From f8ddb0304cff948ea8add21ab3f102dbcf65b3fb Mon Sep 17 00:00:00 2001
From: Andrew Zah <zah@andrewzah.com>
Date: Mon, 20 Oct 2025 02:00:08 +0900
Subject: [PATCH] dkh: fix build issue due to cmake 4

---
 pkgs/by-name/dk/dkh/package.nix | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/pkgs/by-name/dk/dkh/package.nix b/pkgs/by-name/dk/dkh/package.nix
index 038d51583f01..4d3a4bdc2c56 100644
--- a/pkgs/by-name/dk/dkh/package.nix
+++ b/pkgs/by-name/dk/dkh/package.nix
@@ -5,7 +5,6 @@
   fetchFromGitHub,
   cmake,
 }:
-
 stdenv.mkDerivation rec {
   pname = "dkh";
   version = "1.2";
@@ -17,6 +16,11 @@ stdenv.mkDerivation rec {
     sha256 = "1wb4qmb9f8rnrwnnw1gdhzx1fmhy628bxfrg56khxy3j5ljxkhck";
   };
 
+  postPatch = ''
+    substituteInPlace CMakeLists.txt \
+    --replace-fail "cmake_minimum_required(VERSION 3.0)"  "cmake_minimum_required(VERSION 3.10)"
+  '';
+
   nativeBuildInputs = [
     gfortran
     cmake