--- src/CTPP2FileSourceLoader.cpp.orig	2012-08-02 16:22:44.000000000 +0900
+++ src/CTPP2FileSourceLoader.cpp	2013-01-13 01:04:57.993727806 +0900
@@ -38,7 +38,7 @@
 #include <errno.h>
 #include <stdio.h>
 #include <stdlib.h>
-
+#include <unistd.h>
 #ifdef WIN32
     #include <direct.h> /* getcwd */
     #include <windows.h>
