dnl @synopsis XIPH_ADD_CFLAGS

dnl

dnl Add the given option to CFLAGS, if it doesn't break the compiler

AC_DEFUN([XIPH_ADD_CFLAGS],

[AC_MSG_CHECKING([if $CC accepts $1])

ac_add_cflags__old_cflags="$CFLAGS"

CFLAGS="$1"

AC_TRY_LINK([

#include <stdio.h>

],

[puts("Hello, World!"); return 0;],

AC_MSG_RESULT([yes])

CFLAGS="$ac_add_cflags__old_cflags $1",

AC_MSG_RESULT([no])

CFLAGS="$ac_add_cflags__old_cflags"

)

])# XIPH_ADD_CFLAGS