diff -u -r TECkit_2_5_1/source/Compiler.cpp.orig TECkit_2_5_1/source/Compiler.cpp
--- TECkit_2_5_1/source/Compiler.cpp.orig	2008-04-07 09:21:12 -0500
+++ TECkit_2_5_1/source/Compiler.cpp	2009-05-08 10:05:57 -0500
@@ -29,6 +29,8 @@
 
 #include "Compiler.h"
 
+#include <stdio.h>
+
 #include <iostream>
 #include <iomanip>
 #include <algorithm>