endx = 0;
+
+	width = height = 0;
+	max_width = max_height = 0;
+
+	history_full = false;
+	history_save_line = 0;
+	visual_start_line = 0;
+
+	reset();
+	resize(w, h);
+}
+
+VTerm::~VTerm()
+{
+	if (!text) return;
+
+	delete[] text;
+	delete[] attrs;
+	delete[] tab_stops;
+	delete[] linenumbers;
+	delete[] dirty_startx;
+	delete[] dirty_endx;
+}
+
+void VTerm::reset()
+{
+	utf8 = true;
+	utf8_count = 0;
+	g0_is_active = true;
+	g0_charset = Lat1Map;
+	g1_charset = GrafMap;
+	charset = g0_charset;
+
+	esc_state = ESnormal;
+
+	pending_scroll = 0;
+	scroll_top = 0;
+	scroll_bot = height ? (height - 1) : 0;
+	cursor_x = cursor_y = 0;
+	s_cursor_x = s_cursor_y = 0;
+
+	mode_flags = ModeFlag();
+	char_attr = s_char_attr = default_char_attr;
+	cur_fcolor = default_char_attr.fcolor;
+	cur_bcolor = default_char_attr.bcolor;
+	cur_underline_color = -1;
+	cur_halfbright_color = -1;
+
+	if (text) {
+		memset(tab_stops, 0, max_width / 8 + 1);
+		clear_area(0, 0, width - 1, height - 1);
+	}
+
+	modeChanged(AllModes);
+}
+
+void VTerm::resize(u16 w, u16 h)
+{
+	if (!w || !h || (w == width && h == height)) return;
+
+	u16 new_max_width = (w > max_width) ? w : max_width;
+	u16 new_max_height = (h > max_height) ? h : max_height;
+	u16 minw = MIN(width, w), minh = MIN(height, h);
+
+	if (new_max_width > max_width) {
+		s8 *new_tab_stops = new s8[new_max_width / 8 + 1];
+		memset(new_tab_stops, 0, new_max_width / 8 + 1);
+
+		if (tab_stops) {
+			memcpy(new_tab_stops, tab_stops, max_width / 8 + 1);
+			delete[] tab_stops;
+		}
+		tab_stops = new_tab_stops;
+	} else if (w > width) {
+
+	}
+
+	if (new_max_height > max_height) {
+		u16 *new_linenumbers = new u16[new_max_height];
+		u16 *new_dirty_startx = new u16[new_max_height];
+		u16 *new_dirty_endx = new u16[new_max_height];
+
+		for (u16 i = 0; i < new_max_height; i++) {
+			bool orig = (linenumbers && i < height);
+			new_linenumbers[i] = orig ? linenumbers[i] : (history_lines + i);
+			new_dirty_startx[i] = orig ? dirty_startx[i] : w;
+			new_dirty_endx[i] = orig ? dirty_endx[i] : 0;
+		}
+
+		if (linenumbers) {
+			delete[] linenumbers;
+			delete[] dirty_startx;
+			delete[] dirty_endx;
+		}
+
+		linenumbers = new_linenumbers;
+		dirty_startx = new_dirty_startx;
+		dirty_endx = new_dirty_endx;
+	}
+
+	if (new_max_width > max_width || new_max_height > max_height) {
+		u16 *new_text = new u16[new_max_width * (history_lines + new_max_height)];
+		CharAttr *new_attrs = new CharAttr[new_max_width * (history_lines + new_max_height)];
+
+		if (text) {
+			u32 start, new_start;
+			u16 history_copy_lines = (history_full ? history_lines : history_save_line);
+			for (u16 i = 0; i < history_copy_lines; i++) {
+				start = i * max_width;
+				new_start = i * new_max_width;
+				memcpy(&new_text[new_start], &text[start], sizeof(*text) * max_width);
+				memcpy(&new_attrs[new_start], &attrs[start], sizeof(*attrs) * max_width);
+
+				for (u16 j = max_width; j < new_max_width; j++) {
+					new_text[new_start + j] = ' ';
+					new_attrs[new_start + j] = default_char_attr;
+				}
+			}
+
+			for (u16 i = 0; i < max_height; i++) {
+				start = (history_lines + i) * max_width;
+				new_start = (history_lines + i) * new_max_width;
+				memcpy(&new_text[new_start], &text[start], sizeof(*text) * max_width);
+				memcpy(&new_attrs[new_start], &attrs[start], sizeof(*attrs) * max_width);
+			}
+
+			delete[] text;
+			delete[] attrs;
+		}
+
+		text = new_text;
+		attrs = new_attrs;
+		max_width = new_max_width;
+		max_height = new_max_height;
+	}
+
+	bool h_changed = false;
+
+	if (h != height) {
+		h_changed = true;
+
+		if (h < height) {
+			if (h <= cursor_y) {
+				scroll_region(0, height - 1, cursor_y - h + 1);
+				move_cursor(cursor_x, h - 1);
+			}
+		}
+	}
+
+	if (w <= cursor_x) {
+		move_cursor(w - 1, cursor_y);
+	}
+
+	width = w;
+	height = h;
+
+	if (h_changed) {
+		historyChanged(visual_start_line, total_history_lines());
+	}
+
+	scroll_bot = height - 1;
+	if (scroll_top >= height) scroll_top = 0;
+
+	if (minw < w) {
+		clear_area(minw, 0, w - 1, h - 1);
+	}
+
+	if (minh < h) {
+		clear_area(0, minh, minw, h - 1);
+	}
+
+}
+
+void VTerm::input(const u8 *buf, u32 count)
+{
+	if (!width) return;
+
+	if (visual_start_line != total_history_lines()) {
+		historyDisplay(true, total_history_lines());
+		historyChanged(visual_start_line, total_history_lines());
+	}
+
+	if (mode(CursorVisible)) {
+		changed_line(cursor_y, cursor_x, cursor_x);
+	}
+
+	u32 c, tc;
+	bool rescan;
+
+	while (count > 0) {
+		u32 orig = *buf;
+		c = orig;
+		buf++;
+		count--;
+		rescan = 0;
+
+		/* Do no translation at all in control states */
+		if (esc_state != ESnormal) {
+			tc = c;
+		} else if (utf8 && (!mode_flags.display_ctrl || c < 0x20)) {
+			rescan_last_byte:
+			if ((c & 0xc0) == 0x80) {
+				/* Continuation byte received */
+				static const u32 utf8_length_changes[] = { 0x0000007f, 0x000007ff, 0x0000ffff, 0x001fffff, 0x03ffffff, 0x7fffffff};
+				if (utf8_count) {
+					cur_char = (cur_char << 6) | (c & 0x3f);
+					npar++;
+					if (--utf8_count) {
+						/* Still need some bytes */
+						continue;
+					}
+					/* Got a whole character */
+					c = cur_char;
+					/* Reject overlong sequences */
+					if (c <= utf8_length_changes[npar - 1] ||
+						c > utf8_length_changes[npar])
+						c = 0xfffd;
+				} else {
+					/* Unexpected continuation byte */
+					utf8_count = 0;
+					c = 0xfffd;
+				}
+			} else {
+				/* Single ASCII byte or first byte of a sequence received */
+				if (utf8_count) {
+					/* Continuation byte expected */
+					rescan = 1;
+					utf8_count = 0;
+					c = 0xfffd;
+				} else if (c > 0x7f) {
+					/* First byte of a multibyte sequence received */
+					npar = 0;
+					if ((c & 0xe0) == 0xc0) {
+						utf8_count = 1;
+						cur_char = (c & 0x1f);
+					} else if ((c & 0xf0) == 0xe0) {
+						utf8_count = 2;
+						cur_char = (c & 0x0f);
+					} else if ((c & 0xf8) == 0xf0) {
+						utf8_count = 3;
+						cur_char = (c & 0x07);
+					} else if ((c & 0xfc) == 0xf8) {
+						utf8_count = 4;
+						cur_char = (c & 0x03);
+					} else if ((c & 0xfe) == 0xfc) {
+						utf8_count = 5;
+						cur_char = (c & 0x01);
+					} else {
+						/* 254 and 255 are invalid */
+						c = 0xfffd;
+					}
+					if (utf8_count) {
+						/* Still need some bytes */
+						continue;
+					}
+				}
+				/* Nothing to do if an ASCII byte was received */
+			}
+			/* End of UTF-8 decoding. */
+			/* c is the received character, or U+FFFD for invalid sequences. */
+			/* Replace invalid Unicode code points with U+FFFD too */
+			if ((c >= 0xd800 && c <= 0xdfff) || c == 0xfffe || c == 0xffff)
+				c = 0xfffd;
+			tc = c;
+		}  else {	/* no utf or alternate charset mode */
+			tc = translate_char(mode_flags.toggle_meta ? (c | 0x80) : c);
+		}
+
+		cur_char = tc;
+
+		/* A bitmap for codes <32. A bit of 1 indicates that the code
+		* corresponding to that bit number invokes some special action
+		* (such as cursor movement) and should not be displayed as a
+		* glyph unless the disp_ctrl mode is explicitly enabled.
+		*/
+#define CTRL_ACTION 0x0d00ff81
+#define CTRL_ALWAYS 0x0800f501	/* Cannot be overridden by disp_ctrl */
+
+		/* If the original code was a control character we
+		 * only allow a glyph to be displayed if the code is
+		 * not normally used (such as for cursor movement) or
+		 * if the disp_ctrl mode has been explicitly enabled.
+		 * Certain characters (as given by the CTRL_ALWAYS
+		 * bitmap) are always displayed as control characters,
+		 * as the console would be pretty useless without
+		 * them; to display an arbitrary font position use the
+		 * direct-to-font zone in UTF-8 mode.
+		 */
+		bool ok = tc && (c >= 32 || !(mode_flags.display_ctrl ? ((CTRL_ALWAYS >> c) & 1) : (utf8 || ((CTRL_ACTION >> c) & 1))))
+					&& (c != 127 || mode_flags.display_ctrl)
+					&& (c != 128+27);
+
+		if ((esc_state == ESnormal) && ok) {
+			do_normal_char();
+
+			if (rescan) {
+				rescan = 0;
+				c = orig;
+				goto rescan_last_byte;
+			}
+			continue;
+		}
+
+		do_control_char();
+	}
+
+	update();
+	draw_cursor();
+}
+
+void VTerm::do_normal_char()
+{
+	if (cur_char > 0xffff) cur_char = 0xfffd;
+
+	s32 cw = charWidth(cur_char);
+	if (cw <= 0) return;
+
+	bool dw = (cw == 2);
+
+	u32 yp = linenumbers[cursor_y] * max_width;
+	if ((!dw && cursor_x >= width) || (dw && (cursor_x >= width - 1))) {
+		if (mode_flags.auto_wrap) {
+			if (dw && cursor_x == width - 1) {
+				text[yp + cursor_x] = ' ';
+				attrs[yp + cursor_x] = erase_char_attr();
+			}
+			next_line();
+			yp = linenumbers[cursor_y] * max_width;
+		} else {
+			if (!dw) {
+				cursor_x = width - 1;
+			} else {
+				return;
+			}
+		}
+	}
+
+	if (mode_flags.insert_mode) {
+		changed_line(cursor_y, cursor_x, width - 1);
+
+		u16 step = dw ? 2 : 1;
+		for (u16 i = width - step - 1; i >= cursor_x; i--) {
+			text[yp + i + step] = text[yp + i];
+			attrs[yp + i + step] = attrs[yp + i];
+		}
+	} else {
+		changed_line(cursor_y, cursor_x, cursor_x + (dw ? 1 : 0));
+	}
+
+	text[yp + cursor_x] = cur_char;
+	attrs[yp + cursor_x] = normal_char_attr();
+
+	if (dw) {
+		attrs[yp + cursor_x++].type = CharAttr::DoubleLeft;
+
+		text[yp + cursor_x] = cur_char;
+		attrs[yp + cursor_x] = normal_char_attr();
+		attrs[yp + cursor_x++].type = CharAttr::DoubleRight;
+	} else {
+		attrs[yp + cursor_x++].type = CharAttr::Single;
+	}
+}
+
+void VTerm::do_control_char()
+{
+	u8 index = (cur_char < MAX_CONTROL_CODE ? control_map[cur_char] : 0);
+	const Sequence *seq = control_sequences + index;
+
+	if (!index && esc_state != ESnormal && cur_char) {
+		seq = escape_sequences + (cur_char < MAX_ESCAPE_CODE ? escape_map[esc_state][cur_char] : 0);
+	}
+
+	if (seq->action) (this->*(seq->action))();
+	if (seq->next != ESkeep) esc_state = seq->next;
+}
+
+void VTerm::update()
+{
+	if (!width) return;
+
+	// first perform scroll-copy
+	s32 mx = scroll_bot - scroll_top + 1;
+	if (pending_scroll && pending_scroll< mx && -pending_scroll < mx) {
+		u16 sy, dy, h;
+		if (pending_scroll < 0) {
+			sy = scroll_top;
+			dy = scroll_top - pending_scroll;
+			h = scroll_bot - scroll_top + pending_scroll + 1;
+		} else {
+			sy = scroll_top + pending_scroll;
+			dy = scroll_top;
+			h = scroll_bot - scroll_top - pending_scroll + 1;
+		}
+
+		if (!moveChars(0, sy, 0, dy, width, h)) {
+			for (; h--; dy++) {
+				if (dy >= height) break;
+				dirty_startx[dy] = 0;
+				dirty_endx[dy] = width - 1;
+			}
+		}
+	}
+	pending_scroll = 0;
+
+	for (u16 i = 0; i < height; i++) {
+		if (dirty_endx[i] >= dirty_startx[i]) {
+			requestUpdate(dirty_startx[i], i, dirty_endx[i] - dirty_startx[i] + 1, 1);
+			dirty_startx[i] = width;
+			dirty_endx[i] = 0;
+		}
+	}
+}
+
+void VTerm::draw_cursor()
+{
+	if (!mode(CursorVisible)) return;
+
+	u32 yp = linenumbers[cursor_y] * max_width + cursor_x;
+
+	CharAttr attr = attrs[yp];
+	attr.reverse ^= mode_flags.inverse_screen;
+
+	drawCursor(attr, cursor_x, cursor_y, text[yp]);
+}
+
+void VTerm::requestUpdate(u16 x, u16 y, u16 w, u16 h)
+{
+	expose(x, y, w, h);
+}
+
+void VTerm::expose(u16 x, u16 y, u16 w, u16 h)
+{
+	if (!width || !w || !h || x >= width || y >= height) return;
+
+	if (x + w > width) w = width - x;
+	if (y + h > height) h = height - y;
+
+	for (; h--; y++) {
+		u32 yp = get_line(y) * max_width;
+
+		u16 startx = x;
+		u16 endx = x + w - 1;
+
+		if (attrs[yp + startx].type == CharAttr::DoubleRight) startx--;
+		if (attrs[yp + endx].type == CharAttr::DoubleLeft) endx++;
+
+		CharAttr attr = attrs[yp + startx];
+		bool dws[width];
+		u16 codes[width], num = 0;
+		u16 cur, start = startx;
+
+		for (cur = startx; cur <= endx; cur++) {
+			if (attrs[yp + cur].type == CharAttr::DoubleRight) continue;
+
+			if (attrs[yp + cur] != attr) {
+				attr.reverse ^= mode_flags.inverse_screen;
+				drawChars(attr, start, y, cur - start, num, codes, dws);
+
+				num = 0;
+				start = cur;
+				attr = attrs[yp + cur];
+			}
+
+			dws[num] = (attrs[yp + cur].type != CharAttr::Single);
+			codes[num++] = text[yp + cur];
+		}
+
+		attr.reverse ^= mode_flags.inverse_screen;
+		drawChars(attr, start, y, cur - start, num, codes, dws);
+	}
+}
+
+void VTerm::inverse(u16 sx, u16 sy, u16 ex, u16 ey)
+{
+	if (sy > ey) return;
+	if (charAttr(sx, sy).type == CharAttr::DoubleRight) sx--;
+	if (charAttr(ex, ey).type == CharAttr::DoubleLeft) ex++;
+	if (sy == ey && sx > ex) return;
+
+	for (u16 y = sy; y <= ey; y++) {
+		u32 yp = get_line(y) * max_width;
+		u16 start = (y == sy) ? sx : 0;
+		u16 end = (y == ey) ? ex : (w() - 1);
+
+		for (u16 x = start; x <= end; x++) {
+			attrs[yp + x].reverse ^= 1;
+		}
+	}
+}
+
+void VTerm::scroll_region(u16 start_y, u16 end_y, s16 num)
+{
+	s32 y, takey, fast_scroll, mx, clr;
+	u16 temp[height];
+	u16 temp_sx[height], temp_ex[height];
+
+	if (!num) return;
+	if (end_y >= height) end_y = height - 1;
