From 0dabfc547c5616a09426ef48b6b610e9585777ad Mon Sep 17 00:00:00 2001
From: Rafael Ieda <git@ieda.me>
Date: Wed, 22 Oct 2025 18:26:35 -0300
Subject: [PATCH] mkclean: fix build with cmake4

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

diff --git a/pkgs/by-name/mk/mkclean/package.nix b/pkgs/by-name/mk/mkclean/package.nix
index 13e6da9a0945..cfda95fc3c90 100644
--- a/pkgs/by-name/mk/mkclean/package.nix
+++ b/pkgs/by-name/mk/mkclean/package.nix
@@ -18,6 +18,11 @@ stdenv.mkDerivation (finalAttrs: {
 
   hardeningDisable = [ "format" ];
 
+  postPatch = ''
+    substituteInPlace CMakeLists.txt \
+      --replace-fail "cmake_minimum_required(VERSION 3.1.2)" "cmake_minimum_required(VERSION 3.10)"
+  '';
+
   postInstall = ''
     install -Dm0755 mkclean/mkclean $out/bin/mkclean
   '';