1 files changed, 2 insertions, 0 deletions
diff --git a/configure b/configure
index 2d5f954a8b..634f27df91 100755
--- a/configure
+++ b/configure
@@ -4622,6 +4622,8 @@ fi
 if darwin ; then
   # use gnu style cpp on Darwin
   CFLAGS="$CFLAGS -no-cpp-precomp -DSYS_DARWIN"
+  # libavcodec (from ffmpeg) requires CONFIG_DARWIN to enable AltiVec on Darwin/MacOSX
+  test "$_altivec" = yes && CFLAGS="$CFLAGS -DCONFIG_DARWIN"
 fi
 if hpux ; then
   # use flag for HPUX missing setenv()