From d742718dd4487e33c2ba8114b37bdf1cd43a3576 Mon Sep 17 00:00:00 2001
From: aleksana <me@aleksana.moe>
Date: Sat, 27 Dec 2025 22:55:55 +0800
Subject: [PATCH] openttd: fix build with gcc 15

---
 pkgs/games/openttd/default.nix | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/pkgs/games/openttd/default.nix b/pkgs/games/openttd/default.nix
index e260175e7af8..f690f2a09ceb 100644
--- a/pkgs/games/openttd/default.nix
+++ b/pkgs/games/openttd/default.nix
@@ -82,6 +82,12 @@ stdenv.mkDerivation (finalAttrs: {
       url = "https://github.com/OpenTTD/OpenTTD/commit/14fac2ad37bfb9cec56b4f9169d864f6f1c7b96e.patch";
       hash = "sha256-L35ybnTKPO+HVP/7ZYzWM2mA+s1RAywhofSuzpy/6sc=";
     })
+
+    (fetchpatch {
+      name = "fix-GCC-15-due-to-missing-CRTP-usage.patch";
+      url = "https://github.com/OpenTTD/OpenTTD/commit/db36e61807955c896267d6585de0577efd30465d.patch";
+      hash = "sha256-wJqboBuB+gcn1UPoTlym9IaL7tXtdKEp/E474vG5rYk=";
+    })
   ];
 
   nativeBuildInputs = [