Added boost header

test/external/boost/signals2/variadic_signal.hpp

@@ -0,0 +1,44 @@
+/*
+  A variadic implementation of variadic boost::signals2::signal, used when variadic
+  template support is detected in the compiler.
+
+  Author: Frank Mori Hess <fmhess@users.sourceforge.net>
+  Begin: 2009-05-26
+*/
+// Copyright Frank Mori Hess 2009
+// Use, modification and
+// distribution is subject to the Boost Software License, Version
+// 1.0. (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+// For more information, see http://www.boost.org
+
+#ifndef BOOST_SIGNALS2_VARIADIC_SIGNAL_HPP
+#define BOOST_SIGNALS2_VARIADIC_SIGNAL_HPP
+
+#include <boost/preprocessor/control/expr_if.hpp>
+#include <boost/signals2/detail/variadic_arg_type.hpp>
+#include <boost/signals2/detail/variadic_slot_invoker.hpp>
+#include <boost/type_traits/function_traits.hpp>
+
+namespace boost
+{
+  namespace signals2
+  {
+    namespace detail
+    {
+      template<typename Signature> class variadic_extended_signature;
+      // partial template specialization
+      template<typename R, typename ... Args>
+        class variadic_extended_signature<R (Args...)>
+      {
+      public:
+        typedef boost::function<R (const boost::signals2::connection &, Args...)> function_type;
+      };
+    } // namespace detail
+  } // namespace signals2
+} // namespace boost
+
+#include <boost/signals2/detail/signal_template.hpp>
+
+#endif // BOOST_SIGNALS2_VARIADIC_SIGNAL_HPP