From 772502c35843f8e8e7610dc63e1b7384f6f5072c Mon Sep 17 00:00:00 2001
From: Rick van Schijndel <rol3517@gmail.com>
Date: Tue, 23 Nov 2021 19:59:04 +0100
Subject: [PATCH] wlogout: disable gtk-layer-shell when cross-compiling

Because gtk-layer-shell doesn't cross-compile properly
---
 pkgs/tools/wayland/wlogout/default.nix | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/pkgs/tools/wayland/wlogout/default.nix b/pkgs/tools/wayland/wlogout/default.nix
index c7364af5d5f..26d04bd11e0 100644
--- a/pkgs/tools/wayland/wlogout/default.nix
+++ b/pkgs/tools/wayland/wlogout/default.nix
@@ -10,6 +10,11 @@
 , wayland
 , wayland-protocols
 , gtk-layer-shell
+# gtk-layer-shell fails to cross-compile due to a hard dependency
+# on gobject-introspection.
+# Disable it when cross-compiling since it's an optional dependency.
+# This disables transparency support.
+, withGtkLayerShell ? (stdenv.buildPlatform == stdenv.hostPlatform)
 }:
 
 stdenv.mkDerivation rec {
@@ -30,6 +35,7 @@ stdenv.mkDerivation rec {
     libxkbcommon
     wayland
     wayland-protocols
+  ] ++ lib.optionals withGtkLayerShell [
     gtk-layer-shell
   ];