Build Information
Failed to build mlx-swift, reference main (49d73a), with Swift 6.2 for Android on 18 Apr 2026 14:38:54 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:android-6.2-latest swift build --swift-sdk aarch64-unknown-linux-android28 2>&1Build Log
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RunAll
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Builder version: 4.70.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/ml-explore/mlx-swift.git
Reference: main
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
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 49d73ab add missing functions (#387)
Submodule path 'Source/Cmlx/mlx': checked out 'ce45c52505c8158ea48d2a54e8caae05efd86bfe'
Submodule path 'Source/Cmlx/mlx-c': checked out '0726ca922fc902c4c61ef9c27d94132be418e945'
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 @):
49d73abcbe8f49f44c1e61911997e6b680484216
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/ml-explore/mlx-swift.git at main
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Build
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Selected platform: android
Swift version: 6.2
Building package at path: $PWD
https://github.com/ml-explore/mlx-swift.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:android-6.2-latest swift build --swift-sdk aarch64-unknown-linux-android28 2>&1
android-6.2-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:cb98f9856cb1288a0028ff0e63d4de86ca92d5e7890400e3e915f7ea3943ed55
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:android-6.2-latest
Fetching https://github.com/apple/swift-numerics
[1/6416] Fetching swift-numerics
Fetched https://github.com/apple/swift-numerics from cache (0.90s)
Computing version for https://github.com/apple/swift-numerics
Computed https://github.com/apple/swift-numerics at 1.1.1 (1.72s)
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: 'spi-builder-workspace': found 3 file(s) which are unhandled; explicitly declare them as resources or exclude from the target
/host/spi-builder-workspace/Source/Examples/Example1.swift
/host/spi-builder-workspace/Source/Examples/CustomFunctionExample.swift
/host/spi-builder-workspace/Source/Examples/CustomFunctionExampleSimple.swift
warning: 'spi-builder-workspace': found 3 file(s) which are unhandled; explicitly declare them as resources or exclude from the target
/host/spi-builder-workspace/Source/Examples/Tutorial.swift
/host/spi-builder-workspace/Source/Examples/CustomFunctionExample.swift
/host/spi-builder-workspace/Source/Examples/CustomFunctionExampleSimple.swift
warning: 'spi-builder-workspace': found 3 file(s) which are unhandled; explicitly declare them as resources or exclude from the target
/host/spi-builder-workspace/Source/Examples/Example1.swift
/host/spi-builder-workspace/Source/Examples/CustomFunctionExample.swift
/host/spi-builder-workspace/Source/Examples/Tutorial.swift
warning: 'spi-builder-workspace': found 3 file(s) which are unhandled; explicitly declare them as resources or exclude from the target
/host/spi-builder-workspace/Source/Examples/Example1.swift
/host/spi-builder-workspace/Source/Examples/Tutorial.swift
/host/spi-builder-workspace/Source/Examples/CustomFunctionExampleSimple.swift
Building for debugging...
In file included from /host/spi-builder-workspace/Source/Cmlx/mlx/mlx/backend/cpu/conv.cpp:8:
/host/spi-builder-workspace/Source/Cmlx/mlx/mlx/backend/cpu/lapack.h:17:10: fatal error: 'cblas.h' file not found
17 | #include <cblas.h>
| ^~~~~~~~~
1 error generated.
[0/180] Compiling conv.cpp
[0/180] Compiling cuda.cpp
[0/180] Compiling linalg.cpp
[0/180] Compiling fft.cpp
[0/180] Compiling device.cpp
[0/180] Compiling io.cpp
[0/180] Compiling io_types.cpp
[0/180] Compiling compile.cpp
BUILD FAILURE 6.2 android