From f2496929dc6301ddb3ab88eed555bdcdff53e1c1 Mon Sep 17 00:00:00 2001
From: Boris Nagaev <bnagaev@gmail.com>
Date: Fri, 16 Oct 2015 03:39:16 +0300
Subject: cmake test: use policy CMP0020 only if available

Policy CMP0020 was introduced in cmake 2.8.11.
Debian CMake version 2.8.9 is sufficient for building Qt.

See https://github.com/LuaAndC/mxe/commit/6133f6ec74aee1b5fa531782e585710

close #909
---
 src/cmake/test/CMakeLists.txt | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/cmake/test/CMakeLists.txt b/src/cmake/test/CMakeLists.txt
index dd600ac..864075c 100644
--- a/src/cmake/test/CMakeLists.txt
+++ b/src/cmake/test/CMakeLists.txt
@@ -9,7 +9,9 @@ project(mxe NONE)
 
 # see cmake --help-policy <cmp> for details
 cmake_policy(SET CMP0017 NEW)
-cmake_policy(SET CMP0020 NEW)
+if (POLICY CMP0020)
+    cmake_policy(SET CMP0020 NEW)
+endif()
 
 # so we can find pkg-test.cmake files to include
 set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_LIST_DIR}/../.. ${CMAKE_MODULE_PATH})
-- 
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