From 01705758dd04d937160c99c8b87c6fa2057db894 Mon Sep 17 00:00:00 2001
From: Daniel Scharrer <daniel@constexpr.org>
Date: Tue, 23 Feb 2016 05:45:50 +0100
Subject: [PATCH] CMake: Disable variable expansion for quoted strings in if()

This makes the build system more rubust against stray variables
coming from included CMake scripts provided by the system.

Fixes build with CMake 3.5 (tested with 3.5.0-rc3).

Fixes: issue #50
---
 CMakeLists.txt | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 02e0308..8653b93 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,6 +2,11 @@ project(innoextract)
 
 cmake_minimum_required(VERSION 2.8)
 
+if(POLICY CMP0054)
+	# CMake 3.1+: Only interpret if() arguments as variables or keywords when unquoted.
+	cmake_policy(SET CMP0054 NEW)
+endif()
+
 
 # Define configuration options