From 747021e0c89d50f93ded1c9809fd33e14a4b3575 Mon Sep 17 00:00:00 2001
From: Pierre Bourdon <delroth@gmail.com>
Date: Sun, 2 Mar 2014 04:15:33 +0100
Subject: [PATCH] CMake: detect GTest if it is installed

---
 CMakeLists.txt | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0a38af9c37..c80f1d6f13 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,7 +1,7 @@
 ########################################
 # General setup
 #
-cmake_minimum_required(VERSION 2.6)
+cmake_minimum_required(VERSION 2.8)
 
 option(ANDROID "Enables a build for Android" OFF)
 option(USE_EGL "Enables EGL OpenGL Interface" OFF)
@@ -331,6 +331,14 @@ if(NOT OPENMP_FOUND)
 	message("OpenMP parallelization disabled")
 endif()
 
+include(FindGTest OPTIONAL)
+if(GTEST_FOUND)
+	include_directories(${GTEST_INCLUDE_DIRS})
+	message("GTest found, unit tests can be compiled and ran with 'ctest'")
+else()
+	message("GTest NOT found, disabling unit tests")
+endif(GTEST_FOUND)
+
 if(NOT ANDROID)
 
 	include(FindOpenGL)