diff -Nuar a/CMakeLists.txt b/CMakeLists.txt
--- a/CMakeLists.txt	2015-08-13 04:25:22.000000000 +0300
+++ b/CMakeLists.txt	2015-08-20 20:05:19.529158220 +0300
@@ -1,5 +1,5 @@
 cmake_minimum_required(VERSION 2.8.9 FATAL_ERROR)
 cmake_policy(SET CMP0002 OLD)
 cmake_policy(SET CMP0014 OLD)
-add_subdirectory(4)
+#add_subdirectory(4)
 add_subdirectory(5)
