Build Information
Failed to build USearch, reference main (33d3ab), with Swift 6.4 for macOS (SPM) on 4 Nov 2026 21:19:36 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-27.0.0.app xcrun swift build --arch arm64Build Log
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RunAll
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Builder version: 5.1.4
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/unum-cloud/usearch.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/unum-cloud/usearch
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 33d3ab6 Make: Stop publishing Docker images, Maven artifacts and Vercel docs
Submodule path 'numkong': checked out '254198d3cc1e9fbbfc194484d20cc9767dd8a676'
Submodule path 'stringzilla': checked out '30d3e2129654d8269b3f66726414f9694c834e25'
Submodule 'numkong' (https://github.com/ashvardanian/NumKong) registered for path 'numkong'
Submodule 'stringzilla' (https://github.com/ashvardanian/stringzilla) registered for path 'stringzilla'
Cloning into '/Users/admin/builder/spi-builder-workspace/numkong'...
Cloning into '/Users/admin/builder/spi-builder-workspace/stringzilla'...
Cloned https://github.com/unum-cloud/usearch.git
Revision (git rev-parse @):
33d3ab6416f87581fe0bc6cc833bac9f516a0c82
SUCCESS checkout https://github.com/unum-cloud/usearch.git at main
Fetching https://github.com/ashvardanian/NumKong
[1/37163] Fetching numkong
Fetched https://github.com/ashvardanian/NumKong (3.75s)
Computing version for https://github.com/ashvardanian/NumKong
Computed https://github.com/ashvardanian/NumKong at 7.8.7 (4.41s)
Creating working copy for https://github.com/ashvardanian/NumKong
Working copy of https://github.com/ashvardanian/NumKong resolved at 7.8.7
========================================
ResolveProductDependencies
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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": "usearch",
"name": "USearch",
"url": "https://github.com/unum-cloud/usearch.git",
"version": "unspecified",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/usearch",
"traits": [
"default"
],
"dependencies": [
{
"identity": "numkong",
"name": "NumKong",
"url": "https://github.com/ashvardanian/NumKong",
"version": "7.8.7",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/NumKong",
"traits": [
"default"
],
"dependencies": [
]
}
]
}
]
}
Fetching https://github.com/unum-cloud/usearch.git
[1/19039] Fetching usearch
Fetched https://github.com/unum-cloud/usearch.git (2.40s)
Fetching https://github.com/ashvardanian/NumKong from cache
Fetched https://github.com/ashvardanian/NumKong from cache (0.59s)
Computing version for https://github.com/ashvardanian/NumKong
Computed https://github.com/ashvardanian/NumKong at 7.8.7 (0.66s)
Creating working copy for https://github.com/ashvardanian/NumKong
Working copy of https://github.com/ashvardanian/NumKong resolved at 7.8.7
Creating working copy for https://github.com/unum-cloud/usearch.git
Working copy of https://github.com/unum-cloud/usearch.git resolved at main (33d3ab6)
warning: '.resolve-product-dependencies': dependency 'usearch' is not used by any target
Found 1 product dependencies
- NumKong
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Build
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Selected platform: macosSpm
Swift version: 6.4
Building package at path: $PWD
https://github.com/unum-cloud/usearch.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0.app xcrun swift build --arch arm64
Building for debugging...
[Constructing description]
[Planning deferred tasks]
[30 / 97]
[41 / 98] USearch
[57 / 119] CNumKongDispatch
[68 / 119]
[72 / 119]
[74 / 119]
[75 / 119] USearch
[87 / 158]
[92 / 158]
[102 / 158] CNumKongDispatch
[111 / 158] CNumKongDispatch
[115 / 158]
[123 / 158] CNumKongDispatch
[125 / 158] CNumKongDispatch
[128 / 158]
[131 / 158] CNumKongDispatch
[133 / 158]
[135 / 158] USearchC
[138 / 158] CNumKongDispatch
[138 / 158]
[140 / 158]
warning: 'spi-builder-workspace': found 4 file(s) which are unhandled; explicitly declare them as resources or exclude from the target
/Users/admin/builder/spi-builder-workspace/swift/README.md
/Users/admin/builder/spi-builder-workspace/swift/USearchIndex+Sugar.swift
/Users/admin/builder/spi-builder-workspace/swift/USearchIndex.swift
/Users/admin/builder/spi-builder-workspace/swift/Util.swift
error: Build input file cannot be found: '/Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug/CNumKong.o'. Did you forget to declare this file as an output of a script phase or custom build rule which produces it?
error: Libtool /Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug/libUSearchObjectiveC.a normal failed with a nonzero exit code. Command line: cd /Users/admin/builder/spi-builder-workspace
/Applications/Xcode-27.0.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/libtool -static -arch_only arm64 -D -syslibroot /Applications/Xcode-27.0.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk -L/Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug -L/Applications/Xcode-27.0.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -filelist /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/USearch.build/Debug/USearchObjectiveC-product-p.build/Objects-normal/arm64/USearchObjectiveC.LinkFileList -no_warning_for_no_symbols -dependency_info /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/USearch.build/Debug/USearchObjectiveC-product-p.build/Objects-normal/arm64/USearchObjectiveC_libtool_dependency_info.dat -o /Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug/libUSearchObjectiveC.a
error: Build failed
BUILD FAILURE 6.4 macosSpm