[xiph-commits] r14209 - trunk/vorbis/m4

[erikd at svn.xiph.org]

Author: erikd
Date: 2007-11-21 03:23:41 -0800 (Wed, 21 Nov 2007)
New Revision: 14209

Added:
   trunk/vorbis/m4/Makefile.am
   trunk/vorbis/m4/add_cflags.m4
Log:
add missing files from m4 directory

Added: trunk/vorbis/m4/Makefile.am
===================================================================
--- trunk/vorbis/m4/Makefile.am	                        (rev 0)
+++ trunk/vorbis/m4/Makefile.am	2007-11-21 11:23:41 UTC (rev 14209)
@@ -0,0 +1,4 @@
+## Process this file with automake to produce Makefile.in
+
+EXTRA_DIST = add_cflags.m4
+

Added: trunk/vorbis/m4/add_cflags.m4
===================================================================
--- trunk/vorbis/m4/add_cflags.m4	                        (rev 0)
+++ trunk/vorbis/m4/add_cflags.m4	2007-11-21 11:23:41 UTC (rev 14209)
@@ -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