From 088dce914530e9f8df086805eb5a935ad2aac811 Mon Sep 17 00:00:00 2001
From: Randy Eckenrode <randy@largeandhighquality.com>
Date: Sun, 29 Sep 2024 19:11:11 -0400
Subject: [PATCH] python3Packages.materialx: enable MSL support on
 x86_64-darwin

---
 .../python-modules/materialx/default.nix        | 17 +++++++----------
 1 file changed, 7 insertions(+), 10 deletions(-)

diff --git a/pkgs/development/python-modules/materialx/default.nix b/pkgs/development/python-modules/materialx/default.nix
index 0ebcc212617b..2e7af7b89b1f 100644
--- a/pkgs/development/python-modules/materialx/default.nix
+++ b/pkgs/development/python-modules/materialx/default.nix
@@ -5,13 +5,14 @@
   fetchFromGitHub,
   cmake,
   setuptools,
-  darwin,
   libX11,
   libXt,
   libGL,
   openimageio,
   imath,
   python,
+  darwinMinVersionHook,
+  apple-sdk_14,
 }:
 
 buildPythonPackage rec {
@@ -37,13 +38,10 @@ buildPythonPackage rec {
       openimageio
       imath
     ]
-    ++ lib.optionals stdenv.hostPlatform.isDarwin (
-      with darwin.apple_sdk.frameworks;
-      [
-        OpenGL
-        Cocoa
-      ]
-    )
+    ++ lib.optionals stdenv.hostPlatform.isDarwin [
+      apple-sdk_14
+      (darwinMinVersionHook "10.15")
+    ]
     ++ lib.optionals (!stdenv.hostPlatform.isDarwin) [
       libX11
       libXt
@@ -53,9 +51,8 @@ buildPythonPackage rec {
   cmakeFlags = [
     (lib.cmakeBool "MATERIALX_BUILD_OIIO" true)
     (lib.cmakeBool "MATERIALX_BUILD_PYTHON" true)
-    # don't build MSL shader back-end on x86_x64-darwin, as it requires a newer SDK with metal support
     (lib.cmakeBool "MATERIALX_BUILD_GEN_MSL" (
-      stdenv.hostPlatform.isLinux || (stdenv.hostPlatform.isAarch64 && stdenv.hostPlatform.isDarwin)
+      stdenv.hostPlatform.isLinux || stdenv.hostPlatform.isDarwin
     ))
   ];