diff options
Diffstat (limited to 'm4/ax_cflags_strict_prototypes.m4')
| -rw-r--r-- | m4/ax_cflags_strict_prototypes.m4 | 43 |
1 files changed, 11 insertions, 32 deletions
diff --git a/m4/ax_cflags_strict_prototypes.m4 b/m4/ax_cflags_strict_prototypes.m4 index 1bc5db4..1a910cf 100644 --- a/m4/ax_cflags_strict_prototypes.m4 +++ b/m4/ax_cflags_strict_prototypes.m4 @@ -32,33 +32,12 @@ # # Copyright (c) 2008 Guido U. Draheim <guidod@gmx.de> # -# This program is free software; you can redistribute it and/or modify it -# under the terms of the GNU General Public License as published by the -# Free Software Foundation; either version 3 of the License, or (at your -# option) any later version. -# -# This program is distributed in the hope that it will be useful, but -# WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General -# Public License for more details. -# -# You should have received a copy of the GNU General Public License along -# with this program. If not, see <https://www.gnu.org/licenses/>. -# -# As a special exception, the respective Autoconf Macro's copyright owner -# gives unlimited permission to copy, distribute and modify the configure -# scripts that are the output of Autoconf when processing the Macro. You -# need not follow the terms of the GNU General Public License when using -# or distributing such scripts, even though portions of the text of the -# Macro appear in them. The GNU General Public License (GPL) does govern -# all other use of the material that constitutes the Autoconf Macro. -# -# This special exception to the GPL applies to versions of the Autoconf -# Macro released by the Autoconf Archive. When you make and distribute a -# modified version of the Autoconf Macro, you may extend this special -# exception to the GPL to apply to your modified version as well. +# Copying and distribution of this file, with or without modification, are +# permitted in any medium without royalty provided the copyright notice +# and this notice are preserved. This file is offered as-is, without any +# warranty. -#serial 16 +#serial 18 AC_DEFUN([AX_FLAGS_STRICT_PROTOTYPES],[dnl AS_VAR_PUSHDEF([FLAGS],[_AC_LANG_PREFIX[]FLAGS])dnl @@ -75,18 +54,18 @@ in "-pedantic -Werror % -fstrict-prototypes -Wstrict-prototypes" dnl GCC "-pedantic % -Wstrict-prototypes %% no, unsupported" dnl oops # do FLAGS="$ac_save_[]FLAGS "`echo $ac_arg | sed -e 's,%%.*,,' -e 's,%,,'` - AC_TRY_COMPILE([],[return 0;], - [VAR=`echo $ac_arg | sed -e 's,.*% *,,'` ; break]) + AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [[return 0;]])], + [VAR=`echo $ac_arg | sed -e 's,.*% *,,'` ; break], []) done case ".$VAR" in .|.no|.no,*) ;; *) # sanity check with signal() from sys/signal.h cp config.log config.tmp - AC_TRY_COMPILE([#include <signal.h>],[ + AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <signal.h>]], [[ if (signal (SIGINT, SIG_IGN) == SIG_DFL) return 1; - if (signal (SIGINT, SIG_IGN) != SIG_DFL) return 2;], - dnl the original did use test -n `$CC testprogram.c` - [if test `diff config.log config.tmp | grep -i warning | wc -l` != 0 + if (signal (SIGINT, SIG_IGN) != SIG_DFL) return 2;]])], + [dnl the original did use test -n `$CC testprogram.c` + if test `diff config.log config.tmp | grep -i warning | wc -l` != 0 then if test `diff config.log config.tmp | grep -i warning | wc -l` != 1 then VAR="no, suppressed, signal.h," ; fi ; fi], [VAR="no, suppressed, signal.h"]) |