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

depends/x86_64-pc-linux-gnu/include/boost/geometry/algorithms/intersects.hpp

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+// Boost.Geometry (aka GGL, Generic Geometry Library)
+
+// Copyright (c) 2007-2014 Barend Gehrels, Amsterdam, the Netherlands.
+// Copyright (c) 2008-2014 Bruno Lalande, Paris, France.
+// Copyright (c) 2009-2014 Mateusz Loskot, London, UK.
+
+// This file was modified by Oracle on 2013-2017.
+// Modifications copyright (c) 2013-2017, Oracle and/or its affiliates.
+
+// Contributed and/or modified by Menelaos Karavelas, on behalf of Oracle
+// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
+
+// Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
+// (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands.
+
+// 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)
+
+#ifndef BOOST_GEOMETRY_ALGORITHMS_INTERSECTS_HPP
+#define BOOST_GEOMETRY_ALGORITHMS_INTERSECTS_HPP
+
+
+#include <deque>
+
+#include <boost/geometry/geometries/concepts/check.hpp>
+#include <boost/geometry/algorithms/detail/overlay/self_turn_points.hpp>
+#include <boost/geometry/algorithms/disjoint.hpp>
+
+#include <boost/geometry/policies/robustness/no_rescale_policy.hpp>
+#include <boost/geometry/policies/robustness/segment_ratio_type.hpp>
+
+#include <boost/geometry/strategies/relate.hpp>
+
+
+namespace boost { namespace geometry
+{
+
+/*!
+\brief \brief_check{has at least one intersection (crossing or self-tangency)}
+\note This function can be called for one geometry (self-intersection) and
+    also for two geometries (intersection)
+\ingroup intersects
+\tparam Geometry \tparam_geometry
+\param geometry \param_geometry
+\return \return_check{is self-intersecting}
+
+\qbk{distinguish,one geometry}
+\qbk{[def __one_parameter__]}
+\qbk{[include reference/algorithms/intersects.qbk]}
+*/
+template <typename Geometry>
+inline bool intersects(Geometry const& geometry)
+{
+    concepts::check<Geometry const>();
+
+    typedef typename geometry::point_type<Geometry>::type point_type;
+    typedef typename strategy::relate::services::default_strategy
+            <
+                Geometry, Geometry
+            >::type strategy_type;
+    typedef detail::no_rescale_policy rescale_policy_type;
+
+    typedef detail::overlay::turn_info
+        <
+            point_type,
+            typename segment_ratio_type<point_type, rescale_policy_type>::type
+        > turn_info;
+
+    std::deque<turn_info> turns;
+
+    typedef detail::overlay::get_turn_info
+        <
+            detail::overlay::assign_null_policy
+        > turn_policy;
+
+    strategy_type strategy;
+    rescale_policy_type robust_policy;
+
+    detail::disjoint::disjoint_interrupt_policy policy;
+    detail::self_get_turn_points::get_turns
+        <
+            turn_policy
+        >::apply(geometry, strategy, robust_policy, turns, policy);
+    return policy.has_intersections;
+}
+
+
+/*!
+\brief \brief_check2{have at least one intersection}
+\ingroup intersects
+\tparam Geometry1 \tparam_geometry
+\tparam Geometry2 \tparam_geometry
+\tparam Strategy \tparam_strategy{Intersects}
+\param geometry1 \param_geometry
+\param geometry2 \param_geometry
+\param strategy \param_strategy{intersects}
+\return \return_check2{intersect each other}
+
+\qbk{distinguish,with strategy}
+\qbk{[include reference/algorithms/intersects.qbk]}
+ */
+template <typename Geometry1, typename Geometry2, typename Strategy>
+inline bool intersects(Geometry1 const& geometry1,
+                       Geometry2 const& geometry2,
+                       Strategy const& strategy)
+{
+    concepts::check<Geometry1 const>();
+    concepts::check<Geometry2 const>();
+
+    return ! geometry::disjoint(geometry1, geometry2, strategy);
+}
+
+
+/*!
+\brief \brief_check2{have at least one intersection}
+\ingroup intersects
+\tparam Geometry1 \tparam_geometry
+\tparam Geometry2 \tparam_geometry
+\param geometry1 \param_geometry
+\param geometry2 \param_geometry
+\return \return_check2{intersect each other}
+
+\qbk{distinguish,two geometries}
+\qbk{[include reference/algorithms/intersects.qbk]}
+ */
+template <typename Geometry1, typename Geometry2>
+inline bool intersects(Geometry1 const& geometry1, Geometry2 const& geometry2)
+{
+    concepts::check<Geometry1 const>();
+    concepts::check<Geometry2 const>();
+
+    return ! geometry::disjoint(geometry1, geometry2);
+}
+
+
+
+}} // namespace boost::geometry
+
+#endif // BOOST_GEOMETRY_ALGORITHMS_INTERSECTS_HPP