--- ginac-1.5.1.org/ginac/parser/lexer.cpp 2009-03-16 22:04:09.000000000 +0530
+++ ginac-1.5.1/ginac/parser/lexer.cpp 2009-03-16 22:04:30.000000000 +0530
@@ -23,6 +23,7 @@
#include "lexer.h"
#include "compiler.h"
+#include <cstdio>
#include <iostream>
#include <sstream>
#include <string>