Index: libs/interprocess/test/managed_mapped_file_test.cpp
===================================================================
--- libs/interprocess/test/managed_mapped_file_test.cpp	(revision 49856)
+++ libs/interprocess/test/managed_mapped_file_test.cpp	(working copy)
@@ -14,6 +14,7 @@
 #include <boost/interprocess/managed_mapped_file.hpp>
 #include <cstdio>
 #include <string>
+#include <iostream>
 #include "get_process_id_name.hpp"
 
 using namespace boost::interprocess;