* configure configure.in Makefile.in: Update to new configure

	scheme which is more compatible with WinGDB builds.
	* configure.in:  Improve comment on how to run autoconf.
	* configure:  Re-run autoconf to get new ../common/aclocal.m4.
	* Makefile.in:  Use autoconf substitution to install common
	makefile fragment.

4 files changed, 974 insertions, 246 deletions

diff --git a/sim/sh/ChangeLog b/sim/sh/ChangeLog
index 0d75181151..2901fd9105 100644
--- a/sim/sh/ChangeLog
+++ b/sim/sh/ChangeLog
@@ -1,3 +1,63 @@
+Thu Jan 23 11:46:23 1997  Stu Grossman  (grossman@critters.cygnus.com)
+
+	* configure configure.in Makefile.in:  Update to new configure
+	scheme which is more compatible with WinGDB builds.
+	* configure.in:  Improve comment on how to run autoconf.
+	* configure:  Re-run autoconf to get new ../common/aclocal.m4.
+	* Makefile.in:  Use autoconf substitution to install common
+	makefile fragment.
+
+Wed Nov 20 02:04:32 1996  Doug Evans  <dje@canuck.cygnus.com>
+
+	* Makefile.in: Delete stuff moved to ../common/Make-common.in.
+	(SIM_OBJS,SIM_EXTRA_LIBS): Define.
+	* configure.in: Simplify using macros in ../common/aclocal.m4.
+	Call AC_CHECK_HEADERS(unistd.h).
+	* configure: Regenerated.
+	* config.in: New file.
+	* interp.c: #include "config.h".  #include <unistd.h> if present.
+	(trap): Fetch errno value with callback->get_errno.
+
+Tue Nov 12 13:34:00 1996  Dawn Perchik  <dawn@cygnus.com>   
+
+	* interp.c: Don't include windows polling code if inside simluator.
+
+Fri Sep 20 14:57:50 1996  Stan Shebs  <shebs@andros.cygnus.com>
+
+	* interp.c: Minor formatting improvements.
+	(saved_state_type): Add bank registers.
+	(bp_holder): New function, use to break on when debugging BUSERROR.
+	(BUSERROR): Call it if bus error occurs.
+
+Wed Jun 26 12:29:22 1996  Jason Molenda  (crash@godzilla.cygnus.co.jp)
+
+        * Makefile.in (bindir, libdir, datadir, mandir, infodir, includedir,
+        INSTALL_PROGRAM, INSTALL_DATA): Use autoconf-set values.
+        (docdir): Removed.
+        * configure.in (AC_PREREQ): autoconf 2.5 or higher.
+        (AC_PROG_INSTALL): Added.
+        * configure: Rebuilt.
+
+Thu May 16 15:44:29 1996  Ian Lance Taylor  <ian@cygnus.com>
+
+	* interp.c (saved_state_type): Add memstalls field.
+	(MA) Define macro.
+	(sim_resume): New local variable memstalls.  Add it back in to
+	saved_state at the end of the function.
+	(sim_info): Report memstalls.
+	* gencode.c (tab): Add MA() to the execution string of all
+	instructions which access memory.
+
+Wed Feb 21 12:16:41 1996  Ian Lance Taylor  <ian@cygnus.com>
+
+	* configure: Regenerate with autoconf 2.7.
+
+Tue Dec  5 16:38:55 1995  Stu Grossman  (grossman@cygnus.com)
+
+	* gencode.c (mac.l):  Don't abort GDB if executing mac.l
+	instruction (which is unimplemented).  Generate a SIGTRAP (in the
+	simulated target) instead.
+
 Mon Dec  4 12:22:24 1995  J.T. Conklin  <jtc@rtl.cygnus.com>
 
 	* gencode.c (tab): Added several sh3 opcodes.
@@ -11,12 +71,10 @@ Wed Nov 29 12:39:27 1995  Jim Wilson  <wilson@chestnut.cygnus.com>
 	the and operation instead of after.  For shad delete cast.  For shld
 	use UR instead of R and delete cast.
 
-start-sanitize-sh3e
 Fri Nov 17 12:48:55 1995  Jim Wilson  <wilson@chestnut.cygnus.com>
 
 	* gencode.c (tab): Add explicit NaN support for ftrc instruction.
 
-end-sanitize-sh3e
 Wed Nov 15 11:25:27 1995  Stu Grossman  (grossman@cygnus.com)
 
 	* interp.c:  Make target_byte_order be extern to prevent SGI cc from
@@ -36,13 +94,11 @@ Sat Oct 21 13:01:18 1995  Jim Wilson  <wilson@chestnut.cygnus.com>
 	* gencode.c (gensim): Indicate SIGILL instead of calling abort for
 	default case.
 
-start-sanitize-sh3e
 Mon Oct 16 18:24:03 1995  Jim Wilson  <wilson@chestnut.cygnus.com>
 
 	* interp.c (saved_state_type): Move FP registers to immediately
 	after SR.
 
-end-sanitize-sh3e
 Tue Oct 10 11:12:15 1995  Fred Fish  <fnf@cygnus.com>
 
 	* Makefile.in (BISON): Remove macro.
@@ -82,14 +138,12 @@ Fri Sep 15 19:30:05 1995  steve chamberlain  <sac@slash.cygnus.com>
 
 	* syscall.h: Copy from newlib.
 
-start-sanitize-sh3e
 Thu Sep 14 19:32:59 1995  Stu Grossman  (grossman@cygnus.com)
 
 	* gencode.c:  Back up PC by 2 for breakpoints.
 	* interp.c:  Move fp regs beyond pc/pr/etc to avoid confusing GDB,
 	which expect pc to immediatly follow regs[].
 
-end-sanitize-sh3e
 Fri Sep  8 14:18:13 1995  Ian Lance Taylor  <ian@cygnus.com>
 
 	* configure.in: Define CC_FOR_BUILD.  Don't call AC_PROG_INSTALL.
@@ -116,17 +170,14 @@ Thu Sep  7 15:02:31 1995  J.T. Conklin  <jtc@rtl.cygnus.com>
 	(CC, CFLAGS, AR, RANLIB, INSTALL): Compute values.
 	* configure: Regenerated.
 
-start-sanitize-sh3e
 Thu Aug 31 12:39:07 1995  Jim Wilson  <wilson@chestnut.cygnus.com>
 
 	* interp.c: Include <math.h>.
 
-end-sanitize-sh3e
 Wed Aug 30 22:05:17 1995  Jeff Law  (law@snake.cs.utah.edu)
 
 	* Makefile.in (run): Link in math library too.
 	* gencode.c (gensim): abort if an unknown opcode is encountered.
-start-sanitize-sh3e
 	* interp.c (FPSCR, FPUL): Define.
 	(struct save_state): Add fields for floating point registers,
 	FPSCR and FPUL.
@@ -134,7 +185,6 @@ start-sanitize-sh3e
 	in the save state structure.
 	* gencode.c: Add sh3e opcodes.
 	(gensym): Define a buffer for int<->fp conversions.
-end-sanitize-sh3e
 
 Tue Aug 22 14:16:46 1995  J.T. Conklin  <jtc@rtl.cygnus.com>
 
diff --git a/sim/sh/Makefile.in b/sim/sh/Makefile.in
index cdd838e61b..dfa52aaad4 100644
--- a/sim/sh/Makefile.in
+++ b/sim/sh/Makefile.in
@@ -1,5 +1,5 @@
 #    Makefile template for Configure for the SH sim library.
-#    Copyright (C) 1990, 1991, 1992, 1995 Free Software Foundation, Inc.
+#    Copyright (C) 1990, 1991, 1992, 1995, 1996 Free Software Foundation, Inc.
 #    Written by Cygnus Support.
 # 
 # This program is free software; you can redistribute it and/or modify
@@ -16,138 +16,20 @@
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 
-VPATH = @srcdir@
-srcdir = @srcdir@
-srcroot = $(srcdir)/../..
+SIM_OBJS = interp.o table.o
+SIM_EXTRA_LIBS = -lm
 
