Swift Package IndexBuild Information
Failed to build SpeziFoundation, reference 2.7.6 (14b71e), with Swift 6.1 for iOS using Xcode 16.3 on 20 Apr 2026 03:11:21 UTC.
Build Command
No build command. This typically means the build failed at an early stage where we determine the build command.Build Log
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RunAll
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Builder version: 4.70.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/StanfordSpezi/SpeziFoundation.git
Reference: 2.7.6
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/StanfordSpezi/SpeziFoundation
* tag 2.7.6 -> FETCH_HEAD
HEAD is now at 14b71ec LocalizationsDictionary literal init (#65)
Cloned https://github.com/StanfordSpezi/SpeziFoundation.git
Revision (git rev-parse @):
14b71ec24d42463c273203556c3cbfc03ce04023
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/StanfordSpezi/SpeziFoundation.git at 2.7.6
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Build
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Selected platform: iOS
Swift version: 6.1
Building package at path: $PWD
https://github.com/StanfordSpezi/SpeziFoundation.git
https://github.com/StanfordSpezi/SpeziFoundation.git
{
"default_localization" : "en",
"dependencies" : [
{
"identity" : "swift-atomics",
"requirement" : {
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{
"lower_bound" : "1.2.0",
"upper_bound" : "2.0.0"
}
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},
"type" : "sourceControl",
"url" : "https://github.com/apple/swift-atomics.git"
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{
"identity" : "swift-algorithms",
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{
"identity" : "swift-log",
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{
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}
]
},
"type" : "sourceControl",
"url" : "https://github.com/apple/swift-log"
},
{
"identity" : "zstd",
"requirement" : {
"exact" : [
"1.5.8-beta.1"
]
},
"type" : "sourceControl",
"url" : "https://github.com/StanfordBDHG/zstd.git"
},
{
"identity" : "threadlocal",
"requirement" : {
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{
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"upper_bound" : "1.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/StanfordBDHG/ThreadLocal.git"
}
],
"manifest_display_name" : "SpeziFoundation",
"name" : "SpeziFoundation",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "ios",
"version" : "17.0"
},
{
"name" : "watchos",
"version" : "10.0"
},
{
"name" : "visionos",
"version" : "1.0"
},
{
"name" : "macos",
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},
{
"name" : "maccatalyst",
"version" : "17.0"
},
{
"name" : "tvos",
"version" : "17.0"
}
],
"products" : [
{
"name" : "SpeziFoundation",
"targets" : [
"SpeziFoundation"
],
"type" : {
"library" : [
"automatic"
]
}
},
{
"name" : "SpeziLocalization",
"targets" : [
"SpeziLocalization"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "SpeziLocalizationTests",
"module_type" : "SwiftTarget",
"name" : "SpeziLocalizationTests",
"path" : "Tests/SpeziLocalizationTests",
"resources" : [
{
"path" : "/Users/admin/builder/spi-builder-workspace/Tests/SpeziLocalizationTests/Resources/Localizable.xcstrings",
"rule" : {
"process" : {
}
}
},
{
"path" : "/Users/admin/builder/spi-builder-workspace/Tests/SpeziLocalizationTests/Resources/Localizable.xcstrings.license",
"rule" : {
"process" : {
}
}
}
],
"sources" : [
"LocalizationBundleTests.swift",
"LocalizationTests.swift",
"LocalizationsDictionaryTests.swift"
],
"target_dependencies" : [
"SpeziLocalization",
"SpeziFoundation"
],
"type" : "test"
},
{
"c99name" : "SpeziLocalization",
"module_type" : "SwiftTarget",
"name" : "SpeziLocalization",
"path" : "Sources/SpeziLocalization",
"product_dependencies" : [
"Algorithms"
],
"product_memberships" : [
"SpeziLocalization"
],
"sources" : [
"Bundle+LocalizableString.swift",
"LocalizedFileResources/LocaleMatchingBehaviour.swift",
"LocalizedFileResources/LocalizationKey.swift",
