From ebfd3618b0e64721cccd992d9859908cc75fcf74 Mon Sep 17 00:00:00 2001
From: David Koski <46639364+davidkoski@users.noreply.github.com>
Date: Sun, 4 Feb 2024 12:29:17 -0800
Subject: [PATCH] fixes for building and running on iOS (#619)

* fixes for building and running on iOS

* per suggestion just use Accelerate
---
 mlx/backend/common/conv.cpp               | 2 +-
 mlx/backend/common/default_primitives.cpp | 2 +-
 mlx/backend/common/qrf.cpp                | 2 +-
 mlx/backend/metal/device.cpp              | 3 ++-
 4 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/mlx/backend/common/conv.cpp b/mlx/backend/common/conv.cpp
index bd8fe23ca..3f4f09d0c 100644
--- a/mlx/backend/common/conv.cpp
+++ b/mlx/backend/common/conv.cpp
@@ -3,7 +3,7 @@
 #include <cassert>
 
 #ifdef ACCELERATE_NEW_LAPACK
-#include <vecLib/cblas_new.h>
+#include <Accelerate/Accelerate.h>
 #else
 #include <cblas.h>
 #endif
diff --git a/mlx/backend/common/default_primitives.cpp b/mlx/backend/common/default_primitives.cpp
index bcb8bd7b4..d9023fe9b 100644
--- a/mlx/backend/common/default_primitives.cpp
+++ b/mlx/backend/common/default_primitives.cpp
@@ -1,7 +1,7 @@
 // Copyright © 2023-2024 Apple Inc.
 
 #ifdef ACCELERATE_NEW_LAPACK
-#include <vecLib/cblas_new.h>
+#include <Accelerate/Accelerate.h>
 #else
 #include <cblas.h>
 #endif
diff --git a/mlx/backend/common/qrf.cpp b/mlx/backend/common/qrf.cpp
index 41561cbad..4171398fd 100644
--- a/mlx/backend/common/qrf.cpp
+++ b/mlx/backend/common/qrf.cpp
@@ -5,7 +5,7 @@
 #include "mlx/primitives.h"
 
 #ifdef ACCELERATE_NEW_LAPACK
-#include <vecLib/lapack.h>
+#include <Accelerate/Accelerate.h>
 #else
 #include <lapack.h>
 #endif
diff --git a/mlx/backend/metal/device.cpp b/mlx/backend/metal/device.cpp
index 999c67084..7c61e68ae 100644
--- a/mlx/backend/metal/device.cpp
+++ b/mlx/backend/metal/device.cpp
@@ -26,7 +26,8 @@ static constexpr const char* default_mtllib_path = METAL_PATH;
 
 auto load_device() {
   auto devices = MTL::CopyAllDevices();
-  auto device = static_cast<MTL::Device*>(devices->object(0));
+  auto device = static_cast<MTL::Device*>(devices->object(0))
+      ?: MTL::CreateSystemDefaultDevice();
   if (!device) {
     throw std::runtime_error("Failed to load device");
   }