--- CMakeLists.txt.orig	2014-01-12 11:06:27.000000000 +0100
+++ CMakeLists.txt	2014-07-05 14:42:07.000000000 +0200
@@ -217,6 +217,6 @@
 macro_optional_add_subdirectory( po )
 
 
-include(MacroOptionalAddSubdirectory)
-macro_optional_add_subdirectory( doc )
+#include(MacroOptionalAddSubdirectory)
+#macro_optional_add_subdirectory( doc )