cmake doesn't has POLICY CMP0054 in low version

diff --git a/CMakeLists.txt b/CMakeLists.txt
index c8a9b91e96d86e85c09bd1769d4d860edef1b859..847a1abfc77da5745b3079985afed28d33cfadde 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -23,7 +23,10 @@ if (APPLE)
 else()
     cmake_minimum_required(VERSION 2.8.3 FATAL_ERROR)
 endif()
-cmake_policy(SET CMP0054 NEW)
+
+if (POLICY CMP0054)
+    cmake_policy(SET CMP0054 NEW)
+endif()
 
 if(NOT CMAKE_BUILD_TYPE)
     set(CMAKE_BUILD_TYPE Release