Build Information
Successful build of swift-system, reference 1.8.1 (869129), with Swift 6.4 for macOS (SPM) on 27 Sep 2026 01:26:20 UTC.
Swift 6 data race errors: 0
Build Command
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64Build Log
========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/apple/swift-system.git
Reference: 1.8.1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/apple/swift-system
* tag 1.8.1 -> FETCH_HEAD
HEAD is now at 869129b fix(MachPort): silence concurrency check for mach_task_self_ (#379)
Cloned https://github.com/apple/swift-system.git
Revision (git rev-parse @):
869129b7bf4ecc57b97d0193ad29690ca2134750
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/apple/swift-system.git at 1.8.1
========================================
Build
========================================
Selected platform: macosSpm
Swift version: 6.4
Building package at path: $PWD
https://github.com/apple/swift-system.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]
[21 / 33]
[23 / 34] CSystem
[29 / 43]
[32 / 43] SystemPackage
[43 / 71] CSystem
[45 / 71]
[48 / 71]
[50 / 71]
[62 / 71] SystemPackage
[68 / 71] SystemPackage
Build complete! (5.85 sec)
Build complete.
{
"dependencies" : [
],
"manifest_display_name" : "swift-system",
"name" : "swift-system",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
],
"products" : [
{
"name" : "SystemPackage",
"targets" : [
"SystemPackage"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"swift_languages_versions" : [
"6"
],
"targets" : [
{
"c99name" : "SystemTests",
"module_type" : "SwiftTarget",
"name" : "SystemTests",
"path" : "Tests/SystemTests",
"sources" : [
"ErrnoTest.swift",
"FileDescriptorExtras.swift",
"FileModeTests.swift",
"FileOperationsTest.swift",
"FileOperationsTestWindows.swift",
"FilePathTests/FilePathComponentsTest.swift",
"FilePathTests/FilePathDecodable.swift",
"FilePathTests/FilePathExtras.swift",
"FilePathTests/FilePathParsingTest.swift",
"FilePathTests/FilePathSyntaxTest.swift",
"FilePathTests/FilePathTempTest.swift",
"FilePathTests/FilePathTest.swift",
"FileTypesTest.swift",
"MachPortTests.swift",
"MockingTest.swift",
"StatTests.swift",
"SystemCharTest.swift",
"SystemStringTests.swift",
"TestingInfrastructure.swift",
"UtilTests.swift"
],
"target_dependencies" : [
"SystemPackage"
],
"type" : "test"
},
{
"c99name" : "SystemPackage",
"module_type" : "SwiftTarget",
"name" : "SystemPackage",
"path" : "Sources/System",
"product_memberships" : [
"SystemPackage"
],
"sources" : [
"Errno.swift",
"ErrnoWindows.swift",
"FileDescriptor.swift",
"FileHelpers.swift",
"FileOperations.swift",
"FilePath/FilePath.swift",
"FilePath/FilePathComponentView.swift",
"FilePath/FilePathComponents.swift",
"FilePath/FilePathParsing.swift",
"FilePath/FilePathString.swift",
"FilePath/FilePathSyntax.swift",
"FilePath/FilePathTemp.swift",
"FilePath/FilePathTempPosix.swift",
"FilePath/FilePathTempWindows.swift",
"FilePath/FilePathWindows.swift",
"FilePermissions.swift",
"FileSystem/FileFlags.swift",
"FileSystem/FileMode.swift",
"FileSystem/FileType.swift",
"FileSystem/Identifiers.swift",
"FileSystem/Stat.swift",
"Internals/Backcompat.swift",
"Internals/CInterop.swift",
"Internals/Constants.swift",
"Internals/Exports.swift",
"Internals/Mocking.swift",
"Internals/RawBuffer.swift",
"Internals/Syscalls.swift",
"Internals/WindowsSyscallAdapters.swift",
"MachPort.swift",
"PlatformString.swift",
"SystemString.swift",
"Util+StringArray.swift",
"Util.swift",
"UtilConsumers.swift",
"WinSDK+Overlay.swift"
],
"target_dependencies" : [
"CSystem"
],
"type" : "library"
},
{
"c99name" : "MemberImportVisibility",
"module_type" : "SwiftTarget",
"name" : "MemberImportVisibility",
"path" : "Tests/MemberImportVisibility",
"sources" : [
"Probe.swift"
],
"target_dependencies" : [
"SystemPackage"
],
"type" : "test"
},
{
"c99name" : "CSystem",
"module_type" : "ClangTarget",
"name" : "CSystem",
"path" : "Sources/CSystem",
"product_memberships" : [
"SystemPackage"
],
"sources" : [
"shims.c"
],
"type" : "library"
}
],
"tools_version" : "6.1"
}
Done.