From 125042abedf8b78b3e02546ac10ee7638d14944e Mon Sep 17 00:00:00 2001
From: Martin Weinelt <hexa@darmstadt.ccc.de>
Date: Wed, 8 Oct 2025 12:51:42 +0200
Subject: [PATCH] mdns: fix configure with cmake 4

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

diff --git a/pkgs/by-name/md/mdns/package.nix b/pkgs/by-name/md/mdns/package.nix
index d2d47f574a8c..9bc9505c2366 100644
--- a/pkgs/by-name/md/mdns/package.nix
+++ b/pkgs/by-name/md/mdns/package.nix
@@ -20,6 +20,11 @@ stdenv.mkDerivation rec {
     cmake
   ];
 
+  cmakeFlags = [
+    # Fix configure with cmake4
+    (lib.cmakeFeature "CMAKE_POLICY_VERSION_MINIMUM" "3.10")
+  ];
+
   meta = with lib; {
     description = "Public domain mDNS/DNS-SD library in C";
     homepage = "https://github.com/mjansson/mdns";