From 2bb3e9f369cb84cc59c93a9cc92e015aa84e5108 Mon Sep 17 00:00:00 2001
From: Daniel Scharrer <daniel@constexpr.org>
Date: Tue, 23 Feb 2016 05:44:46 +0100
Subject: [PATCH] CMake: Build in C++14 mode if supported

---
 cmake/CXX11Check.cmake | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/cmake/CXX11Check.cmake b/cmake/CXX11Check.cmake
index b917757..7547d77 100644
--- a/cmake/CXX11Check.cmake
+++ b/cmake/CXX11Check.cmake
@@ -29,7 +29,10 @@ function(enable_cxx11)
 			set(_HAS_CXX11 1 PARENT_SCOPE)
 		endif()
 	else()
-		add_cxxflag("-std=c++11")
+		add_cxxflag("-std=c++14")
+		if(NOT FLAG_FOUND)
+			add_cxxflag("-std=c++11")
+		endif()
 		set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}" PARENT_SCOPE)
 		if(FLAG_FOUND OR NOT CMAKE_COMPILER_IS_GNUCXX)
 			if(SET_WARNING_FLAGS)