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Track the adoption of Swift 6 strict concurrency checks for data race safety. How many packages are Ready for Swift 6?

Build Information

Failed to build java_util, reference 2.5.0 (812eb5), with Swift 6.1 for macOS (SPM) on 26 Apr 2025 13:58:10 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/swiftjava/java_util.git
Reference: 2.5.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/swiftjava/java_util
 * tag               2.5.0      -> FETCH_HEAD
HEAD is now at 812eb50 Swift 5 SPM
Cloned https://github.com/swiftjava/java_util.git
Revision (git rev-parse @):
812eb50d52eda0ff78b755b547472c49678491f6
SUCCESS checkout https://github.com/swiftjava/java_util.git at 2.5.0
Fetching https://github.com/SwiftJava/java_lang.git
[1/747] Fetching java_lang
Fetched https://github.com/SwiftJava/java_lang.git from cache (0.83s)
Fetching https://github.com/SwiftJava/java_swift.git
[1/290] Fetching java_swift
Fetched https://github.com/SwiftJava/java_swift.git from cache (0.66s)
Fetching https://github.com/SwiftJava/CJavaVM.git
[1/54] Fetching cjavavm
Fetched https://github.com/SwiftJava/CJavaVM.git from cache (0.61s)
Creating working copy for https://github.com/SwiftJava/java_swift.git
Working copy of https://github.com/SwiftJava/java_swift.git resolved at master (ef87de5)
Creating working copy for https://github.com/SwiftJava/CJavaVM.git
Working copy of https://github.com/SwiftJava/CJavaVM.git resolved at master (654df50)
Creating working copy for https://github.com/SwiftJava/java_lang.git
Working copy of https://github.com/SwiftJava/java_lang.git resolved at master (6db935c)
========================================
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",
  "dependencies": [
    {
      "identity": "java_util",
      "name": "java_util",
      "url": "https://github.com/swiftjava/java_util.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/java_util",
      "dependencies": [
        {
          "identity": "java_lang",
          "name": "java_lang",
          "url": "https://github.com/SwiftJava/java_lang.git",
          "version": "unspecified",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/java_lang",
          "dependencies": [
            {
              "identity": "java_swift",
              "name": "java_swift",
              "url": "https://github.com/SwiftJava/java_swift.git",
              "version": "unspecified",
              "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/java_swift",
              "dependencies": [
                {
                  "identity": "cjavavm",
                  "name": "CJavaVM",
                  "url": "https://github.com/SwiftJava/CJavaVM.git",
                  "version": "unspecified",
                  "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/CJavaVM",
                  "dependencies": [
                  ]
                }
              ]
            }
          ]
        }
      ]
    }
  ]
}
Fetching https://github.com/swiftjava/java_util.git
[1/1151] Fetching java_util
Fetched https://github.com/swiftjava/java_util.git from cache (0.91s)
Fetching https://github.com/SwiftJava/java_lang.git from cache
Fetched https://github.com/SwiftJava/java_lang.git from cache (0.44s)
Fetching https://github.com/SwiftJava/java_swift.git from cache
Fetched https://github.com/SwiftJava/java_swift.git from cache (0.41s)
Fetching https://github.com/SwiftJava/CJavaVM.git from cache
Fetched https://github.com/SwiftJava/CJavaVM.git from cache (0.44s)
Creating working copy for https://github.com/SwiftJava/java_lang.git
Working copy of https://github.com/SwiftJava/java_lang.git resolved at master (6db935c)
Creating working copy for https://github.com/SwiftJava/java_swift.git
Working copy of https://github.com/SwiftJava/java_swift.git resolved at master (ef87de5)
Creating working copy for https://github.com/SwiftJava/CJavaVM.git
Working copy of https://github.com/SwiftJava/CJavaVM.git resolved at master (654df50)
Creating working copy for https://github.com/swiftjava/java_util.git
