Mercurial > hg > sv-dependency-builds

diff src/libvorbis-1.3.3/m4/add_cflags.m4 @ 86:98c1576536ae

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Bring in flac, ogg, vorbis
author Chris Cannam <cannam@all-day-breakfast.com>
date Tue, 19 Mar 2013 17:37:49 +0000
parents
children
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/libvorbis-1.3.3/m4/add_cflags.m4	Tue Mar 19 17:37:49 2013 +0000
@@ -0,0 +1,15 @@
+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