From 739d7af5d2526013313df9c5adb3bd6c849bcae2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Cl=C3=A9ment?= <git@drawbu.dev>
Date: Thu, 16 Oct 2025 12:15:14 -0700
Subject: [PATCH] dabtools: fix build failure with cmake 4

- CMake 4 is no longer retro compatible with versions < 3.5
---
 pkgs/by-name/da/dabtools/package.nix | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/pkgs/by-name/da/dabtools/package.nix b/pkgs/by-name/da/dabtools/package.nix
index 176909ca5431..ce554e4b7300 100644
--- a/pkgs/by-name/da/dabtools/package.nix
+++ b/pkgs/by-name/da/dabtools/package.nix
@@ -30,6 +30,13 @@ stdenv.mkDerivation {
     libusb1
   ];
 
+  #  CMake 4 is no longer retro compatible with versions < 3.5
+  postPatch = ''
+    substituteInPlace CMakeLists.txt src/CMakeLists.txt --replace-fail \
+      "cmake_minimum_required(VERSION 2.8)" \
+      "cmake_minimum_required(VERSION 3.5)"
+  '';
+
   meta = with lib; {
     description = "Commandline tools for DAB and DAB+ digital radio broadcasts";
     homepage = "https://github.com/Opendigitalradio/dabtools";