diff -ur vamp-libxtract-plugins-0.4.2.20071019.orig/plugins/XTractPlugin.cpp vamp-libxtract-plugins-0.4.2.20071019/plugins/XTractPlugin.cpp
--- vamp-libxtract-plugins-0.4.2.20071019.orig/plugins/XTractPlugin.cpp	2007-10-19 17:17:17.000000000 +0300
+++ vamp-libxtract-plugins-0.4.2.20071019/plugins/XTractPlugin.cpp	2009-07-24 20:54:33.000000000 +0300
@@ -16,6 +16,7 @@
 
 #include "XTractPlugin.h"
 
+#include <cstdio>
 #include <cassert>
 #include <math.h>