--- src/messages/data.hpp.orig 2013-11-14 18:45:48.006935510 +0700 +++ src/messages/data.hpp 2013-11-14 18:46:11.851588339 +0700 @@ -36,6 +36,7 @@ #include <boost/enable_shared_from_this.hpp> #include <boost/function.hpp> #include <boost/intrusive_ptr.hpp> +#include <boost/thread/locks.hpp> #include <boost/thread/mutex.hpp> #include <boost/utility.hpp>