Swift Package IndexBuild Information
Failed to build mlx-libraries, reference main (378f24), with Swift 6.4 for Linux on 23 Sep 2026 05:11:33 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-53886770-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:basic-6.4-latest swift build --triple x86_64-unknown-linux-gnu 2>&1Build Log
========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/ml-explore/mlx-swift-examples.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-examples
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 378f244 MLXChatExample: fix VLM image handling on iOS (PhotosPicker, EXIF, empty assistant trim) (#472)
Cloned https://github.com/ml-explore/mlx-swift-examples.git
Revision (git rev-parse @):
378f2449c257788c5067b9f8b086731d76b39b33
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/ml-explore/mlx-swift-examples.git at main
========================================
Build
========================================
Selected platform: linux
Swift version: 6.4
Building package at path: $PWD
https://github.com/ml-explore/mlx-swift-examples.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886770-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:basic-6.4-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-6.4-latest: Pulling from saguaro1/spi-images
Digest: sha256:c77fcce225e223ac0fafed844619173fc6de8d62dd560eeb28db3182af6a282b
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:basic-6.4-latest
Fetching https://github.com/1024jp/GzipSwift
Fetching https://github.com/ml-explore/mlx-swift
Fetching https://github.com/huggingface/swift-transformers
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Fetched https://github.com/huggingface/swift-transformers (0.70s)
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Fetched https://github.com/1024jp/GzipSwift (1.28s)
Fetched https://github.com/ml-explore/mlx-swift (1.28s)
Computing version for https://github.com/1024jp/GzipSwift
Computed https://github.com/1024jp/GzipSwift at 6.0.1 (2.34s)
Computing version for https://github.com/ml-explore/mlx-swift
Computed https://github.com/ml-explore/mlx-swift at 0.31.6 (0.27s)
Fetching https://github.com/apple/swift-numerics
Fetching https://github.com/apple/swift-argument-parser
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Fetched https://github.com/apple/swift-numerics (0.74s)
Fetched https://github.com/apple/swift-argument-parser (0.74s)
Computing version for https://github.com/huggingface/swift-transformers
Computed https://github.com/huggingface/swift-transformers at 1.3.4 (0.97s)
Fetching https://github.com/apple/swift-crypto.git
Fetching https://github.com/huggingface/swift-huggingface.git
Fetching https://github.com/ibireme/yyjson.git
Fetching https://github.com/apple/swift-collections.git
Fetching https://github.com/huggingface/swift-jinja.git
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Fetched https://github.com/huggingface/swift-jinja.git (1.32s)
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Fetched https://github.com/ibireme/yyjson.git (1.33s)
Fetched https://github.com/apple/swift-collections.git (1.33s)
Fetched https://github.com/apple/swift-crypto.git (1.34s)
Computing version for https://github.com/ibireme/yyjson.git
Computed https://github.com/ibireme/yyjson.git at 0.12.0 (1.53s)
Computing version for https://github.com/huggingface/swift-jinja.git
Computed https://github.com/huggingface/swift-jinja.git at 2.5.1 (0.15s)
Computing version for https://github.com/huggingface/swift-huggingface.git
Computed https://github.com/huggingface/swift-huggingface.git at 0.11.0 (0.18s)
Fetching https://github.com/mattt/EventSource.git
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Fetched https://github.com/mattt/EventSource.git (0.50s)
Computing version for https://github.com/apple/swift-numerics
Computed https://github.com/apple/swift-numerics at 1.1.1 (0.66s)
Computing version for https://github.com/mattt/EventSource.git
Computed https://github.com/mattt/EventSource.git at 1.5.1 (0.16s)
Computing version for https://github.com/apple/swift-collections.git
Computed https://github.com/apple/swift-collections.git at 1.7.0 (0.29s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 1.8.2 (0.18s)
Computing version for https://github.com/apple/swift-crypto.git
Computed https://github.com/apple/swift-crypto.git at 4.5.2 (1.14s)
Fetching https://github.com/apple/swift-asn1.git
[1/1983] Fetching swift-asn1
Fetched https://github.com/apple/swift-asn1.git (0.53s)
Computing version for https://github.com/apple/swift-asn1.git
Computed https://github.com/apple/swift-asn1.git at 1.7.3 (0.75s)