+	if (start_y > end_y) return;
+
+	mx = end_y-start_y+1;
+	if (num > mx) num = mx;
+	if (-num > mx) num = -mx;
+
+	if (start_y == 0 && num > 0) {
+		history_scroll(num);
+	}
+
+	fast_scroll = (start_y == scroll_top && end_y == scroll_bot);
+
+	if (fast_scroll) pending_scroll += num;
+
+	memcpy(temp, linenumbers, sizeof(temp));
+	if (fast_scroll) {
+		memcpy(temp_sx, dirty_startx, sizeof(temp_sx));
+		memcpy(temp_ex, dirty_endx, sizeof(temp_ex));
+	}
+
+	// move the lines by renumbering where they point to
+	if (num<mx && -num<mx) {
+		for (y=start_y; y<=end_y; y++) {
+			takey = y+num;
+			clr = (takey<start_y) || (takey>end_y);
+			if (takey<start_y) takey = end_y+1-(start_y-takey);
+			if (takey>end_y) takey = start_y-1+(takey-end_y);
+
+			linenumbers[y] = temp[takey];
+
+			if (!fast_scroll || clr) {
+				dirty_startx[y] = 0;
+				dirty_endx[y] = width-1;
+			} else {
+				dirty_startx[y] = temp_sx[takey];
+				dirty_endx[y] = temp_ex[takey];
+			}
+
+			if (clr) {
+				clear_area(0, y, width - 1, y);
+			}
+		}
+	}
+}
+
+void VTerm::shift_text(u16 y, u16 start_x, u16 end_x, s16 num)
+{
+	if (!num) return;
+
+	u32 yp = linenumbers[y]*max_width;
+
+	u16 mx = end_x-start_x+1;
+	if (num>mx)	num = mx;
+	if (-num>mx) num = -mx;
+
+	if (num<mx && -num<mx) {
+		if (num<0) {
+			memmove(text+yp+start_x, text+yp+start_x-num, sizeof(*text) * (mx+num));
+			memmove(attrs+yp+start_x, attrs+yp+start_x-num, sizeof(*attrs) * (mx+num));
+		} else {
+			memmove(text+yp+start_x+num, text+yp+start_x, sizeof(*text) * (mx-num));
+			memmove(attrs+yp+start_x+num, attrs+yp+start_x, sizeof(*attrs) * (mx-num));
+		}
+	}
+
+	u16 x = (num < 0) ? (num + end_x + 1) : start_x;
+	if (num < 0) num = -num;
+	for (; num--; x++) {
+		text[yp + x] = ' ';
+		attrs[yp + x] = erase_char_attr();
+	}
+
+	changed_line(y, start_x, end_x);
+}
+
+void VTerm::clear_area(u16 start_x, u16 start_y, u16 end_x, u16 end_y)
+{
+	if (start_x >= width || start_y >= height) return;
+	if (end_x >= width) end_x = width - 1;
+	if (end_y >= height) end_y = height - 1;
+	if (start_x > end_x || start_y > end_y) return;
+
+	u16 x, y;
+	u32 yp;
+	for (y=start_y; y<=end_y; y++) {
+		yp = linenumbers[y]*max_width;
+		for (x=start_x; x<=end_x; x++) {
+			text[yp+x]= ' ';
+			attrs[yp+x] = erase_char_attr();
+		}
+		changed_line(y, start_x, end_x);
+	}
+}
+
+void VTerm::changed_line(u16 y, u16 start_x, u16 end_x)
+{
+	if (y >= height) return;
+
+	if (start_x >= width) start_x = width - 1;
+	if (end_x >= width) end_x = width - 1;
+
+	if (dirty_startx[y] > start_x) dirty_startx[y] = start_x;
+	if (dirty_endx[y] < end_x) dirty_endx[y] = end_x;
+}
+
+void VTerm::move_cursor(u16 x, u16 y)
+{
+	if (x>=width) x = width-1;
+	if (y>=height) y = height-1;
+	cursor_x = x;
+	cursor_y = y;
+}
+
+u16 VTerm::mode(ModeType type)
+{
+	u16 ret = false;
+	switch (type) {
+	case AutoRepeatKey:
+		ret = mode_flags.autorepeat_key;
+		break;
+	case ApplicKeypad:
+		ret = mode_flags.applic_keypad;
+		break;
+	case MouseReport:
+		ret = mode_flags.mouse_report;
+		break;
+	case CursorShape:
+		ret = mode_flags.cursor_shape;
+		break;
+	case CursorKeyEscO:
+		ret = mode_flags.cursorkey_esco;
+		break;
+	case CRWithLF:
+		ret = mode_flags.crlf;
+		break;
+	case CursorVisible:
+		ret = mode_flags.cursor_visible && (visual_start_line == total_history_lines());
+		break;
+	default:
+		break;
+	}
+
+	return ret;
+}
+
+void VTerm::history_scroll(u16 num)
+{
+	if (!history_lines) return;
+
+	u32 yp, yp_history;
+	for (u16 i = 0; i < num; i++) {
+		yp = linenumbers[i] * max_width;
+		yp_history = history_save_line * max_width;
+		memcpy(&text[yp_history], &text[yp], sizeof(*text) * width);
+		memcpy(&attrs[yp_history], &attrs[yp], sizeof(*attrs) * width);
+
+		if (width < max_width) {
+			for (u16 i = width; i < max_width; i++) {
+				text[yp_history + i] = ' ';
+				attrs[yp_history + i] = default_char_attr;
+			}
+		}
+
+		history_save_line++;
+		if (history_save_line == history_lines) {
+			history_save_line = 0;
+			if (!history_full) history_full = true;
+		}
+	}
+
+	visual_start_line = total_history_lines();
+	historyChanged(visual_start_line, total_history_lines());
+}
+
+void VTerm::historyDisplay(bool absolute, s32 num)
+{
+	if (!history_lines || (absolute && num == (s32)visual_start_line) || (!absolute && !num)) return;
+
+	u32 bak_line = visual_start_line;
+
+	if (absolute) {
+		visual_start_line = num;
+	} else {
+		if ((s32)visual_start_line < -num) visual_start_line = 0;
+		else visual_start_line += num;
+	}
+
+	if (visual_start_line > total_history_lines()) visual_start_line = total_history_lines();
+	if (visual_start_line == bak_line) return;
+
+	modeChanged(CursorVisible);
+
+	bool accel_scroll = false;
+
+	u32 scroll_lines = (visual_start_line > bak_line) ? (visual_start_line - bak_line) : (bak_line - visual_start_line);
+	if (scroll_lines < height) {
+		u16 sy, dy, updatey;
+
+		if (visual_start_line > bak_line) {
+			sy = scroll_lines;
+			dy = 0;
+			updatey = height - scroll_lines;
+		} else {
+			sy = 0;
+			dy = scroll_lines;
+			updatey = 0;
+		}
+
+		accel_scroll = moveChars(0, sy, 0, dy, width, height - scroll_lines);
+		if (accel_scroll) {
+			requestUpdate(0, updatey, width, scroll_lines);
+		}
+	}
+
+	if (!accel_scroll) {
+		requestUpdate(0, 0, width, height);
+	}
+
+	draw_cursor();
+}
+
+u16 VTerm::get_line(u16 y)
+{
+	if (y > height) y = height;
+	u16 line = visual_start_line + y;
+
+	if (line >= total_history_lines()) return linenumbers[line - total_history_lines()];
+
+	return ((history_full ? history_save_line : 0) + line) % history_lines;
+}
diff --git a/src/lib/vterm.h b/src/lib/vterm.h
new file mode 100644
index 0000000..32ffd2a
--- /dev/null
+++ b/src/lib/vterm.h
@@ -0,0 +1,276 @@
+/*
+ *   Copyright © 2008-2010 dragchan <zgchan317@gmail.com>
+ *   This file is part of FbTerm.
+ *   based on GTerm by Timothy Miller <tim@techsource.com>
+ *
+ *   This program is free software; you can redistribute it and/or
+ *   modify it under the terms of the GNU General Public License
+ *   as published by the Free Software Foundation; either version 2
+ *   of the License, or (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+
+#ifndef VTERM_H
+#define VTERM_H
+
+#include "type.h"
+
+class VTerm {
+public:
+	struct CharAttr {
+		typedef enum { Single = 0, DoubleLeft, DoubleRight } CharType;
+
+		bool operator != (const CharAttr a) {
+			return fcolor != a.fcolor || bcolor != a.bcolor || intensity != a.intensity
+				|| italic != a.italic || underline != a.underline || blink != a.blink || reverse != a.reverse;
+		}
+
+		u16 fcolor : 8;
+		u16 bcolor : 8;
+		u16 intensity : 2; // 0 = half-bright, 1 = normal, 2 = bold
+		u16 italic : 1;
+		u16 underline : 1;
+		u16 blink : 1;
+		u16 reverse : 1;
+		u16 type : 2;
+	};
+
+	typedef enum {
+		MouseNone, MouseX11, MouseX10,
+	} MouseReportType;
+
+	typedef enum {
+		CurDefault, CurNone, CurUnderline, CurLowerThird, CurLowerHalf, CurTwoThirds, CurBlock,
+	} CursorType;
+
+	typedef enum {
+		CursorVisible = 1,
+		CursorShape = 2,
+		MouseReport = 4,
+		CursorKeyEscO = 8,
+		AutoRepeatKey = 16,
+		ApplicKeypad = 32,
+		CRWithLF = 64,
+		AllModes = 0xff,
+	} ModeType;
+
+	typedef enum {
+		Bell, BellFrequencySet, BellDurationSet,
+		PaletteSet, PaletteClear,
+		Blank, Unblank,
+		LedSet, LedClear,
+		VcSwitch, VesaPowerIntervalSet,
+	} RequestType;
+
+	VTerm(u16 w = 0, u16 h = 0);
+	virtual ~VTerm();
+
+	u16 w() { return width; }
+	u16 h() { return height; }
+	void historyDisplay(bool absolute, s32 num);
+	u16 mode(ModeType type);
+	void resize(u16 w, u16 h);
+	void input(const u8 *buf, u32 count);
+	void expose(u16 x, u16 y, u16 w, u16 h);
+	void inverse(u16 sx, u16 sy, u16 ex, u16 ey);
+
+	u16 charCode(u16 x, u16 y) { return text[get_line(y) * max_width + x]; }
+	CharAttr charAttr(u16 x, u16 y) { return attrs[get_line(y) * max_width + x]; }
+
+	static s32 charWidth(u32 ucs);
+
+protected:
+	virtual void drawChars(CharAttr attr, u16 x, u16 y, u16 w, u16 num, u16 *chars, bool *dws) = 0;
+	virtual bool moveChars(u16 sx, u16 sy, u16 dx, u16 dy, u16 w, u16 h) { return false; }
+	virtual void drawCursor(CharAttr attr, u16 x, u16 y, u16 c) {}
+	virtual void sendBack(const s8 *data) {}
+	virtual void modeChanged(ModeType type) {}
+	virtual void historyChanged(u32 cur, u32 total) {}
+	virtual void request(RequestType type, u32 val = 0) {}
+	virtual void requestUpdate(u16 x, u16 y, u16 w, u16 h);
+
+private:
+	// utility functions
+	void do_normal_char();
+	void do_control_char();
+	void scroll_region(u16 start_y, u16 end_y, s16 num);	// does clear
+	void shift_text(u16 y, u16 start_x, u16 end_x, s16 num); // ditto
+	void clear_area(u16 start_x, u16 start_y, u16 end_x, u16 end_y);
+	void changed_line(u16 y, u16 start_x, u16 end_x);
+	void move_cursor(u16 x, u16 y);
+	void update();
+	void draw_cursor();
+	u16 get_line(u16 y);
+	u16 total_history_lines() { return history_full ? history_lines : history_save_line; }
+
+	// terminal actions
+	void set_q_mode();
+	void clear_param();
+	void param_digit();
+	void next_param();
+
+	// non-printing characters
+	void cr(), lf(), bell(), tab(), bs();
+
+	// escape sequence actions
+	void reset();
+	void keypad_numeric();
+	void keypad_application();
+	void save_cursor();
+	void restore_cursor();
+	void set_tab();
+	void clear_tab();
+	void index_down();
+	void index_up();
+	void next_line();
+	void cursor_left();
+	void cursor_right();
+	void cursor_up();
+	void cursor_down();
+	void cursor_up_cr();
+	void cursor_down_cr();
+	void cursor_position();
+	void cursor_position_col();
+	void cursor_position_row();
+	void insert_char();
+	void delete_char();
+	void erase_char();
+	void insert_line();
+	void delete_line();
+	void erase_line();
+	void erase_display();
+	void screen_align();
+	void set_margins();
+	void respond_id();
+	void status_report();
+	void set_mode();
+	void clear_mode();
+	void enable_mode(bool);
+	void set_display_attr();
+	void set_utf8();
+	void clear_utf8();
+	void active_g0();
+	void active_g1();
+	void current_is_g0();
+	void current_is_g1();
+	void set_charset();
+	u32 translate_char(u32);
+	void set_cursor_type();
+	void linux_specific();
+	void begin_set_palette();
+	void set_palette();
+	void reset_palette();
+	void set_led();
+	void fbterm_specific();
+
+	CharAttr normal_char_attr();
+	CharAttr erase_char_attr();
+
+	//history
+	void history_scroll(u16 num);
+
+	static void init_state();
+	static u16 init_history_lines();
+	static u8 init_default_color(bool foreground);
+	static bool init_ambiguous_wide();
+
+	typedef enum {
+		ESnormal = 0, ESesc, ESsquare, ESnonstd, ESpercent, EScharset, EShash, ESfunckey, ESkeep
+	} EscapeState;
+
+	EscapeState esc_state;
+
+	typedef void (VTerm::*ActionFunc)();
+	struct Sequence {
+		u16 code;
+		ActionFunc action;
+		EscapeState next;
+	};
+
+	static const Sequence control_sequences[], escape_sequences[];
+
+	#define NR_STATES ESkeep
+	#define MAX_CONTROL_CODE 256
+	#define MAX_ESCAPE_CODE 128
+
+	static u8 control_map[MAX_CONTROL_CODE], escape_map[NR_STATES][MAX_ESCAPE_CODE];
+
+	//utf8 parse
+	u16 utf8_count;
+	u32 cur_char;
+
+	//treat cjk ambiguous width characters as wide
+	static bool ambiguous_wide;
+
+	//charset
+
+	typedef enum { Lat1Map = 0, GrafMap, IbmpcMap, UserMap } CharsetMap;
+
+	bool utf8;
+	bool g0_is_current;
+	bool g0_is_active, s_g0_is_active;
+	CharsetMap charset;
+	CharsetMap g0_charset, g1_charset;
+	CharsetMap s_g0_charset, s_g1_charset;
+
+	// terminal info
+	u16 *text;
+	CharAttr *attrs;
+	s8 *tab_stops;
+	u16 *linenumbers;
+	u16 *dirty_startx, *dirty_endx;
+	u16 width, height, max_width, max_height;
+	u16 scroll_top, scroll_bot;
+	s32 pending_scroll; // >0 means scroll up
+
+	// terminal state
+	struct ModeFlag {
+		ModeFlag();
+
+		u16 toggle_meta : 1;
+		u16 inverse_screen : 1;
+
+		u16 display_ctrl : 1;
+		u16 crlf : 1;
+		u16 auto_wrap : 1;
+		u16 insert_mode : 1;
+		u16 cursor_visible : 1;
+		u16 cursor_relative : 1;
+		u16 col_132 : 1;
+
+		u16 applic_keypad : 1;
+		u16 autorepeat_key : 1;
+		u16 cursorkey_esco : 1;
+		u16 mouse_report : 2;
+		u16 cursor_shape : 3;
+	} mode_flags;
+
+	u16 cursor_x, cursor_y, s_cursor_x, s_cursor_y;
+	CharAttr char_attr, s_char_attr;
+
+	static CharAttr default_char_attr;
+	u8 cur_fcolor, cur_bcolor;
+	s8 cur_underline_color, cur_halfbright_color;
+
+	// action parameters
+	#define NPAR 16
+	u16 npar, param[NPAR];
+	bool q_mode, palette_mode;
+
+	//history
+	static u16 history_lines;
+	bool history_full;
+	u32 history_save_line, visual_start_line;
+};
+
+#endif
diff --git a/src/lib/vterm_action.cpp b/src/lib/vterm_action.cpp
new file mode 100644
index 0000000..c1cbe05
--- /dev/null
+++ b/src/lib/vterm_action.cpp
@@ -0,0 +1,702 @@
+/*
+ *   Copyright © 2008-2010 dragchan <zgchan317@gmail.com>
+ *   This file is part of FbTerm.
