From 7850024f5051eeec492aa3042d0b267c875cd5c5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=A9bastien=20Loriot?= <sebastien.loriot@cgal.org>
Date: Wed, 2 May 2018 13:40:27 +0200
Subject: [PATCH] handle empty build type

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

diff --git a/CMakeLists.txt b/CMakeLists.txt
index f4ce5cd25..347c09b60 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -40,7 +40,7 @@ if ( CGAL_FOUND )
   include_directories(BEFORE patches_in_CGAL_4.2/include)
   endif()
 
-  if (${CMAKE_BUILD_TYPE} STREQUAL Release)
+  if ("${CMAKE_BUILD_TYPE}" STREQUAL "Release")
     if(CMAKE_COMPILER_IS_GNUCXX)
       message (STATUS "Release mode with g++: using -fno-strict-aliasing flags")
       set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-strict-aliasing")