--- CMakeLists.txt.orig	2014-11-19 22:39:25.000000000 +0900
+++ CMakeLists.txt	2014-11-19 22:39:29.000000000 +0900
@@ -13,7 +13,7 @@
 
 macro_optional_find_package(Gettext)
 
-add_subdirectory( doc )
+#add_subdirectory( doc )
 
 include_directories(${GETTEXTPO_INCLUDE_DIR})