stabilize build system: depends, installer, boost/bdb fixes, cross targets groundwork

depends/x86_64-pc-linux-gnu/include/boost/compute/async/wait.hpp

@@ -0,0 +1,56 @@
+//---------------------------------------------------------------------------//
+// Copyright (c) 2013-2014 Kyle Lutz <kyle.r.lutz@gmail.com>
+//
+// Distributed under 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
+//
+// See http://boostorg.github.com/compute for more information.
+//---------------------------------------------------------------------------//
+
+#ifndef BOOST_COMPUTE_ASYNC_WAIT_HPP
+#define BOOST_COMPUTE_ASYNC_WAIT_HPP
+
+#include <boost/compute/config.hpp>
+#include <boost/compute/utility/wait_list.hpp>
+
+namespace boost {
+namespace compute {
+namespace detail {
+
+#ifndef BOOST_COMPUTE_NO_VARIADIC_TEMPLATES
+template<class Event>
+inline void insert_events_variadic(wait_list &l, Event&& event)
+{
+    l.insert(std::forward<Event>(event));
+}
+
+template<class Event, class... Rest>
+inline void insert_events_variadic(wait_list &l, Event&& event, Rest&&... rest)
+{
+    l.insert(std::forward<Event>(event));
+
+    insert_events_variadic(l, std::forward<Rest>(rest)...);
+}
+#endif // BOOST_COMPUTE_NO_VARIADIC_TEMPLATES
+
+} // end detail namespace
+
+#ifndef BOOST_COMPUTE_NO_VARIADIC_TEMPLATES
+/// Blocks until all events have completed. Events can either be \ref event
+/// objects or \ref future "future<T>" objects.
+///
+/// \see event, wait_list
+template<class... Events>
+inline void wait_for_all(Events&&... events)
+{
+    wait_list l;
+    detail::insert_events_variadic(l, std::forward<Events>(events)...);
+    l.wait();
+}
+#endif // BOOST_COMPUTE_NO_VARIADIC_TEMPLATES
+
+} // end compute namespace
+} // end boost namespace
+
+#endif // BOOST_COMPUTE_ASYNC_WAIT_HPP