--- CMakeLists.txt.orig	2017-01-09 11:45:05.000000000 +0900
+++ CMakeLists.txt	2017-01-09 11:45:11.000000000 +0900
@@ -4,6 +4,7 @@
 find_package(KDE4 REQUIRED)
 include (KDE4Defaults)
 include (MacroLibrary)
+include (CheckIncludeFiles)
 
 add_definitions (${QT_DEFINITIONS} ${KDE4_DEFINITIONS})
 add_definitions( -DQT_NO_CAST_FROM_ASCII )