Swift Package Index

Build Information

Failed to build swift-longhair, reference main (e489e9), with Swift 6.4 for macOS (SPM) on 22 Sep 2026 08:49:49 UTC.

Build Command

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

Build Log

========================================
RunAll
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Builder version: 5.1.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/sena-mike/swift-longhair.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/sena-mike/swift-longhair
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at e489e9a Add README usage guide and validate example in tests (#8)
Submodule path 'Sources/CLonghair': checked out 'd5f9fa07403ce65f63e3edffaa898414c9774619'
Submodule 'Sources/CLonghair' (https://github.com/catid/longhair.git) registered for path 'Sources/CLonghair'
Cloning into '/Users/admin/builder/spi-builder-workspace/Sources/CLonghair'...
Cloned https://github.com/sena-mike/swift-longhair.git
Revision (git rev-parse @):
e489e9a141c310d73d93f80601a5394266d534b6
SUCCESS checkout https://github.com/sena-mike/swift-longhair.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/sena-mike/swift-longhair.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
[Pre-planning 1 / 96]
[Planning deferred tasks]
[23 / 36]
[27 / 37] CLonghair
[28 / 37] CLonghair
[28 / 37] Longhair
[41 / 92]
[45 / 92]
[52 / 92]
[58 / 92]
[63 / 92]
[67 / 92]
[69 / 92]
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error: SwiftCompile normal arm64 failed with a nonzero exit code. Command line:     cd /Users/admin/builder

/Users/admin/builder/spi-builder-workspace/Sources/Longhair/Longhair.swift:51:18: error: cannot find 'cauchy256Initialize' in scope
 49 |   /// This closure will run exactly once, the first time _initializer is touched.
 50 |   private static let _initializer: Void = {
 51 |     precondition(cauchy256Initialize(expectedVersion: CAUCHY_256_VERSION) == 0)
    |                  `- error: cannot find 'cauchy256Initialize' in scope
 52 |     precondition(gf256Initialize(version: GF256_VERSION) == 0)
 53 |   }()
/Users/admin/builder/spi-builder-workspace/Sources/Longhair/Longhair.swift:52:18: error: cannot find 'gf256Initialize' in scope
 50 |   private static let _initializer: Void = {
 51 |     precondition(cauchy256Initialize(expectedVersion: CAUCHY_256_VERSION) == 0)
 52 |     precondition(gf256Initialize(version: GF256_VERSION) == 0)
    |                  `- error: cannot find 'gf256Initialize' in scope
 53 |   }()
 54 |
Failed frontend command:
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /Users/admin/builder/spi-builder-workspace/Sources/Longhair/Longhair.swift -target arm64-apple-macos12.0 -disable-cross-import-overlay-search -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libFoundationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#FoundationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libObservationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#ObservationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libSwiftMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#SwiftMacros -disable-implicit-swift-modules -Xcc -fno-implicit-modules -Xcc -fno-implicit-module-maps -explicit-swift-module-map-file /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-longhair.build/Debug/Longhair-t.build/Objects-normal/arm64/Longhair-dependencies-1.json -Xllvm -aarch64-use-tbi -enable-objc-interop -stack-check -cxx-interoperability-mode\=default -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk -I /Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug/PackageFrameworks -F /Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -module-cache-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftExplicitPrecompiledModules -color-diagnostics -Xcc -fcolor-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -swift-version 6 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D Xcode -serialize-debugging-options -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.build/out/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /Users/admin/builder -enable-anonymous-context-mangled-names -file-compilation-dir /Users/admin/builder -Xcc -fmodule-map-file\=/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/GeneratedModuleMaps/CLonghair.modulemap -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.build/out/SDKStatCaches.noindex/macosx27.0-26A425-80c5bbf1d171475443272936d42f90a36a22442a12e9d48fe1a705f55a1adfc4.sdkstatcache -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -Xcc -I/Users/admin/builder/spi-builder-workspace/Sources/CLonghair -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-longhair.build/Debug/Longhair-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-longhair.build/Debug/Longhair-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-longhair.build/Debug/Longhair-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -Xcc -DGF256_TARGET_MOBILE -no-auto-bridging-header-chaining -module-name Longhair -package-name spi_builder_workspace -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-longhair.build/Debug/Longhair-t.build/Objects-normal/arm64/Longhair_const_extract_protocols.json -disable-clang-spi -clang-target arm64-apple-macos27.0 -target-sdk-version 27.0 -target-sdk-name macosx27.0 -in-process-plugin-server-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -emit-module-doc-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-longhair.build/Debug/Longhair-t.build/Objects-normal/arm64/Longhair.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-longhair.build/Debug/Longhair-t.build/Objects-normal/arm64/Longhair.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-longhair.build/Debug/Longhair-t.build/Objects-normal/arm64/Longhair-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-longhair.build/Debug/Longhair-t.build/Objects-normal/arm64/Longhair-primary-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-longhair.build/Debug/Longhair-t.build/Objects-normal/arm64/Longhair-primary-emit-module.d -parse-as-library -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-longhair.build/Debug/Longhair-t.build/Objects-normal/arm64/Longhair.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-longhair.build/Debug/Longhair-t.build/Objects-normal/arm64/Longhair.abi.json
error: Build failed
BUILD FAILURE 6.4 macosSpm