From 21d7acac934c941104252cf9d66f5ca5d72368ed Mon Sep 17 00:00:00 2001
From: Martin Weinelt <hexa@darmstadt.ccc.de>
Date: Tue, 25 Feb 2025 17:04:19 +0100
Subject: [PATCH] oneDNN: fix build on darwin

The oneDNNn package somewhere between 3.5.3 and 3.7.0 started requiring
openmp on darwin.
---
 pkgs/development/libraries/oneDNN/default.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkgs/development/libraries/oneDNN/default.nix b/pkgs/development/libraries/oneDNN/default.nix
index e71c4cbc78e2..e921495d3849 100644
--- a/pkgs/development/libraries/oneDNN/default.nix
+++ b/pkgs/development/libraries/oneDNN/default.nix
@@ -2,6 +2,7 @@
 , fetchFromGitHub
 , lib
 , stdenv
+, llvmPackages
 }:
 
 # This was originally called mkl-dnn, then it was renamed to dnnl, and it has
@@ -22,6 +23,8 @@ stdenv.mkDerivation (finalAttrs: {
 
   nativeBuildInputs = [ cmake ];
 
+  buildInputs = lib.optionals stdenv.hostPlatform.isDarwin [ llvmPackages.openmp ];
+
   # Tests fail on some Hydra builders, because they do not support SSE4.2.
   doCheck = false;