+ *   based on GTerm by Timothy Miller <tim@techsource.com>
+ *
+ *   This program is free software; you can redistribute it and/or
+ *   modify it under the terms of the GNU General Public License
+ *   as published by the Free Software Foundation; either version 2
+ *   of the License, or (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include <string.h>
+#include <stdio.h>
+#include "vterm.h"
+
+void VTerm::cr()
+{
+	move_cursor(0, cursor_y);
+}
+
+void VTerm::lf()
+{
+	if (cursor_y < scroll_bot) move_cursor(cursor_x, cursor_y + 1);
+	else scroll_region(scroll_top, scroll_bot, 1);
+
+	if (mode_flags.crlf) cr();
+}
+
+void VTerm::bs()
+{
+	if (cursor_x) move_cursor(cursor_x - 1, cursor_y);
+}
+
+void VTerm::bell()
+{
+	request(Bell);
+}
+
+void VTerm::tab()
+{
+	u16 x = 0;
+
+	for (u16 i=cursor_x + 1; i < width; i++) {
+		s8 a = tab_stops[i/8];
+		if (a && (a & (1 << (i % 8)))) {
+			x = i;
+			break;
+		}
+	}
+
+	if (!x) x = (cursor_x + 8) & -8;
+
+	if (x < width) move_cursor(x, cursor_y);
+	else move_cursor(width - 1, cursor_y);
+}
+
+void VTerm::set_tab()
+{
+	tab_stops[cursor_x / 8] |=  (1 << (cursor_x % 8));
+}
+
+void VTerm::clear_tab()
+{
+	if (param[0] == 3) {
+		memset(tab_stops, 0, max_width / 8 + 1);
+	} else if (param[0] == 0) {
+		tab_stops[cursor_x / 8] &= ~(1 << (cursor_x % 8));
+	}
+}
+
+void VTerm::param_digit()
+{
+	param[npar] = param[npar] * 10 + cur_char - '0';
+}
+
+void VTerm::next_param()
+{
+	if (npar < NPAR - 1) npar++;
+}
+
+void VTerm::clear_param()
+{
+	q_mode = 0;
+	palette_mode = 0;
+	npar = 0;
+	memset(param, 0, sizeof(param));
+}
+
+void VTerm::save_cursor()
+{
+	s_g0_charset = g0_charset;
+	s_g1_charset = g1_charset;
+	s_g0_is_active = g0_is_active;
+
+	s_cursor_x = cursor_x;
+	s_cursor_y = cursor_y;
+	s_char_attr = char_attr;
+}
+
+void VTerm::restore_cursor()
+{
+	g0_charset = s_g0_charset;
+	g1_charset = s_g1_charset;
+	g0_is_active = s_g0_is_active;
+	charset = (g0_is_active ? g0_charset : g1_charset);
+
+	char_attr = s_char_attr;
+	move_cursor(s_cursor_x, s_cursor_y);
+}
+
+void VTerm::next_line()
+{
+	lf();
+	cr();
+}
+
+void VTerm::index_down()
+{
+	lf();
+}
+
+void VTerm::index_up()
+{
+	if (cursor_y > scroll_top) move_cursor(cursor_x, cursor_y - 1);
+	else scroll_region(scroll_top, scroll_bot, -1);
+}
+
+void VTerm::cursor_left()
+{
+	u16 n, x;
+
+	n = param[0];
+	if (n < 1) n = 1;
+
+	if (cursor_x < n) x = 0;
+	else x = cursor_x - n;
+
+	move_cursor(x, cursor_y);
+}
+
+void VTerm::cursor_right()
+{
+	u16 n, x;
+
+	n = param[0];
+	if (n < 1) n = 1;
+
+	x = cursor_x + n;
+	if (x >= width) x = width - 1;
+
+	move_cursor(x, cursor_y);
+}
+
+void VTerm::cursor_up()
+{
+	u16 n, y;
+
+	n = param[0];
+	if (n < 1) n = 1;
+
+	if (cursor_y < n) y = 0;
+	else y = cursor_y - n;
+
+	move_cursor(cursor_x, y);
+}
+
+void VTerm::cursor_down()
+{
+	u16 n, y;
+
+	n = param[0];
+	if (n < 1) n = 1;
+
+	y = cursor_y + n;
+	if (y >= height) y = height - 1;
+
+	move_cursor(cursor_x, y);
+}
+
+void VTerm::cursor_up_cr()
+{
+	u16 n, y;
+
+	n = param[0];
+	if (n < 1) n = 1;
+
+	if (cursor_y < n) y = 0;
+	else y = cursor_y - n;
+
+	move_cursor(0, y);
+}
+
+void VTerm::cursor_down_cr()
+{
+	u16 n, y;
+
+	n = param[0];
+	if (n < 1) n = 1;
+
+	y = cursor_y + n;
+	if (y >= height) y = height - 1;
+
+	move_cursor(0, y);
+}
+
+void VTerm::cursor_position()
+{
+	u16 x, y;
+
+	x = param[1];
+	if (x < 1) x = 1;
+
+	y = param[0];
+	if (y < 1) y = 1;
+
+	move_cursor(x - 1, y - 1 + (mode_flags.cursor_relative ? scroll_top : 0));
+}
+
+void VTerm::cursor_position_col()
+{
+	u16 x = param[0];
+	if (x < 1) x = 1;
+
+	move_cursor(x-1, cursor_y);
+}
+
+void VTerm::cursor_position_row()
+{
+	u16 y = param[0];
+	if (y < 1) y = 1;
+
+	move_cursor(cursor_x, y-1);
+}
+
+void VTerm::insert_char()
+{
+	u16 n, mx;
+
+	n = param[0];
+	if (n < 1) n = 1;
+
+	mx = width - cursor_x;
+
+	if (n >= mx) clear_area(cursor_x, cursor_y, width - 1, cursor_y);
+	else shift_text(cursor_y, cursor_x, width - 1, n);
+}
+
+void VTerm::delete_char()
+{
+	u16 n, mx;
+	n = param[0];
+	if (n < 1) n = 1;
+
+	mx = width - cursor_x;
+
+	if (n >= mx) clear_area(cursor_x, cursor_y, width - 1, cursor_y);
+	else shift_text(cursor_y, cursor_x, width - 1, -n);
+}
+
+void VTerm::erase_char()
+{
+	u16 n, mx;
+
+	n = param[0];
+	if (n < 1) n = 1;
+
+	mx = width - cursor_x;
+	if (n > mx) n = mx;
+
+	clear_area(cursor_x, cursor_y, cursor_x + n - 1, cursor_y);
+}
+
+void VTerm::insert_line()
+{
+	u16 n, mx;
+
+	n = param[0];
+	if (n < 1) n = 1;
+
+	mx = scroll_bot - cursor_y + 1;
+
+	if (n >= mx) clear_area(0, cursor_y, width - 1, scroll_bot);
+	else scroll_region(cursor_y, scroll_bot, -n);
+}
+
+void VTerm::delete_line()
+{
+	u16 n, mx;
+
+	n = param[0];
+	if (n < 1) n = 1;
+
+	mx = scroll_bot - cursor_y + 1;
+
+	if (n >= mx) clear_area(0, cursor_y, width - 1, scroll_bot);
+	else scroll_region(cursor_y, scroll_bot, n);
+}
+
+void VTerm::erase_line()
+{
+	switch (param[0]) {
+	case 0:
+		clear_area(cursor_x, cursor_y, width - 1, cursor_y);
+		break;
+	case 1:
+		clear_area(0, cursor_y, cursor_x, cursor_y);
+		break;
+	case 2:
+		clear_area(0, cursor_y, width - 1, cursor_y);
+		break;
+	}
+}
+
+void VTerm::erase_display()
+{
+	switch (param[0]) {
+	case 0:
+		clear_area(cursor_x, cursor_y, width - 1, cursor_y);
+		if (cursor_y < height - 1) clear_area(0, cursor_y + 1, width - 1, height - 1);
+		break;
+	case 1:
+		clear_area(0, cursor_y, cursor_x, cursor_y);
+		if (cursor_y > 0) clear_area(0, 0, width - 1, cursor_y - 1);
+		break;
+	case 2:
+		clear_area(0, 0, width - 1, height - 1);
+		break;
+	}
+}
+
+void VTerm::screen_align()
+{
+	for (u16 y = 0; y < height; y++) {
+		u32 yp = linenumbers[y] * max_width;
+		changed_line(y, 0, width - 1);
+
+		for (u16 x = 0; x < width; x++) {
+			text[yp + x] = 'E';
+			attrs[yp + x] = normal_char_attr();
+		}
+	}
+}
+
+void VTerm::set_margins()
+{
+	u16 t, b;
+
+	t = param[0];
+	if (t < 1) t = 1;
+
+	b = param[1];
+	if (b < 1 || b > height) b = height;
+
+	if (pending_scroll) update();
+
+	scroll_top = t - 1;
+	scroll_bot = b - 1;
+	if (cursor_y < scroll_top) move_cursor(cursor_x, scroll_top);
+	if (cursor_y > scroll_bot) move_cursor(cursor_x, scroll_bot);
+}
+
+void VTerm::respond_id()
+{
+	sendBack("\e[?6c"); // response 'I'm a VT102'
+}
+
+void VTerm::status_report()
+{
+	if (param[0] == 5) { // device status report
+		sendBack("\e[0n"); // response 'Terminal OK'
+	} else if (param[0] == 6) { // cursor position report
+		s8 str[32];
+		snprintf(str, sizeof(str), "\e[%d;%dR", cursor_y + 1, cursor_x + 1);
+		sendBack(str);
+	}
+}
+
+void VTerm::keypad_numeric()
+{
+	mode_flags.applic_keypad = false;
+	modeChanged(ApplicKeypad);
+}
+
+void VTerm::keypad_application()
+{
+	mode_flags.applic_keypad = true;
+	modeChanged(ApplicKeypad);
+}
+
+void VTerm::enable_mode(bool enable)
+{
+	switch (param[0] + 1000 * q_mode) {
+	case 3:
+		mode_flags.display_ctrl = enable;
+		break;
+	case 4:
+		mode_flags.insert_mode = enable;
+		break;
+	case 20: // auto echo cr with lf
+		mode_flags.crlf = enable;
+		modeChanged(CRWithLF);
+		break;
+	case 1001 :
+		mode_flags.cursorkey_esco = enable;
+		modeChanged(CursorKeyEscO);
+		break;
+	case 1003 :
+		mode_flags.col_132 = enable;
+		break;
+	case 1005 :
+		mode_flags.inverse_screen = enable;
+		for (u16 i = 0; i < height; i++) {
+			changed_line(i, 0, width - 1);
+		}
+		break;
+	case 1006 :
+		mode_flags.cursor_relative = enable;
+		break;
+	case 1007 :
+		mode_flags.auto_wrap = enable;
+		break;
+	case 1008 :
+		mode_flags.autorepeat_key = enable;
+		modeChanged(AutoRepeatKey);
+		break;
+	case 1009 :
+		mode_flags.mouse_report = (enable ? MouseX10 : MouseNone);
+		modeChanged(MouseReport);
+		break;
+	case 1025 :
+		mode_flags.cursor_visible = enable;
+		modeChanged(CursorVisible);
+		break;
+	case 2000 :
+		mode_flags.mouse_report = (enable ? MouseX11 : MouseNone);
+		modeChanged(MouseReport);
+		break;
+	default:
+		break;
+	}
+}
+
+void VTerm::set_mode()
+{
+	enable_mode(true);
+}
+
+void VTerm::clear_mode()
+{
+	enable_mode(false);
+}
+
+void VTerm::set_display_attr()
+{
+	for (u16 n = 0; n <= npar; n++) {
+		switch (param[n]) {
+		case 0:
+			char_attr = default_char_attr;
+			break;
+		case 1:
+			char_attr.intensity = 2;
+			break;
+		case 2:
+			char_attr.intensity = 0;
+			break;
+		case 3:
+			char_attr.italic = true;
+			break;
+		case 4:
+			char_attr.underline = true;
+			break;
+		case 5:
+			char_attr.blink = true;
+			break;
+		case 7:
+			char_attr.reverse = true;
+			break;
+		case 10:
+			charset = (g0_is_active ? g0_charset : g1_charset);
+			mode_flags.display_ctrl = false;
+			mode_flags.toggle_meta = false;
+			break;
+		case 11:
+			charset = IbmpcMap;
+			mode_flags.display_ctrl = true;
+			mode_flags.toggle_meta = false;
+			break;
+		case 12:
+			charset = IbmpcMap;
+			mode_flags.display_ctrl = true;
+			mode_flags.toggle_meta = true;
+			break;
+		case 21:
+		case 22:
+			char_attr.intensity = 1;
+			break;
+		case 23:
+			char_attr.italic = false;
+			break;
+		case 24:
+			char_attr.underline = false;
+			break;
+		case 25:
+			char_attr.blink = false;
+			break;
+		case 27:
+			char_attr.reverse = false;
+			break;
+		case 30 ... 37:
+			char_attr.fcolor = param[n] % 10;
+			break;
+		case 38:
+			char_attr.fcolor = cur_fcolor;
+			char_attr.underline = true;
+			break;
+		case 39:
+			char_attr.fcolor = cur_fcolor;
+			char_attr.underline = false;
+			break;
+		case 40 ... 47:
+			char_attr.bcolor = param[n] % 10;
+			break;
+		case 49:
+			char_attr.bcolor = cur_bcolor;
+			break;
+		default :
+			break;
+		}
+	}
+}
+
+void VTerm::set_q_mode()
+{
+	q_mode = 1;
+}
+
+void VTerm::set_cursor_type()
+{
+	if (q_mode) {
+		mode_flags.cursor_shape = param[0];
+		modeChanged(CursorShape);
+	} else if (!param[0]) {
+		respond_id();
+	}
+}
+
+void VTerm::set_utf8()
+{
+	utf8 = true;
+}
+
+void VTerm::clear_utf8()
+{
+	utf8 = false;
+}
+
+void VTerm::set_charset()
+{
+	CharsetMap &m = (g0_is_current ? g0_charset : g1_charset);
+
+	switch (cur_char) {
+	case '0':
+		m = Lat1Map;
+		break;
+	case 'B':
+		m = GrafMap;
+		break;
+	case 'U':
+		m = IbmpcMap;
+		break;
+	case 'K':
+		m = UserMap;
+		break;
+	default:
+		break;
+	}
+}
+
+void VTerm::active_g0()
+{
+	charset = g0_charset;
+	g0_is_active = true;
+	mode_flags.display_ctrl = false;
+}
+
+void VTerm::active_g1()
+{
+	charset = g1_charset;
+	g0_is_active = false;
+	mode_flags.display_ctrl = true;
+}
+
+void VTerm::current_is_g0()
+{
+	g0_is_current = true;
+}
+
+void VTerm::current_is_g1()
+{
+	g0_is_current = false;
+}
+
+void VTerm::linux_specific()
+{
+	switch (param[0]) {
+	case 1:
+		if (param[1] < 8) cur_underline_color = param[1];
+		break;
+	case 2:
+		if (param[1] < 8) cur_halfbright_color = param[1];
+		break;
+	case 8:
+		cur_fcolor = char_attr.fcolor;
+		cur_bcolor = char_attr.bcolor;
+		break;
+	case 9:
+		request(Blank, param[1]);
+		break;
+	case 10:
+		request(BellFrequencySet, param[1]);
+		break;
+	case 11:
+		request(BellDurationSet,  param[1]);
+		break;
+	case 12:
+		request(VcSwitch, param[1]);
+		break;
+	case 13:
+		request(Unblank);
+		break;
+	case 14:
+		request(VesaPowerIntervalSet,  param[1]);
+		break;
+	default:
+		break;
+	}
+}
+
+void VTerm::begin_set_palette()
+{
+	if (palette_mode || npar) esc_state = ESnormal;
+	else palette_mode = true;
+}
+
+void VTerm::set_palette()
+{
+	if (palette_mode) {
+		param[npar++] = (cur_char >= 'a' ? (cur_char - 'a' + 10) : (cur_char >= 'A' ? (cur_char - 'A' + 10) : (cur_char - '0')));
+
+		if (npar != 7) return;
+
+		u32 val = 0;
+		for (u32 i = 0; i < 7; i++) {
+			val <<= 4;
+			val |= param[i];
+		}
+
+		request(PaletteSet, val);
+	}
+
+	esc_state = ESnormal;
+}
+
+void VTerm::reset_palette()
+{
+	request(PaletteClear);
+}
+
+void VTerm::set_led()
+{
+	request(param[0] ? LedSet : LedClear,  param[0]);
+}
+
+void VTerm::fbterm_specific()
+{
+	switch (param[0]) {
+	case 1:
+		if (npar == 1) char_attr.fcolor = param[1];
+		break;
+
+	case 2:
+		if (npar == 1) char_attr.bcolor = param[1];
+		break;
+
+	case 3:
+		if (npar == 4) request(PaletteSet, ((param[1] & 0xff) << 24) | ((param[2] & 0xff) << 16) | ((param[3] & 0xff) << 8) | (param[4] & 0xff));
+		break;
+
+	default:
+		break;
+	}
+}
diff --git a/src/lib/vterm_states.cpp b/src/lib/vterm_states.cpp
new file mode 100644
index 0000000..49e7588
--- /dev/null
+++ b/src/lib/vterm_states.cpp
@@ -0,0 +1,136 @@
+/*
+ *   Copyright © 2008-2010 dragchan <zgchan317@gmail.com>
+ *   This file is part of FbTerm.
