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diff --git a/src/third_party/boost-1.70.0/boost/iostreams/pipeline.hpp b/src/third_party/boost-1.70.0/boost/iostreams/pipeline.hpp
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+++ b/src/third_party/boost-1.70.0/boost/iostreams/pipeline.hpp
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+// (C) Copyright 2008 CodeRage, LLC (turkanis at coderage dot com)
+// (C) Copyright 2003-2007 Jonathan Turkanis
+// 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://www.boost.org/libs/iostreams for documentation.
+
+#ifndef BOOST_IOSTREAMS_PIPABLE_HPP_INCLUDED
+#define BOOST_IOSTREAMS_PIPABLE_HPP_INCLUDED
+
+#if defined(_MSC_VER)
+# pragma once
+#endif
+
+#include <boost/config.hpp> // BOOST_MSVC.
+#include <boost/detail/workaround.hpp>           
+#include <boost/iostreams/detail/template_params.hpp>
+#include <boost/iostreams/traits.hpp>
+#include <boost/mpl/bool.hpp>
+#include <boost/preprocessor/punctuation/comma_if.hpp>
+#include <boost/preprocessor/repetition/enum_params.hpp>
+#include <boost/static_assert.hpp>
+
+#define BOOST_IOSTREAMS_PIPABLE(filter, arity) \
+    template< BOOST_PP_ENUM_PARAMS(arity, typename T) \
+              BOOST_PP_COMMA_IF(arity) typename Component> \
+    ::boost::iostreams::pipeline< \
+        ::boost::iostreams::detail::pipeline_segment< \
+            filter BOOST_IOSTREAMS_TEMPLATE_ARGS(arity, T) \
+        >, \
+        Component \
+    > operator|( const filter BOOST_IOSTREAMS_TEMPLATE_ARGS(arity, T)& f, \
+                 const Component& c ) \
+    { \
+        typedef ::boost::iostreams::detail::pipeline_segment< \
+                    filter BOOST_IOSTREAMS_TEMPLATE_ARGS(arity, T) \
+                > segment; \
+        return ::boost::iostreams::pipeline<segment, Component> \
+                   (segment(f), c); \
+    } \
+    /**/
+
+namespace boost { namespace iostreams {
+
+template<typename Pipeline, typename Component>
+struct pipeline;
+    
+namespace detail {
+
+#if BOOST_WORKAROUND(__BORLANDC__, < 0x600)
+    template<typename T>
+    struct is_pipeline : mpl::false_ { };
+
+    template<typename Pipeline, typename Component>
+    struct is_pipeline< pipeline<Pipeline, Component> > : mpl::true_ { };
+#endif
+
+template<typename Component>
+class pipeline_segment 
+{
+public:
+    pipeline_segment(const Component& component) 
+        : component_(component) 
+        { }
+    template<typename Fn>
+    void for_each(Fn fn) const { fn(component_); }
+    template<typename Chain>
+    void push(Chain& chn) const { chn.push(component_); }
+private:
+    pipeline_segment operator=(const pipeline_segment&);
+    const Component& component_;
+};
+
+} // End namespace detail.
+                    
+//------------------Definition of Pipeline------------------------------------//
+
+template<typename Pipeline, typename Component>
+struct pipeline : Pipeline {
+    typedef Pipeline   pipeline_type;
+    typedef Component  component_type;
+    pipeline(const Pipeline& p, const Component& component)
+        : Pipeline(p), component_(component)
+        { }
+    template<typename Fn>
+    void for_each(Fn fn) const
+    {
+        Pipeline::for_each(fn);
+        fn(component_);
+    }
+    template<typename Chain>
+    void push(Chain& chn) const
+    { 
+        Pipeline::push(chn);
+        chn.push(component_);
+    }
+    const Pipeline& tail() const { return *this; }
+    const Component& head() const { return component_; }
+private:
+    pipeline operator=(const pipeline&);
+    const Component& component_;
+};
+
+template<typename Pipeline, typename Filter, typename Component>
+pipeline<pipeline<Pipeline, Filter>, Component>
+operator|(const pipeline<Pipeline, Filter>& p, const Component& cmp)
+{
+    BOOST_STATIC_ASSERT(is_filter<Filter>::value);
+    return pipeline<pipeline<Pipeline, Filter>, Component>(p, cmp);
+}
+
+} } // End namespaces iostreams, boost.
+
+#endif // #ifndef BOOST_IOSTREAMS_PIPABLE_HPP_INCLUDED