--- Makefile.in.orig	2014-12-23 20:56:51.000000000 +0900
+++ Makefile.in	2014-12-23 20:58:20.000000000 +0900
@@ -196,7 +196,7 @@
 SET_MAKE = @SET_MAKE@
 SHELL = @SHELL@
 STRIP = @STRIP@
-SUBDIRS = cdb crf CRF++-0.58 distsim system rule dict doc
+SUBDIRS = cdb crf distsim system rule dict doc
 VERSION = @VERSION@
 abs_builddir = @abs_builddir@
 abs_srcdir = @abs_srcdir@