diff -r 32e9f1cc7aae6092fe5045a9c78f4999948c5923 -r 47020ebdcd5dec8a55fbbf7b9be23fe001dd38c8 src/unix_buffer.H
--- a/src/unix_buffer.H	Wed Apr 17 23:15:49 2013 -0500
+++ b/src/unix_buffer.H	Wed Apr 17 23:27:18 2013 -0500
@@ -56,6 +56,7 @@
 #include <iostream>
 #include <sstream>
 #include <exception>
+#include <cstdio>
 
 #ifdef WEIRD_VALGRIND_HACK
  #warning "weird valgrind hack enabled"