diff options
Diffstat (limited to 'm4/ax_cflags_force_c89.m4')
| -rw-r--r-- | m4/ax_cflags_force_c89.m4 | 41 |
1 files changed, 10 insertions, 31 deletions
diff --git a/m4/ax_cflags_force_c89.m4 b/m4/ax_cflags_force_c89.m4 index 59b33c1..815fb68 100644 --- a/m4/ax_cflags_force_c89.m4 +++ b/m4/ax_cflags_force_c89.m4 @@ -29,41 +29,19 @@ # # Copyright (c) 2009 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 10 +#serial 12 AC_DEFUN([AX_CFLAGS_FORCE_C89],[dnl AS_VAR_PUSHDEF([FLAGS],[CFLAGS])dnl AS_VAR_PUSHDEF([VAR],[ac_cv_cflags_force_c89])dnl AC_CACHE_CHECK([m4_ifval($1,$1,FLAGS) for C89 mode], VAR,[VAR="no, unknown" - AC_LANG_SAVE - AC_LANG_C + AC_LANG_PUSH([C]) ac_save_[]FLAGS="$[]FLAGS" for ac_arg dnl in "-pedantic % -ansi -pedantic" dnl GCC @@ -76,11 +54,12 @@ in "-pedantic % -ansi -pedantic" dnl GCC "-h conform % -h conform" dnl Cray C (Unicos) # 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 $ac_arg | sed -e 's,.*% *,,'` ; break],[]) done FLAGS="$ac_save_[]FLAGS" - AC_LANG_RESTORE + AC_LANG_POP([C]) ]) AS_VAR_POPDEF([FLAGS])dnl AX_REQUIRE_DEFINED([AX_APPEND_FLAG]) |