--- wmakerconf-2.12/configure.ac~	2015-10-22 09:35:39.470529297 +0800
+++ wmakerconf-2.12/configure.ac	2015-10-22 09:40:16.028093565 +0800
@@ -135,6 +135,7 @@
 AC_PATH_PROG(wraster, get-wings-flags)
 if test -n "$wraster"; then
         WRASTERLIBS=`($wraster --ldflags --libs 2>/dev/null || $wraster --lflags --libs) | xargs`
+	WRASTERLIBS="$WRASTERLIBS -lX11"
         WRASTERINCLUDES=`$wraster --cflags`
         MKPREVIEW="mkpreview"
         OLD_LDFLAGS="$LDFLAGS"