Working copy of https://github.com/swiftjava/java_util.git resolved at 2.5.0 (812eb50)
warning: 'cjavavm': ignoring declared target(s) 'CJavaVM' in the system package
warning: 'cjavavm': system packages are deprecated; use system library targets instead
warning: '.resolve-product-dependencies': dependency 'java_util' is not used by any target
Found 1 product dependencies
  - java_lang
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/swiftjava/java_util.git
https://github.com/swiftjava/java_util.git
{
  "dependencies" : [
    {
      "identity" : "java_lang",
      "requirement" : {
        "branch" : [
          "master"
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/SwiftJava/java_lang.git"
    }
  ],
  "manifest_display_name" : "java_util",
  "name" : "java_util",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "java_util",
      "targets" : [
        "java_util"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "java_util",
      "module_type" : "SwiftTarget",
      "name" : "java_util",
      "path" : "Sources",
      "product_dependencies" : [
        "java_lang"
      ],
      "product_memberships" : [
        "java_util"
      ],
      "sources" : [
        "AbstractCollection.swift",
        "AbstractExecutorService.swift",
        "AbstractList.swift",
        "AbstractMap.swift",
        "AbstractOwnableSynchronizer.swift",
        "AbstractPreferences.swift",
        "AbstractQueue.swift",
        "AbstractQueuedLongSynchronizer.swift",
        "AbstractQueuedSynchronizer.swift",
        "AbstractSequentialList.swift",
        "AbstractSet.swift",
        "Adler32.swift",
        "ArrayBlockingQueue.swift",
        "ArrayDeque.swift",
        "ArrayList.swift",
        "Arrays.swift",
        "AtomicBoolean.swift",
        "AtomicInteger.swift",
        "AtomicIntegerArray.swift",
        "AtomicIntegerFieldUpdater.swift",
        "AtomicLong.swift",
        "AtomicLongArray.swift",
        "AtomicLongFieldUpdater.swift",
        "AtomicMarkableReference.swift",
        "AtomicReference.swift",
        "AtomicReferenceArray.swift",
        "AtomicReferenceFieldUpdater.swift",
        "AtomicStampedReference.swift",
        "Attributes.swift",
        "BackingStoreException.swift",
        "Base64.swift",
        "BaseStream.swift",
        "BiConsumer.swift",
        "BiFunction.swift",
        "BiPredicate.swift",
        "BinaryOperator.swift",
        "BitSet.swift",
        "BlockingDeque.swift",
        "BlockingQueue.swift",
        "BooleanSupplier.swift",
        "BrokenBarrierException.swift",
        "CRC32.swift",
        "Calendar.swift",
        "CalendarDataProvider.swift",
        "CalendarNameProvider.swift",
        "Callable.swift",
        "CancellationException.swift",
        "CheckedInputStream.swift",
        "CheckedOutputStream.swift",
        "Checksum.swift",
        "Collection.swift",
        "Collections.swift",
        "Collector.swift",
        "Collectors.swift",
        "CompletionException.swift",
        "CompletionService.swift",
        "CompletionStage.swift",
        "ConcurrentHashMap.swift",
        "ConcurrentLinkedDeque.swift",
        "ConcurrentLinkedQueue.swift",
        "ConcurrentMap.swift",
        "ConcurrentModificationException.swift",
        "ConcurrentNavigableMap.swift",
        "ConcurrentSkipListMap.swift",
        "ConcurrentSkipListSet.swift",
        "Condition.swift",
        "ConsoleHandler.swift",
        "Consumer.swift",
        "CopyOnWriteArrayList.swift",
        "CopyOnWriteArraySet.swift",
        "CountDownLatch.swift",
        "CountedCompleter.swift",
        "Currency.swift",
        "CurrencyNameProvider.swift",
        "CyclicBarrier.swift",
        "DataFormatException.swift",
        "Date.swift",
        "Deflater.swift",
        "DeflaterInputStream.swift",
        "DeflaterOutputStream.swift",
        "DelayQueue.swift",
        "Delayed.swift",
        "Deque.swift",
        "Dictionary.swift",
        "DoubleAccumulator.swift",
        "DoubleAdder.swift",
        "DoubleBinaryOperator.swift",
