From 3da680ba201e8390c2269926d4e1de2b9cbadd7b Mon Sep 17 00:00:00 2001
From: Benjamin Esham <benjamin@esham.io>
Date: Fri, 5 Jun 2020 19:40:33 -0700
Subject: [PATCH] mkvtoolnix: fix Darwin build by specifying -std=c++17

---
 pkgs/applications/video/mkvtoolnix/default.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/applications/video/mkvtoolnix/default.nix b/pkgs/applications/video/mkvtoolnix/default.nix
index 7db27888782a..87b4a5418cef 100644
--- a/pkgs/applications/video/mkvtoolnix/default.nix
+++ b/pkgs/applications/video/mkvtoolnix/default.nix
@@ -50,7 +50,7 @@ stdenv.mkDerivation rec {
     (enableFeature withGUI "qt")
   ];
 
-  CXXFLAGS = optional stdenv.cc.isClang "-std=c++14";
+  CXXFLAGS = optional stdenv.cc.isClang "-std=c++17";
 
   dontWrapQtApps = true;
   postFixup = optionalString withGUI ''