--- CMakeLists.txt.orig	2013-01-24 07:08:34.000000000 +0900
+++ CMakeLists.txt	2013-02-17 13:27:36.000000000 +0900
@@ -14,7 +14,7 @@
 
 add_subdirectory(themes)
 add_subdirectory(icons)
-add_subdirectory(doc)
+#add_subdirectory(doc)
 add_subdirectory(levels)
 add_subdirectory(src)