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# serial 3
# Find valid warning flags for the C Compiler. -*-Autoconf-*-
dnl Copyright (C) 2001, 2002, 2006 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
dnl Written by Jesse Thilo.
AC_DEFUN([gl_COMPILER_FLAGS],
[AC_MSG_CHECKING(whether compiler accepts $1)
AC_SUBST(COMPILER_FLAGS)
ac_save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $1"
ac_save_CXXFLAGS="$CXXFLAGS"
CXXFLAGS="$CXXFLAGS $1"
AC_TRY_COMPILE(,
[int x;],
COMPILER_FLAGS="$COMPILER_FLAGS $1"
AC_MSG_RESULT(yes),
AC_MSG_RESULT(no))
CFLAGS="$ac_save_CFLAGS"
CXXFLAGS="$ac_save_CXXFLAGS"
])
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