-prefix = @prefix@
-exec_prefix = @exec_prefix@
+@COMMON_MAKEFILE_FRAG@
 
-host_alias = @host_alias@
-target_alias = @target_alias@
-program_transform_name = @program_transform_name@
-bindir = $(exec_prefix)/bin
+interp.o: interp.c code.c table.c
 
-libdir = $(exec_prefix)/lib
-tooldir = $(libdir)/$(target_alias)
-
-datadir = $(prefix)/lib
-mandir = $(prefix)/man
-man1dir = $(mandir)/man1
-man2dir = $(mandir)/man2
-man3dir = $(mandir)/man3
-man4dir = $(mandir)/man4
-man5dir = $(mandir)/man5
-man6dir = $(mandir)/man6
-man7dir = $(mandir)/man7
-man8dir = $(mandir)/man8
-man9dir = $(mandir)/man9
-infodir = $(prefix)/info
-includedir = $(prefix)/include
-docdir = $(datadir)/doc
-
-SHELL = /bin/sh
-
-INSTALL = $(srcroot)/install.sh -c
-INSTALL_PROGRAM = $(INSTALL)
-INSTALL_DATA = $(INSTALL)
-INSTALL_XFORM = $(INSTALL) -t='$(program_transform_name)'
-INSTALL_XFORM1= $(INSTALL_XFORM) -b=.1
-
-AR = @AR@
-AR_FLAGS = rc
-CC = @CC@
-CFLAGS = @CFLAGS@
-BISON = bison
-MAKEINFO = makeinfo
-RANLIB = @RANLIB@
-CC_FOR_BUILD = @CC_FOR_BUILD@
-
-HDEFINES = @HDEFINES@
-TDEFINES =
-
-.NOEXPORT:
-MAKEOVERRIDES=
-
-X=xstuff.o
-XL=-lX11
-X=
-XL=
-
-INCDIR = $(srcdir)/../../include 
-CSEARCH = -I. -I$(srcdir)  -I../../include  \
-  -I../../bfd -I$(INCDIR) -I$(srcdir)/../../bfd -I$(srcdir)/../../gdb -I$(srcdir)/../../newlib/libc/sys/sh
-DEP = mkdep
-
-all:	run libsim.a
-
-run:	interp.o $(X) run.o table.o
-	$(CC) $(CFLAGS) -o run $(X) interp.o table.o run.o ../../bfd/libbfd.a ../../libiberty/libiberty.a $(XL) -lm
-
-interp.o:interp.c code.c table.c
-run.o:run.c 
-
-libsim.a:interp.o table.o
-	$(AR) $(ARFLAGS) libsim.a interp.o table.o
-	$(RANLIB) libsim.a
-
-code.c:gencode
+code.c: gencode
 	./gencode -x >code.c
 #	indent code.c
 
-table.c:gencode
+table.c: gencode
 	./gencode -s >table.c
 #	indent table.c
 
-gencode:gencode.c
+gencode: gencode.c
 	$(CC_FOR_BUILD) -o gencode $(srcdir)/gencode.c
-
-.c.o:
-	$(CC) -c $(CFLAGS) $(HDEFINES) $(TDEFINES) $(CSEARCH) $(CSWITCHES) $<
-
-check:
-
-info:
-clean-info:
-install-info:
-
-tags etags: TAGS
-
-TAGS: force
-	etags $(INCDIR)/*.h $(srcdir)/*.h $(srcdir)/*.c
-
-clean:
-	rm -f *.[oa] *~ core *.E *.p *.ip aout-params.h gen-aout
-	rm -f run libsim.a
-
-distclean mostlyclean maintainer-clean realclean: clean
-	rm -f TAGS
-	rm -f Makefile config.cache config.log config.status
-
-# Dummy target to force execution of dependent targets.
-#
-force:
-
-# Copy the files into directories where they will be run.
-install:
-	$(INSTALL_XFORM) run $(bindir)/run
-
-install-man: run.1
-	$(INSTALL_XFORM1) $(srcdir)/run.1 $(man1dir)/run.1
-
-Makefile: Makefile.in config.status
-	$(SHELL) ./config.status
-
-config.status: configure
-	$(SHELL) ./config.status --recheck
-
-dep: $(CFILES)
-	mkdep $(CFLAGS) $?
-
-# What appears below is generated by a hacked mkdep using gcc -MM.
-
-# DO NOT DELETE THIS LINE -- mkdep uses it.
-# DO NOT PUT ANYTHING AFTER THIS LINE, IT WILL GO AWAY.
-
-
-# IF YOU PUT ANYTHING HERE IT WILL GO AWAY
diff --git a/sim/sh/configure b/sim/sh/configure
index ab957dcde1..83628ec6e7 100755
--- a/sim/sh/configure
+++ b/sim/sh/configure
@@ -1,8 +1,8 @@
 #! /bin/sh
 
 # Guess values for system-dependent variables and create Makefiles.
-# Generated automatically using autoconf version 2.4.2 
-# Copyright (C) 1992, 1993, 1994 Free Software Foundation, Inc.
+# Generated automatically using autoconf version 2.12 
+# Copyright (C) 1992, 93, 94, 95, 96 Free Software Foundation, Inc.
 #
 # This configure script is free software; the Free Software Foundation
 # gives unlimited permission to copy, distribute and modify it.
@@ -11,6 +11,14 @@
 ac_help=
 ac_default_prefix=/usr/local
 # Any additions from configure.in:
+ac_help="$ac_help
+  --enable-sim-cflags=opts		Extra CFLAGS for use in building simulator"
+ac_help="$ac_help
+  --enable-sim-debug=opts		Enable debugging flags"
+ac_help="$ac_help
+  --enable-sim-trace=opts		Enable tracing flags"
+ac_help="$ac_help
+  --enable-sim-bswap			Use Host specific BSWAP instruction."
 
 # Initialize some variables set by options.
 # The variables have the same names as the options, with
@@ -48,6 +56,9 @@ mandir='${prefix}/man'
 
 # Initialize some other variables.
 subdirs=
+MFLAGS= MAKEFLAGS=
+# Maximum number of lines to put in a shell here document.
+ac_max_here_lines=12
 
 ac_prev=
 for ac_option
@@ -147,9 +158,11 @@ Directory and file names:
   --bindir=DIR            user executables in DIR [EPREFIX/bin]
   --sbindir=DIR           system admin executables in DIR [EPREFIX/sbin]
   --libexecdir=DIR        program executables in DIR [EPREFIX/libexec]
-  --datadir=DIR           read-only architecture-independent data in DIR [PREFIX/share]
+  --datadir=DIR           read-only architecture-independent data in DIR
+                          [PREFIX/share]
   --sysconfdir=DIR        read-only single-machine data in DIR [PREFIX/etc]
-  --sharedstatedir=DIR    modifiable architecture-independent data in DIR [PREFIX/com]
+  --sharedstatedir=DIR    modifiable architecture-independent data in DIR
+                          [PREFIX/com]
   --localstatedir=DIR     modifiable single-machine data in DIR [PREFIX/var]
   --libdir=DIR            object code libraries in DIR [EPREFIX/lib]
   --includedir=DIR        C header files in DIR [PREFIX/include]
@@ -159,7 +172,8 @@ Directory and file names:
   --srcdir=DIR            find the sources in DIR [configure dir or ..]
   --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
+  --program-transform-name=PROGRAM
+                          run sed PROGRAM on installed program names
 EOF
     cat << EOF
 Host type:
@@ -173,8 +187,10 @@ Features and packages:
   --without-PACKAGE       do not use PACKAGE (same as --with-PACKAGE=no)
   --x-includes=DIR        X include files are in DIR
   --x-libraries=DIR       X library files are in DIR
---enable and --with options recognized:$ac_help
 EOF
+    if test -n "$ac_help"; then
+      echo "--enable and --with options recognized:$ac_help"
+    fi
     exit 0 ;;
 
