From 18fbd0d1d30d7094b59ce4edbf79e79cf9a14c5d Mon Sep 17 00:00:00 2001
From: Rafael Ieda <git@ieda.me>
Date: Wed, 22 Oct 2025 12:27:10 -0300
Subject: [PATCH] megaglest: fix build with cmake4

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

diff --git a/pkgs/by-name/me/megaglest/package.nix b/pkgs/by-name/me/megaglest/package.nix
index 18b3923132cd..59ff8c9a7306 100644
--- a/pkgs/by-name/me/megaglest/package.nix
+++ b/pkgs/by-name/me/megaglest/package.nix
@@ -144,6 +144,11 @@ stdenv.mkDerivation {
     "-DBUILD_MEGAGLEST_MODEL_VIEWER=On"
   ];
 
+  postPatch = ''
+    substituteInPlace {data/glest_game,.}/CMakeLists.txt \
+      --replace-fail "CMAKE_MINIMUM_REQUIRED( VERSION 2.8.2 )" "cmake_minimum_required(VERSION 3.10)"
+  '';
+
   postInstall = ''
     for i in $out/bin/*; do
       wrapProgram $i \