--- skstream-0.3.6.orig/skstream/skstream.h
+++ skstream-0.3.6/skstream/skstream.h
@@ -29,6 +29,7 @@
 #ifndef RGJ_FREE_STREAM_H_
 #define RGJ_FREE_STREAM_H_
 
+#include <cstdio>
 #include <iostream>
 
 #include <skstream/sksocket.h>