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authorMåns Rullgård <mans@mansr.com>2010-01-29 03:26:14 +0000
committerMåns Rullgård <mans@mansr.com>2010-01-29 03:26:14 +0000
commit788627dea6b353048883c87bedf0f8f93dee6787 (patch)
tree3db47540dcc7f0d87bc946ad766b90b37cdb492d /libavutil/internal.h
parentdffb41b95349acbe97da69947f5d05f17d06045c (diff)
downloadffmpeg-788627dea6b353048883c87bedf0f8f93dee6787.tar.gz
Define av_alias if supported by compiler
Originally committed as revision 21523 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavutil/internal.h')
-rw-r--r--libavutil/internal.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/libavutil/internal.h b/libavutil/internal.h
index f0ea232ae6..cd63b3d2a4 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