--- CMakeLists.txt.orig	2013-01-24 07:06:03.000000000 +0900
+++ CMakeLists.txt	2013-02-17 14:36:42.000000000 +0900
@@ -13,4 +13,4 @@
 
 add_subdirectory(src)
 add_subdirectory(data)
-add_subdirectory(doc)
+#add_subdirectory(doc)