diff -ru gtkmathview-0.8.0.orig/src/common/AbstractLogger.cc gtkmathview-0.8.0/src/common/AbstractLogger.cc
--- gtkmathview-0.8.0.orig/src/common/AbstractLogger.cc	2009-02-28 13:56:00.000000000 +0000
+++ gtkmathview-0.8.0/src/common/AbstractLogger.cc	2009-02-28 13:56:28.000000000 +0000
@@ -19,6 +19,7 @@
 #include <config.h>
 
 #include <stdarg.h>
+#include <stdio.h>
 
 #include "AbstractLogger.hh"