--- CMakeLists.txt.orig	2009-11-10 15:25:49.000000000 +0800
+++ CMakeLists.txt	2009-11-10 15:27:11.000000000 +0800
@@ -56,6 +56,8 @@
 
 # ======
 # Requires
+find_package(X11 REQUIRED)
+INCLUDE_DIRECTORIES(${X11_INCLUDE_DIR})
 # check qt
 find_package(Qt4 COMPONENTS QtCore QtGui QtDBus REQUIRED)
 include(${QT_USE_FILE})
