solanum-vs-hackint-and-char.../aclocal.m4
nenolod 212380e3f4 [svn] - the new plan:
+ branches/release-2.1 -> 2.2 base
  + 3.0 -> branches/cxxconversion
  + backport some immediate 3.0 functionality for 2.2
  + other stuff
2007-01-24 22:40:21 -08:00

50 lines
1.3 KiB
Text

# $Id: aclocal.m4 918 2006-02-23 18:17:21Z nenolod $ - aclocal.m4 - Autoconf fun...
AC_DEFUN([AC_DEFINE_DIR], [
test "x$prefix" = xNONE && prefix="$ac_default_prefix"
test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'
ac_define_dir=`eval echo [$]$2`
ac_define_dir=`eval echo [$]ac_define_dir`
$1="$ac_define_dir"
AC_SUBST($1)
ifelse($3, ,
AC_DEFINE_UNQUOTED($1, "$ac_define_dir"),
AC_DEFINE_UNQUOTED($1, "$ac_define_dir", $3))
])
AC_DEFUN([AC_SUBST_DIR], [
ifelse($2,,,$1="[$]$2")
$1=`(
test "x$prefix" = xNONE && prefix="$ac_default_prefix"
test "x$exec_prefix" = xNONE && exec_prefix="${prefix}"
eval echo \""[$]$1"\"
)`
AC_SUBST($1)
])
dnl CHARYBDIS_C_GCC_TRY_FLAGS(<warnings>,<cachevar>)
AC_DEFUN([CHARYBDIS_C_GCC_TRY_FLAGS],[
AC_MSG_CHECKING([GCC flag(s) $1])
if test "${GCC-no}" = yes
then
AC_CACHE_VAL($2,[
oldcflags="${CFLAGS-}"
CFLAGS="${CFLAGS-} ${CWARNS} $1 -Werror"
AC_TRY_COMPILE([
#include <string.h>
#include <stdio.h>
int main(void);
],[
strcmp("a","b"); fprintf(stdout,"test ok\n");
], [$2=yes], [$2=no])
CFLAGS="${oldcflags}"])
if test "x$$2" = xyes; then
CWARNS="${CWARNS}$1 "
AC_MSG_RESULT(ok)
else
$2=''
AC_MSG_RESULT(no)
fi
else
AC_MSG_RESULT(no, not using GCC)
fi
])