From a906676c8971fe4e5eb893937e8cba80cfe2cc12 Mon Sep 17 00:00:00 2001
From: Kornel Benko <kornel@lyx.org>
Date: Wed, 21 Oct 2020 18:27:23 +0200
Subject: [PATCH] cmake build: Allow use of '--std=c++17' for gnu compiler

---
 development/cmake/modules/FindCXX11Compiler.cmake | 1 +
 1 file changed, 1 insertion(+)

diff --git a/development/cmake/modules/FindCXX11Compiler.cmake b/development/cmake/modules/FindCXX11Compiler.cmake
index 9188ab6f5b..96b72eb33f 100644
--- a/development/cmake/modules/FindCXX11Compiler.cmake
+++ b/development/cmake/modules/FindCXX11Compiler.cmake
@@ -54,6 +54,7 @@ else()
       endif()
     else()
       set(CXX11_FLAG_CANDIDATES
+        "--std=c++17"
         "--std=c++14"
         "--std=c++11"
         "--std=gnu++11"