mirror of
https://gcc.gnu.org/git/gcc.git
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266 lines
8.6 KiB
Plaintext
266 lines
8.6 KiB
Plaintext
dnl aclocal.m4 generated automatically by aclocal 1.4
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dnl Copyright (C) 1994, 1995-8, 1999 Free Software Foundation, Inc.
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dnl This file is free software; the Free Software Foundation
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dnl gives unlimited permission to copy and/or distribute it,
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dnl with or without modifications, as long as this notice is preserved.
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dnl This program is distributed in the hope that it will be useful,
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dnl but WITHOUT ANY WARRANTY, to the extent permitted by law; without
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dnl even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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dnl PARTICULAR PURPOSE.
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sinclude(../libtool.m4)
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dnl The lines below arrange for aclocal not to bring libtool.m4
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dnl AC_PROG_LIBTOOL into aclocal.m4, while still arranging for automake
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dnl to add a definition of LIBTOOL to Makefile.in.
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ifelse(yes,no,[
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AC_DEFUN([AC_PROG_LIBTOOL],)
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AC_SUBST(LIBTOOL)
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])
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AC_DEFUN([AC_COMPILE_CHECK_SIZEOF],
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[changequote(<<, >>)dnl
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dnl The name to #define.
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define(<<AC_TYPE_NAME>>, translit(sizeof_$1, [a-z *], [A-Z_P]))dnl
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dnl The cache variable name.
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define(<<AC_CV_NAME>>, translit(ac_cv_sizeof_$1, [ *], [_p]))dnl
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changequote([, ])dnl
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AC_MSG_CHECKING(size of $1)
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AC_CACHE_VAL(AC_CV_NAME,
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[for ac_size in 4 8 1 2 16 12 $2 ; do # List sizes in rough order of prevalence.
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AC_TRY_COMPILE([#include "confdefs.h"
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#include <sys/types.h>
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$2
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], [switch (0) case 0: case (sizeof ($1) == $ac_size):;], AC_CV_NAME=$ac_size)
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if test x$AC_CV_NAME != x ; then break; fi
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done
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])
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if test x$AC_CV_NAME = x ; then
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AC_MSG_ERROR([cannot determine a size for $1])
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fi
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AC_MSG_RESULT($AC_CV_NAME)
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AC_DEFINE_UNQUOTED(AC_TYPE_NAME, $AC_CV_NAME, [The number of bytes in type $1])
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undefine([AC_TYPE_NAME])dnl
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undefine([AC_CV_NAME])dnl
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])
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AC_DEFUN([AC_C_BIGENDIAN_CROSS],
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[AC_CACHE_CHECK(whether byte ordering is bigendian, ac_cv_c_bigendian,
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[ac_cv_c_bigendian=unknown
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# See if sys/param.h defines the BYTE_ORDER macro.
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AC_TRY_COMPILE([#include <sys/types.h>
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#include <sys/param.h>], [
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#if !BYTE_ORDER || !BIG_ENDIAN || !LITTLE_ENDIAN
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bogus endian macros
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#endif], [# It does; now see whether it defined to BIG_ENDIAN or not.
