From 449e7ce86fff99c888a9ce152679d0af79f596f8 Mon Sep 17 00:00:00 2001
From: Bret Curtis <psi29a@gmail.com>
Date: Wed, 21 Oct 2020 22:07:00 +0200
Subject: [PATCH] C++17; make it count

---
 CMakeLists.txt | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 87551fe01d..82d6694dcc 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,5 +1,7 @@
 project(OpenMW)
 cmake_minimum_required(VERSION 3.1.0)
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
 # for link time optimization, remove if cmake version is >= 3.9
 if(POLICY CMP0069)
@@ -393,9 +395,6 @@ if (NOT WIN32 AND NOT APPLE)
         "${OpenMW_BINARY_DIR}/org.openmw.cs.desktop")
 endif()
 
-# CXX Compiler settings
-set(CMAKE_CXX_STANDARD 17)
-
 if(OPENMW_LTO_BUILD)
     if(NOT CMAKE_VERSION VERSION_LESS 3.9)
         include(CheckIPOSupported)