From 6daea0bd870be50f4f081bea48e853a2be3ad8f8 Mon Sep 17 00:00:00 2001
From: Rafael Ieda <git@ieda.me>
Date: Thu, 23 Oct 2025 18:44:15 -0300
Subject: [PATCH] openlierox: fix build with cmake4

---
 pkgs/by-name/op/openlierox/package.nix | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/pkgs/by-name/op/openlierox/package.nix b/pkgs/by-name/op/openlierox/package.nix
index f1fa65c403de..471d8986e18a 100644
--- a/pkgs/by-name/op/openlierox/package.nix
+++ b/pkgs/by-name/op/openlierox/package.nix
@@ -31,6 +31,15 @@ stdenv.mkDerivation (finalAttrs: {
     sed 1i'#include <libxml/parser.h>' -i include/XMLutils.h
     substituteInPlace src/common/StringUtils.cpp \
         --replace-fail "xmlErrorPtr" "const xmlError*"
+
+    substituteInPlace CMakeLists.txt \
+      --replace-fail "cmake_minimum_required(VERSION 2.4)" "cmake_minimum_required(VERSION 3.10)"
+    substituteInPlace CMakeOlxCommon.cmake \
+      --replace-fail "cmake_minimum_required(VERSION 2.4)" "cmake_minimum_required(VERSION 3.10)" \
+      --replace-fail "cmake_policy(VERSION 2.4)" "cmake_policy(VERSION 3.10)" \
+      --replace-fail "cmake_policy(SET CMP0005 OLD)" "" \
+      --replace-fail "cmake_policy(SET CMP0003 OLD)" "" \
+      --replace-fail "cmake_policy(SET CMP0011 OLD)" ""
   '';
 
   strictDeps = true;