From 745ee750e02f2cd5c01ff8cd291e050cde17f318 Mon Sep 17 00:00:00 2001
From: sanctum32 <andriuspel@gmail.com>
Date: Mon, 2 Feb 2015 20:38:09 +0000
Subject: [PATCH] Older versions of clang ( 3.6 and older) still uses tr1
 namespace for some types

---
 src/framework/Utilities/UnorderedMapSet.h | 17 ++++++++++-------
 1 file changed, 10 insertions(+), 7 deletions(-)

diff --git a/src/framework/Utilities/UnorderedMapSet.h b/src/framework/Utilities/UnorderedMapSet.h
index ba4cba3df..a1fc77d87 100644
--- a/src/framework/Utilities/UnorderedMapSet.h
+++ b/src/framework/Utilities/UnorderedMapSet.h
@@ -96,16 +96,19 @@ HASH_NAMESPACE_END
 #  define HASH_NAMESPACE_END }
 using std::hash_map;
 using std::hash_set;
-#elif COMPILER == COMPILER_CLANG && defined(__FreeBSD__)
-#  define UNORDERED_MAP std::unordered_map
-#  define UNORDERED_SET std::unordered_set
-#  define HASH_NAMESPACE_START namespace std { namespace __1 {
-#  define HASH_NAMESPACE_END } }
 #elif COMPILER == COMPILER_CLANG
-#  define UNORDERED_MAP std::tr1::unordered_map
-#  define UNORDERED_SET std::tr1::unordered_set
+# if __clang_major__ >= 3
+#    if __clang_minor >= 7
+#       define UNORDERED_MAP std::unordered_map
+#       define UNORDERED_SET std::unordered_set
+#    else
+#       define UNORDERED_MAP std::tr1::unordered_map
+#       define UNORDERED_SET std::tr1::unordered_set
+#    endif
+# endif
 #  define HASH_NAMESPACE_START namespace std { namespace tr1 {
 #  define HASH_NAMESPACE_END } }
+# endif
 #elif COMPILER == COMPILER_GNU && (__GNUC__ > 4 || __GNUC__ == 4 && __GNUC_MINOR__ >= 3)
 #  define UNORDERED_MAP std::tr1::unordered_map
 #  define UNORDERED_SET std::tr1::unordered_set