+ *   based on GTerm by Timothy Miller <tim@techsource.com>
+ *
+ *   This program is free software; you can redistribute it and/or
+ *   modify it under the terms of the GNU General Public License
+ *   as published by the Free Software Foundation; either version 2
+ *   of the License, or (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include "vterm.h"
+
+#define ADDSAME(len) ((len) << 8)
+
+const VTerm::Sequence VTerm::control_sequences[] = {
+	{ 0,	0,	ESkeep },
+	{ 7,	&VTerm::bell,	ESkeep },
+	{ 8,	&VTerm::bs,		ESkeep },
+	{ 9,	&VTerm::tab,	ESkeep },
+	{ 0xA,	&VTerm::lf,	ESkeep },
+	{ 0xB,	&VTerm::lf,	ESkeep },
+	{ 0xC,	&VTerm::lf,	ESkeep },
+	{ 0xD,	&VTerm::cr,	ESkeep },
+	{ 0xE,	&VTerm::active_g1,	ESkeep },
+	{ 0xF,	&VTerm::active_g0,	ESkeep },
+	{ 0x18, 0,	ESnormal },
+	{ 0x1A, 0,	ESnormal },
+	{ 0x1B, 0,	ESesc },
+	{ 0x7F, 0,	ESkeep },
+	{ 0x9B, 0,	ESsquare },
+	{ -1}
+};
+
+const VTerm::Sequence VTerm::escape_sequences[] = {
+	{   0, 0, ESnormal },
+
+	// ESnormal
+	{ -1 },
+
+	// ESesc
+	{ '[', &VTerm::clear_param,	ESsquare },
+	{ ']', &VTerm::clear_param,	ESnonstd },
+	{ '%', 0,	ESpercent },
+	{ '#', 0,	EShash },
+	{ '(', &VTerm::current_is_g0,	EScharset },
+	{ ')', &VTerm::current_is_g1,	EScharset },
+	{ 'c', &VTerm::reset,		ESnormal },
+	{ 'D', &VTerm::index_down,	ESnormal },
+	{ 'E', &VTerm::next_line,	ESnormal },
+	{ 'H', &VTerm::set_tab,		ESnormal },
+	{ 'M', &VTerm::index_up,	ESnormal },
+	{ 'Z', &VTerm::respond_id,	ESnormal },
+	{ '7', &VTerm::save_cursor,	ESnormal },
+	{ '8', &VTerm::restore_cursor,	ESnormal },
+	{ '>', &VTerm::keypad_numeric,	ESnormal },
+	{ '=', &VTerm::keypad_application,	ESnormal },
+	{ -1 },
+
+	// ESsquare
+	{ '[', 0,	ESfunckey },
+	{ '?', &VTerm::set_q_mode,	ESkeep },
+	{ '0' | ADDSAME(9), &VTerm::param_digit,	ESkeep },
+	{ ';', &VTerm::next_param,	ESkeep },
+	{ '@', &VTerm::insert_char,	ESnormal },
+	{ 'A', &VTerm::cursor_up,	ESnormal },
+	{ 'B', &VTerm::cursor_down,	ESnormal },
+	{ 'C', &VTerm::cursor_right,ESnormal },
+	{ 'D', &VTerm::cursor_left,	ESnormal },
+	{ 'E', &VTerm::cursor_down_cr, ESnormal },
+	{ 'F', &VTerm::cursor_up_cr, ESnormal },
+	{ 'G', &VTerm::cursor_position_col,	ESnormal },
+	{ 'H', &VTerm::cursor_position,	ESnormal },
+	{ 'J', &VTerm::erase_display,	ESnormal },
+	{ 'K', &VTerm::erase_line,	ESnormal },
+	{ 'L', &VTerm::insert_line, ESnormal },
+	{ 'M', &VTerm::delete_line,	ESnormal },
+	{ 'P', &VTerm::delete_char,	ESnormal },
+	{ 'X', &VTerm::erase_char,	ESnormal },
+	{ 'a', &VTerm::cursor_right,ESnormal },
+	{ 'c', &VTerm::set_cursor_type,	ESnormal },
+	{ 'd', &VTerm::cursor_position_row, ESnormal },
+	{ 'e', &VTerm::cursor_down,	ESnormal },
+	{ 'f', &VTerm::cursor_position,	ESnormal },
+	{ 'g', &VTerm::clear_tab,	ESnormal },
+	{ 'h', &VTerm::set_mode,	ESnormal },
+	{ 'l', &VTerm::clear_mode,	ESnormal },
+	{ 'm', &VTerm::set_display_attr,	ESnormal },
+	{ 'n', &VTerm::status_report,	ESnormal },
+	{ 'q', &VTerm::set_led, ESnormal },
+	{ 'r', &VTerm::set_margins,	ESnormal },
+	{ 's', &VTerm::save_cursor,	ESnormal },
+	{ 'u', &VTerm::restore_cursor,	ESnormal },
+	{ '`', &VTerm::cursor_position_col,	ESnormal },
+	{ ']', &VTerm::linux_specific, ESnormal },
+	{ '}', &VTerm::fbterm_specific, ESnormal },
+	{ -1 },
+
+	// ESnonstd
+	{ '0' | ADDSAME(9), &VTerm::set_palette,    ESkeep },
+	{ 'A' | ADDSAME(5), &VTerm::set_palette,    ESkeep },
+	{ 'a' | ADDSAME(5), &VTerm::set_palette,    ESkeep },
+	{ 'P', &VTerm::begin_set_palette, ESkeep },
+	{ 'R', &VTerm::reset_palette, ESnormal },
+	{ -1 },
+
+	// ESpercent
+	{ '@', &VTerm::clear_utf8,	ESnormal },
+	{ 'G', &VTerm::set_utf8,	ESnormal },
+	{ '8', &VTerm::set_utf8,	ESnormal },
+	{ -1 },
+
+	// EScharset
+	{ '0', &VTerm::set_charset, ESnormal },
+	{ 'B', &VTerm::set_charset, ESnormal },
+	{ 'U', &VTerm::set_charset, ESnormal },
+	{ 'K', &VTerm::set_charset, ESnormal },
+	{ -1 },
+
+	// EShash
+	{ '8', &VTerm::screen_align,	ESnormal },
+	{ -1 },
+
+	// ESfunckey
+	{ -1 },
+};
diff --git a/src/lib/wcwidth.cpp b/src/lib/wcwidth.cpp
new file mode 100644
index 0000000..235ac00
--- /dev/null
+++ b/src/lib/wcwidth.cpp
@@ -0,0 +1,318 @@
+/*
+ * This is an implementation of wcwidth() and wcswidth() (defined in
+ * IEEE Std 1002.1-2001) for Unicode.
+ *
+ * http://www.opengroup.org/onlinepubs/007904975/functions/wcwidth.html
+ * http://www.opengroup.org/onlinepubs/007904975/functions/wcswidth.html
+ *
+ * In fixed-width output devices, Latin characters all occupy a single
+ * "cell" position of equal width, whereas ideographic CJK characters
+ * occupy two such cells. Interoperability between terminal-line
+ * applications and (teletype-style) character terminals using the
+ * UTF-8 encoding requires agreement on which character should advance
+ * the cursor by how many cell positions. No established formal
+ * standards exist at present on which Unicode character shall occupy
+ * how many cell positions on character terminals. These routines are
+ * a first attempt of defining such behavior based on simple rules
+ * applied to data provided by the Unicode Consortium.
+ *
+ * For some graphical characters, the Unicode standard explicitly
+ * defines a character-cell width via the definition of the East Asian
+ * FullWidth (F), Wide (W), Half-width (H), and Narrow (Na) classes.
+ * In all these cases, there is no ambiguity about which width a
+ * terminal shall use. For characters in the East Asian Ambiguous (A)
+ * class, the width choice depends purely on a preference of backward
+ * compatibility with either historic CJK or Western practice.
+ * Choosing single-width for these characters is easy to justify as
+ * the appropriate long-term solution, as the CJK practice of
+ * displaying these characters as double-width comes from historic
+ * implementation simplicity (8-bit encoded characters were displayed
+ * single-width and 16-bit ones double-width, even for Greek,
+ * Cyrillic, etc.) and not any typographic considerations.
+ *
+ * Much less clear is the choice of width for the Not East Asian
+ * (Neutral) class. Existing practice does not dictate a width for any
+ * of these characters. It would nevertheless make sense
+ * typographically to allocate two character cells to characters such
+ * as for instance EM SPACE or VOLUME INTEGRAL, which cannot be
+ * represented adequately with a single-width glyph. The following
+ * routines at present merely assign a single-cell width to all
+ * neutral characters, in the interest of simplicity. This is not
+ * entirely satisfactory and should be reconsidered before
+ * establishing a formal standard in this area. At the moment, the
+ * decision which Not East Asian (Neutral) characters should be
+ * represented by double-width glyphs cannot yet be answered by
+ * applying a simple rule from the Unicode database content. Setting
+ * up a proper standard for the behavior of UTF-8 character terminals
+ * will require a careful analysis not only of each Unicode character,
+ * but also of each presentation form, something the author of these
+ * routines has avoided to do so far.
+ *
+ * http://www.unicode.org/unicode/reports/tr11/
+ *
+ * Markus Kuhn -- 2007-05-26 (Unicode 5.0)
+ *
+ * Permission to use, copy, modify, and distribute this software
+ * for any purpose and without fee is hereby granted. The author
+ * disclaims all warranties with regard to this software.
+ *
+ * Latest version: http://www.cl.cam.ac.uk/~mgk25/ucs/wcwidth.c
+ */
+
+#include <wchar.h>
+
+struct interval {
+  int first;
+  int last;
+};
+
+/* auxiliary function for binary search in interval table */
+static int bisearch(wchar_t ucs, const struct interval *table, int max) {
+  int min = 0;
+  int mid;
+
+  if (ucs < table[0].first || ucs > table[max].last)
+    return 0;
+  while (max >= min) {
+    mid = (min + max) / 2;
+    if (ucs > table[mid].last)
+      min = mid + 1;
+    else if (ucs < table[mid].first)
+      max = mid - 1;
+    else
+      return 1;
+  }
+
+  return 0;
+}
+
+
+/* The following two functions define the column width of an ISO 10646
+ * character as follows:
+ *
+ *    - The null character (U+0000) has a column width of 0.
+ *
+ *    - Other C0/C1 control characters and DEL will lead to a return
+ *      value of -1.
+ *
+ *    - Non-spacing and enclosing combining characters (general
+ *      category code Mn or Me in the Unicode database) have a
+ *      column width of 0.
+ *
+ *    - SOFT HYPHEN (U+00AD) has a column width of 1.
+ *
+ *    - Other format characters (general category code Cf in the Unicode
+ *      database) and ZERO WIDTH SPACE (U+200B) have a column width of 0.
+ *
+ *    - Hangul Jamo medial vowels and final consonants (U+1160-U+11FF)
+ *      have a column width of 0.
+ *
+ *    - Spacing characters in the East Asian Wide (W) or East Asian
+ *      Full-width (F) category as defined in Unicode Technical
+ *      Report #11 have a column width of 2.
+ *
+ *    - All remaining characters (including all printable
+ *      ISO 8859-1 and WGL4 characters, Unicode control characters,
+ *      etc.) have a column width of 1.
+ *
+ * This implementation assumes that wchar_t characters are encoded
+ * in ISO 10646.
+ */
+
+int mk_wcwidth(wchar_t ucs)
+{
+  /* sorted list of non-overlapping intervals of non-spacing characters */
+  /* generated by "uniset +cat=Me +cat=Mn +cat=Cf -00AD +1160-11FF +200B c" */
+  static const struct interval combining[] = {
+    { 0x0300, 0x036F }, { 0x0483, 0x0486 }, { 0x0488, 0x0489 },
+    { 0x0591, 0x05BD }, { 0x05BF, 0x05BF }, { 0x05C1, 0x05C2 },
+    { 0x05C4, 0x05C5 }, { 0x05C7, 0x05C7 }, { 0x0600, 0x0603 },
+    { 0x0610, 0x0615 }, { 0x064B, 0x065E }, { 0x0670, 0x0670 },
+    { 0x06D6, 0x06E4 }, { 0x06E7, 0x06E8 }, { 0x06EA, 0x06ED },
+    { 0x070F, 0x070F }, { 0x0711, 0x0711 }, { 0x0730, 0x074A },
+    { 0x07A6, 0x07B0 }, { 0x07EB, 0x07F3 }, { 0x0901, 0x0902 },
+    { 0x093C, 0x093C }, { 0x0941, 0x0948 }, { 0x094D, 0x094D },
+    { 0x0951, 0x0954 }, { 0x0962, 0x0963 }, { 0x0981, 0x0981 },
+    { 0x09BC, 0x09BC }, { 0x09C1, 0x09C4 }, { 0x09CD, 0x09CD },
+    { 0x09E2, 0x09E3 }, { 0x0A01, 0x0A02 }, { 0x0A3C, 0x0A3C },
+    { 0x0A41, 0x0A42 }, { 0x0A47, 0x0A48 }, { 0x0A4B, 0x0A4D },
+    { 0x0A70, 0x0A71 }, { 0x0A81, 0x0A82 }, { 0x0ABC, 0x0ABC },
+    { 0x0AC1, 0x0AC5 }, { 0x0AC7, 0x0AC8 }, { 0x0ACD, 0x0ACD },
+    { 0x0AE2, 0x0AE3 }, { 0x0B01, 0x0B01 }, { 0x0B3C, 0x0B3C },
+    { 0x0B3F, 0x0B3F }, { 0x0B41, 0x0B43 }, { 0x0B4D, 0x0B4D },
+    { 0x0B56, 0x0B56 }, { 0x0B82, 0x0B82 }, { 0x0BC0, 0x0BC0 },
+    { 0x0BCD, 0x0BCD }, { 0x0C3E, 0x0C40 }, { 0x0C46, 0x0C48 },
+    { 0x0C4A, 0x0C4D }, { 0x0C55, 0x0C56 }, { 0x0CBC, 0x0CBC },
+    { 0x0CBF, 0x0CBF }, { 0x0CC6, 0x0CC6 }, { 0x0CCC, 0x0CCD },
+    { 0x0CE2, 0x0CE3 }, { 0x0D41, 0x0D43 }, { 0x0D4D, 0x0D4D },
+    { 0x0DCA, 0x0DCA }, { 0x0DD2, 0x0DD4 }, { 0x0DD6, 0x0DD6 },
+    { 0x0E31, 0x0E31 }, { 0x0E34, 0x0E3A }, { 0x0E47, 0x0E4E },
+    { 0x0EB1, 0x0EB1 }, { 0x0EB4, 0x0EB9 }, { 0x0EBB, 0x0EBC },
+    { 0x0EC8, 0x0ECD }, { 0x0F18, 0x0F19 }, { 0x0F35, 0x0F35 },
+    { 0x0F37, 0x0F37 }, { 0x0F39, 0x0F39 }, { 0x0F71, 0x0F7E },
+    { 0x0F80, 0x0F84 }, { 0x0F86, 0x0F87 }, { 0x0F90, 0x0F97 },
+    { 0x0F99, 0x0FBC }, { 0x0FC6, 0x0FC6 }, { 0x102D, 0x1030 },
+    { 0x1032, 0x1032 }, { 0x1036, 0x1037 }, { 0x1039, 0x1039 },
+    { 0x1058, 0x1059 }, { 0x1160, 0x11FF }, { 0x135F, 0x135F },
+    { 0x1712, 0x1714 }, { 0x1732, 0x1734 }, { 0x1752, 0x1753 },
+    { 0x1772, 0x1773 }, { 0x17B4, 0x17B5 }, { 0x17B7, 0x17BD },
+    { 0x17C6, 0x17C6 }, { 0x17C9, 0x17D3 }, { 0x17DD, 0x17DD },
+    { 0x180B, 0x180D }, { 0x18A9, 0x18A9 }, { 0x1920, 0x1922 },
+    { 0x1927, 0x1928 }, { 0x1932, 0x1932 }, { 0x1939, 0x193B },
+    { 0x1A17, 0x1A18 }, { 0x1B00, 0x1B03 }, { 0x1B34, 0x1B34 },
+    { 0x1B36, 0x1B3A }, { 0x1B3C, 0x1B3C }, { 0x1B42, 0x1B42 },
+    { 0x1B6B, 0x1B73 }, { 0x1DC0, 0x1DCA }, { 0x1DFE, 0x1DFF },
+    { 0x200B, 0x200F }, { 0x202A, 0x202E }, { 0x2060, 0x2063 },
+    { 0x206A, 0x206F }, { 0x20D0, 0x20EF }, { 0x302A, 0x302F },
+    { 0x3099, 0x309A }, { 0xA806, 0xA806 }, { 0xA80B, 0xA80B },
+    { 0xA825, 0xA826 }, { 0xFB1E, 0xFB1E }, { 0xFE00, 0xFE0F },
+    { 0xFE20, 0xFE23 }, { 0xFEFF, 0xFEFF }, { 0xFFF9, 0xFFFB },
+    { 0x10A01, 0x10A03 }, { 0x10A05, 0x10A06 }, { 0x10A0C, 0x10A0F },
+    { 0x10A38, 0x10A3A }, { 0x10A3F, 0x10A3F }, { 0x1D167, 0x1D169 },
+    { 0x1D173, 0x1D182 }, { 0x1D185, 0x1D18B }, { 0x1D1AA, 0x1D1AD },
+    { 0x1D242, 0x1D244 }, { 0xE0001, 0xE0001 }, { 0xE0020, 0xE007F },
+    { 0xE0100, 0xE01EF }
+  };
+
+  /* test for 8-bit control characters */
+  if (ucs == 0)
+    return 0;
+  if (ucs < 32 || (ucs >= 0x7f && ucs < 0xa0))
+    return -1;
+
+  /* binary search in table of non-spacing characters */
+  if (bisearch(ucs, combining,
+	       sizeof(combining) / sizeof(struct interval) - 1))
+    return 0;
+
+  /* if we arrive here, ucs is not a combining or C0/C1 control character */
+
+  return 1 + 
+    (ucs >= 0x1100 &&
+     (ucs <= 0x115f ||                    /* Hangul Jamo init. consonants */
+      ucs == 0x2329 || ucs == 0x232a ||
+      (ucs >= 0x2e80 && ucs <= 0xa4cf &&
+       ucs != 0x303f) ||                  /* CJK ... Yi */
+      (ucs >= 0xac00 && ucs <= 0xd7a3) || /* Hangul Syllables */
+      (ucs >= 0xf900 && ucs <= 0xfaff) || /* CJK Compatibility Ideographs */
+      (ucs >= 0xfe10 && ucs <= 0xfe19) || /* Vertical forms */
+      (ucs >= 0xfe30 && ucs <= 0xfe6f) || /* CJK Compatibility Forms */
+      (ucs >= 0xff00 && ucs <= 0xff60) || /* Fullwidth Forms */
+      (ucs >= 0xffe0 && ucs <= 0xffe6) ||
+      (ucs >= 0x20000 && ucs <= 0x2fffd) ||
+      (ucs >= 0x30000 && ucs <= 0x3fffd)));
+}
+
+
+int mk_wcswidth(const wchar_t *pwcs, size_t n)
+{
+  int w, width = 0;
+
+  for (;*pwcs && n-- > 0; pwcs++)
+    if ((w = mk_wcwidth(*pwcs)) < 0)
+      return -1;
+    else
+      width += w;
+
+  return width;
+}
+
+
+/*
+ * The following functions are the same as mk_wcwidth() and
+ * mk_wcswidth(), except that spacing characters in the East Asian
+ * Ambiguous (A) category as defined in Unicode Technical Report #11
+ * have a column width of 2. This variant might be useful for users of
+ * CJK legacy encodings who want to migrate to UCS without changing
+ * the traditional terminal character-width behaviour. It is not
+ * otherwise recommended for general use.
