From 5b61aa18a87747a0b5d36b2cc455eae08a84d919 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=A9bastien=20Loriot?= <sebastien.loriot@cgal.org>
Date: Wed, 30 Nov 2016 08:48:22 +0100
Subject: [PATCH] workaroung a bug in g++ 4.4

---
 .../graph_traits_Triangulation_data_structure_2.h | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/Triangulation_2/include/CGAL/boost/graph/graph_traits_Triangulation_data_structure_2.h b/Triangulation_2/include/CGAL/boost/graph/graph_traits_Triangulation_data_structure_2.h
index 7d8464975e9..eb5d8493370 100644
--- a/Triangulation_2/include/CGAL/boost/graph/graph_traits_Triangulation_data_structure_2.h
+++ b/Triangulation_2/include/CGAL/boost/graph/graph_traits_Triangulation_data_structure_2.h
@@ -308,6 +308,21 @@ public:
   } // namespace detail
 } // namespace CGAL
 
+namespace std{
+
+// workaround a bug detected on at least g++ 4.4 where boost::next(Iterator)
+// is picked as a candidate for next(h,g)
+template <typename Tr>
+struct iterator_traits< CGAL::detail::TDS2_halfedge_descriptor<Tr> >
+{
+  typedef void* iterator_category;
+  typedef void* difference_type;
+  typedef void* value_type;
+  typedef void* reference;
+};
+
+} // end of namespace std
+
 namespace boost { 
 
   template <class GT, class TDS>