From a199f9a9b980e745c9d6d1da8345e2991a9a40e4 Mon Sep 17 00:00:00 2001
From: Daniel Arndt <daniel.arndt@iwr.uni-heidelberg.de>
Date: Mon, 10 Dec 2018 22:21:13 +0100
Subject: [PATCH] Fix boost for MSVC as in
 https://github.com/boostorg/graph/pull/84

---
 .../boost-1.62.0/include/boost/graph/named_function_params.hpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/bundled/boost-1.62.0/include/boost/graph/named_function_params.hpp b/bundled/boost-1.62.0/include/boost/graph/named_function_params.hpp
index a9a9add6c8..4842dc9548 100644
--- a/bundled/boost-1.62.0/include/boost/graph/named_function_params.hpp
+++ b/bundled/boost-1.62.0/include/boost/graph/named_function_params.hpp
@@ -228,6 +228,7 @@ BOOST_BGL_DECLARE_NAMED_PARAMS
   };
 
   struct param_not_found {};
+  static param_not_found g_param_not_found;
 
   template <typename Tag, typename Args>
   struct get_param_type: 
@@ -237,7 +238,7 @@ BOOST_BGL_DECLARE_NAMED_PARAMS
   inline
   const typename lookup_named_param_def<Tag, Args, param_not_found>::type&
   get_param(const Args& p, Tag) {
-    return lookup_named_param_def<Tag, Args, param_not_found>::get(p, param_not_found());
+    return lookup_named_param_def<Tag, Args, param_not_found>::get(p, g_param_not_found);
   }
 
   template <class P, class Default> 
-- 
2.39.5