--- CMakeLists.txt.orig	2013-09-14 14:36:38.000000000 +0900
+++ CMakeLists.txt	2013-09-14 14:36:44.000000000 +0900
@@ -68,4 +68,4 @@
 
 add_subdirectory(tests) 
 
-add_subdirectory(doc)
+#add_subdirectory(doc)