# serial 3
# Find valid warning flags for the C Compiler.           -*-Autoconf-*-
#
# Copyright (C) 2001, 2002, 2006 Free Software Foundation, Inc.
#
# 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 2 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, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301  USA

# Written by Jesse Thilo.

AC_DEFUN([gl_WARNING_CFLAGS],
  [AC_MSG_CHECKING(whether compiler accepts $1)
   AC_SUBST(WARNING_CFLAGS)
   ac_save_CFLAGS="$CFLAGS"
   CFLAGS="$CFLAGS $1"
   AC_TRY_COMPILE(,
    [int x;],
    WARNING_CFLAGS="$WARNING_CFLAGS $1"
    AC_MSG_RESULT(yes),
    AC_MSG_RESULT(no))
  CFLAGS="$ac_save_CFLAGS"
 ])
