From a4e357cec93dcba435c8812863dfe73c1ef3fc35 Mon Sep 17 00:00:00 2001
From: annalee <168274788+annaleeleaves@users.noreply.github.com>
Date: Tue, 7 May 2024 06:41:37 +0000
Subject: [PATCH] gnuchess: unbreak clang build with -std=c++14

register keyword is removed in c++17
---
 pkgs/games/gnuchess/default.nix | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pkgs/games/gnuchess/default.nix b/pkgs/games/gnuchess/default.nix
index 3acf6a8aa62d..7e1bdd1d48ce 100644
--- a/pkgs/games/gnuchess/default.nix
+++ b/pkgs/games/gnuchess/default.nix
@@ -14,6 +14,11 @@ stdenv.mkDerivation rec {
   ];
   nativeBuildInputs = [ makeWrapper ];
 
+  configureFlags = [
+    # register keyword is removed in c++17 so stick to c++14
+    "CXXFLAGS=-std=c++14"
+  ];
+
   postInstall = ''
     wrapProgram $out/bin/gnuchessx --set PATH "$out/bin"
     wrapProgram $out/bin/gnuchessu --set PATH "$out/bin"