php-src/Zend/acinclude.m4
2006-08-04 06:48:20 +00:00

108 lines
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dnl $Id$
dnl
dnl This file contains local autoconf functions.
AC_DEFUN([LIBZEND_BISON_CHECK],[
# we only support certain bison versions
bison_version_list="1.28 1.35 1.75 1.875 2.0 2.1 2.2 2.3"
# for standalone build of Zend Engine
test -z "$SED" && SED=sed
bison_version=none
if test "$YACC"; then
AC_CACHE_CHECK([for bison version], php_cv_bison_version, [
bison_version_vars=`bison --version 2> /dev/null | grep 'GNU Bison' | cut -d ' ' -f 4 | $SED -e 's/\./ /' | tr -d a-z`
php_cv_bison_version=invalid
if test -n "$bison_version_vars"; then
set $bison_version_vars
bison_version="${1}.${2}"
for bison_check_version in $bison_version_list; do
if test "$bison_version" = "$bison_check_version"; then
php_cv_bison_version="$bison_check_version (ok)"
break
fi
done
fi
])
fi
case $php_cv_bison_version in
""|invalid[)]
bison_msg="bison versions supported for regeneration of the Zend/PHP parsers: $bison_version_list (found: $bison_version)."
AC_MSG_WARN([$bison_msg])
YACC="exit 0;"
;;
esac
])
AC_DEFUN([ZEND_FP_EXCEPT],[
AC_CACHE_CHECK(whether fp_except is defined, ac_cv_type_fp_except,[
AC_TRY_COMPILE([
#include <floatingpoint.h>
],[
fp_except x = (fp_except) 0;
],[
ac_cv_type_fp_except=yes
],[
ac_cv_type_fp_except=no
],[
ac_cv_type_fp_except=no
])])
if test "$ac_cv_type_fp_except" = "yes"; then
AC_DEFINE(HAVE_FP_EXCEPT, 1, [whether floatingpoint.h defines fp_except])
fi
])
dnl
dnl Check for broken sprintf()
dnl
AC_DEFUN([AC_ZEND_BROKEN_SPRINTF],[
AC_CACHE_CHECK(whether sprintf is broken, ac_cv_broken_sprintf,[
AC_TRY_RUN([main() {char buf[20];exit(sprintf(buf,"testing 123")!=11); }],[
ac_cv_broken_sprintf=no
],[
ac_cv_broken_sprintf=yes
],[
ac_cv_broken_sprintf=no
])
])
if test "$ac_cv_broken_sprintf" = "yes"; then
ac_result=1
else
ac_result=0
fi
AC_DEFINE_UNQUOTED(ZEND_BROKEN_SPRINTF, $ac_result, [Whether sprintf is broken])
])
dnl
dnl AC_ZEND_C_BIGENDIAN
dnl Replacement macro for AC_C_BIGENDIAN
dnl
AC_DEFUN([AC_ZEND_C_BIGENDIAN],
[AC_CACHE_CHECK([whether byte ordering is bigendian], ac_cv_c_bigendian_php,
[
ac_cv_c_bigendian_php=unknown
AC_TRY_RUN(
[
int main(void)
{
short one = 1;
char *cp = (char *)&one;
if (*cp == 0) {
return(0);
} else {
return(1);
}
}
], [ac_cv_c_bigendian_php=yes], [ac_cv_c_bigendian_php=no], [ac_cv_c_bigendian_php=unknown])
])
if test $ac_cv_c_bigendian_php = yes; then
AC_DEFINE(WORDS_BIGENDIAN, [], [Define if processor uses big-endian word])
fi
])
AC_DEFUN([AM_SET_LIBTOOL_VARIABLE],[
LIBTOOL='$(SHELL) $(top_builddir)/libtool $1'
])