Swift Package Index

Build Information

Failed to build Unxip, reference master (1e344e), with Swift 6.4 for macOS (SPM) on 15 Sep 2026 23:42:33 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/thii/Unxip.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/thii/Unxip
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 1e344e3 Expose UnxipKit target
Cloned https://github.com/thii/Unxip.git
Revision (git rev-parse @):
1e344e3d7e9d3932d5aaa3cd9a077f21c7ef75e5
SUCCESS checkout https://github.com/thii/Unxip.git at master
========================================
Build
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Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/thii/Unxip.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
[Pre-planning 1 / 96]
[Planning deferred tasks]
[24 / 33]
[29 / 37] UnxipKit
[32 / 37] UnxipKit-product
[32 / 37] unxip-product
[33 / 37] unxip-product
Undefined symbols for architecture arm64:
  "_OBJC_CLASS_$_PKSignedContainer", referenced from:
       in main.o
ld: symbol(s) not found for architecture arm64
/Users/admin/builder/spi-builder-workspace/Package.swift: unxip-product: clang: error: linker command failed with exit code 1 (use -v to see invocation)
error: Ld /Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug/unxip normal failed with a nonzero exit code. Command line:     cd /Users/admin/builder/spi-builder-workspace
    /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -Xlinker -reproducible -target arm64-apple-macos12.0 -emit-executable -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk -Xlinker -no_warn_duplicate_libraries -L/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/EagerLinkingTBDs/Debug -L/Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug -L/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/Intermediates.noindex/EagerLinkingTBDs/Debug -F/Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug/PackageFrameworks -F/Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug -Fsystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks @/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Unxip.build/Debug/unxip-p.build/Objects-normal/arm64/unxip.LinkFileList -Xlinker -rpath -Xlinker /usr/lib/swift -Xlinker -rpath -Xlinker @loader_path -Xlinker -rpath -Xlinker /Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug/PackageFrameworks -Xlinker -rpath -Xlinker /var/run/com.apple.security.cryptexd/mnt/com.apple.MobileAsset.MetalToolchain-v27.1.266.1.iAfq2R/Metal.xctoolchain/usr/lib/swift-6.2/macosx -Xlinker -rpath -Xlinker /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift-6.2/macosx -Xlinker -dead_strip -Xlinker -object_path_lto -Xlinker /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Unxip.build/Debug/unxip-p.build/Objects-normal/arm64/unxip_lto.o -Xclang-linker -rdynamic -Xlinker -no_deduplicate -Xlinker -dependency_info -Xlinker /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Unxip.build/Debug/unxip-p.build/Objects-normal/arm64/unxip_dependency_info.dat -link-objc-runtime -L/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/macosx -L/usr/lib/swift -Xlinker -add_ast_path -Xlinker /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Unxip.build/Debug/unxip-p.build/Objects-normal/arm64/Unxip.swiftmodule -Xlinker -no_adhoc_codesign -o /Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug/unxip -no-stdlib-rpath
error: Build failed
BUILD FAILURE 6.4 macosSpm