From 8deab44fce596034ab7ccb6a95a38afd8d29b5f7 Mon Sep 17 00:00:00 2001
From: Rafael Ieda <git@ieda.me>
Date: Thu, 23 Oct 2025 21:55:08 -0300
Subject: [PATCH] ringracers: fix build with cmake4

---
 pkgs/by-name/ri/ringracers/package.nix | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pkgs/by-name/ri/ringracers/package.nix b/pkgs/by-name/ri/ringracers/package.nix
index 8cb144d870cc..27d7eebb7e7d 100644
--- a/pkgs/by-name/ri/ringracers/package.nix
+++ b/pkgs/by-name/ri/ringracers/package.nix
@@ -85,6 +85,11 @@ stdenv.mkDerivation (finalAttrs: {
     runHook postInstall
   '';
 
+  postPatch = ''
+    substituteInPlace src/acs/vm/CMakeLists.txt \
+      --replace-fail "cmake_minimum_required(VERSION 2.6)" "cmake_minimum_required(VERSION 3.10)"
+  '';
+
   meta = with lib; {
     description = "Kart racing video game based on Sonic Robo Blast 2 (SRB2), itself based on a modified version of Doom Legacy";
     homepage = "https://kartkrew.org";