--- CMakeLists.txt.orig	2012-01-30 10:00:09.000000000 +0900
+++ CMakeLists.txt	2012-01-30 10:00:18.000000000 +0900
@@ -37,4 +37,4 @@
 add_subdirectory(src)
 add_subdirectory(misc)
 
-add_subdirectory(doc)
+#add_subdirectory(doc)