summaryrefslogtreecommitdiffstats
path: root/fastjar/acinclude.m4
diff options
context:
space:
mode:
authortromey <tromey@138bc75d-0d04-0410-961f-82ee72b054a4>2002-09-09 21:19:16 +0000
committertromey <tromey@138bc75d-0d04-0410-961f-82ee72b054a4>2002-09-09 21:19:16 +0000
commit710ed3da8b2ca007d29d00b7b5ad72cf540caf7f (patch)
tree4e0fdbf6507f56249226b4f9452f6f69f784a41a /fastjar/acinclude.m4
parent1630162c93ccec9d3332154d77053cb703476117 (diff)
downloadppe42-gcc-710ed3da8b2ca007d29d00b7b5ad72cf540caf7f.tar.gz
ppe42-gcc-710ed3da8b2ca007d29d00b7b5ad72cf540caf7f.zip
* jartool.c (mkdir): Define.
* config.h.in: Rebuilt. * aclocal.m4, configure: Rebuilt. * acinclude.m4: New file. Copied gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_EXAMINE_OBJECT, and fastjar_AC_COMPILE_C_BIGENDIAN from aclocal.m4. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@56983 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'fastjar/acinclude.m4')
-rw-r--r--fastjar/acinclude.m4133
1 files changed, 133 insertions, 0 deletions
diff --git a/fastjar/acinclude.m4 b/fastjar/acinclude.m4
new file mode 100644
index 00000000000..0a45d735bd2
--- /dev/null
+++ b/fastjar/acinclude.m4
@@ -0,0 +1,133 @@
+
+dnl Host type sizes probe.
+dnl By Kaveh R. Ghazi. One typo fixed since.
+dnl
+AC_DEFUN([gcc_AC_COMPILE_CHECK_SIZEOF],
+[changequote(<<, >>)dnl
+dnl The name to #define.
+define(<<AC_TYPE_NAME>>, translit(sizeof_$1, [a-z *], [A-Z_P]))dnl
+dnl The cache variable name.
+define(<<AC_CV_NAME>>, translit(ac_cv_sizeof_$1, [ *], [_p]))dnl
+changequote([, ])dnl
+AC_MSG_CHECKING(size of $1)
+AC_CACHE_VAL(AC_CV_NAME,
+[for ac_size in 4 8 1 2 16 $3 ; do # List sizes in rough order of prevalence.
+ AC_TRY_COMPILE([#include "confdefs.h"
+#include <sys/types.h>
+$2
+], [switch (0) case 0: case (sizeof ($1) == $ac_size):;], AC_CV_NAME=$ac_size)
+ if test x$AC_CV_NAME != x ; then break; fi
+done
+])
+if test x$AC_CV_NAME = x ; then
+ AC_MSG_ERROR([cannot determine a size for $1])
+fi
+AC_MSG_RESULT($AC_CV_NAME)
+AC_DEFINE_UNQUOTED(AC_TYPE_NAME, $AC_CV_NAME, [The number of bytes in type $1])
+undefine([AC_TYPE_NAME])dnl
+undefine([AC_CV_NAME])dnl
+])
+
+dnl Utility macro used by next two tests.
+dnl AC_EXAMINE_OBJECT(C source code,
+dnl commands examining object file,
+dnl [commands to run if compile failed]):
+dnl
+dnl Compile the source code to an object file; then convert it into a
+dnl printable representation. All unprintable characters and
+dnl asterisks (*) are replaced by dots (.). All white space is
+dnl deleted. Newlines (ASCII 0x10) in the input are preserved in the
+dnl output, but runs of newlines are compressed to a single newline.
+dnl Finally, line breaks are forcibly inserted so that no line is
+dnl longer than 80 columns and the file ends with a newline. The
+dnl result of all this processing is in the file conftest.dmp, which
+dnl may be examined by the commands in the second argument.
+dnl
+AC_DEFUN([gcc_AC_EXAMINE_OBJECT],
+[AC_LANG_SAVE
+AC_LANG_C
+dnl Next bit cribbed from AC_TRY_COMPILE.
+cat > conftest.$ac_ext <<EOF
+[#line __oline__ "configure"
+#include "confdefs.h"
+$1
+]EOF
+if AC_TRY_EVAL(ac_compile); then
+ od -c conftest.o |
+ sed ['s/^[0-7]*[ ]*/ /
+ s/\*/./g
+ s/ \\n/*/g
+ s/ [0-9][0-9][0-9]/./g
+ s/ \\[^ ]/./g'] |
+ tr -d '
+ ' | tr -s '*' '
+' | fold | sed '$a\
+' > conftest.dmp
+ $2
+ifelse($3, , , else
+ $3
+)dnl
+fi
+rm -rf conftest*
+AC_LANG_RESTORE])
+
+dnl Host endianness probe.
+dnl Differs from AC_C_BIGENDIAN in that it does not require
+dnl running a program on the host.
+dnl
+AC_DEFUN([fastjar_AC_COMPILE_C_BIGENDIAN],
+[AC_CACHE_CHECK(byte ordering, ac_cv_c_compile_endian,
+[ac_cv_c_compile_endian=unknown
+gcc_AC_EXAMINE_OBJECT([
+#ifdef HAVE_LIMITS_H
+# include <limits.h>
+#endif
+/* This structure must have no internal padding. */
+ struct {
+ char prefix[sizeof "\nendian:" - 1];
+ short word;
+ char postfix[2];
+ } tester = {
+ "\nendian:",
+#if SIZEOF_SHORT == 4
+ ('A' << (CHAR_BIT * 3)) | ('B' << (CHAR_BIT * 2)) |
+#endif
+ ('A' << CHAR_BIT) | 'B',
+ 'X', '\n'
+};],
+ [if grep 'endian:AB' conftest.dmp >/dev/null 2>&1; then
+ ac_cv_c_compile_endian=big-endian
+ elif grep 'endian:BA' conftest.dmp >/dev/null 2>&1; then
+ ac_cv_c_compile_endian=little-endian
+ fi])
+])
+if test $ac_cv_c_compile_endian = unknown; then
+ AC_MSG_ERROR([*** unable to determine endianness])
+elif test $ac_cv_c_compile_endian = big-endian; then
+ AC_DEFINE(WORDS_BIG_ENDIAN, 1,
+ [Define if the host machine stores words of multi-word integers in
+ big-endian order.])
+fi
+])
+
+dnl Define MKDIR_TAKES_ONE_ARG if mkdir accepts only one argument instead
+dnl of the usual 2.
+AC_DEFUN(gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG,
+[AC_CACHE_CHECK([if mkdir takes one argument], gcc_cv_mkdir_takes_one_arg,
+[AC_TRY_COMPILE([
+#include <sys/types.h>
+#ifdef HAVE_SYS_STAT_H
+# include <sys/stat.h>
+#endif
+#ifdef HAVE_UNISTD_H
+# include <unistd.h>
+#endif
+#ifdef HAVE_DIRECT_H
+# include <direct.h>
+#endif], [mkdir ("foo", 0);],
+ gcc_cv_mkdir_takes_one_arg=no, gcc_cv_mkdir_takes_one_arg=yes)])
+if test $gcc_cv_mkdir_takes_one_arg = yes ; then
+ AC_DEFINE(MKDIR_TAKES_ONE_ARG, 1, [Define if host mkdir takes a
+single argument.])
+fi
+])
OpenPOWER on IntegriCloud