   -host | --host | --hos | --ho)
@@ -324,7 +340,7 @@ EOF
     verbose=yes ;;
 
   -version | --version | --versio | --versi | --vers)
-    echo "configure generated by autoconf version 2.4.2"
+    echo "configure generated by autoconf version 2.12"
     exit 0 ;;
 
   -with-* | --with-*)
@@ -370,7 +386,7 @@ EOF
   -*) { echo "configure: error: $ac_option: invalid option; use --help to show usage" 1>&2; exit 1; }
     ;;
 
-  *) 
+  *)
     if test -n "`echo $ac_option| sed 's/[-a-z0-9.]//g'`"; then
       echo "configure: warning: $ac_option: invalid host type" 1>&2
     fi
@@ -426,11 +442,14 @@ do
 done
 
 # NLS nuisances.
-# Only set LANG and LC_ALL to C if already set.
-# These must not be set unconditionally because not all systems understand
-# e.g. LANG=C (notably SCO).
-if test "${LC_ALL+set}" = set; then LC_ALL=C; export LC_ALL; fi
+# Only set these to C if already set.  These must not be set unconditionally
+# because not all systems understand e.g. LANG=C (notably SCO).
+# Fixing LC_MESSAGES prevents Solaris sh from translating var values in `set'!
+# Non-C LC_CTYPE values break the ctype check.
 if test "${LANG+set}"   = set; then LANG=C;   export LANG;   fi
+if test "${LC_ALL+set}" = set; then LC_ALL=C; export LC_ALL; fi
+if test "${LC_MESSAGES+set}" = set; then LC_MESSAGES=C; export LC_MESSAGES; fi
+if test "${LC_CTYPE+set}"    = set; then LC_CTYPE=C;    export LC_CTYPE;    fi
 
 # confdefs.h avoids OS command line length limits that DEFS can exceed.
 rm -rf conftest* confdefs.h
@@ -489,12 +508,10 @@ fi
 
 ac_ext=c
 # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
-ac_cpp='echo $CPP $CPPFLAGS 1>&5;
-$CPP $CPPFLAGS'
-ac_compile='echo ${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5;
-${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5 2>&5'
-ac_link='echo ${CC-cc} -o conftest $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5;
-${CC-cc} -o conftest $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5 2>&5'
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
+ac_link='${CC-cc} -o conftest $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
+cross_compiling=$ac_cv_prog_cc_cross
 
 if (echo "testing\c"; echo 1,2,3) | grep c >/dev/null; then
   # Stardent Vistra SVR4 grep lacks -e, says ghazi@caip.rutgers.edu.
@@ -510,6 +527,10 @@ fi
 
 
 
+
+# autoconf.info says this should be called right after AC_INIT.
+
+
 ac_aux_dir=
 for ac_dir in `cd $srcdir;pwd`/../.. $srcdir/`cd $srcdir;pwd`/../..; do
   if test -f $ac_dir/install-sh; then
@@ -536,7 +557,7 @@ ac_configure=$ac_aux_dir/configure # This should be Cygnus configure.
 #
 # The rules are:
 # 1. You are not allowed to specify --host, --target, and nonopt at the
-#    same time. 
+#    same time.
 # 2. Host defaults to nonopt.
 # 3. If nonopt is not specified, then host defaults to the current host,
 #    as determined by config.guess.
@@ -557,6 +578,7 @@ else { echo "configure: error: can not run $ac_config_sub" 1>&2; exit 1; }
 fi
 
 echo $ac_n "checking host system type""... $ac_c" 1>&6
+echo "configure:582: checking host system type" >&5
 
 host_alias=$host
 case "$host_alias" in
@@ -571,12 +593,13 @@ NONE)
 esac
 
 host=`$ac_config_sub $host_alias`
-host_cpu=`echo $host | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
-host_vendor=`echo $host | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
-host_os=`echo $host | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
+host_cpu=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
+host_vendor=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
+host_os=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 echo "$ac_t""$host" 1>&6
 
 echo $ac_n "checking target system type""... $ac_c" 1>&6
+echo "configure:603: checking target system type" >&5
 
 target_alias=$target
 case "$target_alias" in
@@ -588,12 +611,13 @@ NONE)
 esac
 
 target=`$ac_config_sub $target_alias`
-target_cpu=`echo $target | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
-target_vendor=`echo $target | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
-target_os=`echo $target | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
+target_cpu=`echo $target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
+target_vendor=`echo $target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
+target_os=`echo $target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 echo "$ac_t""$target" 1>&6
 
 echo $ac_n "checking build system type""... $ac_c" 1>&6
+echo "configure:621: checking build system type" >&5
 
 build_alias=$build
 case "$build_alias" in
@@ -605,9 +629,9 @@ NONE)
 esac
 
 build=`$ac_config_sub $build_alias`
-build_cpu=`echo $build | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
-build_vendor=`echo $build | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
-build_os=`echo $build | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
+build_cpu=`echo $build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
+build_vendor=`echo $build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
+build_os=`echo $build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 echo "$ac_t""$build" 1>&6
 
 test "$host_alias" != "$target_alias" &&
@@ -618,8 +642,10 @@ test "$host_alias" != "$target_alias" &&
 if test "$program_transform_name" = s,x,x,; then
   program_transform_name=
 else
-  # Double any \ or $.
-  echo 's,\\,\\\\,g; s,\$,$$,g' > conftestsed
+  # Double any \ or $.  echo might interpret backslashes.
+  cat <<\EOF_SED > conftestsed
+s,\\,\\\\,g; s,\$,$$,g
+EOF_SED
   program_transform_name="`echo $program_transform_name|sed -f conftestsed`"
   rm -f conftestsed
 fi
@@ -632,12 +658,10 @@ test "$program_suffix" != NONE &&
 # sed with no file args requires a program.
 test "$program_transform_name" = "" && program_transform_name="s,x,x,"
 
-
-. ${srcdir}/../../bfd/configure.host
-
 # Extract the first word of "gcc", so it can be a program name with args.
 set dummy gcc; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
+echo "configure:665: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -645,7 +669,7 @@ else
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
   IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}:"
-  for ac_dir in cc; do
+  for ac_dir in $PATH; do
     test -z "$ac_dir" && ac_dir=.
     if test -f $ac_dir/$ac_word; then
       ac_cv_prog_CC="gcc"
@@ -653,7 +677,6 @@ else
     fi
   done
   IFS="$ac_save_ifs"
-  test -z "$ac_cv_prog_CC" && ac_cv_prog_CC="cc"
 fi
 fi
 CC="$ac_cv_prog_CC"
@@ -663,8 +686,98 @@ else
   echo "$ac_t""no" 1>&6
 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
+echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
+echo "configure:694: checking for $ac_word" >&5
+if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  if test -n "$CC"; then
+  ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}:"
+  ac_prog_rejected=no
+  for ac_dir in $PATH; do
+    test -z "$ac_dir" && ac_dir=.
+    if test -f $ac_dir/$ac_word; then
+      if test "$ac_dir/$ac_word" = "/usr/ucb/cc"; then
+        ac_prog_rejected=yes
+	continue
+      fi
+      ac_cv_prog_CC="cc"
+      break
+    fi
+  done
+  IFS="$ac_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 $# -gt 0; then
+    # We chose a different compiler from the bogus one.
+    # However, it has the same basename, so the bogon will be chosen
+    # first if we set CC to just the basename; use the full file name.
+    shift
+    set dummy "$ac_dir/$ac_word" "$@"
+    shift
+    ac_cv_prog_CC="$@"
+  fi
+fi
+fi
+fi
+CC="$ac_cv_prog_CC"
+if test -n "$CC"; then
+  echo "$ac_t""$CC" 1>&6
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+  test -z "$CC" && { echo "configure: error: no acceptable cc found in \$PATH" 1>&2; exit 1; }
+fi
+
+echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works""... $ac_c" 1>&6
+echo "configure:742: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
+
+ac_ext=c
+# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
+ac_link='${CC-cc} -o conftest $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
+cross_compiling=$ac_cv_prog_cc_cross
+
+cat > conftest.$ac_ext <<EOF
+#line 752 "configure"
+#include "confdefs.h"
+main(){return(0);}
+EOF
+if { (eval echo configure:756: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+  ac_cv_prog_cc_works=yes
+  # If we can't run a trivial program, we are probably using a cross compiler.
+  if (./conftest; exit) 2>/dev/null; then
+    ac_cv_prog_cc_cross=no
+  else
+    ac_cv_prog_cc_cross=yes
+  fi
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  ac_cv_prog_cc_works=no
+fi
+rm -fr conftest*
+
+echo "$ac_t""$ac_cv_prog_cc_works" 1>&6
+if test $ac_cv_prog_cc_works = no; then
+  { echo "configure: error: installation or configuration problem: C compiler cannot create executables." 1>&2; exit 1; }
+fi
+echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
+echo "configure:776: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo "$ac_t""$ac_cv_prog_cc_cross" 1>&6
+cross_compiling=$ac_cv_prog_cc_cross
 
