--- a/configure.old	2013-12-11 21:24:44.422276752 -0600
+++ b/configure	2013-12-11 21:27:26.954335983 -0600
@@ -897,6 +897,10 @@
   ;;
   --enable-virtio-blk-data-plane) virtio_blk_data_plane="yes"
   ;;
+  --disable-gtk) gtk="no"
+  ;;
+  --enable-gtk) gtk="yes"
+  ;;
   *) echo "ERROR: unknown option $opt"; show_help="yes"
   ;;
   esac