diff -Nru nvclock0.8b4.orig/src/gtk/Makefile.in nvclock0.8b4/src/gtk/Makefile.in
--- nvclock0.8b4.orig/src/gtk/Makefile.in	2012-12-15 18:45:24.850837856 +0200
+++ nvclock0.8b4/src/gtk/Makefile.in	2012-12-15 18:50:14.321618647 +0200
@@ -20,7 +20,7 @@
 ifeq ($(HAVE_NVCONTROL), yes)
     DEPS=$(libbackend) $(libnvcontrol)
     INCLUDES=@X11_CFLAGS@ -I./backend -I./nvcontrol -I.. -I../..
-    LIBS=@GTK_LIBS@ -L../backend -lbackend -L../nvcontrol -lnvcontrol
+    LIBS=@GTK_LIBS@ -L../backend -lbackend -L../nvcontrol -lnvcontrol -lXext -lX11 -ldl
     OBJECTS=banner.o gl.o hw.o main.o settings.o
 else
     DEPS=$(libbackend)