From a67172ebf667d248c85397835e1e5f9b47d6c4c1 Mon Sep 17 00:00:00 2001
From: Matthew Leach <dev@mattleach.net>
Date: Tue, 15 Feb 2022 12:12:38 +0000
Subject: [PATCH] volk: fix build for apple silicon

---
 pkgs/development/libraries/volk/default.nix | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/pkgs/development/libraries/volk/default.nix b/pkgs/development/libraries/volk/default.nix
index 40ae88bf71bb..bbc4189fff84 100644
--- a/pkgs/development/libraries/volk/default.nix
+++ b/pkgs/development/libraries/volk/default.nix
@@ -5,6 +5,7 @@
 , python3
 , enableModTool ? true
 , removeReferencesTo
+, fetchpatch
 }:
 
 stdenv.mkDerivation rec {
@@ -19,6 +20,14 @@ stdenv.mkDerivation rec {
     fetchSubmodules = true;
   };
 
+  patches = [
+    (fetchpatch {
+      url = "https://raw.githubusercontent.com/macports/macports-ports/e83a55ef196d4283be438c052295b2fc44f3df5b/science/volk/files/patch-cpu_features-add-support-for-ARM64.diff";
+      sha256 = "sha256-MNUntVvKZC4zuQsxGQCItaUaaQ1d31re2qjyPFbySmI=";
+      extraPrefix = "";
+    })
+  ];
+
   cmakeFlags = lib.optionals (!enableModTool) [ "-DENABLE_MODTOOL=OFF" ];
   postInstall = lib.optionalString (!stdenv.isDarwin) ''
     ${removeReferencesTo}/bin/remove-references-to -t ${stdenv.cc} $(readlink -f $out/lib/libvolk.so)