[FFmpeg-devel] [PATCH 2/7] Define av_alias if supported by compiler

[Mans Rullgard]

---
 libavutil/internal.h |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)

diff --git a/libavutil/internal.h b/libavutil/internal.h
index f0ea232..cd63b3d 100644
--- a/libavutil/internal.h
+++ b/libavutil/internal.h
@@ -55,6 +55,14 @@
 #endif
 #endif
 
+#ifndef av_alias
+#if HAVE_ATTRIBUTE_MAY_ALIAS
+#   define av_alias __attribute__((may_alias))
+#else
+#   define av_alias
+#endif
+#endif
+
 #ifndef INT16_MIN
 #define INT16_MIN       (-0x7fff - 1)
 #endif
-- 
1.6.6.1