From b606ed6a9b07d4b2cccf6858f2411969120dc7cb Mon Sep 17 00:00:00 2001
From: Ian Douglas Scott <idscott@system76.com>
Date: Mon, 24 Jan 2022 12:31:45 -0800
Subject: [PATCH] Fix building with `layer-shell` feature

---
 Cargo.toml | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Cargo.toml b/Cargo.toml
index f5e6210e..1900f54a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -5,6 +5,7 @@ edition = "2021"
 
 [dependencies]
 cascade = "1.0.0"
+derivative = { version = "2", optional = true }
 gtk4 = { version = "0.4.4", features = ["v4_4"] }
 gdk4 = "0.4.4"
 gdk4-wayland = { version = "0.4.2", features = [ "wayland_crate" ], optional = true }
@@ -17,4 +18,4 @@ x11 = { version = "2.19.1", features = ["xlib"] }
 once_cell = "1.9.0"
 
 [features]
-layer-shell = ["gdk4-wayland", "wayland-client", "wayland-protocols"]
+layer-shell = ["derivative", "gdk4-wayland", "wayland-client", "wayland-protocols"]