1 files changed, 65 insertions, 0 deletions
diff --git a/src/third_party/boost-1.60.0/boost/accumulators/framework/accumulator_base.hpp b/src/third_party/boost-1.60.0/boost/accumulators/framework/accumulator_base.hpp
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index 00000000000..52c520d1074
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+++ b/src/third_party/boost-1.60.0/boost/accumulators/framework/accumulator_base.hpp
@@ -0,0 +1,65 @@
+///////////////////////////////////////////////////////////////////////////////
+// accumulator_base.hpp
+//
+//  Copyright 2005 Eric Niebler. 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)
+
+#ifndef BOOST_ACCUMULATORS_FRAMEWORK_ACCUMULATORS_BASE_HPP_EAN_28_10_2005
+#define BOOST_ACCUMULATORS_FRAMEWORK_ACCUMULATORS_BASE_HPP_EAN_28_10_2005
+
+#include <boost/mpl/placeholders.hpp>
+#include <boost/mpl/joint_view.hpp>
+#include <boost/mpl/single_view.hpp>
+#include <boost/mpl/fold.hpp>
+#include <boost/mpl/contains.hpp>
+#include <boost/mpl/empty_sequence.hpp>
+#include <boost/accumulators/framework/accumulator_concept.hpp>
+
+namespace boost { namespace accumulators
+{
+
+namespace detail
+{
+    typedef void void_;
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// dont_care
+//
+struct dont_care
+{
+    template<typename Args>
+    dont_care(Args const &)
+    {
+    }
+};
+
+///////////////////////////////////////////////////////////////////////////////
+// accumulator_base
+//
+struct accumulator_base
+{
+    // hidden if defined in derived classes
+    detail::void_ operator ()(dont_care)
+    {
+    }
+
+    typedef mpl::false_ is_droppable;
+
+    detail::void_ add_ref(dont_care)
+    {
+    }
+
+    detail::void_ drop(dont_care)
+    {
+    }
+
+    detail::void_ on_drop(dont_care)
+    {
+    }
+};
+
+}} // namespace boost::accumulators
+
+#endif