[SCM] libav/experimental: avoid macro conflicts

[siretart at users.alioth.debian.org]

The following commit has been merged in the experimental branch:
commit f4ae934a3b08762a33a325db4d40fccb06a5d11f
Author: Alex Beregszaszi <alex at rtfs.hu>
Date:   Mon Apr 26 09:43:55 2004 +0000

    avoid macro conflicts
    
    Originally committed as revision 3076 to svn://svn.ffmpeg.org/ffmpeg/trunk

diff --git a/libavcodec/common.h b/libavcodec/common.h
index 203579a..b0a3db5 100644
--- a/libavcodec/common.h
+++ b/libavcodec/common.h
@@ -76,17 +76,21 @@ extern const struct AVOption avoptions_workaround_bug[11];
 #    define restrict
 #endif
 
+#ifndef always_inline
 #if defined(__GNUC__) && (__GNUC__ > 3 || __GNUC__ == 3 && __GNUC_MINOR__ > 0)
 #    define always_inline __attribute__((always_inline)) inline
 #else
 #    define always_inline inline
 #endif
+#endif
 
+#ifndef attribute_used
 #if defined(__GNUC__) && (__GNUC__ > 3 || __GNUC__ == 3 && __GNUC_MINOR__ > 0)
 #    define attribute_used __attribute__((used))
 #else
 #    define attribute_used
 #endif
+#endif
 
 #ifndef EMULATE_INTTYPES
 #   include <inttypes.h>

-- 
Libav/FFmpeg packaging