From d5e8cf95a8806e5532b254cbca6df7dc20004b62 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=A9bastien=20Loriot?= <sebastien.loriot@cgal.org>
Date: Tue, 17 May 2016 10:19:03 +0200
Subject: [PATCH] workaround the bug in bgl

---
 Cone_spanners_2/test/Cone_spanners_2/theta_exact.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Cone_spanners_2/test/Cone_spanners_2/theta_exact.cpp b/Cone_spanners_2/test/Cone_spanners_2/theta_exact.cpp
index 88f1d31c8a9..5f70e312557 100644
--- a/Cone_spanners_2/test/Cone_spanners_2/theta_exact.cpp
+++ b/Cone_spanners_2/test/Cone_spanners_2/theta_exact.cpp
@@ -22,7 +22,11 @@ typedef Kernel::Direction_2               Direction_2;
 // define the graph type
 typedef boost::adjacency_list<boost::listS,
                               boost::vecS,
+                              #ifdef CGAL_CXX11
+                              boost::undirectedS,
+                              #else
                               boost::directedS,
+                              #endif
                               Point_2
                              > Graph;