From 5f277db38bb4ce7fde6cfa54d005e218c354bebd Mon Sep 17 00:00:00 2001
From: Efi Fogel <efifogel@gmail.com>
Date: Wed, 13 Mar 2013 10:59:31 +0200
Subject: [PATCH] included boost/optional/optional.hpp

---
 Arrangement_on_surface_2/include/CGAL/Arr_overlay_2.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Arrangement_on_surface_2/include/CGAL/Arr_overlay_2.h b/Arrangement_on_surface_2/include/CGAL/Arr_overlay_2.h
index f0cca7bdb7a..cdbc415d53d 100644
--- a/Arrangement_on_surface_2/include/CGAL/Arr_overlay_2.h
+++ b/Arrangement_on_surface_2/include/CGAL/Arr_overlay_2.h
@@ -26,6 +26,8 @@
  * Definition of the global Arr_overlay_2() function.
  */
 
+#include <boost/optional/optional.hpp>
+
 #include <CGAL/Arrangement_on_surface_2.h>
 #include <CGAL/Sweep_line_2.h>
 #include <CGAL/Sweep_line_2/Arr_default_overlay_traits_base.h>