"LocalizedFileResources/LocalizationsDictionary.swift",
"LocalizedFileResources/LocalizedFileResolution.swift",
"LocalizedFileResources/LocalizedFileResources.swift",
"Other.swift"
],
"target_dependencies" : [
"SpeziFoundation"
],
"type" : "library"
},
{
"c99name" : "SpeziFoundationTests",
"module_type" : "SwiftTarget",
"name" : "SpeziFoundationTests",
"path" : "Tests/SpeziFoundationTests",
"product_dependencies" : [
"RuntimeAssertionsTesting"
],
"sources" : [
"AnyAsyncSequenceTests.swift",
"AsyncSemaphoreTests.swift",
"CalendarExtensionsTests.swift",
"CancelableChildTaskTests.swift",
"CollectionBuildersTests.swift",
"CompressionAlgorithmTests.swift",
"DataDescriptorTests.swift",
"DurationTests.swift",
"ExceptionHandlingTests.swift",
"FileManagerTests.swift",
"FormatStyleTests.swift",
"KeyValuePairsTests.swift",
"LocalPreferenceTests.swift",
"LoggerTests.swift",
"MainActorExecutionTests.swift",
"ManagedAsynchronousAccessTests.swift",
"ManagedTaskQueueTests.swift",
"MarkdownDocumentTests.swift",
"OrderedArrayTests.swift",
"RWLockTests.swift",
"RuntimeEnvironmentTests.swift",
"SendableSharedRepositoryTests.swift",
"SequenceExtensionTests.swift",
"SharedRepositoryTests.swift",
"StaticStringTests.swift",
"TimeoutTests.swift",
"VersionTests.swift"
],
"target_dependencies" : [
"SpeziFoundation"
],
"type" : "test"
},
{
"c99name" : "SpeziFoundationObjC",
"module_type" : "ClangTarget",
"name" : "SpeziFoundationObjC",
"path" : "Sources/SpeziFoundationObjC",
"product_memberships" : [
"SpeziFoundation",
"SpeziLocalization"
],
"sources" : [
"ObjCExceptionHandling.m"
],
"type" : "library"
},
{
"c99name" : "SpeziFoundation",
"module_type" : "SwiftTarget",
"name" : "SpeziFoundation",
"path" : "Sources/SpeziFoundation",
"product_dependencies" : [
"libzstd",
"Atomics",
"Algorithms",
"RuntimeAssertions",
"Logging",
"ThreadLocal"
],
"product_memberships" : [
"SpeziFoundation",
"SpeziLocalization"
],
"resources" : [
{
"path" : "/Users/admin/builder/spi-builder-workspace/Sources/SpeziFoundation/Resources/Localizable.xcstrings",
"rule" : {
"process" : {
}
}
},
{
"path" : "/Users/admin/builder/spi-builder-workspace/Sources/SpeziFoundation/Resources/Localizable.xcstrings.license",
"rule" : {
"process" : {
}
}
}
],
"sources" : [
"Collection Builders/ArrayBuilder.swift",
"Collection Builders/RangeReplaceableCollectionBuilder.swift",
"Collection Builders/SetBuilder.swift",
"Compression/CompressionAlgorithm.swift",
"Compression/Zlib.swift",
"Compression/Zstd.swift",
"Concurrency/AnyAsyncIterator.swift",
"Concurrency/AnyAsyncSequence.swift",
"Concurrency/AsyncSemaphore.swift",
"Concurrency/DiscardTaskGroup+CancellableTask.swift",
"Concurrency/MainActorExecution.swift",
"Concurrency/ManagedAsynchronousAccess.swift",
"Concurrency/ManagedTaskQueue.swift",
"Concurrency/RWLock/AtomicPThread.swift",
"Concurrency/RWLock/RWLock.swift",
"Concurrency/RWLock/RecursiveRWLock.swift",
"Concurrency/RWLock/_PThreadReadWriteLockProtocol.swift",
"LocalPreferences/HasDirectUserDefaultsSupport.swift",
"LocalPreferences/LocalPreference.swift",
"LocalPreferences/LocalPreferenceKey.swift",
"LocalPreferences/LocalPreferencesStore.swift",
"LocalPreferences/Migrations.swift",
"Markdown Document/MarkdownDocument+Metadata.swift",
"Markdown Document/MarkdownDocument+Parser.swift",
"Markdown Document/MarkdownDocument+Sections.swift",
"Markdown Document/MarkdownDocument.swift",
"Misc/AnyArray.swift",
"Misc/AnyOptional.swift",
"Misc/BidirectionalCollection.swift",
"Misc/BinarySearch.swift",
"Misc/Calendar.swift",
"Misc/DataDescriptor.swift",
"Misc/Duration.swift",
"Misc/FileManager.swift",
"Misc/FormatStyle.swift",
"Misc/KeyValuePairs.swift",
"Misc/Logger.swift",
"Misc/ObjCExceptionHandling.swift",
"Misc/OrderedArray.swift",
"Misc/Other.swift",
"Misc/RuntimeEnvironment.swift",
"Misc/SendableMetatype.swift",
"Misc/SequenceExtensions+Deprecations.swift",
"Misc/SequenceExtensions.swift",
"Misc/Sorting.swift",
"Misc/StaticString+Hashable.swift",
"Misc/String.swift",
"Misc/TimeoutError.swift",
"Misc/TopLevelDecoder.swift",
"Misc/TopLevelEncoder.swift",
"Misc/Version.swift",
