--- ifilterstreambuf/ifilterstreambuf.orig	2013-11-13 11:44:52.000000000 +0100
+++ ifilterstreambuf/ifilterstreambuf	2013-11-27 14:52:22.000000000 +0100
@@ -1,6 +1,10 @@
 #ifndef INCLUDED_BOBCAT_IFILTERSTREAMBUF_
 #define INCLUDED_BOBCAT_IFILTERSTREAMBUF_
 
+#ifdef __FreeBSD__
+#include <stdio.h>
+#endif
+
 #include <streambuf>
 #include <memory>