 echo $ac_n "checking whether we are using GNU C""... $ac_c" 1>&6
+echo "configure:781: checking whether we are using GNU C" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -673,7 +786,7 @@ else
   yes;
 #endif
 EOF
-if ${CC-cc} -E conftest.c 2>&5 | egrep yes >/dev/null 2>&1; then
+if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:790: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
   ac_cv_prog_gcc=yes
 else
   ac_cv_prog_gcc=no
@@ -681,67 +794,40 @@ fi
 fi
 
 echo "$ac_t""$ac_cv_prog_gcc" 1>&6
+
 if test $ac_cv_prog_gcc = yes; then
   GCC=yes
-  if test "${CFLAGS+set}" != set; then
-    echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6
-if eval "test \"`echo '$''{'ac_cv_prog_gcc_g'+set}'`\" = set"; then
+  ac_test_CFLAGS="${CFLAGS+set}"
+  ac_save_CFLAGS="$CFLAGS"
+  CFLAGS=
+  echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6
+echo "configure:805: checking whether ${CC-cc} accepts -g" >&5
+if eval "test \"`echo '$''{'ac_cv_prog_cc_g'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   echo 'void f(){}' > conftest.c
 if test -z "`${CC-cc} -g -c conftest.c 2>&1`"; then
-  ac_cv_prog_gcc_g=yes
+  ac_cv_prog_cc_g=yes
 else
-  ac_cv_prog_gcc_g=no
+  ac_cv_prog_cc_g=no
 fi
 rm -f conftest*
 
 fi
 
-echo "$ac_t""$ac_cv_prog_gcc_g" 1>&6
-    if test $ac_cv_prog_gcc_g = yes; then
-      CFLAGS="-g -O"
-    else
-      CFLAGS="-O"
-    fi
+echo "$ac_t""$ac_cv_prog_cc_g" 1>&6
+  if test "$ac_test_CFLAGS" = set; then
+    CFLAGS="$ac_save_CFLAGS"
+  elif test $ac_cv_prog_cc_g = yes; then
+    CFLAGS="-g -O2"
+  else
+    CFLAGS="-O2"
   fi
 else
   GCC=
   test "${CFLAGS+set}" = set || CFLAGS="-g"
 fi
 
-
-
-AR=${AR-ar}
-
-# Extract the first word of "ranlib", so it can be a program name with args.
-set dummy ranlib; ac_word=$2
-echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
-  echo $ac_n "(cached) $ac_c" 1>&6
-else
-  if test -n "$RANLIB"; then
-  ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test.
-else
-  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}:"
-  for ac_dir in :; do
-    test -z "$ac_dir" && ac_dir=.
-    if test -f $ac_dir/$ac_word; then
-      ac_cv_prog_RANLIB="ranlib"
-      break
-    fi
-  done
-  IFS="$ac_save_ifs"
-  test -z "$ac_cv_prog_RANLIB" && ac_cv_prog_RANLIB=":"
-fi
-fi
-RANLIB="$ac_cv_prog_RANLIB"
-if test -n "$RANLIB"; then
-  echo "$ac_t""$RANLIB" 1>&6
-else
-  echo "$ac_t""no" 1>&6
-fi
-
 # 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:
@@ -753,11 +839,12 @@ fi
 # SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
 # ./install, which can be erroneously created by make from ./install.sh.
 echo $ac_n "checking for a BSD compatible install""... $ac_c" 1>&6
+echo "configure:843: checking for a BSD compatible install" >&5
 if test -z "$INSTALL"; then
 if eval "test \"`echo '$''{'ac_cv_path_install'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
-    IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}:"
+    IFS="${IFS= 	}"; ac_save_IFS="$IFS"; IFS="${IFS}:"
   for ac_dir in $PATH; do
     # Account for people who put trailing slashes in PATH elements.
     case "$ac_dir/" in
@@ -780,7 +867,7 @@ else
       ;;
     esac
   done
-  IFS="$ac_save_ifs"
+  IFS="$ac_save_IFS"
 
 fi
   if test "${ac_cv_path_install+set}" = set; then
@@ -801,8 +888,504 @@ test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}'
 