"RuntimeConfig/RuntimeConfig.swift",
"SharedRepository/Builtin/RepositoryValue.swift",
"SharedRepository/Builtin/SendableValueRepository.swift",
"SharedRepository/Builtin/ValueRepository.swift",
"SharedRepository/KnowledgeSource/ComputedKnowledgeSource.swift",
"SharedRepository/KnowledgeSource/DefaultProvidingKnowledgeSource.swift",
"SharedRepository/KnowledgeSource/KnowledgeSource.swift",
"SharedRepository/KnowledgeSource/OptionalComputedKnowledgeSource.swift",
"SharedRepository/KnowledgeSource/SomeComputedKnowledgeSource.swift",
"SharedRepository/RepositoryAnchor.swift",
"SharedRepository/SendableSharedRepository.swift",
"SharedRepository/SharedRepository.swift"
],
"target_dependencies" : [
"SpeziFoundationObjC",
"SpeziCZlib"
],
"type" : "library"
},
{
"c99name" : "SpeziCZlib",
"module_type" : "SystemLibraryTarget",
"name" : "SpeziCZlib",
"path" : "Sources/CZlib",
"product_memberships" : [
"SpeziFoundation",
"SpeziLocalization"
],
"sources" : [
],
"type" : "system-target"
}
],
"tools_version" : "6.0"
}
Command line invocation:
/Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Fetching from https://github.com/StanfordBDHG/XCTRuntimeAssertions.git
Fetching from https://github.com/StanfordBDHG/zstd.git
Fetching from https://github.com/StanfordBDHG/ThreadLocal.git
Fetching from https://github.com/apple/swift-atomics.git (cached)
Fetching from https://github.com/apple/swift-algorithms.git (cached)
Fetching from https://github.com/apple/swift-log (cached)
Fetching from https://github.com/apple/swift-numerics.git (cached)
failed to retrieve search paths with pkg-config; maybe pkg-config is not installedcouldn't find pc file for zlibResolve Package Graph
Updating from https://github.com/apple/swift-atomics.git
Updating from https://github.com/StanfordBDHG/ThreadLocal.git
Updating from https://github.com/apple/swift-algorithms.git
Updating from https://github.com/StanfordBDHG/XCTRuntimeAssertions.git
Updating from https://github.com/StanfordBDHG/zstd.git
Updating from https://github.com/apple/swift-log
Updating from https://github.com/apple/swift-numerics.git
couldn't find pc file for zlibResolve Package Graph
Updating from https://github.com/apple/swift-algorithms.git
Updating from https://github.com/StanfordBDHG/XCTRuntimeAssertions.git
Updating from https://github.com/apple/swift-log
Updating from https://github.com/StanfordBDHG/zstd.git
Updating from https://github.com/StanfordBDHG/ThreadLocal.git
Updating from https://github.com/apple/swift-atomics.git
Updating from https://github.com/apple/swift-numerics.git
couldn't find pc file for zlib
Resolved source packages:
spi-builder-workspace: (null)
2026-04-19 20:11:19.783 xcodebuild[520:3028] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-19-04_20-11-0019.xcresult
xcodebuild: error: Could not resolve package dependencies:
Failed to resolve dependencies Dependencies could not be resolved because 'threadlocal' contains incompatible tools version (6.2.0) and root depends on 'threadlocal' 0.1.0..<1.0.0.
Command line invocation:
/Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Updating from https://github.com/apple/swift-atomics.git
Updating from https://github.com/apple/swift-algorithms.git
Updating from https://github.com/StanfordBDHG/XCTRuntimeAssertions.git
Updating from https://github.com/StanfordBDHG/ThreadLocal.git
Updating from https://github.com/apple/swift-log
Updating from https://github.com/StanfordBDHG/zstd.git
Updating from https://github.com/apple/swift-numerics.git
failed to retrieve search paths with pkg-config; maybe pkg-config is not installedcouldn't find pc file for zlib
Resolved source packages:
spi-builder-workspace: (null)
2026-04-19 20:11:21.640 xcodebuild[905:4674] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-19-04_20-11-0021.xcresult
xcodebuild: error: Could not resolve package dependencies:
Failed to resolve dependencies Dependencies could not be resolved because 'threadlocal' contains incompatible tools version (6.2.0) and root depends on 'threadlocal' 0.1.0..<1.0.0.
BUILD FAILURE 6.1 iOS