        "DoubleConsumer.swift",
        "DoubleFunction.swift",
        "DoublePredicate.swift",
        "DoubleStream.swift",
        "DoubleSummaryStatistics.swift",
        "DoubleSupplier.swift",
        "DoubleToIntFunction.swift",
        "DoubleToLongFunction.swift",
        "DoubleUnaryOperator.swift",
        "DuplicateFormatFlagsException.swift",
        "EmptyStackException.swift",
        "EnumMap.swift",
        "EnumSet.swift",
        "Enumeration.swift",
        "ErrorManager.swift",
        "EventListener.swift",
        "EventListenerProxy.swift",
        "EventObject.swift",
        "Exchanger.swift",
        "ExecutionException.swift",
        "Executor.swift",
        "ExecutorCompletionService.swift",
        "ExecutorService.swift",
        "Executors.swift",
        "FileHandler.swift",
        "Filter.swift",
        "ForkJoinPool.swift",
        "ForkJoinTask.swift",
        "ForkJoinWorkerThread.swift",
        "FormatFlagsConversionMismatchException.swift",
        "Formattable.swift",
        "FormattableFlags.swift",
        "Formatter.swift",
        "FormatterClosedException.swift",
        "Function.swift",
        "Future.swift",
        "FutureTask.swift",
        "GZIPInputStream.swift",
        "GZIPOutputStream.swift",
        "GregorianCalendar.swift",
        "Handler.swift",
        "HashSet.swift",
        "Hashtable.swift",
        "IdentityHashMap.swift",
        "IllegalFormatCodePointException.swift",
        "IllegalFormatConversionException.swift",
        "IllegalFormatException.swift",
        "IllegalFormatFlagsException.swift",
        "IllegalFormatPrecisionException.swift",
        "IllegalFormatWidthException.swift",
        "IllformedLocaleException.swift",
        "Inflater.swift",
        "InflaterInputStream.swift",
        "InflaterOutputStream.swift",
        "InputMismatchException.swift",
        "IntBinaryOperator.swift",
        "IntConsumer.swift",
        "IntFunction.swift",
        "IntPredicate.swift",
        "IntStream.swift",
        "IntSummaryStatistics.swift",
        "IntSupplier.swift",
        "IntToDoubleFunction.swift",
        "IntToLongFunction.swift",
        "IntUnaryOperator.swift",
        "InvalidPreferencesFormatException.swift",
        "InvalidPropertiesFormatException.swift",
        "Iterator.swift",
        "JarEntry.swift",
        "JarException.swift",
        "JarFile.swift",
        "JarInputStream.swift",
        "JarOutputStream.swift",
        "JavaComparator.swift",
        "JavaLocale.swift",
        "Level.swift",
        "LinkedBlockingDeque.swift",
        "LinkedBlockingQueue.swift",
        "LinkedHashMap.swift",
        "LinkedHashSet.swift",
        "LinkedList.swift",
        "LinkedTransferQueue.swift",
        "List.swift",
        "ListIterator.swift",
        "ListResourceBundle.swift",
        "LocaleNameProvider.swift",
        "LocaleServiceProvider.swift",
        "Lock.swift",
        "LockSupport.swift",
        "LogManager.swift",
        "LogRecord.swift",
        "Logger.swift",
        "LoggingMXBean.swift",
        "LoggingPermission.swift",
        "LongAccumulator.swift",
        "LongAdder.swift",
        "LongBinaryOperator.swift",
        "LongConsumer.swift",
        "LongFunction.swift",
        "LongPredicate.swift",
        "LongStream.swift",
        "LongSummaryStatistics.swift",
        "LongSupplier.swift",
        "LongToDoubleFunction.swift",
        "LongToIntFunction.swift",
        "LongUnaryOperator.swift",
        "Manifest.swift",
        "MatchResult.swift",
        "Matcher.swift",
        "MemoryHandler.swift",
        "MissingFormatArgumentException.swift",
        "MissingFormatWidthException.swift",
        "MissingResourceException.swift",
        "NavigableMap.swift",
        "NavigableSet.swift",
        "NoSuchElementException.swift",
        "NodeChangeEvent.swift",
        "NodeChangeListener.swift",
        "ObjDoubleConsumer.swift",
        "ObjIntConsumer.swift",
        "ObjLongConsumer.swift",
        "Objects.swift",
        "Observable.swift",
