update boost on linux

linx64/include/boost/geometry/algorithms/detail/envelope/implementation.hpp

@@ -26,6 +26,7 @@
 
 #include <boost/geometry/algorithms/is_empty.hpp>
 
+#include <boost/geometry/algorithms/detail/envelope/areal.hpp>
 #include <boost/geometry/algorithms/detail/envelope/box.hpp>
 #include <boost/geometry/algorithms/detail/envelope/linear.hpp>
 #include <boost/geometry/algorithms/detail/envelope/multipoint.hpp>
@@ -35,73 +36,4 @@
 
 #include <boost/geometry/algorithms/dispatch/envelope.hpp>
 
-
-namespace boost { namespace geometry
-{
-
-#ifndef DOXYGEN_NO_DETAIL
-namespace detail { namespace envelope
-{
-
-
-struct envelope_polygon
-{
-    template <typename Polygon, typename Box, typename Strategy>
-    static inline void apply(Polygon const& polygon, Box& mbr, Strategy const& strategy)
-    {
-        typename ring_return_type<Polygon const>::type ext_ring
-            = exterior_ring(polygon);
-
-        if (geometry::is_empty(ext_ring))
-        {
-            // if the exterior ring is empty, consider the interior rings
-            envelope_multi_range
-                <
-                    envelope_range
-                >::apply(interior_rings(polygon), mbr, strategy);
-        }
-        else
-        {
-            // otherwise, consider only the exterior ring
-            envelope_range::apply(ext_ring, mbr, strategy);
-        }
-    }
-};
-
-
-}} // namespace detail::envelope
-#endif // DOXYGEN_NO_DETAIL
-
-#ifndef DOXYGEN_NO_DISPATCH
-namespace dispatch
-{
-
-
-template <typename Ring>
-struct envelope<Ring, ring_tag>
-    : detail::envelope::envelope_range
-{};
-
-
-template <typename Polygon>
-struct envelope<Polygon, polygon_tag>
-    : detail::envelope::envelope_polygon
-{};
-
-
-template <typename MultiPolygon>
-struct envelope<MultiPolygon, multi_polygon_tag>
-    : detail::envelope::envelope_multi_range
-        <
-            detail::envelope::envelope_polygon
-        >
-{};
-
-
-} // namespace dispatch
-#endif // DOXYGEN_NO_DISPATCH
-
-
-}} // namespace boost::geometry
-
 #endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_ENVELOPE_IMPLEMENTATION_HPP