--- ./configure.org	2007-09-20 06:38:22.000000000 +0900
+++ ./configure	2007-09-21 18:35:19.000000000 +0900
@@ -6574,7 +6574,7 @@
 int main(void) { x264_encoder_open((void*)0); return 0; }
 EOF
   _x264=no
-  for _ld_x264 in "-lx264 $_ld_pthread" "-lx264 $_ld_pthread $_ld_lm" ; do
+  for _ld_x264 in "-lx264 -lX11 $_ld_pthread" "-lx264 -lX11 $_ld_pthread $_ld_lm" ; do
     cc_check $_ld_x264 && _libs_mencoder="$_libs_mencoder $_ld_x264" && _x264=yes && break
   done
 fi