        "Observer.swift",
        "Optional.swift",
        "OptionalDouble.swift",
        "OptionalInt.swift",
        "OptionalLong.swift",
        "Pack200.swift",
        "Pattern.swift",
        "PatternSyntaxException.swift",
        "Phaser.swift",
        "Predicate.swift",
        "PreferenceChangeEvent.swift",
        "PreferenceChangeListener.swift",
        "Preferences.swift",
        "PreferencesFactory.swift",
        "PrimitiveIterator.swift",
        "PriorityBlockingQueue.swift",
        "PriorityQueue.swift",
        "Properties.swift",
        "PropertyPermission.swift",
        "PropertyResourceBundle.swift",
        "Queue.swift",
        "Random.swift",
        "RandomAccess.swift",
        "ReadWriteLock.swift",
        "RecursiveAction.swift",
        "RecursiveTask.swift",
        "ReentrantLock.swift",
        "ReentrantReadWriteLock.swift",
        "RejectedExecutionException.swift",
        "RejectedExecutionHandler.swift",
        "ResourceBundle.swift",
        "ResourceBundleControlProvider.swift",
        "RunnableFuture.swift",
        "RunnableScheduledFuture.swift",
        "Scanner.swift",
        "ScheduledExecutorService.swift",
        "ScheduledFuture.swift",
        "ScheduledThreadPoolExecutor.swift",
        "Semaphore.swift",
        "ServiceConfigurationError.swift",
        "ServiceLoader.swift",
        "SimpleFormatter.swift",
        "SimpleTimeZone.swift",
        "SocketHandler.swift",
        "SortedMap.swift",
        "SortedSet.swift",
        "Spliterator.swift",
        "Spliterators.swift",
        "SplittableRandom.swift",
        "Stack.swift",
        "StampedLock.swift",
        "Stream.swift",
        "StreamHandler.swift",
        "StreamSupport.swift",
        "StringJoiner.swift",
        "StringTokenizer.swift",
        "Supplier.swift",
        "SynchronousQueue.swift",
        "ThreadFactory.swift",
        "ThreadLocalRandom.swift",
        "ThreadPoolExecutor.swift",
        "TimeUnit.swift",
        "TimeZone.swift",
        "TimeZoneNameProvider.swift",
        "TimeoutException.swift",
        "Timer.swift",
        "TimerTask.swift",
        "ToDoubleBiFunction.swift",
        "ToDoubleFunction.swift",
        "ToIntBiFunction.swift",
        "ToIntFunction.swift",
        "ToLongBiFunction.swift",
        "ToLongFunction.swift",
        "TooManyListenersException.swift",
        "TransferQueue.swift",
        "TreeMap.swift",
        "TreeSet.swift",
        "UUID.swift",
        "UnaryOperator.swift",
        "UnknownFormatConversionException.swift",
        "UnknownFormatFlagsException.swift",
        "Vector.swift",
        "WeakHashMap.swift",
        "XMLFormatter.swift",
        "ZipEntry.swift",
        "ZipError.swift",
        "ZipException.swift",
        "ZipFile.swift",
        "ZipInputStream.swift",
        "ZipOutputStream.swift",
        "logging_Formatter.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.0"
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures
Building for debugging...
[0/4] Write sources
[3/4] Write swift-version-2F0A5646E1D333AE.txt
[5/20] Compiling java_swift Runnable.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/java_swift/Sources/Runnable.swift:44:48: error: cannot find 'strdup' in scope
42 |
43 |         let Runnable_run_0_thunk: Runnable_run_0_type = Runnable_run_0
44 |         natives.append( JNINativeMethod( name: strdup("__run"), signature: strdup("(J)V"), fnPtr: unsafeBitCast( Runnable_run_0_thunk, to: UnsafeMutableRawPointer.self ) ) )
   |                                                `- error: cannot find 'strdup' in scope
45 |
46 |         natives.append( JNINativeMethod( name: strdup("__finalize"), signature: strdup("(J)V"), fnPtr: unsafeBitCast( JNIReleasableProxy__finalize_thunk, to: UnsafeMutableRawPointer.self ) ) )
/Users/admin/builder/spi-builder-workspace/.build/checkouts/java_swift/Sources/Runnable.swift:44:76: error: cannot find 'strdup' in scope
42 |
43 |         let Runnable_run_0_thunk: Runnable_run_0_type = Runnable_run_0
