2 # Find valid warning flags for the C Compiler. -*-Autoconf-*-
4 # Copyright (C) 2001, 2002, 2006 Free Software Foundation, Inc.
6 # This program is free software; you can redistribute it and/or modify
7 # it under the terms of the GNU General Public License as published by
8 # the Free Software Foundation; either version 2 of the License, or
9 # (at your option) any later version.
11 # This program is distributed in the hope that it will be useful,
12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 # GNU General Public License for more details.
16 # You should have received a copy of the GNU General Public License
17 # along with this program; if not, write to the Free Software
18 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
21 # Written by Jesse Thilo.
23 AC_DEFUN([gl_WARNING_CFLAGS],
24 [AC_MSG_CHECKING(whether compiler accepts $1)
25 AC_SUBST(WARNING_CFLAGS)
26 ac_save_CFLAGS="$CFLAGS"
30 WARNING_CFLAGS="$WARNING_CFLAGS $1"
33 CFLAGS="$ac_save_CFLAGS"