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AC_TRY_COMPILE([#include <sys/types.h>
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#include <sys/param.h>], [
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#if BYTE_ORDER != BIG_ENDIAN
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not big endian
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#endif], ac_cv_c_bigendian=yes, ac_cv_c_bigendian=no)])
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if test $ac_cv_c_bigendian = unknown; then
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AC_TRY_RUN([main () {
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/* Are we little or big endian? From Harbison&Steele. */
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union
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{
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long l;
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char c[sizeof (long)];
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} u;
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u.l = 1;
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exit (u.c[sizeof (long) - 1] == 1);
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}], ac_cv_c_bigendian=no, ac_cv_c_bigendian=yes,
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[ echo $ac_n "cross-compiling... " 2>&AC_FD_MSG ])
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fi])
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if test $ac_cv_c_bigendian = unknown; then
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AC_MSG_CHECKING(to probe for byte ordering)
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[
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cat >conftest.c <<EOF
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short ascii_mm[] = { 0x4249, 0x4765, 0x6E44, 0x6961, 0x6E53, 0x7953, 0 };
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short ascii_ii[] = { 0x694C, 0x5454, 0x656C, 0x6E45, 0x6944, 0x6E61, 0 };
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void _ascii() { char* s = (char*) ascii_mm; s = (char*) ascii_ii; }
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short ebcdic_ii[] = { 0x89D3, 0xE3E3, 0x8593, 0x95C5, 0x89C4, 0x9581, 0 };
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short ebcdic_mm[] = { 0xC2C9, 0xC785, 0x95C4, 0x8981, 0x95E2, 0xA8E2, 0 };
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void _ebcdic() { char* s = (char*) ebcdic_mm; s = (char*) ebcdic_ii; }
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int main() { _ascii (); _ebcdic (); return 0; }
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EOF
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] if test -f conftest.c ; then
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if ${CC-cc} ${CFLAGS} conftest.c -o conftest.o && test -f conftest.o ; then
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if test `grep -l BIGenDianSyS conftest.o` ; then
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echo $ac_n ' big endian probe OK, ' 1>&AC_FD_MSG
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ac_cv_c_bigendian=yes
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fi
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if test `grep -l LiTTleEnDian conftest.o` ; then
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echo $ac_n ' little endian probe OK, ' 1>&AC_FD_MSG
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if test $ac_cv_c_bigendian = yes ; then
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ac_cv_c_bigendian=unknown;
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else
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ac_cv_c_bigendian=no
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fi
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fi
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echo $ac_n 'guessing bigendian ... ' >&AC_FD_MSG
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fi
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fi
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AC_MSG_RESULT($ac_cv_c_bigendian)
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fi
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if test $ac_cv_c_bigendian = yes; then
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AC_DEFINE(WORDS_BIGENDIAN, 1, [whether byteorder is bigendian])
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BYTEORDER=4321
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else
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BYTEORDER=1234
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fi
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AC_DEFINE_UNQUOTED(BYTEORDER, $BYTEORDER, [1234 = LIL_ENDIAN, 4321 = BIGENDIAN])
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if test $ac_cv_c_bigendian = unknown; then
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AC_MSG_ERROR(unknown endianess - sorry, please pre-set ac_cv_c_bigendian)
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fi
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])
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# Like AC_CONFIG_HEADER, but automatically create stamp file.
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AC_DEFUN(AM_CONFIG_HEADER,
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[AC_PREREQ([2.12])
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AC_CONFIG_HEADER([$1])
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dnl When config.status generates a header, we must update the stamp-h file.
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dnl This file resides in the same directory as the config header
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dnl that is generated. We must strip everything past the first ":",
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dnl and everything past the last "/".
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AC_OUTPUT_COMMANDS(changequote(<<,>>)dnl
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ifelse(patsubst(<<$1>>, <<[^ ]>>, <<>>), <<>>,
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<<test -z "<<$>>CONFIG_HEADERS" || echo timestamp > patsubst(<<$1>>, <<^\([^:]*/\)?.*>>, <<\1>>)stamp-h<<>>dnl>>,
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<<am_indx=1
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for am_file in <<$1>>; do
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case " <<$>>CONFIG_HEADERS " in
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*" <<$>>am_file "*<<)>>
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echo timestamp > `echo <<$>>am_file | sed -e 's%:.*%%' -e 's%[^/]*$%%'`stamp-h$am_indx
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;;
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esac
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am_indx=`expr "<<$>>am_indx" + 1`
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done<<>>dnl>>)
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changequote([,]))])
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# Do all the work for Automake. This macro actually does too much --
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# some checks are only needed if your package does certain things.
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# But this isn't really a big deal.
