--- CMakeLists.txt.orig	2014-11-16 02:19:44.000000000 +0900
+++ CMakeLists.txt	2014-11-16 02:19:54.000000000 +0900
@@ -13,7 +13,7 @@
 find_package(LibKdeEdu REQUIRED)
 add_definitions(-DQT_USE_FAST_CONCATENATION -DQT_USE_FAST_OPERATOR_PLUS)
 
-add_subdirectory( doc )
+#add_subdirectory( doc )
 add_subdirectory( src ) 
 add_subdirectory( icons ) 
 add_subdirectory( sounds )