44 |         natives.append( JNINativeMethod( name: strdup("__run"), signature: strdup("(J)V"), fnPtr: unsafeBitCast( Runnable_run_0_thunk, to: UnsafeMutableRawPointer.self ) ) )
   |                                                                            `- error: cannot find 'strdup' in scope
45 |
46 |         natives.append( JNINativeMethod( name: strdup("__finalize"), signature: strdup("(J)V"), fnPtr: unsafeBitCast( JNIReleasableProxy__finalize_thunk, to: UnsafeMutableRawPointer.self ) ) )
/Users/admin/builder/spi-builder-workspace/.build/checkouts/java_swift/Sources/Runnable.swift:46:48: error: cannot find 'strdup' in scope
44 |         natives.append( JNINativeMethod( name: strdup("__run"), signature: strdup("(J)V"), fnPtr: unsafeBitCast( Runnable_run_0_thunk, to: UnsafeMutableRawPointer.self ) ) )
45 |
46 |         natives.append( JNINativeMethod( name: strdup("__finalize"), signature: strdup("(J)V"), fnPtr: unsafeBitCast( JNIReleasableProxy__finalize_thunk, to: UnsafeMutableRawPointer.self ) ) )
   |                                                `- error: cannot find 'strdup' in scope
47 |
48 |         let clazz = JNI.FindClass( proxyClassName() )
/Users/admin/builder/spi-builder-workspace/.build/checkouts/java_swift/Sources/Runnable.swift:46:81: error: cannot find 'strdup' in scope
44 |         natives.append( JNINativeMethod( name: strdup("__run"), signature: strdup("(J)V"), fnPtr: unsafeBitCast( Runnable_run_0_thunk, to: UnsafeMutableRawPointer.self ) ) )
45 |
46 |         natives.append( JNINativeMethod( name: strdup("__finalize"), signature: strdup("(J)V"), fnPtr: unsafeBitCast( JNIReleasableProxy__finalize_thunk, to: UnsafeMutableRawPointer.self ) ) )
   |                                                                                 `- error: cannot find 'strdup' in scope
47 |
48 |         let clazz = JNI.FindClass( proxyClassName() )
[6/21] Compiling java_swift JavaSet.swift
[7/21] Compiling java_swift JNIProxy.swift
[8/21] Compiling java_swift JNIType.swift
[9/21] Compiling java_swift JavaMap.swift
[10/21] Compiling java_swift JavaObject.swift
[11/21] Compiling java_swift JavaClass.swift
[12/21] Compiling java_swift JavaEnum.swift
[13/21] Compiling java_swift JavaThread.swift
[14/21] Compiling java_swift Throwable.swift
[15/21] Compiling java_swift JNIMethod.swift
[16/21] Compiling java_swift JNIObject.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[17/21] Compiling java_swift JNICore.swift
[18/21] Compiling java_swift JNIField.swift
[19/21] Compiling java_swift Exception.swift
[20/21] Compiling java_swift HashMap.swift
[21/21] Emitting module java_swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/java_swift/Sources/Runnable.swift:44:48: error: cannot find 'strdup' in scope
42 |
43 |         let Runnable_run_0_thunk: Runnable_run_0_type = Runnable_run_0
44 |         natives.append( JNINativeMethod( name: strdup("__run"), signature: strdup("(J)V"), fnPtr: unsafeBitCast( Runnable_run_0_thunk, to: UnsafeMutableRawPointer.self ) ) )
   |                                                `- error: cannot find 'strdup' in scope
45 |
46 |         natives.append( JNINativeMethod( name: strdup("__finalize"), signature: strdup("(J)V"), fnPtr: unsafeBitCast( JNIReleasableProxy__finalize_thunk, to: UnsafeMutableRawPointer.self ) ) )
/Users/admin/builder/spi-builder-workspace/.build/checkouts/java_swift/Sources/Runnable.swift:44:76: error: cannot find 'strdup' in scope
42 |
43 |         let Runnable_run_0_thunk: Runnable_run_0_type = Runnable_run_0
44 |         natives.append( JNINativeMethod( name: strdup("__run"), signature: strdup("(J)V"), fnPtr: unsafeBitCast( Runnable_run_0_thunk, to: UnsafeMutableRawPointer.self ) ) )
   |                                                                            `- error: cannot find 'strdup' in scope
45 |
46 |         natives.append( JNINativeMethod( name: strdup("__finalize"), signature: strdup("(J)V"), fnPtr: unsafeBitCast( JNIReleasableProxy__finalize_thunk, to: UnsafeMutableRawPointer.self ) ) )
