From 22c050c199fe69e215f81790da2dcb6482163268 Mon Sep 17 00:00:00 2001
From: Janis Gertulla <coffeeimpliescode@proton.me>
Date: Thu, 1 Oct 2026 15:16:13 +0200
Subject: [PATCH] intel-compute-runtime-legacy1: fix GCC 16 build

GCC 16 fails to build the runtime for Gen8/Gen9/Gen11 Intel GPUs,
blocking NixOS rebuilds that include it. Backport Intel's missing
include fix for -Werror=sfinae-incomplete=.
---
 pkgs/by-name/in/intel-compute-runtime-legacy1/package.nix | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/pkgs/by-name/in/intel-compute-runtime-legacy1/package.nix b/pkgs/by-name/in/intel-compute-runtime-legacy1/package.nix
index b91c58a244d3..f6a087f79084 100644
--- a/pkgs/by-name/in/intel-compute-runtime-legacy1/package.nix
+++ b/pkgs/by-name/in/intel-compute-runtime-legacy1/package.nix
@@ -3,6 +3,7 @@
   callPackage,
   stdenv,
   fetchFromGitHub,
+  fetchpatch,
   cmake,
   pkg-config,
   intel-gmmlib,
@@ -43,6 +44,11 @@ stdenv.mkDerivation (finalAttrs: {
   patches = [
     # https://github.com/intel/compute-runtime/pull/879
     ./add-cstdint-include-gcc15.patch
+    # https://github.com/intel/compute-runtime/commit/c1eb6c1a183c2f69e0d6e9ed5aa042fac2201217
+    (fetchpatch {
+      url = "https://github.com/intel/compute-runtime/commit/c1eb6c1a183c2f69e0d6e9ed5aa042fac2201217.patch";
+      hash = "sha256-O8ZJaxIr4TF73T+fyEbNjEYFbgwLxIUWoYnorxh8ZTo=";
+    })
   ];
 
   cmakeFlags = [