Index: src/examples/pubsub_example.cpp
--- src/examples/pubsub_example.cpp.orig
+++ src/examples/pubsub_example.cpp
@@ -35,6 +35,8 @@ using namespace gloox;
 #include <stdio.h>
 #include <string>
 
+#include <ctime>
+
 #if defined( WIN32 ) || defined( _WIN32 )
 # include <windows.h>
 #endif