From ee30a4381f8989ed9f39b4baae9f74e45c9dcdc9 Mon Sep 17 00:00:00 2001
From: Stefan Werner <stewreo@gmail.com>
Date: Wed, 20 Sep 2017 21:47:37 +0200
Subject: [PATCH] Added extra "const" to satisfy the strict clang version in
 Xcode 9

---
 intern/itasc/kdl/tree.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/intern/itasc/kdl/tree.hpp b/intern/itasc/kdl/tree.hpp
index c8a253fc901..bd35f82d185 100644
--- a/intern/itasc/kdl/tree.hpp
+++ b/intern/itasc/kdl/tree.hpp
@@ -34,7 +34,7 @@ namespace KDL
     //Forward declaration
     class TreeElement;
     // Eigen allocator is needed for alignment of Eigen data types
-    typedef std::map<std::string,TreeElement, std::less<std::string>, Eigen::aligned_allocator<std::pair<std::string, TreeElement> > > SegmentMap;
+    typedef std::map<std::string,TreeElement, std::less<std::string>, Eigen::aligned_allocator<std::pair<const std::string, TreeElement> > > SegmentMap;
 
     class TreeElement
     {
-- 
2.13.7