/Users/admin/builder/spi-builder-workspace/.build/checkouts/java_swift/Sources/Runnable.swift:46:48: error: cannot find 'strdup' in scope
44 |         natives.append( JNINativeMethod( name: strdup("__run"), signature: strdup("(J)V"), fnPtr: unsafeBitCast( Runnable_run_0_thunk, to: UnsafeMutableRawPointer.self ) ) )
45 |
46 |         natives.append( JNINativeMethod( name: strdup("__finalize"), signature: strdup("(J)V"), fnPtr: unsafeBitCast( JNIReleasableProxy__finalize_thunk, to: UnsafeMutableRawPointer.self ) ) )
   |                                                `- error: cannot find 'strdup' in scope
47 |
48 |         let clazz = JNI.FindClass( proxyClassName() )
/Users/admin/builder/spi-builder-workspace/.build/checkouts/java_swift/Sources/Runnable.swift:46:81: error: cannot find 'strdup' in scope
44 |         natives.append( JNINativeMethod( name: strdup("__run"), signature: strdup("(J)V"), fnPtr: unsafeBitCast( Runnable_run_0_thunk, to: UnsafeMutableRawPointer.self ) ) )
45 |
46 |         natives.append( JNINativeMethod( name: strdup("__finalize"), signature: strdup("(J)V"), fnPtr: unsafeBitCast( JNIReleasableProxy__finalize_thunk, to: UnsafeMutableRawPointer.self ) ) )
   |                                                                                 `- error: cannot find 'strdup' in scope
47 |
48 |         let clazz = JNI.FindClass( proxyClassName() )
warning: 'cjavavm': ignoring declared target(s) 'CJavaVM' in the system package
warning: 'cjavavm': system packages are deprecated; use system library targets instead
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version-2F0A5646E1D333AE.txt
[2/17] Compiling java_swift JNIProxy.swift
[3/17] Compiling java_swift JNIType.swift
[4/18] Compiling java_swift JNIMethod.swift
[5/18] Compiling java_swift JNIObject.swift
[6/18] Compiling java_swift JavaMap.swift
[7/18] Compiling java_swift JavaObject.swift
[8/18] Compiling java_swift JavaThread.swift
[9/18] Compiling java_swift JavaSet.swift
[10/18] Compiling java_swift Runnable.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/java_swift/Sources/Runnable.swift:44:48: error: cannot find 'strdup' in scope
42 |
43 |         let Runnable_run_0_thunk: Runnable_run_0_type = Runnable_run_0
44 |         natives.append( JNINativeMethod( name: strdup("__run"), signature: strdup("(J)V"), fnPtr: unsafeBitCast( Runnable_run_0_thunk, to: UnsafeMutableRawPointer.self ) ) )
   |                                                `- error: cannot find 'strdup' in scope
45 |
46 |         natives.append( JNINativeMethod( name: strdup("__finalize"), signature: strdup("(J)V"), fnPtr: unsafeBitCast( JNIReleasableProxy__finalize_thunk, to: UnsafeMutableRawPointer.self ) ) )
/Users/admin/builder/spi-builder-workspace/.build/checkouts/java_swift/Sources/Runnable.swift:44:76: error: cannot find 'strdup' in scope
42 |
43 |         let Runnable_run_0_thunk: Runnable_run_0_type = Runnable_run_0
44 |         natives.append( JNINativeMethod( name: strdup("__run"), signature: strdup("(J)V"), fnPtr: unsafeBitCast( Runnable_run_0_thunk, to: UnsafeMutableRawPointer.self ) ) )
   |                                                                            `- error: cannot find 'strdup' in scope
45 |
46 |         natives.append( JNINativeMethod( name: strdup("__finalize"), signature: strdup("(J)V"), fnPtr: unsafeBitCast( JNIReleasableProxy__finalize_thunk, to: UnsafeMutableRawPointer.self ) ) )
/Users/admin/builder/spi-builder-workspace/.build/checkouts/java_swift/Sources/Runnable.swift:46:48: error: cannot find 'strdup' in scope
44 |         natives.append( JNINativeMethod( name: strdup("__run"), signature: strdup("(J)V"), fnPtr: unsafeBitCast( Runnable_run_0_thunk, to: UnsafeMutableRawPointer.self ) ) )
45 |
46 |         natives.append( JNINativeMethod( name: strdup("__finalize"), signature: strdup("(J)V"), fnPtr: unsafeBitCast( JNIReleasableProxy__finalize_thunk, to: UnsafeMutableRawPointer.self ) ) )
   |                                                `- error: cannot find 'strdup' in scope
47 |
48 |         let clazz = JNI.FindClass( proxyClassName() )
