From 7e41260135fa38d5f1646aefeff0b158fc5e8f8b Mon Sep 17 00:00:00 2001
From: James Goppert <james.goppert@gmail.com>
Date: Sat, 12 Sep 2015 14:51:42 -0400
Subject: [PATCH] Fix policy version number.

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

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 041966b1d0..736dd6f9b7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -142,6 +142,8 @@ project(px4 CXX C ASM)
 if (NOT ${CMAKE_VERSION} VERSION_LESS 3.0.0)
 	cmake_policy(SET CMP0045 NEW) # error on non-existent target in get prop
 	cmake_policy(SET CMP0046 NEW) # no non-existent targets as dependencies
+endif()
+if (NOT ${CMAKE_VERSION} VERSION_LESS 3.1.0)
 	cmake_policy(SET CMP0054 NEW) # don't dereference quoted variables
 endif()