Swift Package Index

Build Information

Failed to build USearch, reference v2.26.6 (a985f7), with Swift 6.4 for macOS (SPM) on 28 Oct 2026 08:01:30 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-27.0.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 5.1.3
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/unum-cloud/usearch.git
Reference: v2.26.6
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/unum-cloud/usearch
 * tag               v2.26.6    -> FETCH_HEAD
HEAD is now at a985f77 Release: v2.26.6 [skip ci] ### Patch
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 @):
a985f77553d2d58d5ef1516eafaae81480bb3c30
SUCCESS checkout https://github.com/unum-cloud/usearch.git at v2.26.6
Fetching https://github.com/ashvardanian/NumKong
[1/37026] Fetching numkong
Fetched https://github.com/ashvardanian/NumKong (7.30s)
Computing version for https://github.com/ashvardanian/NumKong
Computed https://github.com/ashvardanian/NumKong at 7.8.6 (7.95s)
Creating working copy for https://github.com/ashvardanian/NumKong
Working copy of https://github.com/ashvardanian/NumKong resolved at 7.8.6
========================================
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": "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": "7.8.6",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/NumKong",
          "traits": [
            "default"
          ],
          "dependencies": [
          ]
        }
      ]
    }
  ]
}
Fetching https://github.com/unum-cloud/usearch.git
[1/18952] Fetching usearch
Fetched https://github.com/unum-cloud/usearch.git (2.34s)
Fetching https://github.com/ashvardanian/NumKong from cache
Fetched https://github.com/ashvardanian/NumKong from cache (0.60s)
Computing version for https://github.com/ashvardanian/NumKong
Computed https://github.com/ashvardanian/NumKong at 7.8.6 (0.67s)
Creating working copy for https://github.com/ashvardanian/NumKong
Working copy of https://github.com/ashvardanian/NumKong resolved at 7.8.6
Creating working copy for https://github.com/unum-cloud/usearch.git
Working copy of https://github.com/unum-cloud/usearch.git resolved at v2.26.6 (a985f77)
warning: '.resolve-product-dependencies': dependency 'usearch' is not used by any target
Found 1 product dependencies
  - NumKong
========================================
Build
========================================
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 176 / 215]
[Planning deferred tasks]
[30 / 97]
[41 / 98] CNumKongDispatch
[65 / 119] CNumKongDispatch
[68 / 119]
[72 / 151]
[83 / 158]
[87 / 158]
[90 / 158]
[95 / 158]
[100 / 158] CNumKongDispatch
[109 / 158] CNumKongDispatch
[114 / 158] CNumKongDispatch
[118 / 158]
[124 / 158] CNumKongDispatch
[130 / 158] CNumKongDispatch
[131 / 158]
[132 / 158] CNumKongDispatch
[133 / 158]
[135 / 158]
[138 / 158]
[140 / 158]
[141 / 158] CNumKongDispatch
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