| # 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" |
| ]) |
