Swift Package Index

Build Information

Failed to build mlx-swift, reference 0.10.0 (7838f8), with Swift 6.3 for macOS (SPM) on 29 Jun 2026 08:28:06 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: undefined version: run 'make version' to update
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/DePasqualeOrg/mlx-swift.git
Reference: 0.10.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/DePasqualeOrg/mlx-swift
 * tag               0.10.0     -> FETCH_HEAD
HEAD is now at 7838f8c adopt latest mlx-c and mlx v0.3.0 (#6)
Submodule path 'Source/Cmlx/mlx': checked out 'bf7cd29970b603ed3e177cb2f4f6dc246a653555'
Submodule path 'Source/Cmlx/mlx-c': checked out '096e4196354f0e72331140f6049c1c1d15719cbe'
Submodule 'submodules/mlx' (https://github.com/ml-explore/mlx) registered for path 'Source/Cmlx/mlx'
Submodule 'submodules/mlx-c' (https://github.com/ml-explore/mlx-c) registered for path 'Source/Cmlx/mlx-c'
Cloning into '/Users/admin/builder/spi-builder-workspace/Source/Cmlx/mlx'...
Cloning into '/Users/admin/builder/spi-builder-workspace/Source/Cmlx/mlx-c'...
From https://github.com/ml-explore/mlx-c
 * branch            096e4196354f0e72331140f6049c1c1d15719cbe -> FETCH_HEAD
Cloned https://github.com/DePasqualeOrg/mlx-swift.git
Revision (git rev-parse @):
7838f8cd93499f3d9e9a35b87cb74fe2664b325f
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/DePasqualeOrg/mlx-swift.git at 0.10.0
Fetching https://github.com/apple/swift-numerics
[1/6429] Fetching swift-numerics
Fetched https://github.com/apple/swift-numerics from cache (1.03s)
Computing version for https://github.com/apple/swift-numerics
Computed https://github.com/apple/swift-numerics at 1.0.2 (4.24s)
Creating working copy for https://github.com/apple/swift-numerics
Working copy of https://github.com/apple/swift-numerics resolved at 1.0.2
========================================
ResolveProductDependencies
========================================
Resolving dependencies ...
{
  "identity": ".resolve-product-dependencies",
  "name": "resolve-dependencies",
  "url": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "version": "unspecified",
  "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "traits": [
    "default"
  ],
  "dependencies": [
    {
      "identity": "mlx-swift",
      "name": "mlx-swift",
      "url": "https://github.com/DePasqualeOrg/mlx-swift.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/mlx-swift",
      "traits": [
        "default"
      ],
      "dependencies": [
        {
          "identity": "swift-numerics",
          "name": "swift-numerics",
          "url": "https://github.com/apple/swift-numerics",
          "version": "1.1.1",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-numerics",
          "traits": [
            "default"
          ],
          "dependencies": [
          ]
        }
      ]
    }
  ]
}
Fetching https://github.com/DePasqualeOrg/mlx-swift.git
[1/10922] Fetching mlx-swift
Fetched https://github.com/DePasqualeOrg/mlx-swift.git from cache (1.45s)
Fetching https://github.com/apple/swift-numerics from cache
Fetched https://github.com/apple/swift-numerics from cache (0.55s)
Computing version for https://github.com/apple/swift-numerics
Computed https://github.com/apple/swift-numerics at 1.1.1 (1.13s)
Creating working copy for https://github.com/DePasqualeOrg/mlx-swift.git
Working copy of https://github.com/DePasqualeOrg/mlx-swift.git resolved at 0.10.0 (7838f8c)
Creating working copy for https://github.com/apple/swift-numerics
Working copy of https://github.com/apple/swift-numerics resolved at 1.1.1
warning: '.resolve-product-dependencies': dependency 'mlx-swift' is not used by any target
Found 1 product dependencies
  - swift-numerics
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.3
Building package at path:  $PWD
https://github.com/DePasqualeOrg/mlx-swift.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64
error: build planning stopped due to build-tool plugin failures
BUILD FAILURE 6.3 macosSpm