--- src/tools.cpp.orig	Sat Oct 25 15:34:40 2008
+++ src/tools.cpp	Sat Oct 25 15:35:41 2008
@@ -14,6 +14,7 @@ using namespace scim;
 #include <sys/stat.h>
 #include <limits.h>
 #include <string.h>
+#include <unistd.h>
 
 #include "version.h"
 #include "PYFA.h"