etlegacy-libs/vorbis/m4/add_cflags.m4
2013-01-24 15:44:19 +00:00

15 lines
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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