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# serial 1
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dnl Usage:
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dnl AM_INIT_AUTOMAKE(package,version, [no-define])
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AC_DEFUN(AM_INIT_AUTOMAKE,
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[AC_REQUIRE([AC_PROG_INSTALL])
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PACKAGE=[$1]
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AC_SUBST(PACKAGE)
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VERSION=[$2]
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AC_SUBST(VERSION)
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dnl test to see if srcdir already configured
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if test "`cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status; then
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AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
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fi
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ifelse([$3],,
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AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package])
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AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package]))
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AC_REQUIRE([AM_SANITY_CHECK])
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AC_REQUIRE([AC_ARG_PROGRAM])
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dnl FIXME This is truly gross.
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missing_dir=`cd $ac_aux_dir && pwd`
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AM_MISSING_PROG(ACLOCAL, aclocal, $missing_dir)
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AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir)
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AM_MISSING_PROG(AUTOMAKE, automake, $missing_dir)
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AM_MISSING_PROG(AUTOHEADER, autoheader, $missing_dir)
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AM_MISSING_PROG(MAKEINFO, makeinfo, $missing_dir)
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AC_REQUIRE([AC_PROG_MAKE_SET])])
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#
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# Check to make sure that the build environment is sane.
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#
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AC_DEFUN(AM_SANITY_CHECK,
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[AC_MSG_CHECKING([whether build environment is sane])
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# Just in case
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sleep 1
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echo timestamp > conftestfile
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# Do `set' in a subshell so we don't clobber the current shell's
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# arguments. Must try -L first in case configure is actually a
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# symlink; some systems play weird games with the mod time of symlinks
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# (eg FreeBSD returns the mod time of the symlink's containing
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# directory).
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if (
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set X `ls -Lt $srcdir/configure conftestfile 2> /dev/null`
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if test "[$]*" = "X"; then
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# -L didn't work.
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set X `ls -t $srcdir/configure conftestfile`
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fi
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if test "[$]*" != "X $srcdir/configure conftestfile" \
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&& test "[$]*" != "X conftestfile $srcdir/configure"; then
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# If neither matched, then we have a broken ls. This can happen
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# if, for instance, CONFIG_SHELL is bash and it inherits a
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# broken ls alias from the environment. This has actually
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# happened. Such a system could not be considered "sane".
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AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken
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alias in your environment])
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fi
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test "[$]2" = conftestfile
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)
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then
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# Ok.
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:
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else
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AC_MSG_ERROR([newly created file is older than distributed files!
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Check your system clock])
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fi
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rm -f conftest*
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AC_MSG_RESULT(yes)])
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dnl AM_MISSING_PROG(NAME, PROGRAM, DIRECTORY)
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dnl The program must properly implement --version.
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AC_DEFUN(AM_MISSING_PROG,
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[AC_MSG_CHECKING(for working $2)
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# Run test in a subshell; some versions of sh will print an error if
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# an executable is not found, even if stderr is redirected.
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# Redirect stdin to placate older versions of autoconf. Sigh.
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if ($2 --version) < /dev/null > /dev/null 2>&1; then
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$1=$2
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AC_MSG_RESULT(found)
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else
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$1="$3/missing $2"
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AC_MSG_RESULT(missing)
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fi
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AC_SUBST($1)])
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# Add --enable-maintainer-mode option to configure.
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# From Jim Meyering
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# serial 1
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AC_DEFUN(AM_MAINTAINER_MODE,
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[AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
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dnl maintainer-mode is disabled by default
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AC_ARG_ENABLE(maintainer-mode,
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[ --enable-maintainer-mode enable make rules and dependencies not useful
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(and sometimes confusing) to the casual installer],
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USE_MAINTAINER_MODE=$enableval,
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USE_MAINTAINER_MODE=no)
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AC_MSG_RESULT($USE_MAINTAINER_MODE)
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AM_CONDITIONAL(MAINTAINER_MODE, test $USE_MAINTAINER_MODE = yes)
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MAINT=$MAINTAINER_MODE_TRUE
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AC_SUBST(MAINT)dnl
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]
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)
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# Define a conditional.
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AC_DEFUN(AM_CONDITIONAL,
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[AC_SUBST($1_TRUE)
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AC_SUBST($1_FALSE)
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if $2; then
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$1_TRUE=
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$1_FALSE='#'
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else
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$1_TRUE='#'
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$1_FALSE=
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fi])
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