diff -up ./libgksuui/Makefile.am.link ./libgksuui/Makefile.am
--- ./libgksuui/Makefile.am.link	2008-05-09 17:39:54.000000000 +0000
+++ ./libgksuui/Makefile.am	2012-12-25 12:42:39.959802188 +0000
@@ -5,6 +5,7 @@ AM_CPPFLAGS = -DLOCALEDIR=\"$(datadir)/l
 noinst_LTLIBRARIES = libgksuui1.0.la
 libgksuui1_0_la_SOURCES = gksuui-dialog.c
 libgksuui1_0_la_LDFLAGS = -Wl,-O1 `pkg-config --libs gtk+-2.0 gconf-2.0`
+libgksuui1_0_la_LIBADD = -lX11
 
 noinst_HEADERS = defines.h gksuui.h gksuui-dialog.h
 includedir = ${prefix}/include/$(PACKAGE)