+ */
+int mk_wcwidth_cjk(wchar_t ucs)
+{
+  /* sorted list of non-overlapping intervals of East Asian Ambiguous
+   * characters, generated by "uniset +WIDTH-A -cat=Me -cat=Mn -cat=Cf c" */
+  static const struct interval ambiguous[] = {
+    { 0x00A1, 0x00A1 }, { 0x00A4, 0x00A4 }, { 0x00A7, 0x00A8 },
+    { 0x00AA, 0x00AA }, { 0x00AE, 0x00AE }, { 0x00B0, 0x00B4 },
+    { 0x00B6, 0x00BA }, { 0x00BC, 0x00BF }, { 0x00C6, 0x00C6 },
+    { 0x00D0, 0x00D0 }, { 0x00D7, 0x00D8 }, { 0x00DE, 0x00E1 },
+    { 0x00E6, 0x00E6 }, { 0x00E8, 0x00EA }, { 0x00EC, 0x00ED },
+    { 0x00F0, 0x00F0 }, { 0x00F2, 0x00F3 }, { 0x00F7, 0x00FA },
+    { 0x00FC, 0x00FC }, { 0x00FE, 0x00FE }, { 0x0101, 0x0101 },
+    { 0x0111, 0x0111 }, { 0x0113, 0x0113 }, { 0x011B, 0x011B },
+    { 0x0126, 0x0127 }, { 0x012B, 0x012B }, { 0x0131, 0x0133 },
+    { 0x0138, 0x0138 }, { 0x013F, 0x0142 }, { 0x0144, 0x0144 },
+    { 0x0148, 0x014B }, { 0x014D, 0x014D }, { 0x0152, 0x0153 },
+    { 0x0166, 0x0167 }, { 0x016B, 0x016B }, { 0x01CE, 0x01CE },
+    { 0x01D0, 0x01D0 }, { 0x01D2, 0x01D2 }, { 0x01D4, 0x01D4 },
+    { 0x01D6, 0x01D6 }, { 0x01D8, 0x01D8 }, { 0x01DA, 0x01DA },
+    { 0x01DC, 0x01DC }, { 0x0251, 0x0251 }, { 0x0261, 0x0261 },
+    { 0x02C4, 0x02C4 }, { 0x02C7, 0x02C7 }, { 0x02C9, 0x02CB },
+    { 0x02CD, 0x02CD }, { 0x02D0, 0x02D0 }, { 0x02D8, 0x02DB },
+    { 0x02DD, 0x02DD }, { 0x02DF, 0x02DF }, { 0x0391, 0x03A1 },
+    { 0x03A3, 0x03A9 }, { 0x03B1, 0x03C1 }, { 0x03C3, 0x03C9 },
+    { 0x0401, 0x0401 }, { 0x0410, 0x044F }, { 0x0451, 0x0451 },
+    { 0x2010, 0x2010 }, { 0x2013, 0x2016 }, { 0x2018, 0x2019 },
+    { 0x201C, 0x201D }, { 0x2020, 0x2022 }, { 0x2024, 0x2027 },
+    { 0x2030, 0x2030 }, { 0x2032, 0x2033 }, { 0x2035, 0x2035 },
+    { 0x203B, 0x203B }, { 0x203E, 0x203E }, { 0x2074, 0x2074 },
+    { 0x207F, 0x207F }, { 0x2081, 0x2084 }, { 0x20AC, 0x20AC },
+    { 0x2103, 0x2103 }, { 0x2105, 0x2105 }, { 0x2109, 0x2109 },
+    { 0x2113, 0x2113 }, { 0x2116, 0x2116 }, { 0x2121, 0x2122 },
+    { 0x2126, 0x2126 }, { 0x212B, 0x212B }, { 0x2153, 0x2154 },
+    { 0x215B, 0x215E }, { 0x2160, 0x216B }, { 0x2170, 0x2179 },
+    { 0x2190, 0x2199 }, { 0x21B8, 0x21B9 }, { 0x21D2, 0x21D2 },
+    { 0x21D4, 0x21D4 }, { 0x21E7, 0x21E7 }, { 0x2200, 0x2200 },
+    { 0x2202, 0x2203 }, { 0x2207, 0x2208 }, { 0x220B, 0x220B },
+    { 0x220F, 0x220F }, { 0x2211, 0x2211 }, { 0x2215, 0x2215 },
+    { 0x221A, 0x221A }, { 0x221D, 0x2220 }, { 0x2223, 0x2223 },
+    { 0x2225, 0x2225 }, { 0x2227, 0x222C }, { 0x222E, 0x222E },
+    { 0x2234, 0x2237 }, { 0x223C, 0x223D }, { 0x2248, 0x2248 },
+    { 0x224C, 0x224C }, { 0x2252, 0x2252 }, { 0x2260, 0x2261 },
+    { 0x2264, 0x2267 }, { 0x226A, 0x226B }, { 0x226E, 0x226F },
+    { 0x2282, 0x2283 }, { 0x2286, 0x2287 }, { 0x2295, 0x2295 },
+    { 0x2299, 0x2299 }, { 0x22A5, 0x22A5 }, { 0x22BF, 0x22BF },
+    { 0x2312, 0x2312 }, { 0x2460, 0x24E9 }, { 0x24EB, 0x254B },
+    { 0x2550, 0x2573 }, { 0x2580, 0x258F }, { 0x2592, 0x2595 },
+    { 0x25A0, 0x25A1 }, { 0x25A3, 0x25A9 }, { 0x25B2, 0x25B3 },
+    { 0x25B6, 0x25B7 }, { 0x25BC, 0x25BD }, { 0x25C0, 0x25C1 },
+    { 0x25C6, 0x25C8 }, { 0x25CB, 0x25CB }, { 0x25CE, 0x25D1 },
+    { 0x25E2, 0x25E5 }, { 0x25EF, 0x25EF }, { 0x2605, 0x2606 },
+    { 0x2609, 0x2609 }, { 0x260E, 0x260F }, { 0x2614, 0x2615 },
+    { 0x261C, 0x261C }, { 0x261E, 0x261E }, { 0x2640, 0x2640 },
+    { 0x2642, 0x2642 }, { 0x2660, 0x2661 }, { 0x2663, 0x2665 },
+    { 0x2667, 0x266A }, { 0x266C, 0x266D }, { 0x266F, 0x266F },
+    { 0x273D, 0x273D }, { 0x2776, 0x277F }, { 0xE000, 0xF8FF },
+    { 0xFFFD, 0xFFFD }, { 0xF0000, 0xFFFFD }, { 0x100000, 0x10FFFD }
+  };
+
+  /* binary search in table of non-spacing characters */
+  if (bisearch(ucs, ambiguous,
+	       sizeof(ambiguous) / sizeof(struct interval) - 1))
+    return 2;
+
+  return mk_wcwidth(ucs);
+}
+
+
+int mk_wcswidth_cjk(const wchar_t *pwcs, size_t n)
+{
+  int w, width = 0;
+
+  for (;*pwcs && n-- > 0; pwcs++)
+    if ((w = mk_wcwidth_cjk(*pwcs)) < 0)
+      return -1;
+    else
+      width += w;
+
+  return width;
+}
+
+#include "vterm.h"
+
+bool VTerm::ambiguous_wide = false;
+
+s32 VTerm::charWidth(u32 ucs)
+{
+	return ambiguous_wide ? mk_wcwidth_cjk(ucs) : mk_wcwidth(ucs);
+}
diff --git a/src/mouse.cpp b/src/mouse.cpp
new file mode 100644
index 0000000..0435dd9
--- /dev/null
+++ b/src/mouse.cpp
@@ -0,0 +1,175 @@
+/*
+ *   Copyright © 2008-2010 dragchan <zgchan317@gmail.com>
+ *   This file is part of FbTerm.
+ *
+ *   This program is free software; you can redistribute it and/or
+ *   modify it under the terms of the GNU General Public License
+ *   as published by the Free Software Foundation; either version 2
+ *   of the License, or (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include "mouse.h"
+DEFINE_INSTANCE(Mouse)
+
+#include "config.h"
+#ifdef ENABLE_GPM
+
+#include <stddef.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <gpm.h>
+#include <sys/ioctl.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <linux/keyboard.h>
+#include "fbshellman.h"
+#include "fbshell.h"
+#include "screen.h"
+
+static s32 open_gpm(Gpm_Connect *conn)
+{
+	s8 buf[64];
+	s32 ret = ttyname_r(STDIN_FILENO, buf, sizeof(buf));
+
+	u32 index = strlen(buf) - 1;
+	while (buf[index] >= '0' && buf[index] <= '9') index--;
+
+	s8 *tail;
+	conn->vc = strtol(buf + index + 1, &tail, 10);
+	if (*tail) return -1;
+
+	conn->pid = getpid();
+
+	s32 gpm_fd = socket(PF_UNIX, SOCK_STREAM, 0);
+	if (gpm_fd == -1) return -1;
+
+	struct sockaddr_un addr;
+	memset((s8 *)&addr, 0, sizeof(addr));
+	addr.sun_family = AF_UNIX;
+	strncpy(addr.sun_path, GPM_NODE_CTL, sizeof(addr.sun_path) - 1);
+
+	#define OFFSET(TYPE, MEMBER) ((size_t)(&(((TYPE *)0)->MEMBER)))
+	u32 len = OFFSET(sockaddr_un, sun_path) + sizeof(GPM_NODE_CTL) - 1;
+	if (len > sizeof(addr)) len = sizeof(addr);
+
+	if(connect(gpm_fd, (struct sockaddr *)(&addr), len) < 0 ||
+	   write(gpm_fd, conn, sizeof(*conn)) != sizeof(*conn)) {
+		close(gpm_fd);
+		return -1;
+	}
+
+	return gpm_fd;
+}
+
+Mouse *Mouse::createInstance()
+{
+	Gpm_Connect conn;
+	conn.eventMask = ~0;
+	conn.defaultMask = ~GPM_HARD;
+	conn.maxMod = ~0;
+	conn.minMod = 0;
+
+	s32 fd = open_gpm(&conn);
+	if (fd == -1) return 0;
+
+	Mouse *mouse = new Mouse();
+	mouse->setFd(fd);
+
+	return mouse;
+}
+
+Mouse::Mouse()
+{
+	x = y = 0;
+}
+
+Mouse::~Mouse()
+{
+}
+
+void Mouse::readyRead(s8 *buf, u32 len)
+{
+	if (len % sizeof(Gpm_Event)) return;
+
+	FbShell *shell = FbShellManager::instance()->activeShell();
+	if (!shell) return;
+
+	u16 maxx = Screen::instance()->cols(), maxy = Screen::instance()->rows();
+
+	len /= sizeof(Gpm_Event);
+	Gpm_Event *ev = (Gpm_Event *)buf;
+
+	for (; len--; ev++) {
+		s32 type = -1, buttons = 0;
+
+		if (ev->wdy) type = Wheel;
+		else if ((ev->type & GPM_MOVE) || (ev->type & GPM_DRAG)) type = Move;
+		else if (ev->type & GPM_DOWN) type = (ev->type & GPM_DOUBLE) ? DblClick : Press;
+		else if (ev->type & GPM_UP) type = Release;
+		if (type == -1) continue;
+
+		if (ev->buttons & GPM_B_LEFT) buttons |= LeftButton;
+		if (ev->buttons & GPM_B_MIDDLE) buttons |= MidButton;
+		if (ev->buttons & GPM_B_RIGHT) buttons |= RightButton;
+		if (type == Wheel) buttons |= ((ev->wdy < 0) ? WheelDown : WheelUp);
+
+		if (ev->modifiers & (1 << KG_SHIFT)) buttons |= ShiftButton;
+		if (ev->modifiers & (1 << KG_CTRL)) buttons |= ControlButton;
+		if (ev->modifiers & ((1 << KG_ALT) | (1 << KG_ALTGR))) buttons |= AltButton;
+
+		s16 newx = (s16)x + ev->dx, newy =(s16)y + ev->dy;
+		if (newx < 0) newx = 0;
+		if (newy < 0) newy = 0;
+		if (newx >= maxx) newx = maxx - 1;
+		if (newy >= maxy) newy = maxy - 1;
+		if (newx == x && newy == y && !(buttons & MouseButtonMask)) continue;
+
+		shell->mouseInput(newx, newy, type, buttons);
+		x = newx;
+		y = newy;
+	}
+}
+
+void Mouse::switchVc(bool enter)
+{
+}
+
+#else
+
+#include <unistd.h>
+#include <sys/ioctl.h>
+#include <linux/kd.h>
+
+Mouse *Mouse::createInstance()
+{
+	return new Mouse();
+}
+
+Mouse::Mouse()
+{
+}
+
+Mouse::~Mouse()
+{
+}
+
+void Mouse::switchVc(bool enter)
+{
+	ioctl(STDIN_FILENO, KDSETMODE, enter ? KD_GRAPHICS : KD_TEXT);
+}
+
+void Mouse::readyRead(s8 *buf, u32 len)
+{
+}
+#endif
diff --git a/src/mouse.h b/src/mouse.h
new file mode 100644
index 0000000..7cd805b
--- /dev/null
+++ b/src/mouse.h
@@ -0,0 +1,37 @@
+/*
+ *   Copyright © 2008-2010 dragchan <zgchan317@gmail.com>
+ *   This file is part of FbTerm.
+ *
+ *   This program is free software; you can redistribute it and/or
+ *   modify it under the terms of the GNU General Public License
+ *   as published by the Free Software Foundation; either version 2
+ *   of the License, or (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#ifndef MOUSE_H
+#define MOUSE_H
+
+#include "io.h"
+#include "instance.h"
+
+class Mouse : public IoPipe {
+	DECLARE_INSTANCE(Mouse)
+public:
+	void switchVc(bool enter);
+private:
+	virtual void readyRead(s8 *buf, u32 len);
+
+	u16 x, y;
+};
+
+#endif
diff --git a/src/screen.cpp b/src/screen.cpp
new file mode 100644
index 0000000..4da2453
--- /dev/null
+++ b/src/screen.cpp
@@ -0,0 +1,396 @@
+/*
+ *   Copyright © 2008-2010 dragchan <zgchan317@gmail.com>
+ *   This file is part of FbTerm.
