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view src/libvorbis-1.3.3/m4/add_cflags.m4 @ 124:e3d5853d5918

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Current stable PortAudio source
author Chris Cannam <cannam@all-day-breakfast.com>
date Tue, 18 Oct 2016 13:11:05 +0100
parents 98c1576536ae
children
line wrap: on
line source
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