diff -up ffmpeg-20080908/configure.cmov ffmpeg-20080908/configure
--- ffmpeg-20080908/configure.cmov	2008-11-01 16:23:33.000000000 +0100
+++ ffmpeg-20080908/configure	2008-11-01 16:23:33.000000000 +0100
@@ -1148,6 +1148,8 @@ case "$arch" in
     ;;
     x86_64|amd64)
         arch="x86_32"
+        enable cmov
+        enable fast_cmov
         enable fast_unaligned
         check_cc <<EOF && enable fast_64bit && arch="x86_64"
         int test[sizeof(char*) - 7];