+ *
+ *   This program is free software; you can redistribute it and/or
+ *   modify it under the terms of the GNU General Public License
+ *   as published by the Free Software Foundation; either version 2
+ *   of the License, or (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <string.h>
+#include "screen.h"
+#include "font.h"
+#include "fbshellman.h"
+#include "fbconfig.h"
+#include "fbdev.h"
+#include "config.h"
+#ifdef ENABLE_VESA
+#include "vesadev.h"
+#endif
+
+#define MIN(a,b) ((a) < (b) ? (a) : (b))
+#define MAX(a,b) ((a) > (b) ? (a) : (b))
+#define redraw(args...) (FbShellManager::instance()->redraw(args))
+
+static const s8 show_cursor[] = "\e[?25h";
+static const s8 hide_cursor[] = "\e[?25l";
+static const s8 disable_blank[] = "\e[9;0]";
+static const s8 enable_blank[] = "\e[9;10]";
+static const s8 clear_screen[] = "\e[2J\e[H";
+
+DEFINE_INSTANCE(Screen)
+
+Screen *Screen::createInstance()
+{
+	if (!Font::instance() || !FW(1) || !FH(1)) {
+		fprintf(stderr, "init font error!\n");
+		return 0;
+	}
+
+	Screen *pScreen = 0;
+
+#ifdef ENABLE_VESA
+	s8 buf[16];
+	Config::instance()->getOption("vesa-mode", buf, sizeof(buf));
+	if (!strcmp(buf, "list")) {
+		VesaDev::printModes();
+		return 0;
+	}
+
+	u32 mode = 0;
+	Config::instance()->getOption("vesa-mode", mode);
+
+	if (!mode) pScreen = FbDev::initFbDev();
+	if (!pScreen) pScreen = VesaDev::initVesaDev(mode);
+#else
+	pScreen = FbDev::initFbDev();
+#endif
+
+	if (!pScreen) return 0;
+
+	if (pScreen->mRotateType == Rotate90 || pScreen->mRotateType == Rotate270) {
+		u32 tmp = pScreen->mWidth;
+		pScreen->mWidth = pScreen->mHeight;
+		pScreen->mHeight = tmp;
+	}
+
+	if (!pScreen->mCols) pScreen->mCols = pScreen->mWidth / FW(1);
+	if (!pScreen->mRows) pScreen->mRows = pScreen->mHeight / FH(1);
+
+	if (!pScreen->mCols || !pScreen->mRows) {
+		fprintf(stderr, "font size is too huge!\n");
+		delete pScreen;
+		return 0;
+	}
+
+	pScreen->initFillDraw();
+	return pScreen;
+}
+
+Screen::Screen()
+{
+	mWidth = mHeight = 0;
+	mCols = mRows = 0;
+	mBitsPerPixel = mBytesPerLine = 0;
+
+	mScrollEnable = true;
+	mScrollType = Redraw;
+	mOffsetMax = 0;
+	mOffsetCur = 0;
+
+	mVMemBase = 0;
+	mPalette = 0;
+
+	u32 type = Rotate0;
+	Config::instance()->getOption("screen-rotate", type);
+	if (type > Rotate270) type = Rotate0;
+	mRotateType = (RotateType)type;
+
+	s32 ret = write(STDIN_FILENO, hide_cursor, sizeof(hide_cursor) - 1);
+	ret = write(STDIN_FILENO, disable_blank, sizeof(disable_blank) - 1);
+}
+
+Screen::~Screen()
+{
+	Font::uninstance();
+	endFillDraw();
+
+	s32 ret = write(STDIN_FILENO, show_cursor, sizeof(show_cursor) - 1);
+	ret = write(STDIN_FILENO, enable_blank, sizeof(enable_blank) - 1);
+	ret = write(STDIN_FILENO, clear_screen, sizeof(clear_screen) - 1);
+}
+
+void Screen::showInfo(bool verbose)
+{
+	if (!verbose) return;
+
+	static const s8* const scrollstr[4] = {
+		"redraw", "ypan", "ywrap", "xpan"
+	};
+	printf("[screen] driver: %s, mode: %dx%d-%dbpp, scrolling: %s\n",
+		drvId(), mWidth, mHeight, mBitsPerPixel, scrollstr[mScrollType]);
+}
+
+void Screen::switchVc(bool enter)
+{
+	mOffsetCur = 0;
+	setupOffset();
+
+	setupPalette(!enter);
+	if (enter && mPalette) eraseMargin(true, mRows);
+}
+
+bool Screen::move(u16 scol, u16 srow, u16 dcol, u16 drow, u16 w, u16 h)
+{
+	if (!mScrollEnable || mScrollType == Redraw || scol != dcol) return false;
+
+	u16 top = MIN(srow, drow), bot = MAX(srow, drow) + h;
+	u16 left = scol, right = scol + w;
+
+	u32 noaccel_redraw_area = w * (bot - top - 1);
+	u32 accel_redraw_area = mCols * mRows - w * h;
+
+	if (noaccel_redraw_area <= accel_redraw_area) return false;
+
+	if (mRotateType == Rotate0 || mRotateType == Rotate270) mOffsetCur += FH((s32)srow - drow);
+	else mOffsetCur -= FH((s32)srow - drow);
+
+	bool redraw_all = false;
+	if (mScrollType == YPan || mScrollType == XPan) {
+		redraw_all = true;
+
+		if (mOffsetCur < 0) mOffsetCur = mOffsetMax;
+		else if ((u32)mOffsetCur > mOffsetMax) mOffsetCur = 0;
+		else redraw_all = false;
+	} else {
+		if (mOffsetCur < 0) mOffsetCur += mOffsetMax + 1;
+		else if ((u32)mOffsetCur > mOffsetMax) mOffsetCur -= mOffsetMax + 1;
+	}
+
+	setupOffset();
+
+	if (top) redraw(0, 0, mCols, top);
+	if (bot < mRows) redraw(0, bot, mCols, mRows - bot);
+	if (left > 0) redraw(0, top, left, bot - top - 1);
+	if (right < mCols) redraw(right, top, mCols - right, bot - top - 1);
+
+	if (redraw_all) {
+		eraseMargin(true, mRows);
+	} else {
+		eraseMargin(drow > srow, drow > srow ? (drow - srow) : (srow - drow));
+	}
+
+	return !redraw_all;
+}
+
+void Screen::eraseMargin(bool top, u16 h)
+{
+	if (mWidth % FW(1)) {
+		fillRect(FW(mCols), top ? 0 : FH(mRows - h), mWidth % FW(1), FH(h), 0);
+	}
+
+	if (mHeight % FH(1)) {
+		fillRect(0, FH(mRows), mWidth, mHeight % FH(1), 0);
+	}
+}
+
+void Screen::drawText(u32 x, u32 y, u8 fc, u8 bc, u16 num, u16 *text, bool *dw)
+{
+	u32 startx, fw = FW(1);
+
+	u16 startnum, *starttext;
+	bool *startdw, draw_space = false, draw_text = false;
+
+	for (; num; num--, text++, dw++, x += fw) {
+		if (*text == 0x20) {
+			if (draw_text) {
+				draw_text = false;
+				drawGlyphs(startx, y, fc, bc, startnum - num, starttext, startdw);
+			}
+
+			if (!draw_space) {
+				draw_space = true;
+				startx = x;
+			}
+		} else {
+			if (draw_space) {
+				draw_space = false;
+				fillRect(startx, y, x - startx, FH(1), bc);
+			}
+
+			if (!draw_text) {
+				draw_text = true;
+				starttext = text;
+				startdw = dw;
+				startnum = num;
+				startx = x;
+			}
+
+			if (*dw) x += fw;
+		}
+	}
+
+	if (draw_text) {
+		drawGlyphs(startx, y, fc, bc, startnum - num, starttext, startdw);
+	} else if (draw_space) {
+		fillRect(startx, y, x - startx, FH(1), bc);
+	}
+}
+
+void Screen::drawGlyphs(u32 x, u32 y, u8 fc, u8 bc, u16 num, u16 *text, bool *dw)
+{
+	for (; num--; text++, dw++) {
+		drawGlyph(x, y, fc, bc, *text, *dw);
+		x += *dw ? FW(2) : FW(1);
+	}
+}
+
+void Screen::adjustOffset(u32 &x, u32 &y)
+{
+	if (mScrollType == XPan) x += mOffsetCur;
+	else y += mOffsetCur;
+}
+
+void Screen::fillRect(u32 x, u32 y, u32 w, u32 h, u8 color)
+{
+	if (x >= mWidth || y >= mHeight || !w || !h) return;
+	if (x + w > mWidth) w = mWidth - x;
+	if (y + h > mHeight) h = mHeight - y;
+
+	rotateRect(x, y, w, h);
+	adjustOffset(x, y);
+
+	for (; h--;) {
+		if (mScrollType == YWrap && y > mOffsetMax) y -= mOffsetMax + 1;
+		(this->*fill)(x, y++, w, color);
+	}
+}
+
+void Screen::drawGlyph(u32 x, u32 y, u8 fc, u8 bc, u16 code, bool dw)
+{
+	if (x >= mWidth || y >= mHeight) return;
+
+	s32 w = (dw ? FW(2) : FW(1)), h = FH(1);
+	if (x + w > mWidth) w = mWidth - x;
+	if (y + h > mHeight) h = mHeight - y;
+
+	Font::Glyph *glyph = (Font::Glyph *)Font::instance()->getGlyph(code);
+	if (!glyph) {
+		fillRect(x, y, w, h, bc);
+		return;
+	}
+
+	s32 top = glyph->top;
+	if (top < 0) top = 0;
+
+	s32 left = glyph->left;
+	if ((s32)x + left < 0) left = -x;
+
+	s32 width = glyph->width;
+	if (width > w - left) width = w - left;
+	if ((s32)x + left + width > (s32)mWidth) width = mWidth - ((s32)x + left);
+	if (width < 0) width = 0;
+
+	s32 height = glyph->height;
+	if (height > h - top) height = h - top;
+	if (y + top + height > mHeight) height = mHeight - (y + top);
+	if (height < 0) height = 0;
+
+	if (top) fillRect(x, y, w, top, bc);
+	if (left > 0) fillRect(x, y + top, left, height, bc);
+
+	s32 right = width + left;
+	if (w > right) fillRect((s32)x + right, y + top, w - right, height, bc);
+
+	s32 bot = top + height;
+	if (h > bot) fillRect(x, y + bot, w, h - bot, bc);
+
+	x += left;
+	y += top;
+	if (x >= mWidth || y >= mHeight || !width || !height) return;
+
+	u32 nwidth = width, nheight = height;
+	rotateRect(x, y, nwidth, nheight);
+
+	u8 *pixmap = glyph->pixmap;
+	u32 wdiff = glyph->width - width, hdiff = glyph->height - height;
+
+	if (wdiff) {
+		if (mRotateType == Rotate180) pixmap += wdiff;
+		else if (mRotateType == Rotate270) pixmap += wdiff * glyph->pitch;
+	}
+
+	if (hdiff) {
+		if (mRotateType == Rotate90) pixmap += hdiff;
+		else if (mRotateType == Rotate180) pixmap += hdiff * glyph->pitch;
+	}
+
+	adjustOffset(x, y);
+	for (; nheight--; y++, pixmap += glyph->pitch) {
+		if ((mScrollType == YWrap) && y > mOffsetMax) y -= mOffsetMax + 1;
+		(this->*draw)(x, y, nwidth, fc, bc, pixmap);
+	}
+}
+
+void Screen::rotateRect(u32 &x, u32 &y, u32 &w, u32 &h)
+{
+	u32 tmp;
+	switch (mRotateType) {
+	case Rotate0:
+		break;
+
+	case Rotate90:
+		tmp = x;
+		x = mHeight - y - h;
+		y = tmp;
+
+		tmp = w;
+		w = h;
+		h = tmp;
+		break;
+
+	case Rotate180:
+		x = mWidth - x - w;
+		y = mHeight - y - h;
+		break;
+
+	case Rotate270:
+		tmp = y;
+		y = mWidth - x - w;
+		x = tmp;
+
+		tmp = w;
+		w = h;
+		h = tmp;
+		break;
+	}
+}
+
+void Screen::rotatePoint(u32 W, u32 H, u32 &x, u32 &y)
+{
+	u32 tmp;
+	switch (mRotateType) {
+	case Rotate0:
+		break;
+
+	case Rotate90:
+		tmp = x;
+		x = H - y - 1;
+		y = tmp;
+		break;
+
+	case Rotate180:
+		x = W - x - 1;
+		y = H - y - 1;
+		break;
+
+	case Rotate270:
+		tmp = y;
+		y = W - x - 1;
+		x = tmp;
+		break;
+	}
+}
diff --git a/src/screen.h b/src/screen.h
new file mode 100644
index 0000000..136d1e2
--- /dev/null
+++ b/src/screen.h
@@ -0,0 +1,105 @@
+/*
+ *   Copyright © 2008-2010 dragchan <zgchan317@gmail.com>
+ *   This file is part of FbTerm.
+ *
+ *   This program is free software; you can redistribute it and/or
+ *   modify it under the terms of the GNU General Public License
+ *   as published by the Free Software Foundation; either version 2
+ *   of the License, or (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#ifndef SCREEN_H
+#define SCREEN_H
+
+#include "type.h"
+#include "instance.h"
+
+#define NR_COLORS 256
+
+struct Color {
+	u8 red, green, blue;
+};
+
+typedef enum { Rotate0 = 0, Rotate90, Rotate180, Rotate270 } RotateType;
+
+class Screen
+{
+	DECLARE_INSTANCE(Screen)
+public :
+	u32 width() { return mWidth; }
+	u32 height() { return mHeight; }
+	u16 cols() { return mCols; }
+	u16 rows() { return mRows; }
+
+	RotateType rotateType() { return mRotateType; }
+	void rotateRect(u32 &x, u32 &y, u32 &w, u32 &h);
+	void rotatePoint(u32 w, u32 h, u32 &x, u32 &y);
+
+	void drawText(u32 x, u32 y, u8 fc, u8 bc, u16 num, u16 *text, bool *dw);
+	void fillRect(u32 x, u32 y, u32 w, u32 h, u8 color);
+
+	bool move(u16 scol, u16 srow, u16 dcol, u16 drow, u16 w, u16 h);
+	void setPalette(const Color *palette);
+	
+	void enableScroll(bool enable) { mScrollEnable = enable; }
+
+	void showInfo(bool verbose);
+	virtual void switchVc(bool enter);
+
+protected:
+	u32 mWidth, mHeight;
+	u16 mCols, mRows;
+	u32 mBitsPerPixel, mBytesPerLine;
+
+	RotateType mRotateType;
+
+	typedef enum { Redraw = 0, YPan, YWrap, XPan } ScrollType;
+	ScrollType mScrollType;
+	u32 mOffsetMax;
+	s32 mOffsetCur;
+
+	u8 *mVMemBase;
+	const Color *mPalette;
+
+private:
+	virtual void setupOffset() {}
+	virtual void setupPalette(bool restore) {}
+	virtual const s8 *drvId() = 0;
+
+	void eraseMargin(bool top, u16 h);
+	void drawGlyphs(u32 x, u32 y, u8 fc, u8 bc, u16 num, u16 *text, bool *dw);
+	void drawGlyph(u32 x, u32 y, u8 fc, u8 bc, u16 code, bool dw);
+	void adjustOffset(u32 &x, u32 &y);
+
+	void initFillDraw();
+	void endFillDraw();
+
+	void fillX(u32 x, u32 y, u32 w, u8 color);
+	void fillXBg(u32 x, u32 y, u32 w, u8 color);
+	void draw8(u32 x, u32 y, u32 w, u8 fc, u8 bc, u8 *pixmap);
+	void draw15(u32 x, u32 y, u32 w, u8 fc, u8 bc, u8 *pixmap);
+	void draw16(u32 x, u32 y, u32 w, u8 fc, u8 bc, u8 *pixmap);
+	void draw32(u32 x, u32 y, u32 w, u8 fc, u8 bc, u8 *pixmap);
+	void draw8Bg(u32 x, u32 y, u32 w, u8 fc, u8 bc, u8 *pixmap);
+	void draw15Bg(u32 x, u32 y, u32 w, u8 fc, u8 bc, u8 *pixmap);
+	void draw16Bg(u32 x, u32 y, u32 w, u8 fc, u8 bc, u8 *pixmap);
+	void draw32Bg(u32 x, u32 y, u32 w, u8 fc, u8 bc, u8 *pixmap);
+
+	typedef void (Screen::*fillFun)(u32 x, u32 y, u32 w, u8 color);
+	typedef void (Screen::*drawFun)(u32 x, u32 y, u32 w, u8 fc, u8 bc, u8 *pixmap);
+
+	fillFun fill;
+	drawFun draw;
+	bool mScrollEnable;
+};
+#endif
diff --git a/src/screen_render.cpp b/src/screen_render.cpp
new file mode 100644
index 0000000..e8f39b8
--- /dev/null
+++ b/src/screen_render.cpp
@@ -0,0 +1,242 @@
+/*
+ *   Copyright © 2008-2010 dragchan <zgchan317@gmail.com>
+ *   This file is part of FbTerm.