Creating working copy for https://github.com/apple/swift-asn1.git
Working copy of https://github.com/apple/swift-asn1.git resolved at 1.7.3
Creating working copy for https://github.com/apple/swift-argument-parser
Working copy of https://github.com/apple/swift-argument-parser resolved at 1.8.2
Creating working copy for https://github.com/mattt/EventSource.git
Working copy of https://github.com/mattt/EventSource.git resolved at 1.5.1
Creating working copy for https://github.com/huggingface/swift-huggingface.git
Working copy of https://github.com/huggingface/swift-huggingface.git resolved at 0.11.0
Creating working copy for https://github.com/huggingface/swift-transformers
Working copy of https://github.com/huggingface/swift-transformers resolved at 1.3.4
Creating working copy for https://github.com/apple/swift-crypto.git
Working copy of https://github.com/apple/swift-crypto.git resolved at 4.5.2
Creating working copy for https://github.com/ibireme/yyjson.git
Working copy of https://github.com/ibireme/yyjson.git resolved at 0.12.0
Creating working copy for https://github.com/apple/swift-collections.git
Working copy of https://github.com/apple/swift-collections.git resolved at 1.7.0
Creating working copy for https://github.com/huggingface/swift-jinja.git
Working copy of https://github.com/huggingface/swift-jinja.git resolved at 2.5.1
Creating working copy for https://github.com/apple/swift-numerics
Working copy of https://github.com/apple/swift-numerics resolved at 1.1.1
Creating working copy for https://github.com/1024jp/GzipSwift
Working copy of https://github.com/1024jp/GzipSwift resolved at 6.0.1
Creating working copy for https://github.com/ml-explore/mlx-swift
Working copy of https://github.com/ml-explore/mlx-swift resolved at 0.31.6
Building for debugging...
[Computing dependencies]
[Constructing description]
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[Planning 1125 / 1160]
[Planning deferred tasks]
[Constructing 580 / 3179]
[Starting]
warning: no rule to process file '/host/spi-builder-workspace/.build/checkouts/mlx-swift/Source/Cmlx/mlx-generated/metal/arg_reduce.metal' of type 'sourcecode.metal' for architecture 'x86_64'
warning: no rule to process file '/host/spi-builder-workspace/.build/checkouts/mlx-swift/Source/Cmlx/mlx-generated/metal/conv.metal' of type 'sourcecode.metal' for architecture 'x86_64'
warning: no rule to process file '/host/spi-builder-workspace/.build/checkouts/mlx-swift/Source/Cmlx/mlx-generated/metal/gemv.metal' of type 'sourcecode.metal' for architecture 'x86_64'
warning: no rule to process file '/host/spi-builder-workspace/.build/checkouts/mlx-swift/Source/Cmlx/mlx-generated/metal/layer_norm.metal' of type 'sourcecode.metal' for architecture 'x86_64'
warning: no rule to process file '/host/spi-builder-workspace/.build/checkouts/mlx-swift/Source/Cmlx/mlx-generated/metal/random.metal' of type 'sourcecode.metal' for architecture 'x86_64'
warning: no rule to process file '/host/spi-builder-workspace/.build/checkouts/mlx-swift/Source/Cmlx/mlx-generated/metal/rms_norm.metal' of type 'sourcecode.metal' for architecture 'x86_64'
warning: no rule to process file '/host/spi-builder-workspace/.build/checkouts/mlx-swift/Source/Cmlx/mlx-generated/metal/rope.metal' of type 'sourcecode.metal' for architecture 'x86_64'
warning: no rule to process file '/host/spi-builder-workspace/.build/checkouts/mlx-swift/Source/Cmlx/mlx-generated/metal/scaled_dot_product_attention.metal' of type 'sourcecode.metal' for architecture 'x86_64'
warning: no rule to process file '/host/spi-builder-workspace/.build/checkouts/mlx-swift/Source/Cmlx/mlx-generated/metal/steel/attn/kernels/steel_attention.metal' of type 'sourcecode.metal' for architecture 'x86_64'
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In file included from /host/spi-builder-workspace/.build/checkouts/mlx-swift/Source/Cmlx/mlx/mlx/backend/cuda/worker.cpp:3:
In file included from /host/spi-builder-workspace/.build/checkouts/mlx-swift/Source/Cmlx/mlx/mlx/backend/cuda/worker.h:5:
In file included from /host/spi-builder-workspace/.build/checkouts/mlx-swift/Source/Cmlx/mlx/mlx/backend/cuda/event.h:6:
In file included from /host/spi-builder-workspace/.build/checkouts/mlx-swift/Source/Cmlx/mlx/mlx/backend/cuda/utils.h:8:
In file included from /host/spi-builder-workspace/.build/checkouts/mlx-swift/Source/Cmlx/mlx/mlx/backend/cuda/allocator.h:7:
[1m/host/spi-builder-workspace/.build/checkouts/mlx-swift/Source/Cmlx/mlx/mlx/backend/cuda/cuda_utils.h:5:10: [0m[0;1;31mfatal error: [0m[1m'cublasLt.h' file not found[0m
5 | #include <cublasLt.h>[0m
| [0;1;32m ^~~~~~~~~~~~
[0m1 error generated.
