From fcc1774c7f5d19d4f4b19219d54251b72f968766 Mon Sep 17 00:00:00 2001
From: hacker1024 <hacker1024@users.sourceforge.net>
Date: Tue, 12 Sep 2023 16:12:56 +1000
Subject: [PATCH] gazebo: Disable Wayland

---
 pkgs/gazebo/default.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkgs/gazebo/default.nix b/pkgs/gazebo/default.nix
index cf6078948a..9db3376a3d 100644
--- a/pkgs/gazebo/default.nix
+++ b/pkgs/gazebo/default.nix
@@ -86,6 +86,10 @@ mkDerivation rec {
     # Let the gazebo binary see neighboring binaries.
     # It attempts to run gzclient from PATH.
     "--prefix PATH : ${placeholder "out"}/bin"
+
+    # Prevent Gazebo from attempting to use Wayland.
+    # As is the case with RViz2, OGRE does not yet support it.
+    "--set WAYLAND_DISPLAY dummy" # "dummy" is arbitrary - it just doesn't exist.
   ];
 
   meta = {