/Users/admin/builder/spi-builder-workspace/.build/checkouts/java_swift/Sources/Runnable.swift:46:81: error: cannot find 'strdup' in scope
44 |         natives.append( JNINativeMethod( name: strdup("__run"), signature: strdup("(J)V"), fnPtr: unsafeBitCast( Runnable_run_0_thunk, to: UnsafeMutableRawPointer.self ) ) )
45 |
46 |         natives.append( JNINativeMethod( name: strdup("__finalize"), signature: strdup("(J)V"), fnPtr: unsafeBitCast( JNIReleasableProxy__finalize_thunk, to: UnsafeMutableRawPointer.self ) ) )
   |                                                                                 `- error: cannot find 'strdup' in scope
47 |
48 |         let clazz = JNI.FindClass( proxyClassName() )
error: emit-module command failed with exit code 1 (use -v to see invocation)
[11/18] Compiling java_swift JNICore.swift
[12/18] Compiling java_swift JNIField.swift
[13/18] Compiling java_swift Exception.swift
[14/18] Compiling java_swift HashMap.swift
[15/18] Compiling java_swift JavaClass.swift
[16/18] Compiling java_swift JavaEnum.swift
[17/18] Emitting module java_swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/java_swift/Sources/Runnable.swift:44:48: error: cannot find 'strdup' in scope
42 |
43 |         let Runnable_run_0_thunk: Runnable_run_0_type = Runnable_run_0
44 |         natives.append( JNINativeMethod( name: strdup("__run"), signature: strdup("(J)V"), fnPtr: unsafeBitCast( Runnable_run_0_thunk, to: UnsafeMutableRawPointer.self ) ) )
   |                                                `- error: cannot find 'strdup' in scope
45 |
46 |         natives.append( JNINativeMethod( name: strdup("__finalize"), signature: strdup("(J)V"), fnPtr: unsafeBitCast( JNIReleasableProxy__finalize_thunk, to: UnsafeMutableRawPointer.self ) ) )
/Users/admin/builder/spi-builder-workspace/.build/checkouts/java_swift/Sources/Runnable.swift:44:76: error: cannot find 'strdup' in scope
42 |
43 |         let Runnable_run_0_thunk: Runnable_run_0_type = Runnable_run_0
44 |         natives.append( JNINativeMethod( name: strdup("__run"), signature: strdup("(J)V"), fnPtr: unsafeBitCast( Runnable_run_0_thunk, to: UnsafeMutableRawPointer.self ) ) )
   |                                                                            `- error: cannot find 'strdup' in scope
45 |
46 |         natives.append( JNINativeMethod( name: strdup("__finalize"), signature: strdup("(J)V"), fnPtr: unsafeBitCast( JNIReleasableProxy__finalize_thunk, to: UnsafeMutableRawPointer.self ) ) )
/Users/admin/builder/spi-builder-workspace/.build/checkouts/java_swift/Sources/Runnable.swift:46:48: error: cannot find 'strdup' in scope
44 |         natives.append( JNINativeMethod( name: strdup("__run"), signature: strdup("(J)V"), fnPtr: unsafeBitCast( Runnable_run_0_thunk, to: UnsafeMutableRawPointer.self ) ) )
45 |
46 |         natives.append( JNINativeMethod( name: strdup("__finalize"), signature: strdup("(J)V"), fnPtr: unsafeBitCast( JNIReleasableProxy__finalize_thunk, to: UnsafeMutableRawPointer.self ) ) )
   |                                                `- error: cannot find 'strdup' in scope
47 |
48 |         let clazz = JNI.FindClass( proxyClassName() )
/Users/admin/builder/spi-builder-workspace/.build/checkouts/java_swift/Sources/Runnable.swift:46:81: error: cannot find 'strdup' in scope
44 |         natives.append( JNINativeMethod( name: strdup("__run"), signature: strdup("(J)V"), fnPtr: unsafeBitCast( Runnable_run_0_thunk, to: UnsafeMutableRawPointer.self ) ) )
45 |
46 |         natives.append( JNINativeMethod( name: strdup("__finalize"), signature: strdup("(J)V"), fnPtr: unsafeBitCast( JNIReleasableProxy__finalize_thunk, to: UnsafeMutableRawPointer.self ) ) )
   |                                                                                 `- error: cannot find 'strdup' in scope
47 |
48 |         let clazz = JNI.FindClass( proxyClassName() )
[18/18] Compiling java_swift Throwable.swift
warning: 'cjavavm': ignoring declared target(s) 'CJavaVM' in the system package
warning: 'cjavavm': system packages are deprecated; use system library targets instead
BUILD FAILURE 6.1 macosSpm