error: CompileC /host/spi-builder-workspace/.build/out/Intermediates.noindex/mlx-swift.build/Debug-linux-x86_64/Cmlx-t.build/Objects-normal/x86_64/worker.o /host/spi-builder-workspace/.build/checkouts/mlx-swift/Source/Cmlx/mlx/mlx/backend/cuda/worker.cpp normal x86_64 c++ com.apple.compilers.llvm.clang.1_0.compiler failed with a nonzero exit code. Command line: cd /host
Using response file: /host/spi-builder-workspace/.build/out/Intermediates.noindex/mlx-swift.build/Debug-linux-x86_64/Cmlx-t.build/Objects-normal/x86_64/11b881b950eb02e21769317df93e9b41d1d7f0348e4e0901ae810dce93ca1a57-common-args.resp
/usr/bin/clang -x c++ -target x86_64-unknown-linux-gnu -fmessage-length\=0 -fdiagnostics-show-note-include-stack -fmacro-backtrace-limit\=0 -fcolor-diagnostics -Wno-trigraphs -Wno-missing-field-initializers -Wno-missing-prototypes -Wno-return-type -Wno-non-virtual-dtor -Wno-overloaded-virtual -Wno-exit-time-destructors -Wno-missing-braces -Wparentheses -Wswitch -Wno-unused-function -Wno-unused-label -Wno-unused-parameter -Wno-unused-variable -Wunused-value -Wno-empty-body -Wno-uninitialized -Wno-unknown-pragmas -w -Wno-shadow -Wno-four-char-constants -Wno-conversion -Wno-constant-conversion -Wno-int-conversion -Wno-bool-conversion -Wno-enum-conversion -Wno-float-conversion -Wno-non-literal-null-conversion -Wno-objc-literal-conversion -Wno-shorten-64-to-32 -Wno-newline-eof -Wno-c++11-extensions -Wno-implicit-fallthrough -fstrict-aliasing -Wdeprecated-declarations -Winvalid-offsetof -Wno-sign-conversion -Wno-infinite-recursion -Wno-move -Wno-comma -Wno-block-capture-autoreleasing -Wno-strict-prototypes -Wno-range-loop-analysis -Wno-semicolon-before-method-body --sysroot / @/host/spi-builder-workspace/.build/out/Intermediates.noindex/mlx-swift.build/Debug-linux-x86_64/Cmlx-t.build/Objects-normal/x86_64/11b881b950eb02e21769317df93e9b41d1d7f0348e4e0901ae810dce93ca1a57-common-args.resp -MMD -MT dependencies -MF /host/spi-builder-workspace/.build/out/Intermediates.noindex/mlx-swift.build/Debug-linux-x86_64/Cmlx-t.build/Objects-normal/x86_64/worker.d --serialize-diagnostics /host/spi-builder-workspace/.build/out/Intermediates.noindex/mlx-swift.build/Debug-linux-x86_64/Cmlx-t.build/Objects-normal/x86_64/worker.dia -c /host/spi-builder-workspace/.build/checkouts/mlx-swift/Source/Cmlx/mlx/mlx/backend/cuda/worker.cpp -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/mlx-swift.build/Debug-linux-x86_64/Cmlx-t.build/Objects-normal/x86_64/worker.o
error: Build failed
BUILD FAILURE 6.4 linux