From 91091dc852dafb5d0d97240d9cd214d9aa38b289 Mon Sep 17 00:00:00 2001 From: Sevan Janiyan Date: Tue, 11 Feb 2025 01:45:27 +0000 Subject: [PATCH] m4/ax_check_compile_flag.m4: Update To latest version from autoconf-archive. --- 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 bd753b34..54191c55 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])])