 test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
 
+echo $ac_n "checking whether byte ordering is bigendian""... $ac_c" 1>&6
+echo "configure:893: checking whether byte ordering is bigendian" >&5
+if eval "test \"`echo '$''{'ac_cv_c_bigendian'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  ac_cv_c_bigendian=unknown
+# See if sys/param.h defines the BYTE_ORDER macro.
+cat > conftest.$ac_ext <<EOF
+#line 900 "configure"
+#include "confdefs.h"
+#include <sys/types.h>
+#include <sys/param.h>
+int main() {
+
+#if !BYTE_ORDER || !BIG_ENDIAN || !LITTLE_ENDIAN
+ bogus endian macros
+#endif
+; return 0; }
+EOF
+if { (eval echo configure:911: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+  rm -rf conftest*
+  # It does; now see whether it defined to BIG_ENDIAN or not.
+cat > conftest.$ac_ext <<EOF
+#line 915 "configure"
+#include "confdefs.h"
+#include <sys/types.h>
+#include <sys/param.h>
+int main() {
+
+#if BYTE_ORDER != BIG_ENDIAN
+ not big endian
+#endif
+; return 0; }
+EOF
+if { (eval echo configure:926: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+  rm -rf conftest*
+  ac_cv_c_bigendian=yes
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  ac_cv_c_bigendian=no
+fi
+rm -f conftest*
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+fi
+rm -f conftest*
+if test $ac_cv_c_bigendian = unknown; then
+if test "$cross_compiling" = yes; then
+    { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
+else
+  cat > conftest.$ac_ext <<EOF
+#line 946 "configure"
+#include "confdefs.h"
+main () {
+  /* Are we little or big endian?  From Harbison&Steele.  */
+  union
+  {
+    long l;
+    char c[sizeof (long)];
+  } u;
+  u.l = 1;
+  exit (u.c[sizeof (long) - 1] == 1);
+}
+EOF
+if { (eval echo configure:959: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
+then
+  ac_cv_c_bigendian=no
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -fr conftest*
+  ac_cv_c_bigendian=yes
+fi
+rm -fr conftest*
+fi
+
+fi
+fi
+
+echo "$ac_t""$ac_cv_c_bigendian" 1>&6
+if test $ac_cv_c_bigendian = yes; then
+  cat >> confdefs.h <<\EOF
+#define WORDS_BIGENDIAN 1
+EOF
+
+fi
+
+
+# Put a plausible default for CC_FOR_BUILD in Makefile.
+
+if test "x$cross_compiling" = "xno"; then
+  CC_FOR_BUILD='$(CC)'
+else
+  CC_FOR_BUILD=gcc
+fi
+
+
+
+
+AR=${AR-ar}
+
+# Extract the first word of "ranlib", so it can be a program name with args.
+set dummy ranlib; ac_word=$2
+echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
+echo "configure:999: checking for $ac_word" >&5
+if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  if test -n "$RANLIB"; then
+  ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test.
+else
+  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}:"
+  for ac_dir in $PATH; do
+    test -z "$ac_dir" && ac_dir=.
+    if test -f $ac_dir/$ac_word; then
+      ac_cv_prog_RANLIB="ranlib"
+      break
+    fi
+  done
+  IFS="$ac_save_ifs"
+  test -z "$ac_cv_prog_RANLIB" && ac_cv_prog_RANLIB=":"
+fi
+fi
+RANLIB="$ac_cv_prog_RANLIB"
+if test -n "$RANLIB"; then
+  echo "$ac_t""$RANLIB" 1>&6
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+
+. ${srcdir}/../../bfd/configure.host
+
+
+# Check whether --enable-sim-cflags or --disable-sim-cflags was given.
+if test "${enable_sim_cflags+set}" = set; then
+  enableval="$enable_sim_cflags"
+  case "${enableval}" in
+  yes)	 sim_cflags="-O2";;
+  trace) { echo "configure: error: "Please use --enable-sim-debug instead."" 1>&2; exit 1; }; sim_cflags="";;
+  no)	 sim_cflags="";;
+  *)	 sim_cflags=`echo "${enableval}" | sed -e "s/,/ /g"`;;
+esac
+if test x"$silent" != x"yes" && test x"$sim_cflags" != x""; then
+  echo "Setting sim cflags = $sim_cflags" 6>&1
+fi
+else
+  sim_cflags=""
+fi
+
+
+# Check whether --enable-sim-debug or --disable-sim-debug was given.
+if test "${enable_sim_debug+set}" = set; then
+  enableval="$enable_sim_debug"
+  case "${enableval}" in
+  yes)	sim_debug="-DDEBUG=7";;
+  no)	sim_debug="-DDEBUG=0";;
+  *)	sim_debug="-DDEBUG='(${enableval})'";;
+esac
+if test x"$silent" != x"yes" && test x"$sim_debug" != x""; then
+  echo "Setting sim debug = $sim_debug" 6>&1
+fi
+else
+  sim_debug=""
+fi
+
+
+# Check whether --enable-sim-trace or --disable-sim-trace was given.
+if test "${enable_sim_trace+set}" = set; then
+  enableval="$enable_sim_trace"
+  case "${enableval}" in
+  yes)	sim_trace="-DTRACE=1";;
+  no)	sim_trace="-DTRACE=0";;
+  *)	sim_trace="-DTRACE='(${enableval})'";;
+esac
+if test x"$silent" != x"yes" && test x"$sim_trace" != x""; then
+  echo "Setting sim trace = $sim_trace" 6>&1
+fi
+else
+  sim_trace=""
+fi
+
+
+# Check whether --enable-sim-bswap or --disable-sim-bswap was given.
+if test "${enable_sim_bswap+set}" = set; then
+  enableval="$enable_sim_bswap"
+  case "${enableval}" in
+  yes)	sim_bswap="-DUSE_BSWAP";;
+  no)	sim_bswap="";;
+  *)	{ echo "configure: error: "--enable-sim-bswap does not take a value"" 1>&2; exit 1; }; sim_bswap="";;
+esac
+if test x"$silent" != x"yes" && test x"$sim_bswap" != x""; then
+  echo "Setting bswap flags = $sim_bswap" 6>&1
+fi
+else
+  sim_bswap=""
+fi
+
+
+sim_link_files=
+sim_link_links=
+
+sim_link_links=tconfig.h
+if test -f ${srcdir}/tconfig.in
+then
+  sim_link_files=tconfig.in
+else
+  sim_link_files=../common/tconfig.in
+fi
+
+case "${target}" in
+*-*-*)
+	sim_link_files="${sim_link_files} ../common/nltvals.def"
+	sim_link_links="${sim_link_links} targ-vals.def"
+	;;
+esac
+
+
+COMMON_MAKEFILE_FRAG=makefile-temp-$$
+cat > $COMMON_MAKEFILE_FRAG <<EOF
+VPATH = ${srcdir}
+srcdir = ${srcdir}
+srcroot = \$(srcdir)/../..
+
+prefix = ${prefix}
+exec_prefix = ${exec_prefix}
+
+host_alias = ${host_alias}
+target_alias = ${target_alias}
+program_transform_name = ${program_transform_name}
+bindir = ${bindir}
+
+libdir = ${libdir}
+tooldir = \$(libdir)/\$(target_alias)
+
+datadir = ${datadir}
+mandir = ${mandir}
+man1dir = \$(mandir)/man1
+infodir = ${infodir}
+includedir = ${includedir}
+
+SHELL = /bin/sh
+
+INSTALL = \$(srcroot)/install.sh -c
+INSTALL_PROGRAM = ${INSTALL_PROGRAM}
+INSTALL_DATA = ${INSTALL_DATA}
+INSTALL_XFORM = \$(INSTALL) -t='$(program_transform_name)'
+INSTALL_XFORM1= \$(INSTALL_XFORM) -b=.1
+
+CC = ${CC}
+CC_FOR_BUILD = ${CC_FOR_BUILD}
+CFLAGS = ${CFLAGS}
+SIM_CFLAGS = ${sim_cflags}
+SIM_DEBUG = ${sim_debug}
+SIM_TRACE = ${sim_trace}
+SIM_BSWAP = ${sim_bswap}
+
+HDEFINES = ${HDEFINES}
+TDEFINES =
+
+AR = ${AR}
+AR_FLAGS = rc
+RANLIB = ${RANLIB}
+MAKEINFO = makeinfo
+
+# Each simulator's Makefile.in defines one or more of these variables
+# as necessary.  The SIM_AC_OUTPUT macro then inserts those values
+# at '## Config'.
+
+# List of object files, less common parts.
+#SIM_OBJS =
+# List of flags to always pass to $(CC).
+#SIM_EXTRA_CFLAGS =
+# List of extra libraries to link with.
+#SIM_EXTRA_LIBS =
+# List of extra program dependencies.
+#SIM_EXTRA_LIBDEPS =
+# Dependency of 'all' to build any extra files.
+#SIM_EXTRA_ALL =
+# Dependency of 'install' to install any extra files.
+#SIM_EXTRA_INSTALL =
+# Dependency of 'clean' to clean any extra files.
+#SIM_EXTRA_CLEAN =
+
+CONFIG_CFLAGS = ${DEFS} \$(SIM_CFLAGS) \$(SIM_DEBUG) \$(SIM_TRACE) \$(SIM_BSWAP) \
+  \$(SIM_EXTRA_CFLAGS) \$(HDEFINES) \$(TDEFINES)
+CSEARCH = -I. -I\$(srcdir) -I../common -I\$(srcdir)/../common \
+  -I../../include -I\$(srcroot)/include \
+  -I../../bfd -I\$(srcroot)/bfd -I\$(srcroot)/gdb \
+  -I../../opcodes -I\$(srcroot)/opcodes
+ALL_CFLAGS = \$(CONFIG_CFLAGS) \$(CSEARCH) \$(CFLAGS)
+BUILD_CFLAGS = -g -O \$(CSEARCH)
+
+.NOEXPORT:
+MAKEOVERRIDES=
+
+LIBIBERTY_LIB = ../../libiberty/libiberty.a
+BFD_LIB = ../../bfd/libbfd.a
+OPCODES_LIB = ../../opcodes/libopcodes.a
+CONFIG_LIBS = ${LIBS}
+LIBDEPS = \$(BFD_LIB) \$(OPCODES_LIB) \$(LIBIBERTY_LIB) \
+	\$(SIM_EXTRA_LIBDEPS)
+EXTRA_LIBS = \$(BFD_LIB) \$(OPCODES_LIB) \$(LIBIBERTY_LIB) \
+	\$(CONFIG_LIBS) \$(SIM_EXTRA_LIBS)
+
+LIB_OBJS = callback.o targ-map.o \$(SIM_OBJS)
+
+all: run libsim.a \$(SIM_EXTRA_ALL)
+
+libsim.a: \$(LIB_OBJS)
+	rm -f libsim.a
+	\$(AR) \$(ARFLAGS) libsim.a \$(LIB_OBJS)
+	\$(RANLIB) libsim.a
+
+run: run.o libsim.a \$(LIBDEPS)
+	\$(CC) \$(ALL_CFLAGS) -o run \
+	  run.o libsim.a \$(EXTRA_LIBS)
+
+run.o: \$(srcdir)/../common/run.c config.h tconfig.h \
+	  \$(srcroot)/include/callback.h
+	\$(CC) -c \$(srcdir)/../common/run.c \$(ALL_CFLAGS)
+
+callback.o: \$(srcdir)/../common/callback.c config.h tconfig.h \
+	  \$(srcroot)/include/callback.h targ-vals.h
+	\$(CC) -c \$(srcdir)/../common/callback.c \$(ALL_CFLAGS)
+
+gentmap: \$(srcdir)/../common/gentmap.c targ-vals.def
+	\$(CC_FOR_BUILD) \$(srcdir)/../common/gentmap.c -o gentmap \$(BUILD_CFLAGS) -I\$(srcdir)/../common
+
+targ-vals.h: gentmap
+	rm -f targ-vals.h
+	./gentmap -h >targ-vals.h
+
+targ-map.c: gentmap
+	rm -f targ-map.c
+	./gentmap -c >targ-map.c
+
+install: install-common \$(SIM_EXTRA_INSTALL)
+
+install-common:
+	\$(INSTALL_XFORM) run \$(bindir)/run
+
+check:
+
+info:
+clean-info:
+install-info:
+
+tags etags: TAGS
+
+TAGS: force
+	etags *.c *.h
+
+clean: \$(SIM_EXTRA_CLEAN)
+	rm -f *.[oa] *~ core gentmap targ-map.c targ-vals.h 
+	rm -f run libsim.a
+
+distclean mostlyclean maintainer-clean realclean: clean
+	rm -f TAGS
+	rm -f Makefile config.cache config.log config.status
+	rm -f tconfig.h config.h stamp-h
+
+.c.o:
+	\$(CC) -c \$(ALL_CFLAGS) \$<
+
+# Dummy target to force execution of dependent targets.
+force:
+
+Makefile: Makefile.in \$(srcdir)/../common/Make-common.in config.status
+	CONFIG_HEADERS= \$(SHELL) ./config.status
+
+config.status: configure
+	\$(SHELL) ./config.status --recheck
+
+config.h: stamp-h ; @true
+stamp-h: config.in config.status
+	CONFIG_FILES= CONFIG_HEADERS=config.h:config.in \$(SHELL) ./config.status
+
+# We can't add dependencies to configure because it causes too much trouble
+# to end users if configure's timestamp is out of sync.
+.PHONY: run-autoconf
+run-autoconf:
+	cd \$(srcdir) && autoconf -l ../common
+EOF
+
+
+
+
+
 
