From b54e424d1bb6b223cccde1ddcbc82c9c18d5dcc9 Mon Sep 17 00:00:00 2001
From: saschawillems <webmaster@saschawillems.de>
Date: Tue, 20 Sep 2016 21:04:16 +0200
Subject: [PATCH] Implement make_unique, only require c++11 in CMakeLists
 (Fixes #235, Refs#167)

---
 CMakeLists.txt      |  4 +---
 base/threadpool.hpp | 10 +++++++++-
 2 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9a8ccaa8..4a923b40 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -31,9 +31,7 @@ message(STATUS ${VULKAN_LIB})
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DNOMINMAX -D_USE_MATH_DEFINES")
 
 add_definitions(-D_CRT_SECURE_NO_WARNINGS)
-add_definitions(-std=c++14)
-add_definitions(-std=c++0x)
-add_definitions(-std=gnu++14)
+add_definitions(-std=c++11)
 
 file(GLOB SOURCE *.cpp base/*.cpp)
 
diff --git a/base/threadpool.hpp b/base/threadpool.hpp
index 558f5484..c2feea11 100644
--- a/base/threadpool.hpp
+++ b/base/threadpool.hpp
@@ -12,6 +12,14 @@
 #include <mutex>
 #include <condition_variable>
 
+// make_unique is not available in C++11
+// Taken from Herb Sutter's blog (https://herbsutter.com/gotw/_102/)
+template<typename T, typename ...Args>
+std::unique_ptr<T> make_unique(Args&& ...args)
+{
+	return std::unique_ptr<T>(new T(std::forward<Args>(args)...));
+}
+
 namespace vkTools
 {
 	class Thread
@@ -95,7 +103,7 @@ namespace vkTools
 			threads.clear();
 			for (auto i = 0; i < count; i++)
 			{
-				threads.push_back(std::make_unique<Thread>());
+				threads.push_back(make_unique<Thread>());
 			}
 		}