From 7685cdf112708deea9a51876039853754443b177 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20Vondru=C5=A1?= <mosra@centrum.cz>
Date: Fri, 22 Jul 2016 19:27:14 +0200
Subject: [PATCH] Fix CMake configuration in case CMAKE_CXX_FLAGS is empty.

Thanks @LB-- for pointing that out!
---
 src/CMakeLists.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 4d22dc8f2..f4ece4669 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -32,7 +32,7 @@ endif()
 
 # On MSVC remove /W3, as we are replacing it with /W4
 if(MSVC)
-    string(REPLACE "/W3" "" CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS})
+    string(REPLACE "/W3" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
 endif()
 
 # Emscripten needs special flag to use WebGL 2