-trap '' 1 2 15
+echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6
+echo "configure:1286: checking how to run the C preprocessor" >&5
+# On Suns, sometimes $CPP names a directory.
+if test -n "$CPP" && test -d "$CPP"; then
+  CPP=
+fi
+if test -z "$CPP"; then
+if eval "test \"`echo '$''{'ac_cv_prog_CPP'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+    # This must be in double quotes, not single quotes, because CPP may get
+  # substituted into the Makefile and "${CC-cc}" will confuse make.
+  CPP="${CC-cc} -E"
+  # On the NeXT, cc -E runs the code through the compiler's parser,
+  # not just through cpp.
+  cat > conftest.$ac_ext <<EOF
+#line 1301 "configure"
+#include "confdefs.h"
+#include <assert.h>
+Syntax Error
+EOF
+ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
+{ (eval echo configure:1307: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+ac_err=`grep -v '^ *+' conftest.out`
+if test -z "$ac_err"; then
+  :
+else
+  echo "$ac_err" >&5
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  CPP="${CC-cc} -E -traditional-cpp"
+  cat > conftest.$ac_ext <<EOF
+#line 1318 "configure"
+#include "confdefs.h"
+#include <assert.h>
+Syntax Error
+EOF
+ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
+{ (eval echo configure:1324: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+ac_err=`grep -v '^ *+' conftest.out`
+if test -z "$ac_err"; then
+  :
+else
+  echo "$ac_err" >&5
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  CPP=/lib/cpp
+fi
+rm -f conftest*
+fi
+rm -f conftest*
+  ac_cv_prog_CPP="$CPP"
+fi
+  CPP="$ac_cv_prog_CPP"
+else
+  ac_cv_prog_CPP="$CPP"
+fi
+echo "$ac_t""$CPP" 1>&6
+
+for ac_hdr in unistd.h
+do
+ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
+echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
+echo "configure:1350: checking for $ac_hdr" >&5
+if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 1355 "configure"
+#include "confdefs.h"
+#include <$ac_hdr>
+EOF
+ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
+{ (eval echo configure:1360: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+ac_err=`grep -v '^ *+' conftest.out`
+if test -z "$ac_err"; then
+  rm -rf conftest*
+  eval "ac_cv_header_$ac_safe=yes"
+else
+  echo "$ac_err" >&5
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_header_$ac_safe=no"
+fi
+rm -f conftest*
+fi
+if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+    ac_tr_hdr=HAVE_`echo $ac_hdr | sed 'y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%'`
+  cat >> confdefs.h <<EOF
+#define $ac_tr_hdr 1
+EOF
+ 
+else
+  echo "$ac_t""no" 1>&6
+fi
+done
+
+
+
+
+ trap '' 1 2 15
 cat > confcache <<\EOF
 # This file is a shell script that caches the results of configure
 # tests run on this system so they can be shared between configure
@@ -819,11 +1402,25 @@ cat > confcache <<\EOF
 # --recheck option to rerun configure.
 #
 EOF
+# The following way of writing the cache mishandles newlines in values,
+# but we know of no workaround that is simple, portable, and efficient.
+# So, don't put newlines in cache variables' values.
 # 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.
 (set) 2>&1 |
-  sed -n "s/^\([a-zA-Z0-9_]*_cv_[a-zA-Z0-9_]*\)=\(.*\)/\1=\${\1='\2'}/p" \
-  >> confcache
+  case `(ac_space=' '; set) 2>&1` in
+  *ac_space=\ *)
+    # `set' does not quote correctly, so add quotes (double-quote substitution
+    # turns \\\\ into \\, and sed turns \\ into \).
+    sed -n \
+      -e "s/'/'\\\\''/g" \
+      -e "s/^\\([a-zA-Z0-9_]*_cv_[a-zA-Z0-9_]*\\)=\\(.*\\)/\\1=\${\\1='\\2'}/p"
+    ;;
+  *)
+    # `set' quotes correctly as required by POSIX, so do not add quotes.
+    sed -n -e 's/^\([a-zA-Z0-9_]*_cv_[a-zA-Z0-9_]*\)=\(.*\)/\1=${\1=\2}/p'
+    ;;
+  esac >> confcache
 if cmp -s $cache_file confcache; then
   :
 else
@@ -851,19 +1448,7 @@ fi
 
 trap 'rm -f $CONFIG_STATUS conftest*; exit 1' 1 2 15
 
-# Transform confdefs.h into DEFS.
-# Protect against shell expansion while executing Makefile rules.
-# Protect against Makefile macro expansion.
-cat > conftest.defs <<\EOF
-s%#define \([A-Za-z_][A-Za-z0-9_]*\) \(.*\)%-D\1=\2%g
-s%[ 	`~#$^&*(){}\\|;'"<>?]%\\&%g
-s%\[%\\&%g
-s%\]%\\&%g
-s%\$%$$%g
-EOF
-DEFS=`sed -f conftest.defs confdefs.h | tr '\012' ' '`
-rm -f conftest.defs
-
+DEFS=-DHAVE_CONFIG_H
 
