diff -uNr yamcha-0.33-original/libexec/mkdarts.cpp yamcha-0.33/libexec/mkdarts.cpp
--- yamcha-0.33-original/libexec/mkdarts.cpp	2004-03-13 02:12:13.000000000 +0900
+++ yamcha-0.33/libexec/mkdarts.cpp	2008-05-25 18:46:31.000000000 +0900
@@ -21,6 +21,8 @@
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */  
 
+#include <cstdlib>
+
 #include <cstdio>
 #include <cstring>
 #include <iostream>
diff -uNr yamcha-0.33-original/src/common.h yamcha-0.33/src/common.h
--- yamcha-0.33-original/src/common.h	2005-09-05 23:50:59.000000000 +0900
+++ yamcha-0.33/src/common.h	2008-05-25 18:46:17.000000000 +0900
@@ -32,6 +32,8 @@
 #define COPYRIGHT "Yet Another Multipurpose CHunk Annotator\n\
 Copyright (C) 2001-2004 Taku Kudo All rights reserved.\n"
 
+#include <string.h>
+
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif