From 96472957d154a20c2587105604588849fd83d561 Mon Sep 17 00:00:00 2001
From: erikd <erikd@xiph.org>
Date: Wed, 21 Nov 2007 11:23:41 +0000
Subject: [PATCH] add missing files from m4 directory

svn path=/trunk/vorbis/; revision=14209
---
 m4/Makefile.am   |  4 ++++
 m4/add_cflags.m4 | 15 +++++++++++++++
 2 files changed, 19 insertions(+)
 create mode 100644 m4/Makefile.am
 create mode 100644 m4/add_cflags.m4

diff --git a/m4/Makefile.am b/m4/Makefile.am
new file mode 100644
index 0000000..89336d1
--- /dev/null
+++ b/m4/Makefile.am
@@ -0,0 +1,4 @@
+## Process this file with automake to produce Makefile.in
+
+EXTRA_DIST = add_cflags.m4
+
diff --git a/m4/add_cflags.m4 b/m4/add_cflags.m4
new file mode 100644
index 0000000..eeb6efd
--- /dev/null
+++ b/m4/add_cflags.m4
@@ -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
-- 
2.7.4