Swift Package Index

Build Information

Failed to build mlx-swift, reference 0.25.6 (96c0f6), with Swift 6.0 for Linux on 15 Jul 2025 05:47:09 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.64.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/ml-explore/mlx-swift.git
Reference: 0.25.6
Initialized empty Git repository in /host/spi-builder-workspace/.git/
hint: Using 'master' as the name for the initial branch. This default branch name
hint: is subject to change. To configure the initial branch name to use in all
hint: of your new repositories, which will suppress this warning, call:
hint:
hint: 	git config --global init.defaultBranch <name>
hint:
hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
hint: 'development'. The just-created branch can be renamed via this command:
hint:
hint: 	git branch -m <name>
From https://github.com/ml-explore/mlx-swift
 * tag               0.25.6     -> FETCH_HEAD
HEAD is now at 96c0f69 add path information for parameter update errors -- great help in debugging (#252)
Submodule path 'Source/Cmlx/mlx': checked out 'eaf709b83e559079e212699bfc9dd2f939d25c9a'
Submodule path 'Source/Cmlx/mlx-c': checked out '9ebe155864eab06d94ba18e01f9cb2666b2975a7'
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 '/host/spi-builder-workspace/Source/Cmlx/mlx'...
Cloning into '/host/spi-builder-workspace/Source/Cmlx/mlx-c'...
Cloned https://github.com/ml-explore/mlx-swift.git
Revision (git rev-parse @):
96c0f69cf15f38abd6248bb71fca908171dab1d8
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/ml-explore/mlx-swift.git at 0.25.6
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.0
Building package at path:  $PWD
https://github.com/ml-explore/mlx-swift.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-6.0-latest: Pulling from finestructure/spi-images
Digest: sha256:f0ebbd71bee66c692411a61ab9a7ee6edc82316b7a7b4c6173cc06c00f20ed39
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.0-latest
Fetching https://github.com/apple/swift-numerics
[1/5757] Fetching swift-numerics
Fetched https://github.com/apple/swift-numerics from cache (0.44s)
Computing version for https://github.com/apple/swift-numerics
Computed https://github.com/apple/swift-numerics at 1.0.3 (2.27s)
Creating working copy for https://github.com/apple/swift-numerics
Working copy of https://github.com/apple/swift-numerics resolved at 1.0.3
warning: 'spi-builder-workspace': found 1 file(s) which are unhandled; explicitly declare them as resources or exclude from the target
    /host/spi-builder-workspace/Source/Examples/Example1.swift
warning: 'spi-builder-workspace': found 1 file(s) which are unhandled; explicitly declare them as resources or exclude from the target
    /host/spi-builder-workspace/Source/Examples/Tutorial.swift
Building for debugging...
In file included from /host/spi-builder-workspace/Source/Cmlx/mlx/mlx/backend/metal/allocator.cpp:2:
In file included from /host/spi-builder-workspace/Source/Cmlx/mlx/mlx/backend/metal/allocator.h:10:
In file included from /host/spi-builder-workspace/Source/Cmlx/mlx/mlx/backend/metal/device.h:5:
In file included from /host/spi-builder-workspace/Source/Cmlx/metal-cpp/Metal/Metal.hpp:25:
In file included from /host/spi-builder-workspace/Source/Cmlx/metal-cpp/Metal/MTLAccelerationStructure.hpp:24:
In file included from /host/spi-builder-workspace/Source/Cmlx/metal-cpp/Metal/MTLHeaderBridge.hpp:22:
/host/spi-builder-workspace/Source/Cmlx/metal-cpp/Metal/MTLPrivate.hpp:27:10: fatal error: 'objc/runtime.h' file not found
   27 | #include <objc/runtime.h>
      |          ^~~~~~~~~~~~~~~~
1 error generated.
[0/177] Compiling allocator.cpp
[0/177] Compiling version.cpp
[0/177] Compiling fast.cpp
[0/177] Compiling device.cpp
[0/177] Compiling fft.cpp
[0/177] Compiling compile.cpp
[0/177] Compiling io.cpp
[0/177] Compiling io_types.cpp
BUILD FAILURE 6.0 linux