diff -ru gst-libav-1.0.5.orig/gst-libs/ext/libav/configure gst-libav-1.0.5/gst-libs/ext/libav/configure
--- gst-libav-1.0.5.orig/gst-libs/ext/libav/configure	2013-01-08 11:54:55.000000000 +0100
+++ gst-libav-1.0.5/gst-libs/ext/libav/configure	2013-03-14 16:14:53.155681509 +0100
@@ -2758,8 +2758,8 @@
 EOF
 
     # check whether EBX is available on x86
-    check_asm ebx_available '""::"b"(0)' &&
-        check_asm ebx_available '"":::"%ebx"'
+    #check_asm ebx_available '""::"b"(0)' &&
+    #    check_asm ebx_available '"":::"%ebx"'
 
     # check whether xmm clobbers are supported
     check_asm xmm_clobbers '"":::"%xmm0"'