From 891c8eaa9f9b35abc4c75e46be1f33ce541bd434 Mon Sep 17 00:00:00 2001
From: James Turner <zakalawe@mac.com>
Date: Mon, 9 Feb 2015 16:42:58 +0000
Subject: [PATCH] Cmake policies conditional on Cmake version.

---
 CMakeLists.txt | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index fa8f728b4..505538c1a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -6,8 +6,10 @@ include (CheckCXXSourceCompiles)
 include (CheckIncludeFile)
 
 if(COMMAND cmake_policy)
-    cmake_policy(SET CMP0054 NEW)
-    cmake_policy(SET CMP0042 NEW)
+    if(${CMAKE_MAJOR_VERSION} GREATER 2) # version 3 or higher
+        cmake_policy(SET CMP0054 NEW)
+        cmake_policy(SET CMP0042 NEW)
+    endif()
 endif()
 
 # set this before project()