From e51512d9cd28a09967bd795bfb31e87ac2f3e9ae Mon Sep 17 00:00:00 2001
From: Barend Gehrels <barend@xs4all.nl>
Date: Wed, 13 Jul 2016 10:40:14 +0200
Subject: [PATCH] [buffer] fix compilation by adding specialization for
 pointorder on buffered ring collections

---
 .../algorithms/detail/buffer/buffered_ring.hpp   | 16 ++++++++++++++++
 .../detail/overlay/handle_colocations.hpp        |  1 +
 2 files changed, 17 insertions(+)

diff --git a/include/boost/geometry/algorithms/detail/buffer/buffered_ring.hpp b/include/boost/geometry/algorithms/detail/buffer/buffered_ring.hpp
index db6136e1a..4fd24b145 100644
--- a/include/boost/geometry/algorithms/detail/buffer/buffered_ring.hpp
+++ b/include/boost/geometry/algorithms/detail/buffer/buffered_ring.hpp
@@ -16,6 +16,8 @@
 
 #include <boost/geometry/core/assert.hpp>
 #include <boost/geometry/core/coordinate_type.hpp>
+#include <boost/geometry/core/closure.hpp>
+#include <boost/geometry/core/point_order.hpp>
 #include <boost/geometry/core/point_type.hpp>
 
 #include <boost/geometry/strategies/buffer.hpp>
@@ -147,6 +149,20 @@ struct ring_type
     typedef Ring type;
 };
 
+
+// There is a specific tag, so this specialization cannot be placed in traits
+template <typename Ring>
+struct point_order<detail::buffer::buffered_ring_collection_tag,
+        geometry::detail::buffer::buffered_ring_collection
+        <
+            geometry::detail::buffer::buffered_ring<Ring>
+        > >
+{
+    static const order_selector value
+        = core_dispatch::point_order<ring_tag, Ring>::value;
+};
+
+
 }
 
 
diff --git a/include/boost/geometry/algorithms/detail/overlay/handle_colocations.hpp b/include/boost/geometry/algorithms/detail/overlay/handle_colocations.hpp
index 0496c69af..027333e61 100644
--- a/include/boost/geometry/algorithms/detail/overlay/handle_colocations.hpp
+++ b/include/boost/geometry/algorithms/detail/overlay/handle_colocations.hpp
@@ -15,6 +15,7 @@
 #include <vector>
 
 #include <boost/range.hpp>
+#include <boost/geometry/core/point_order.hpp>
 #include <boost/geometry/algorithms/detail/overlay/cluster_info.hpp>
 #include <boost/geometry/algorithms/detail/overlay/do_reverse.hpp>
 #include <boost/geometry/algorithms/detail/overlay/overlay_type.hpp>