From 23b1625664efc29e3ad89ffd645b2140b1888ba1 Mon Sep 17 00:00:00 2001
From: Weijia Wang <9713184+wegank@users.noreply.github.com>
Date: Wed, 7 Jun 2023 12:15:16 +0300
Subject: [PATCH] embree: unbreak on aarch64-linux

---
 pkgs/development/libraries/embree/default.nix | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/pkgs/development/libraries/embree/default.nix b/pkgs/development/libraries/embree/default.nix
index 552859cd4a5..419572f3ff1 100644
--- a/pkgs/development/libraries/embree/default.nix
+++ b/pkgs/development/libraries/embree/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, fetchFromGitHub, cmake, pkg-config, ispc, tbb, glfw,
+{ stdenv, lib, fetchFromGitHub, fetchpatch, cmake, pkg-config, ispc, tbb, glfw,
   openimageio, libjpeg, libpng, libpthreadstubs, libX11, glib }:
 
 stdenv.mkDerivation rec {
@@ -12,6 +12,14 @@ stdenv.mkDerivation rec {
     sha256 = "sha256-tfM4SGOFVBG0pQK9B/iN2xDaW3yjefnTtsoUad75m80=";
   };
 
+  patches = [
+    (fetchpatch {
+      name = "fixed-compilation-issues-for-arm-aarch64-processor-under-linux.patch";
+      url = "https://github.com/embree/embree/commit/82ca6b5ccb7abe0403a658a0e079926478f04cb1.patch";
+      hash = "sha256-l9S4PBk+yQUypQ22l05daD0ruouZKE4VHkGvzKxkH4o=";
+    })
+  ];
+
   postPatch = ''
     # Fix duplicate /nix/store/.../nix/store/.../ paths
     sed -i "s|SET(EMBREE_ROOT_DIR .*)|set(EMBREE_ROOT_DIR $out)|" \
@@ -28,7 +36,6 @@ stdenv.mkDerivation rec {
     "-DTBB_INCLUDE_DIR=${tbb.dev}/include"
   ];
 
-
   nativeBuildInputs = [ ispc pkg-config cmake ];
   buildInputs = [ tbb glfw openimageio libjpeg libpng libX11 libpthreadstubs ]
                 ++ lib.optionals stdenv.isDarwin [ glib ];
@@ -39,6 +46,5 @@ stdenv.mkDerivation rec {
     maintainers = with maintainers; [ hodapp gebner ];
     license = licenses.asl20;
     platforms = platforms.unix;
-    badPlatforms = [ "aarch64-linux" ];
   };
 }