--- CMakeLists.txt.orig	2013-09-14 19:15:30.000000000 +0900
+++ CMakeLists.txt	2013-09-14 19:15:57.000000000 +0900
@@ -17,7 +17,7 @@
 ########### install files ###############
 if (UNIX)
 #shell program
-add_subdirectory( doc )
+#add_subdirectory( doc )
 install(PROGRAMS
   adddebug
   build-progress.sh