 # Without the "./", some shells look in PATH for config.status.
 : ${CONFIG_STATUS=./config.status}
@@ -890,7 +1475,7 @@ do
     echo "running \${CONFIG_SHELL-/bin/sh} $0 $ac_configure_args --no-create --no-recursion"
     exec \${CONFIG_SHELL-/bin/sh} $0 $ac_configure_args --no-create --no-recursion ;;
   -version | --version | --versio | --versi | --vers | --ver | --ve | --v)
-    echo "$CONFIG_STATUS generated by autoconf version 2.4.2"
+    echo "$CONFIG_STATUS generated by autoconf version 2.12"
     exit 0 ;;
   -help | --help | --hel | --he | --h)
     echo "\$ac_cs_usage"; exit 0 ;;
@@ -901,11 +1486,13 @@ done
 ac_given_srcdir=$srcdir
 ac_given_INSTALL="$INSTALL"
 
-trap 'rm -fr `echo "Makefile" | sed "s/:[^ ]*//g"` conftest*; exit 1' 1 2 15
+trap 'rm -fr `echo "Makefile config.h:config.in" | sed "s/:[^ ]*//g"` conftest*; exit 1' 1 2 15
+EOF
+cat >> $CONFIG_STATUS <<EOF
 
-# Protect against being on the right side of a sed subst in config.status. 
-sed 's/%@/@@/; s/@%/@@/; s/%g$/@g/; /@g$/s/[\\\\&%]/\\\\&/g; 
- s/@@/%@/; s/@@/@%/; s/@g$/%g/' > conftest.subs <<\CEOF
+# Protect against being on the right side of a sed subst in config.status.
+sed 's/%@/@@/; s/@%/@@/; s/%g\$/@g/; /@g\$/s/[\\\\&%]/\\\\&/g;
+ s/@@/%@/; s/@@/@%/; s/@g\$/%g/' > conftest.subs <<\\CEOF
 $ac_vpsub
 $extrasub
 s%@CFLAGS@%$CFLAGS%g
@@ -945,28 +1532,72 @@ s%@build_cpu@%$build_cpu%g
 s%@build_vendor@%$build_vendor%g
 s%@build_os@%$build_os%g
 s%@CC@%$CC%g
+s%@INSTALL_PROGRAM@%$INSTALL_PROGRAM%g
+s%@INSTALL_DATA@%$INSTALL_DATA%g
+s%@CC_FOR_BUILD@%$CC_FOR_BUILD%g
 s%@HDEFINES@%$HDEFINES%g
 s%@AR@%$AR%g
 s%@RANLIB@%$RANLIB%g
-s%@INSTALL_PROGRAM@%$INSTALL_PROGRAM%g
-s%@INSTALL_DATA@%$INSTALL_DATA%g
+s%@sim_cflags@%$sim_cflags%g
+s%@sim_debug@%$sim_debug%g
+s%@sim_trace@%$sim_trace%g
+s%@sim_bswap@%$sim_bswap%g
+/@COMMON_MAKEFILE_FRAG@/r $COMMON_MAKEFILE_FRAG
+s%@COMMON_MAKEFILE_FRAG@%%g
+s%@CPP@%$CPP%g
 
 CEOF
 EOF
+
+cat >> $CONFIG_STATUS <<\EOF
+
+# Split the substitutions into bite-sized pieces for seds with
+# small command number limits, like on Digital OSF/1 and HP-UX.
+ac_max_sed_cmds=90 # Maximum number of lines to put in a sed script.
+ac_file=1 # Number of current file.
+ac_beg=1 # First line for current file.
+ac_end=$ac_max_sed_cmds # Line after last line for current file.
+ac_more_lines=:
+ac_sed_cmds=""
+while $ac_more_lines; do
+  if test $ac_beg -gt 1; then
+    sed "1,${ac_beg}d; ${ac_end}q" conftest.subs > conftest.s$ac_file
+  else
+    sed "${ac_end}q" conftest.subs > conftest.s$ac_file
+  fi
+  if test ! -s conftest.s$ac_file; then
+    ac_more_lines=false
+    rm -f conftest.s$ac_file
+  else
+    if test -z "$ac_sed_cmds"; then
+      ac_sed_cmds="sed -f conftest.s$ac_file"
+    else
+      ac_sed_cmds="$ac_sed_cmds | sed -f conftest.s$ac_file"
+    fi
+    ac_file=`expr $ac_file + 1`
+    ac_beg=$ac_end
+    ac_end=`expr $ac_end + $ac_max_sed_cmds`
+  fi
+done
+if test -z "$ac_sed_cmds"; then
+  ac_sed_cmds=cat
+fi
+EOF
+
 cat >> $CONFIG_STATUS <<EOF
 
 CONFIG_FILES=\${CONFIG_FILES-"Makefile"}
 EOF
 cat >> $CONFIG_STATUS <<\EOF
 for ac_file in .. $CONFIG_FILES; do if test "x$ac_file" != x..; then
-  # Support "outfile[:infile]", defaulting infile="outfile.in".
+  # Support "outfile[:infile[:infile...]]", defaulting infile="outfile.in".
   case "$ac_file" in
-  *:*) ac_file_in=`echo "$ac_file"|sed 's%.*:%%'`
+  *:*) ac_file_in=`echo "$ac_file"|sed 's%[^:]*:%%'`
        ac_file=`echo "$ac_file"|sed 's%:.*%%'` ;;
   *) ac_file_in="${ac_file}.in" ;;
   esac
 
-  # Adjust relative srcdir, etc. for subdirectories.
+  # Adjust a relative srcdir, top_srcdir, and INSTALL for subdirectories.
 
   # Remove last slash and all that follows it.  Not all systems have dirname.
   ac_dir=`echo $ac_file|sed 's%/[^/][^/]*$%%'`
@@ -994,6 +1625,7 @@ for ac_file in .. $CONFIG_FILES; do if test "x$ac_file" != x..; then
   [/$]*) INSTALL="$ac_given_INSTALL" ;;
   *) INSTALL="$ac_dots$ac_given_INSTALL" ;;
   esac
+
   echo creating "$ac_file"
   rm -f "$ac_file"
   configure_input="Generated automatically from `echo $ac_file_in|sed 's%.*/%%'` by configure."
@@ -1002,20 +1634,184 @@ for ac_file in .. $CONFIG_FILES; do if test "x$ac_file" != x..; then
 # $configure_input" ;;
   *) ac_comsub= ;;
   esac
+
+  ac_file_inputs=`echo $ac_file_in|sed -e "s%^%$ac_given_srcdir/%" -e "s%:% $ac_given_srcdir/%g"`
   sed -e "$ac_comsub
 s%@configure_input@%$configure_input%g
 s%@srcdir@%$srcdir%g
 s%@top_srcdir@%$top_srcdir%g
 s%@INSTALL@%$INSTALL%g
-" -f conftest.subs $ac_given_srcdir/$ac_file_in > $ac_file
+" $ac_file_inputs | (eval "$ac_sed_cmds") > $ac_file
 fi; done
-rm -f conftest.subs
+rm -f conftest.s*
 
