From 104b63d83b36883357b3e9983cd87bd2aeb38449 Mon Sep 17 00:00:00 2001
From: Marcus Edel <marcus.edel@fu-berlin.de>
Date: Fri, 5 May 2017 13:35:36 +0200
Subject: [PATCH] Include visitor and traverse header only for recent boost
 versions.

---
 src/mlpack/tests/mlpack_test.cpp | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/mlpack/tests/mlpack_test.cpp b/src/mlpack/tests/mlpack_test.cpp
index f0ab9e9bd1..206b92fd9e 100644
--- a/src/mlpack/tests/mlpack_test.cpp
+++ b/src/mlpack/tests/mlpack_test.cpp
@@ -19,8 +19,11 @@
   #define BOOST_AUTO_TEST_MAIN
 #endif
 
-#include <boost/test/tree/visitor.hpp>
-#include <boost/test/tree/traverse.hpp>
+#if BOOST_VERSION >= 105900
+  #include <boost/test/tree/visitor.hpp>
+  #include <boost/test/tree/traverse.hpp>
+#endif
+
 #include <boost/test/unit_test.hpp>
 #include "test_tools.hpp"