#include <boost/scoped_ptr.hpp>
#include <boost/shared_ptr.hpp>
#include <boost/signals/connection.hpp>
-#include <boost/signals/signal0.hpp>
-#include <boost/signals/signal1.hpp>
-#include <boost/signals/signal2.hpp>
+#include <boost/signal.hpp>
#include <boost/signals/trackable.hpp>
#include <boost/test/detail/nullstream.hpp>
#include <boost/tokenizer.hpp>