python3.pkgs.qtile: put wayland-scanner in nativeBuildInputs

pkgs/development/python-modules/qtile/default.nix

@@ -2,6 +2,7 @@
   lib,
   buildPythonPackage,
   fetchFromGitHub,
+  fetchpatch,
   cairocffi,
   dbus-fast,
   aiohttp,
@@ -47,12 +48,29 @@ buildPythonPackage rec {
     hash = "sha256-PPyI+IGvHBQusVmU3D26VjYjLaa9+94KUqNwbQSzeaI=";
   };
 
+  patches = [
+    # The patch below makes upstream's build script search for wayland-scanner
+    # simply in $PATH, and not via `pkg-config`. This allows us to put
+    # wayland-scanner in nativeBuildInputs and keep using `strictDeps`. See:
+    #
+    # https://github.com/qtile/qtile/pull/5726
+    #
+    # Upstream has merged the PR directly - without creating a merge commit, so
+    # using a range is required.
+    (fetchpatch {
+      name = "qtile-PR5726-wayland-scanner-pkg-config.patch";
+      url = "https://github.com/qtile/qtile/compare/f0243abee5e6b94ef92b24e99d09037a4f40272b..553845bd17f38a6d1dee763a23c1b015df894794.patch";
+      hash = "sha256-hRArLC4nQMAbT//QhQeAUL1o7OCV0zvrlJztDavI0K0=";
+    })
+  ];
+
   build-system = [
     setuptools
     setuptools-scm
   ];
   nativeBuildInputs = [
     pkg-config
+    wayland-scanner
   ];
 
   env = {
@@ -95,7 +113,6 @@ buildPythonPackage rec {
   ];
 
   propagatedBuildInputs = [
-    wayland-scanner
     wayland-protocols
     cffi
     xcffib