From 5fde4f557fb67e59bcaad68c1a6a5a4ae396c945 Mon Sep 17 00:00:00 2001
From: Michi <abramjannikmichael06@gmail.com>
Date: Wed, 8 Oct 2025 14:21:05 +0200
Subject: [PATCH] birdtray: fix cmake 4 compatibility

---
 pkgs/applications/misc/birdtray/default.nix | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/pkgs/applications/misc/birdtray/default.nix b/pkgs/applications/misc/birdtray/default.nix
index ee2d5bc033ef..ce8673ed6c09 100644
--- a/pkgs/applications/misc/birdtray/default.nix
+++ b/pkgs/applications/misc/birdtray/default.nix
@@ -31,6 +31,12 @@ mkDerivation rec {
     qtx11extras
   ];
 
+  cmakeFlags = [
+    # CMake 4 dropped support of versions lower than 3.5,
+    # versions lower than 3.10 are deprecated.
+    (lib.cmakeFeature "CMAKE_POLICY_VERSION_MINIMUM" "3.10")
+  ];
+
   # Wayland support is broken.
   # https://github.com/gyunaev/birdtray/issues/113#issuecomment-621742315
   qtWrapperArgs = [ "--set QT_QPA_PLATFORM xcb" ];