--- CMakeLists.txt.orig	2013-01-24 07:04:54.000000000 +0900
+++ CMakeLists.txt	2013-02-17 14:08:12.000000000 +0900
@@ -16,4 +16,4 @@
 add_subdirectory( sounds )
 add_subdirectory( pictures )
 add_subdirectory( src )
-add_subdirectory( doc )
+#add_subdirectory( doc )