diff -ru TECkit_2_5_1.orig/source/Compiler.cpp TECkit_2_5_1/source/Compiler.cpp
--- TECkit_2_5_1.orig/source/Compiler.cpp	2009-03-05 10:29:22.000000000 +0000
+++ TECkit_2_5_1/source/Compiler.cpp	2009-03-05 10:29:50.000000000 +0000
@@ -33,6 +33,7 @@
 #include <iomanip>
 #include <algorithm>
 #include <cstring>
+#include <stdio.h>
 
 #include "zlib.h"