+# These sed commands are passed to sed as "A NAME B NAME C VALUE D", where
+# NAME is the cpp macro being defined and VALUE is the value it is being given.
+#
+# ac_d sets the value in "#define NAME VALUE" lines.
+ac_dA='s%^\([ 	]*\)#\([ 	]*define[ 	][ 	]*\)'
+ac_dB='\([ 	][ 	]*\)[^ 	]*%\1#\2'
+ac_dC='\3'
+ac_dD='%g'
+# ac_u turns "#undef NAME" with trailing blanks into "#define NAME VALUE".
+ac_uA='s%^\([ 	]*\)#\([ 	]*\)undef\([ 	][ 	]*\)'
+ac_uB='\([ 	]\)%\1#\2define\3'
+ac_uC=' '
+ac_uD='\4%g'
+# ac_e turns "#undef NAME" without trailing blanks into "#define NAME VALUE".
+ac_eA='s%^\([ 	]*\)#\([ 	]*\)undef\([ 	][ 	]*\)'
+ac_eB='$%\1#\2define\3'
+ac_eC=' '
+ac_eD='%g'
+
+if test "${CONFIG_HEADERS+set}" != set; then
+EOF
+cat >> $CONFIG_STATUS <<EOF
+  CONFIG_HEADERS="config.h:config.in"
+EOF
+cat >> $CONFIG_STATUS <<\EOF
+fi
+for ac_file in .. $CONFIG_HEADERS; do if test "x$ac_file" != x..; then
+  # Support "outfile[:infile[:infile...]]", defaulting infile="outfile.in".
+  case "$ac_file" in
+  *:*) ac_file_in=`echo "$ac_file"|sed 's%[^:]*:%%'`
+       ac_file=`echo "$ac_file"|sed 's%:.*%%'` ;;
+  *) ac_file_in="${ac_file}.in" ;;
+  esac
+
+  echo creating $ac_file
+
+  rm -f conftest.frag conftest.in conftest.out
+  ac_file_inputs=`echo $ac_file_in|sed -e "s%^%$ac_given_srcdir/%" -e "s%:% $ac_given_srcdir/%g"`
+  cat $ac_file_inputs > conftest.in
+
+EOF
+
+# Transform confdefs.h into a sed script conftest.vals that substitutes
+# the proper values into config.h.in to produce config.h.  And first:
+# Protect against being on the right side of a sed subst in config.status.
+# Protect against being in an unquoted here document in config.status.
+rm -f conftest.vals
+cat > conftest.hdr <<\EOF
+s/[\\&%]/\\&/g
+s%[\\$`]%\\&%g
+s%#define \([A-Za-z_][A-Za-z0-9_]*\) *\(.*\)%${ac_dA}\1${ac_dB}\1${ac_dC}\2${ac_dD}%gp
+s%ac_d%ac_u%gp
+s%ac_u%ac_e%gp
+EOF
+sed -n -f conftest.hdr confdefs.h > conftest.vals
+rm -f conftest.hdr
+
+# This sed command replaces #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.
+cat >> conftest.vals <<\EOF
+s%^[ 	]*#[ 	]*undef[ 	][ 	]*[a-zA-Z_][a-zA-Z_0-9]*%/* & */%
+EOF
 
+# Break up conftest.vals because some shells have a limit on
+# the size of here documents, and old seds have small limits too.
 
+rm -f conftest.tail
+while :
+do
+  ac_lines=`grep -c . conftest.vals`
+  # grep -c gives empty output for an empty file on some AIX systems.
+  if test -z "$ac_lines" || test "$ac_lines" -eq 0; then break; fi
+  # Write a limited-size here document to conftest.frag.
+  echo '  cat > conftest.frag <<CEOF' >> $CONFIG_STATUS
+  sed ${ac_max_here_lines}q conftest.vals >> $CONFIG_STATUS
+  echo 'CEOF
+  sed -f conftest.frag conftest.in > conftest.out
+  rm -f conftest.in
+  mv conftest.out conftest.in
+' >> $CONFIG_STATUS
+  sed 1,${ac_max_here_lines}d conftest.vals > conftest.tail
+  rm -f conftest.vals
+  mv conftest.tail conftest.vals
+done
+rm -f conftest.vals
+
+cat >> $CONFIG_STATUS <<\EOF
+  rm -f conftest.frag conftest.h
+  echo "/* $ac_file.  Generated automatically by configure.  */" > conftest.h
+  cat conftest.in >> conftest.h
+  rm -f conftest.in
+  if cmp -s $ac_file conftest.h 2>/dev/null; then
+    echo "$ac_file is unchanged"
+    rm -f conftest.h
+  else
+    # Remove last slash and all that follows it.  Not all systems have dirname.
+      ac_dir=`echo $ac_file|sed 's%/[^/][^/]*$%%'`
+      if test "$ac_dir" != "$ac_file" && test "$ac_dir" != .; then
+      # The file is in a subdirectory.
+      test ! -d "$ac_dir" && mkdir "$ac_dir"
+    fi
+    rm -f $ac_file
+    mv conftest.h $ac_file
+  fi
+fi; done
+
+EOF
+
+cat >> $CONFIG_STATUS <<EOF
+ac_sources="$sim_link_files"
+ac_dests="$sim_link_links"
+EOF
+
+cat >> $CONFIG_STATUS <<\EOF
+srcdir=$ac_given_srcdir
+while test -n "$ac_sources"; do
+  set $ac_dests; ac_dest=$1; shift; ac_dests=$*
+  set $ac_sources; ac_source=$1; shift; ac_sources=$*
+
+  echo "linking $srcdir/$ac_source to $ac_dest"
+
+  if test ! -r $srcdir/$ac_source; then
+    { echo "configure: error: $srcdir/$ac_source: File not found" 1>&2; exit 1; }
+  fi
+  rm -f $ac_dest
+
+  # Make relative symlinks.
+  # Remove last slash and all that follows it.  Not all systems have dirname.
+  ac_dest_dir=`echo $ac_dest|sed 's%/[^/][^/]*$%%'`
+  if test "$ac_dest_dir" != "$ac_dest" && test "$ac_dest_dir" != .; then
+    # The dest file is in a subdirectory.
+    test ! -d "$ac_dest_dir" && mkdir "$ac_dest_dir"
+    ac_dest_dir_suffix="/`echo $ac_dest_dir|sed 's%^\./%%'`"
+    # A "../" for each directory in $ac_dest_dir_suffix.
+    ac_dots=`echo $ac_dest_dir_suffix|sed 's%/[^/]*%../%g'`
+  else
+    ac_dest_dir_suffix= ac_dots=
+  fi
+
+  case "$srcdir" in
+  [/$]*) ac_rel_source="$srcdir/$ac_source" ;;
+  *) ac_rel_source="$ac_dots$srcdir/$ac_source" ;;
+  esac
+
+  # Make a symlink if possible; otherwise try a hard link.
+  if ln -s $ac_rel_source $ac_dest 2>/dev/null ||
+    ln $srcdir/$ac_source $ac_dest; then :
+  else
+    { echo "configure: error: can not link $ac_dest to $srcdir/$ac_source" 1>&2; exit 1; }
+  fi
+done
+EOF
+cat >> $CONFIG_STATUS <<EOF
+
+EOF
+cat >> $CONFIG_STATUS <<\EOF
+
+ case "x$CONFIG_HEADERS" in xconfig.h:config.in) echo > stamp-h ;; esac
+ 
 exit 0
 EOF
 chmod +x $CONFIG_STATUS
 rm -fr confdefs* $ac_clean_files
 test "$no_create" = yes || ${CONFIG_SHELL-/bin/sh} $CONFIG_STATUS || exit 1
 
+
+rm $COMMON_MAKEFILE_FRAG
+
+
diff --git a/sim/sh/configure.in b/sim/sh/configure.in
index b31f21c0bf..f822c9ef36 100644
--- a/sim/sh/configure.in
+++ b/sim/sh/configure.in
@@ -1,4 +1,4 @@
-dnl Process this file with autoconf to produce a configure script.
+dnl Process this file with `autoconf -l ../common' to produce a configure script.
 AC_PREREQ(2.5)dnl
 AC_INIT(Makefile.in)