+ *
+ *   This program is free software; you can redistribute it and/or
+ *   modify it under the terms of the GNU General Public License
+ *   as published by the Free Software Foundation; either version 2
+ *   of the License, or (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include <stdlib.h>
+#include <string.h>
+#include "screen.h"
+#include "fbconfig.h"
+
+#define writeb(addr, val) (*(volatile u8 *)(addr) = (val))
+#define writew(addr, val) (*(volatile u16 *)(addr) = (val))
+#define writel(addr, val) (*(volatile u32 *)(addr) = (val))
+
+static u32 bytes_per_pixel;
+static u32 ppl, ppw, ppb;
+static u32 fillColors[NR_COLORS];
+
+static u8 *bgimage_mem;
+static u8 bgcolor;
+
+void Screen::setPalette(const Color *palette)
+{
+	if (mPalette == palette) return;
+	mPalette = palette;
+
+	for (u32 i = 0; i < NR_COLORS; i++) {
+		switch (mBitsPerPixel) {
+		case 8:
+			fillColors[i] = (i << 24) | (i << 16) | (i << 8) | i;
+			break;
+		case 15:
+			fillColors[i] = ((palette[i].red >> 3) << 10) | ((palette[i].green >> 3) << 5) | (palette[i].blue >> 3);
+			fillColors[i] |= fillColors[i] << 16;
+			break;
+		case 16:
+			fillColors[i] = ((palette[i].red >> 3) << 11) | ((palette[i].green >> 2) << 5) | (palette[i].blue >> 3);
+			fillColors[i] |= fillColors[i] << 16;
+			break;
+		case 32:
+			fillColors[i] = (palette[i].red << 16) | (palette[i].green << 8) | palette[i].blue;
+			break;
+		}
+	}
+
+	setupPalette(false);
+	eraseMargin(true, mRows);
+}
+
+void Screen::initFillDraw()
+{
+	if (mBitsPerPixel == 15) bytes_per_pixel = 2;
+	else bytes_per_pixel = (mBitsPerPixel >> 3);
+
+	ppl = 4 / bytes_per_pixel;
+	ppw = ppl >> 1;
+	ppb = ppl >> 2;
+
+	bool bg = false;
+	if (getenv("FBTERM_BACKGROUND_IMAGE")) {
+		bg = true;
+		mScrollType = Redraw;
+
+		u32 color = 0;
+		Config::instance()->getOption("color-background", color);
+		if (color > 7) color = 0;
+		bgcolor = color;
+
+		u32 size = mBytesPerLine * ((mRotateType == Rotate0 || mRotateType == Rotate180) ? mHeight : mWidth);
+		bgimage_mem = new u8[size];
+		memcpy(bgimage_mem, mVMemBase, size);
+	}
+
+	fill = bg ? &Screen::fillXBg : &Screen::fillX;
+
+	switch (mBitsPerPixel) {
+	case 8:
+		draw = bg ? &Screen::draw8Bg : &Screen::draw8;
+		break;
+	case 15:
+		draw = bg ? &Screen::draw15Bg : &Screen::draw15;
+		break;
+	case 16:
+		draw = bg ? &Screen::draw16Bg : &Screen::draw16;
+		break;
+	case 32:
+		draw = bg ? &Screen::draw32Bg : &Screen::draw32;
+		break;
+	}
+}
+
+void Screen::endFillDraw()
+{
+	if (bgimage_mem) delete[] bgimage_mem;
+}
+
+void Screen::fillX(u32 x, u32 y, u32 w, u8 color)
+{
+	u32 c = fillColors[color];
+	u8 *dst = mVMemBase + y * mBytesPerLine + x * bytes_per_pixel;
+
+	// get better performance if write-combining not enabled for video memory
+	for (u32 i = w / ppl; i--; dst += 4) {
+		writel(dst, c);
+	}
+
+	if (w & ppw) {
+		writew(dst, c);
+		dst += 2;
+	}
+
+	if (w & ppb) {
+		writeb(dst, c);
+	}
+}
+
+void Screen::fillXBg(u32 x, u32 y, u32 w, u8 color)
+{
+	if (color == bgcolor) {
+		u32 offset = y * mBytesPerLine + x * bytes_per_pixel;
+		memcpy(mVMemBase + offset, bgimage_mem + offset, w * bytes_per_pixel);
+	} else {
+		fillX(x, y, w, color);
+	}
+}
+
+void Screen::draw8(u32 x, u32 y, u32 w, u8 fc, u8 bc, u8 *pixmap)
+{
+	bool isfg;
+	u8 *dst = mVMemBase + y * mBytesPerLine + x * bytes_per_pixel;
+
+	for (; w--; pixmap++, dst++) {
+		isfg = (*pixmap & 0x80);
+		writeb(dst, fillColors[isfg ? fc : bc]);
+	}
+}
+
+void Screen::draw8Bg(u32 x, u32 y, u32 w, u8 fc, u8 bc, u8 *pixmap)
+{
+	if (bc != bgcolor) {
+		draw8(x, y, w, fc, bc, pixmap);
+		return;
+	}
+
+	bool isfg;
+	u32 offset = y * mBytesPerLine + x * bytes_per_pixel;
+	u8 *dst = mVMemBase + offset;
+	u8 *bgimg = bgimage_mem + offset;
+
+	for (; w--; pixmap++, dst++, bgimg++) {
+		isfg = (*pixmap & 0x80);
+		writeb(dst, isfg ? fillColors[fc] : (*bgimg));
+	}
+}
+
+#define drawX(bits, lred, lgreen, lblue, type, fbwrite) \
+ \
+void Screen::draw##bits(u32 x, u32 y, u32 w, u8 fc, u8 bc, u8 *pixmap) \
+{ \
+	u8 red, green, blue; \
+	u8 pixel; \
+	type color; \
+	type *dst = (type *)(mVMemBase + y * mBytesPerLine + x * bytes_per_pixel); \
+ \
+	for (; w--; pixmap++, dst++) { \
+		pixel = *pixmap; \
+ \
+		if (!pixel) fbwrite(dst, fillColors[bc]); \
+		else if (pixel == 0xff) fbwrite(dst, fillColors[fc]); \
+		else { \
+			red = mPalette[bc].red + (((mPalette[fc].red - mPalette[bc].red) * pixel) >> 8); \
+			green = mPalette[bc].green + (((mPalette[fc].green - mPalette[bc].green) * pixel) >> 8); \
+			blue = mPalette[bc].blue + (((mPalette[fc].blue - mPalette[bc].blue) * pixel) >> 8); \
+ \
+			color = ((red >> (8 - lred) << (lgreen + lblue)) | (green >> (8 - lgreen) << lblue) | (blue >> (8 - lblue))); \
+			fbwrite(dst, color); \
+		} \
+	} \
+}
+
+drawX(15, 5, 5, 5, u16, writew)
+drawX(16, 5, 6, 5, u16, writew)
+drawX(32, 8, 8, 8, u32, writel)
+
+#define drawXBg(bits, lred, lgreen, lblue, type, fbwrite) \
+ \
+void Screen::draw##bits##Bg(u32 x, u32 y, u32 w, u8 fc, u8 bc, u8 *pixmap) \
+{ \
+	if (bc != bgcolor) { \
+		draw##bits(x, y, w, fc, bc, pixmap); \
+		return; \
+	} \
+ \
+	u8 red, green, blue; \
+	u8 redbg, greenbg, bluebg; \
+	u8 pixel; \
+	type color; \
+ \
+	u32 offset = y * mBytesPerLine + x * bytes_per_pixel; \
+	type *dst = (type *)(mVMemBase + offset); \
+	type *bgimg = (type *)(bgimage_mem + offset); \
+ \
+	for (; w--; pixmap++, dst++, bgimg++) { \
+		pixel = *pixmap; \
+ \
+		if (!pixel) fbwrite(dst, *bgimg); \
+		else if (pixel == 0xff) fbwrite(dst, fillColors[fc]); \
+		else { \
+			color = *bgimg; \
+ \
+			redbg = ((color >> (lgreen + lblue)) & ((1 << lred) - 1)) << (8 - lred); \
+			greenbg = ((color >> lblue) & ((1 << lgreen) - 1)) << (8 - lgreen); \
+			bluebg = (color & ((1 << lblue) - 1)) << (8 - lblue); \
+ \
+			red = redbg + (((mPalette[fc].red - redbg) * pixel) >> 8); \
+			green = greenbg + (((mPalette[fc].green - greenbg) * pixel) >> 8); \
+			blue = bluebg + (((mPalette[fc].blue - bluebg) * pixel) >> 8); \
+ \
+			color = ((red >> (8 - lred) << (lgreen + lblue)) | (green >> (8 - lgreen) << lblue) | (blue >> (8 - lblue))); \
+			fbwrite(dst, color); \
+		} \
+	} \
+}
+
+drawXBg(15, 5, 5, 5, u16, writew)
+drawXBg(16, 5, 6, 5, u16, writew)
+drawXBg(32, 8, 8, 8, u32, writel)
diff --git a/src/signalfd.h b/src/signalfd.h
new file mode 100644
index 0000000..2d6129e
--- /dev/null
+++ b/src/signalfd.h
@@ -0,0 +1,58 @@
+/* Copyright (C) 2007, 2008 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#ifndef	_SYS_SIGNALFD_H
+#define	_SYS_SIGNALFD_H	1
+
+#define __need_sigset_t
+#include <signal.h>
+#include <stdint.h>
+
+
+struct signalfd_siginfo
+{
+  uint32_t ssi_signo;
+  int32_t ssi_errno;
+  int32_t ssi_code;
+  uint32_t ssi_pid;
+  uint32_t ssi_uid;
+  int32_t ssi_fd;
+  uint32_t ssi_tid;
+  uint32_t ssi_band;
+  uint32_t ssi_overrun;
+  uint32_t ssi_trapno;
+  int32_t ssi_status;
+  int32_t ssi_int;
+  uint64_t ssi_ptr;
+  uint64_t ssi_utime;
+  uint64_t ssi_stime;
+  uint64_t ssi_addr;
+  uint8_t __pad[48];
+};
+
+
+__BEGIN_DECLS
+
+/* Request notification for delivery of signals in MASK to be
+   performed using descriptor FD.*/
+extern int signalfd (int __fd, const sigset_t *__mask, int __flags)
+  __THROW __nonnull ((2));
+
+__END_DECLS
+
+#endif /* sys/signalfd.h */
diff --git a/src/vbe.h b/src/vbe.h
new file mode 100644
index 0000000..575b7f2
--- /dev/null
+++ b/src/vbe.h
@@ -0,0 +1,134 @@
+/*
+ *   Copyright © 2008-2010 dragchan <zgchan317@gmail.com>
+ *   This file is part of FbTerm.
+ *
+ *   This program is free software; you can redistribute it and/or
+ *   modify it under the terms of the GNU General Public License
+ *   as published by the Free Software Foundation; either version 2
+ *   of the License, or (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#ifndef VBE_H
+#define VBE_H
+
+#define VBE_FUN_GET_INFO 0x4f00
+#define VBE_FUN_GET_MODE_INFO 0x4f01
+#define VBE_FUN_SET_MODE 0x4f02
+#define VBE_FUN_GET_CURRENT_MODE 0x4f03
+#define VBE_FUN_SAVE_RESTORE_STATE 0x4f04
+#define VBE_FUN_DISPLAY_WIN_CONTROL 0x4f05
+#define VBE_FUN_LOGICAL_SCANLINE 0x4f06
+#define VBE_FUN_DISPLAY_START 0x4f07
+#define VBE_FUN_PALETTE_FORMAT 0x4f08
+#define VBE_FUN_PALETTE_DATA 0x4f09
+
+#define VBE_ATTR_MODE_SUPPORTED 	(1 << 0)
+#define VBE_ATTR_TTY 	(1 << 2)
+#define VBE_ATTR_COLOR 	(1 << 3)
+#define VBE_ATTR_GRAPHICS 	(1 << 4)
+#define VBE_ATTR_NOT_VGA 	(1 << 5)
+#define VBE_ATTR_NOT_WINDOWED 	(1 << 6)
+#define VBE_ATTR_LINEAR 	(1 << 7)
+
+#define VBE_MODEL_TEXT 	0
+#define VBE_MODEL_CGA 	1
+#define VBE_MODEL_HERCULES 	2
+#define VBE_MODEL_PLANAR 	3
+#define VBE_MODEL_PACKED 	4
+#define VBE_MODEL_256 	5
+#define VBE_MODEL_RGB 	6
+#define VBE_MODEL_YUV 	7
+
+/* structures for vbe 3.0 */
+
+struct vbe_info_block {
+	char vbe_signature[4];
+	short vbe_version;
+	unsigned short oem_string_off;
+	unsigned short oem_string_seg;
+	int capabilities;
+	unsigned short video_mode_list_off;
+	unsigned short video_mode_list_seg;
+	short total_memory;
+	short oem_software_rev;
+	unsigned short oem_vendor_name_off;
+	unsigned short oem_vendor_name_seg;
+	unsigned short oem_product_name_off;
+	unsigned short oem_product_name_seg;
+	unsigned short oem_product_rev_off;
+	unsigned short oem_product_rev_seg;
+	char reserved[222];
+	char oem_data[256];
+} __attribute__ ((packed));
+
+struct vbe_mode_info_block {
+	unsigned short mode_attributes;
+	unsigned char win_a_attributes;
+	unsigned char win_b_attributes;
+	unsigned short win_granularity;
+	unsigned short win_size;
+	unsigned short win_a_segment;
+	unsigned short win_b_segment;
+	unsigned short win_func_ptr_off;
+	unsigned short win_func_ptr_seg;
+	unsigned short bytes_per_scanline;
+
+	unsigned short x_resolution;
+	unsigned short y_resolution;
+	unsigned char x_char_size;
+	unsigned char y_char_size;
+	unsigned char number_of_planes;
+	unsigned char bits_per_pixel;
+	unsigned char number_of_banks;
+	unsigned char memory_model;
+	unsigned char bank_size;
+	unsigned char number_of_image_pages;
+	unsigned char res1;
+
+	unsigned char red_mask_size;
+	unsigned char red_field_position;
+	unsigned char green_mask_size;
+	unsigned char green_field_position;
+	unsigned char blue_mask_size;
+	unsigned char blue_field_position;
+	unsigned char rsvd_mask_size;
+	unsigned char rsvd_field_position;
+	unsigned char direct_color_mode_info;
+
+	unsigned int phys_base_ptr;
+	unsigned int offscreen_mem_offset;
+	unsigned short offscreen_mem_size;
+
+	unsigned short lin_bytes_per_scanline;
+	unsigned char bnk_number_of_image_page;
+	unsigned char lin_number_of_image_pages;
+	unsigned char lin_red_mask_size;
+	unsigned char lin_red_field_position;
+	unsigned char lin_green_mask_size;
+	unsigned char lin_green_field_position;
+	unsigned char lin_blue_mask_size;
+	unsigned char lin_blue_field_position;
+	unsigned char lin_rsvd_mask_size;
+	unsigned char lin_rsvd_field_position;
+	unsigned int max_pixel_clock;
+	unsigned char res2[189];
+} __attribute__ ((packed));
+
+struct vbe_palette_entry {
+	unsigned char blue;
+	unsigned char green;
+	unsigned char red;
+	unsigned char align;
+} __attribute__ ((packed));
+
+#endif
diff --git a/src/vesadev.cpp b/src/vesadev.cpp
new file mode 100644
index 0000000..0b1028b
--- /dev/null
+++ b/src/vesadev.cpp
@@ -0,0 +1,383 @@
+/*
+ *   Copyright © 2008-2010 dragchan <zgchan317@gmail.com>
+ *   This file is part of FbTerm.
