commit: 1ee4788069144e871816dad6c8de05363a78deb9
Author: Mike Gilbert <floppym <AT> gentoo <DOT> org>
AuthorDate: Mon Nov 4 19:13:22 2024 +0000
Commit: Mike Gilbert <floppym <AT> gentoo <DOT> org>
CommitDate: Mon Nov 4 19:14:41 2024 +0000
URL: https://gitweb.gentoo.org/proj/sandbox.git/commit/?id=1ee47880
Update ax_check_compile_flag.m4
Signed-off-by: Mike Gilbert <floppym <AT> gentoo.org>
(cherry picked from commit da56efba489456c5b9374c76b5f74b60f8eb9891)
m4/ax_check_compile_flag.m4 | 16 +++++++++++++---
1 file changed, 13 insertions(+), 3 deletions(-)
diff --git a/m4/ax_check_compile_flag.m4 b/m4/ax_check_compile_flag.m4
index bd753b3..54191c5 100644
--- a/m4/ax_check_compile_flag.m4
+++ b/m4/ax_check_compile_flag.m4
@@ -34,14 +34,24 @@
# and this notice are preserved. This file is offered as-is, without any
# warranty.
-#serial 6
+#serial 11
AC_DEFUN([AX_CHECK_COMPILE_FLAG],
[AC_PREREQ(2.64)dnl for _AC_LANG_PREFIX and AS_VAR_IF
AS_VAR_PUSHDEF([CACHEVAR],[ax_cv_check_[]_AC_LANG_ABBREV[]flags_$4_$1])dnl
-AC_CACHE_CHECK([whether _AC_LANG compiler accepts $1], CACHEVAR, [
+AC_CACHE_CHECK([whether the _AC_LANG compiler accepts $1], CACHEVAR, [
ax_check_save_flags=$[]_AC_LANG_PREFIX[]FLAGS
- _AC_LANG_PREFIX[]FLAGS="$[]_AC_LANG_PREFIX[]FLAGS $4 $1"
+ if test x"m4_case(_AC_LANG,
+ [C], [$GCC],
+ [C++], [$GXX],
+ [Fortran], [$GFC],
+ [Fortran 77], [$G77],
+ [Objective C], [$GOBJC],
+ [Objective C++], [$GOBJCXX],
+ [no])" = xyes ; then
+ add_gnu_werror="-Werror"
+ fi
+ _AC_LANG_PREFIX[]FLAGS="$[]_AC_LANG_PREFIX[]FLAGS $4 $1 $add_gnu_werror"
AC_COMPILE_IFELSE([m4_default([$5],[AC_LANG_PROGRAM()])],
[AS_VAR_SET(CACHEVAR,[yes])],
[AS_VAR_SET(CACHEVAR,[no])])
