| dnl @synopsis AC_ADD_CFLAGS | |
| dnl | |
| dnl Add the given option to CFLAGS, if it doesn't break the compiler | |
| AC_DEFUN([AC_ADD_CFLAGS], | |
| [AC_MSG_CHECKING([if $CC accepts $1]) | |
| ac_add_cflags__old_cflags="$CFLAGS" | |
| CFLAGS="$CFLAGS $1" | |
| AC_TRY_LINK([#include <stdio.h>], | |
| [puts("Hello, World!"); return 0;], | |
| AC_MSG_RESULT([yes]), | |
| AC_MSG_RESULT([no]) | |
| CFLAGS="$ac_add_cflags__old_cflags") | |
| ]) | |
| ])# AC_ADD_CFLAGS |