+ *
+ *   This program is free software; you can redistribute it and/or
+ *   modify it under the terms of the GNU General Public License
+ *   as published by the Free Software Foundation; either version 2
+ *   of the License, or (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include "config.h"
+#ifdef ENABLE_VESA
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <string.h>
+#include <fcntl.h>
+#include <sys/io.h>
+#include <sys/mman.h>
+extern "C" {
+#include <libx86.h>
+}
+#include "vesadev.h"
+#include "vbe.h"
+#include "fbterm.h"
+
+#define MAX_VIDEO_MEM (16 * 1024 * 1024)
+#define MIN(a,b) ((a) < (b) ? (a) : (b))
+
+static s16 cur_mode;
+static vbe_mode_info_block mode_info;
+static LRMI_regs r;
+static u32 scanline_width, scanline_height;
+
+extern u32 effective_uid;
+
+static bool call_bios()
+{
+	bool success = true;
+	u16 fun = r.eax;
+
+	if (!LRMI_int(0x10, &r)) success = false;
+	if ((fun >> 8) == 0x4f && (r.eax & 0xffff) != 0x4f) success = false;
+
+	if (!success) {
+		fprintf(stderr, "call VESA function 0x%x failure!\n", fun);
+	}
+
+	return success;
+}
+
+static void save_restore_state(bool save)
+{
+	static void *state_buf;
+	static u32 state_size;
+	static bool saved = false;
+
+	if (save) {
+		if (saved) return;
+
+		r.eax = VBE_FUN_SAVE_RESTORE_STATE;
+		r.ecx = 0xf; 	/* all states */
+		r.edx = 0; 	/* get buffer size */
+
+		if (!call_bios()) return;
+
+		state_size = (r.ebx & 0xffff) * 64;
+		state_buf = malloc(state_size);
+
+		void *buf = LRMI_alloc_real(state_size);
+
+		r.eax = VBE_FUN_SAVE_RESTORE_STATE;
+		r.ecx = 0xf; 	/* all states */
+		r.edx = 1; 	/* save state */
+		r.es = (long)buf >> 4;
+		r.ebx = (long)buf & 0xf;
+
+		if (call_bios()) {
+			saved = true;
+			memcpy(state_buf, buf, state_size);
+		}
+
+		LRMI_free_real(buf);
+	} else if (saved) {
+		void *buf = LRMI_alloc_real(state_size);
+		memcpy(buf, state_buf, state_size);
+
+		r.eax = VBE_FUN_SAVE_RESTORE_STATE;
+		r.ecx = 0xf; 	/* all states */
+		r.edx = 2; 	/* restore state */
+		r.es = (long)buf >> 4;
+		r.ebx = (long)buf & 0xf;
+
+		call_bios();
+		LRMI_free_real(buf);
+	}
+}
+
+static void save_restore_mode(bool save)
+{
+	static s16 mode = -1;
+
+	if (save) {
+		r.eax = VBE_FUN_GET_CURRENT_MODE;
+		if (call_bios()) mode = r.ebx;
+	} else if (mode != -1) {
+		r.eax = VBE_FUN_SET_MODE;
+		r.ebx = mode;
+		call_bios();
+	}
+}
+
+// input: mode 0 for auto-detect
+// return: -1 for failure
+static s16 get_mode(s16 mode, bool only_print)
+{
+	seteuid(0);
+	bool ret = (!LRMI_init() || ioperm(0, 1024, 1) || iopl(3));
+	seteuid(getuid());
+
+	if (ret) {
+		fprintf(stderr, "Using VESA requires root privilege\n");
+		return -1;
+	}
+
+	vbe_info_block *info = (vbe_info_block *)LRMI_alloc_real(sizeof(*info));
+
+	r.eax = VBE_FUN_GET_INFO;
+	r.es = (long)info >> 4;
+	memcpy(info->vbe_signature, "VBE2", 4);
+
+	if (!call_bios() || strncmp(info->vbe_signature, "VESA", 4) != 0) {
+		fprintf(stderr, "No VESA bios\n");
+		LRMI_free_real(info);
+		return -1;
+	}
+
+	s16 *mode_list = (s16*)(info->video_mode_list_seg * 16 + info->video_mode_list_off);
+	vbe_mode_info_block *minfo = (vbe_mode_info_block *)LRMI_alloc_real(sizeof(*minfo));
+	u32 xres_tmp, yres_tmp, bpp_tmp;
+	s16 mode_tmp = -1;
+	bool valid_mode = false;
+
+	for (; *mode_list != -1; mode_list++) {
+		r.eax = VBE_FUN_GET_MODE_INFO;
+		r.ecx = *mode_list;
+		r.es = (long)minfo >> 4;
+
+		if (!call_bios()) continue;
+
+		if (!(minfo->mode_attributes & VBE_ATTR_MODE_SUPPORTED)
+			|| !(minfo->mode_attributes & VBE_ATTR_COLOR)
+			|| !(minfo->mode_attributes & VBE_ATTR_GRAPHICS)
+			|| !(minfo->mode_attributes & VBE_ATTR_LINEAR)) continue;
+
+        switch (minfo->bits_per_pixel) {
+        case 8:
+                if (minfo->memory_model != VBE_MODEL_PACKED) continue;
+                break;
+        case 15:
+        case 16:
+        case 32:
+                if (minfo->memory_model != VBE_MODEL_RGB) continue;
+                break;
+        default:
+                continue;
+        }
+
+		valid_mode = true;
+
+		if (only_print) {
+			printf("[%d]: %dx%d-%dbpp\n", *mode_list,
+				minfo->x_resolution, minfo->y_resolution, minfo->bits_per_pixel);
+		} else {
+			if (mode) {
+				if (mode == *mode_list) return mode;
+			} else {
+				if ((mode_tmp == -1)
+					|| (minfo->x_resolution > xres_tmp && minfo->y_resolution > yres_tmp)
+					|| (minfo->x_resolution == xres_tmp && minfo->y_resolution == yres_tmp && minfo->bits_per_pixel > bpp_tmp)) {
+
+					mode_tmp = *mode_list;
+					xres_tmp = minfo->x_resolution;
+					yres_tmp = minfo->y_resolution;
+					bpp_tmp = minfo->bits_per_pixel;
+				}
+			}
+		}
+	}
+
+	if (!valid_mode) fprintf(stderr, "can't find a valid VESA mode for your video card\n");
+	else if (!only_print && mode_tmp == -1) fprintf(stderr, "%d isn't a valid VESA mode for your video card\n", mode);
+
+	LRMI_free_real(info);
+	LRMI_free_real(minfo);
+	return mode_tmp;
+}
+
+void VesaDev::printModes()
+{
+	get_mode(0, true);
+}
+
+VesaDev *VesaDev::initVesaDev(s16 mode)
+{
+	cur_mode = get_mode(mode, false);
+	if (cur_mode == -1) return 0;
+
+	void *minfo = LRMI_alloc_real(sizeof(mode_info));
+
+	r.eax = VBE_FUN_GET_MODE_INFO;
+	r.ecx = cur_mode;
+	r.es = (long)minfo >> 4;
+	call_bios();
+
+	memcpy(&mode_info, minfo, sizeof(mode_info));
+	LRMI_free_real(minfo);
+
+	cur_mode |= 0x4000; // use linear frame buffer mode
+	return new VesaDev();
+}
+
+VesaDev::VesaDev()
+{
+	mWidth = mode_info.x_resolution;
+	mHeight = mode_info.y_resolution;
+	mBitsPerPixel = mode_info.bits_per_pixel;
+
+	scanline_width = mWidth;
+	scanline_height = mHeight;
+}
+
+VesaDev::~VesaDev()
+{
+	if (mVMemBase) munmap(mVMemBase, mBytesPerLine * scanline_height);
+}
+
+const s8 *VesaDev::drvId()
+{
+	return "VESA";
+}
+
+void VesaDev::switchVc(bool enter)
+{
+	if (enter) {
+		static bool inited = false;
+
+		if (!inited) {
+			save_restore_mode(true);
+			save_restore_state(true);
+		}
+
+		r.eax = VBE_FUN_SET_MODE;
+		r.ebx = cur_mode;
+		call_bios();
+
+		r.eax = VBE_FUN_LOGICAL_SCANLINE;
+		r.ebx = 0; // set scan line length in pixels
+		r.ecx = scanline_width;
+		call_bios();
+
+		if (!inited) {
+			inited = true;
+
+			r.eax = VBE_FUN_LOGICAL_SCANLINE;
+			r.ebx = 1; // get scan line length
+			call_bios(); // return ebx: scan line length in bytes
+						 //        ecx: scan line length in pixels
+						 //        edx: maximum scan lines
+
+			mBytesPerLine = r.ebx;
+			initScrollType();
+
+			seteuid(0);
+			s32 fd = open("/dev/mem", O_RDWR);
+			seteuid(getuid());
+
+			mVMemBase = (u8 *)mmap(0, mBytesPerLine * scanline_height, PROT_READ | PROT_WRITE, MAP_SHARED, fd, mode_info.phys_base_ptr);
+			close(fd);
+		}
+	} else {
+		save_restore_mode(false);
+		save_restore_state(false);
+	}
+
+	Screen::switchVc(enter);
+}
+
+void VesaDev::initScrollType()
+{
+	r.eax = VBE_FUN_DISPLAY_START;
+	r.ebx = 0; // set display start
+	r.ecx = 0; // x = 0
+	r.edx = 0; // y = 0
+	if (!call_bios()) return;
+
+	if (mRotateType == Rotate0 || mRotateType == Rotate180) {
+		r.eax = VBE_FUN_LOGICAL_SCANLINE;
+		r.ebx = 1; // get scan line length
+		call_bios();
+
+		u32 max_height = MIN(r.edx, MAX_VIDEO_MEM / mBytesPerLine);
+		if (max_height <= mHeight) return;
+
+		mScrollType = YPan;
+		mOffsetMax = max_height - mHeight;
+		scanline_height = max_height;
+	} else {
+		// mWidth/mHeight has been swapped
+		u32 width = mHeight, height = mWidth;
+
+		r.eax = VBE_FUN_LOGICAL_SCANLINE;
+		r.ebx = 3; // get maximum scan line length
+		if (!call_bios()) return;
+
+		u32 max_width = r.ecx;
+
+		r.eax = VBE_FUN_LOGICAL_SCANLINE;
+		r.ebx = 0; // set scan line length in pixels
+		call_bios();
+
+		r.eax = VBE_FUN_LOGICAL_SCANLINE;
+		r.ebx = 1; // get scan line length
+		call_bios();
+
+		if (r.ecx <= width || r.edx < height) return;
+
+		scanline_width = max_width;
+		mScrollType = XPan;
+		mBytesPerLine = r.ebx;
+		mOffsetMax = r.ecx - width;
+	}
+}
+
+void VesaDev::setupOffset()
+{
+	if (mScrollType != YPan && mScrollType != XPan) return;
+
+	r.eax = VBE_FUN_DISPLAY_START;
+	r.ebx = 0; // set display start
+	if (mScrollType == YPan) {
+		r.ecx = 0;
+		r.edx = mOffsetCur;
+	} else {
+		r.ecx = mOffsetCur;
+		r.edx = 0;
+	}
+	call_bios();
+}
+
+void VesaDev::setupPalette(bool restore)
+{
+	if (mode_info.memory_model != VBE_MODEL_PACKED || restore) return;
+
+	vbe_palette_entry *buf = (vbe_palette_entry *)LRMI_alloc_real(sizeof(*buf) * NR_COLORS);
+
+	for (u32 i = 0; i < NR_COLORS; i++) {
+		buf[i].red = mPalette[i].red >> 2;
+		buf[i].green = mPalette[i].green >> 2;
+		buf[i].blue = mPalette[i].blue >> 2;
+	}
+
+	r.eax = VBE_FUN_PALETTE_DATA;
+	r.ebx = 0; // set palette data
+	r.ecx = NR_COLORS; // number of palette entry
+	r.edx = 0; // first palette entry
+	r.es = (long)buf >> 4;
+	call_bios();
+
+	LRMI_free_real(buf);
+}
+#endif
diff --git a/src/vesadev.h b/src/vesadev.h
new file mode 100644
index 0000000..61020aa
--- /dev/null
+++ b/src/vesadev.h
@@ -0,0 +1,42 @@
+/*
+ *   Copyright © 2008-2010 dragchan <zgchan317@gmail.com>
+ *   This file is part of FbTerm.
+ *
+ *   This program is free software; you can redistribute it and/or
+ *   modify it under the terms of the GNU General Public License
+ *   as published by the Free Software Foundation; either version 2
+ *   of the License, or (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#ifndef VESADEV_H
+#define VESADEV_H
+
+#include "screen.h"
+
+class VesaDev : public Screen {
+private:
+	friend class Screen;
+	static void printModes();
+	static VesaDev *initVesaDev(s16 mode);
+
+	VesaDev();
+	~VesaDev();
+
+	virtual void setupOffset();
+	virtual void setupPalette(bool restore);
+	virtual void switchVc(bool enter);
+	virtual const s8 *drvId();
+
+	void initScrollType();
+};
+#endif
diff --git a/terminfo/Makefile.am b/terminfo/Makefile.am
new file mode 100644
index 0000000..b023297
--- /dev/null
+++ b/terminfo/Makefile.am
@@ -0,0 +1,4 @@
+EXTRA_DIST = fbterm
+
+install-data-local:
+	tic fbterm
diff --git a/terminfo/Makefile.in b/terminfo/Makefile.in
new file mode 100644
index 0000000..92cfbd9
--- /dev/null
+++ b/terminfo/Makefile.in
@@ -0,0 +1,330 @@
+# Makefile.in generated by automake 1.11.1 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+# 2003, 2004, 2005, 2006, 2007, 2008, 2009  Free Software Foundation,
+# Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+VPATH = @srcdir@
+pkgdatadir = $(datadir)/@PACKAGE@
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+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+install_sh_DATA = $(install_sh) -c -m 644
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+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+subdir = terminfo
+DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in
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+	$(ACLOCAL_M4)
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+CONFIG_CLEAN_FILES =
+CONFIG_CLEAN_VPATH_FILES =
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+exec_prefix = @exec_prefix@
+host_alias = @host_alias@
+htmldir = @htmldir@
+includedir = @includedir@
+infodir = @infodir@
+install_sh = @install_sh@
+libdir = @libdir@
+libexecdir = @libexecdir@
+localedir = @localedir@
+localstatedir = @localstatedir@
+mandir = @mandir@
+mkdir_p = @mkdir_p@
+oldincludedir = @oldincludedir@
+pdfdir = @pdfdir@
+prefix = @prefix@
+program_transform_name = @program_transform_name@
+psdir = @psdir@
+sbindir = @sbindir@
+sharedstatedir = @sharedstatedir@
+srcdir = @srcdir@
+sysconfdir = @sysconfdir@
+target_alias = @target_alias@
+top_build_prefix = @top_build_prefix@
+top_builddir = @top_builddir@
+top_srcdir = @top_srcdir@
+EXTRA_DIST = fbterm
+all: all-am
+
+.SUFFIXES:
+$(srcdir)/Makefile.in:  $(srcdir)/Makefile.am  $(am__configure_deps)
+	@for dep in $?; do \
+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
+	        && { if test -f $@; then exit 0; else break; fi; }; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu terminfo/Makefile'; \
+	$(am__cd) $(top_srcdir) && \
+	  $(AUTOMAKE) --gnu terminfo/Makefile
+.PRECIOUS: Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe);; \
+	esac;
+
+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+
+$(top_srcdir)/configure:  $(am__configure_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(ACLOCAL_M4):  $(am__aclocal_m4_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(am__aclocal_m4_deps):
+tags: TAGS
+TAGS:
+
+ctags: CTAGS
+CTAGS:
+
+
+distdir: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
+all-am: Makefile
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+install: install-am
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+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	$(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	  install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	  `test -z '$(STRIP)' || \
+	    echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic mostlyclean-am
+
+distclean: distclean-am
+	-rm -f Makefile
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+dvi: dvi-am
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+install-pdf: install-pdf-am
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+install-ps-am:
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+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+	-rm -f Makefile
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+mostlyclean-am: mostlyclean-generic
+
+pdf: pdf-am
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+pdf-am:
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+ps: ps-am
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+ps-am:
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+uninstall-am:
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+.MAKE: install-am install-strip
+
+.PHONY: all all-am check check-am clean clean-generic distclean \
+	distclean-generic distdir dvi dvi-am html html-am info info-am \
+	install install-am install-data install-data-am \
+	install-data-local install-dvi install-dvi-am install-exec \
+	install-exec-am install-html install-html-am install-info \
+	install-info-am install-man install-pdf install-pdf-am \
+	install-ps install-ps-am install-strip installcheck \
+	installcheck-am installdirs maintainer-clean \
+	maintainer-clean-generic mostlyclean mostlyclean-generic pdf \
+	pdf-am ps ps-am uninstall uninstall-am
+
+
+install-data-local:
+	tic fbterm
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/terminfo/fbterm b/terminfo/fbterm
new file mode 100644
index 0000000..30c80c7
--- /dev/null
+++ b/terminfo/fbterm
@@ -0,0 +1,33 @@
+#	Reconstructed via infocmp from file: /lib/terminfo/l/linux
+fbterm|framebuffer based terminal emulator,
+	am, bce, ccc, eo, mir, msgr, xenl, xon,
+	colors#256, it#8, ncv#18, pairs#32767,
+	acsc=+\020\,\021-\030.^Y0\333`\004a\261f\370g\361h\260i\316j\331k\277l\332m\300n\305o~p\304q\304r\304s_t\303u\264v\301w\302x\263y\363z\362{\343|\330}\234~\376,
+	bel=^G, blink=\E[5m, bold=\E[1m, civis=\E[?25l\E[?1c,
+	clear=\E[H\E[J, cnorm=\E[?25h\E[?0c, cr=^M,
+	csr=\E[%i%p1%d;%p2%dr, cub1=^H, cud1=^J, cuf1=\E[C,
+	cup=\E[%i%p1%d;%p2%dH, cuu1=\E[A, cvvis=\E[?25h\E[?8c,
+	dch=\E[%p1%dP, dch1=\E[P, dim=\E[2m, dl=\E[%p1%dM,
+	dl1=\E[M, ech=\E[%p1%dX, ed=\E[J, el=\E[K, el1=\E[1K,
+	flash=\E[?5h\E[?5l$<200/>, home=\E[H, hpa=\E[%i%p1%dG,
+	ht=^I, hts=\EH, ich=\E[%p1%d@, ich1=\E[@, il=\E[%p1%dL,
+	il1=\E[L, ind=^J,
+	initc=\E[3;%p1%d;%p2%d;%p3%d;%p4%d},
+	kb2=\E[G, kbs=\177, kcbt=\E[Z, kcub1=\E[D, kcud1=\E[B,
+	kcuf1=\E[C, kcuu1=\E[A, kdch1=\E[3~, kend=\E[4~, kf1=\E[[A,
+	kf10=\E[21~, kf11=\E[23~, kf12=\E[24~, kf13=\E[25~,
+	kf14=\E[26~, kf15=\E[28~, kf16=\E[29~, kf17=\E[31~,
+	kf18=\E[32~, kf19=\E[33~, kf2=\E[[B, kf20=\E[34~,
+	kf3=\E[[C, kf4=\E[[D, kf5=\E[[E, kf6=\E[17~, kf7=\E[18~,
+	kf8=\E[19~, kf9=\E[20~, khome=\E[1~, kich1=\E[2~,
+	kmous=\E[M, knp=\E[6~, kpp=\E[5~, kspd=^Z, nel=^M^J, oc=\E]R,
+	op=\E[39;49m, rc=\E8, rev=\E[7m, ri=\EM, rmacs=\E[10m,
+	rmam=\E[?7l, rmir=\E[4l, rmpch=\E[10m, rmso=\E[27m,
+	rmul=\E[24m, rs1=\Ec\E]R, sc=\E7,
+	setab=\E[2;%p1%d}, setaf=\E[1;%p1%d},
+	setb=\E[2;%p1%d}, setf=\E[1;%p1%d},
+	sgr=\E[0;10%?%p1%t;7%;%?%p2%t;4%;%?%p3%t;7%;%?%p4%t;5%;%?%p5%t;2%;%?%p6%t;1%;%?%p7%t;8%;%?%p9%t;11%;m,
+	sgr0=\E[0;10m, smacs=\E[11m, smam=\E[?7h, smir=\E[4h,
+	smpch=\E[11m, smso=\E[7m, smul=\E[4m, tbc=\E[3g,
+	u6=\E[%i%d;%dR, u7=\E[6n, u8=\E[?6c, u9=\E[c,
+	vpa=\E[%i%p1%dd,