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Build Information

Failed to build macos-audio-tap, reference main (da0340), with Swift 6.4 for iOS using Xcode 27.0 on 12 Oct 2026 06:58:43 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme macos-audio-tap-Package -destination generic/platform=iOS

Build Log

========================================
RunAll
========================================
Builder version: 5.1.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/firedanceio/macos-audio-tap.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/firedanceio/macos-audio-tap
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at da0340c Initial release: system audio level tap for macOS
Cloned https://github.com/firedanceio/macos-audio-tap.git
Revision (git rev-parse @):
da0340cc269be981130746f8458cfe63b41a80a2
SUCCESS checkout https://github.com/firedanceio/macos-audio-tap.git at main
========================================
Build
========================================
Selected platform:         iOS
Swift version:             6.4
Building package at path:  $PWD
https://github.com/firedanceio/macos-audio-tap.git
Command line invocation:
    /Applications/Xcode-27.0.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolve Package Graph
Resolved source packages:
  macos-audio-tap: /Users/admin/builder/spi-builder-workspace
resolved source packages: macos-audio-tap
2026-10-12 02:58:07.411 xcodebuild[531:3060] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "macos-audio-tap",
  "name" : "macos-audio-tap",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "14.4"
    }
  ],
  "products" : [
    {
      "name" : "SystemAudioTap",
      "targets" : [
        "SystemAudioTap"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "audio-tap",
      "targets" : [
        "audio-tap"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "audio_tap",
      "module_type" : "SwiftTarget",
      "name" : "audio-tap",
      "path" : "Sources/audio-tap",
      "product_memberships" : [
        "audio-tap"
      ],
      "sources" : [
        "main.swift"
      ],
      "target_dependencies" : [
        "SystemAudioTap"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "SystemAudioTapTests",
      "module_type" : "SwiftTarget",
      "name" : "SystemAudioTapTests",
      "path" : "Tests/SystemAudioTapTests",
      "sources" : [
        "LevelTests.swift"
      ],
      "target_dependencies" : [
        "SystemAudioTap"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SystemAudioTap",
      "module_type" : "SwiftTarget",
      "name" : "SystemAudioTap",
      "path" : "Sources/SystemAudioTap",
      "product_memberships" : [
        "SystemAudioTap",
        "audio-tap"
      ],
      "sources" : [
        "SystemAudioTap.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
{
  "workspace" : {
    "name" : "macos-audio-tap",
    "schemes" : [
      "audio-tap",
      "macos-audio-tap-Package",
      "SystemAudioTap"
    ]
  }
}
2026-10-12 02:58:33.941 xcodebuild[626:3843] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme macos-audio-tap-Package -destination generic/platform=iOS
Command line invocation:
    /Applications/Xcode-27.0.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath /Users/admin/builder/spi-builder-workspace/.derivedData build -scheme macos-audio-tap-Package -destination generic/platform=iOS
Resolve Package Graph
Resolved source packages:
  macos-audio-tap: /Users/admin/builder/spi-builder-workspace
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (3 targets)
    Target 'audio-tap-product' in project 'macos-audio-tap'
        ➜ Explicit dependency on target 'SystemAudioTap' in project 'macos-audio-tap'
    Target 'SystemAudioTap-product' in project 'macos-audio-tap'
        ➜ Explicit dependency on target 'SystemAudioTap' in project 'macos-audio-tap'
    Target 'SystemAudioTap' in project 'macos-audio-tap' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-27.0.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-27.0.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-27.0.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-27.0.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: 1264eb13ae138e6f75bf1674543e9056
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/1264eb13ae138e6f75bf1674543e9056.xcbuilddata
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/CompilationCache.noindex
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/CompilationCache.noindex
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex
ClangStatCache /Applications/Xcode-27.0.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-27.0.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos27.0-24A430-e829b21a6f8c9b70876ba0858053c0441fbf9a8c2e33c77c19098db08c7af4fe.sdkstatcache
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    /Applications/Xcode-27.0.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-27.0.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos27.0-24A430-e829b21a6f8c9b70876ba0858053c0441fbf9a8c2e33c77c19098db08c7af4fe.sdkstatcache
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ExplicitPrecompiledModules
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ExplicitPrecompiledModules
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PrecompiledHeaders
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PrecompiledHeaders
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/EagerLinkingTBDs/Debug-iphoneos
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/EagerLinkingTBDs/Debug-iphoneos
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/PackageFrameworks
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/PackageFrameworks
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/audio-tap-p.build/audio-tap.DependencyMetadataFileList (in target 'audio-tap-product' from project 'macos-audio-tap')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/audio-tap-p.build/audio-tap.DependencyMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/audio-tap-p.build/audio-tap.DependencyStaticMetadataFileList (in target 'audio-tap-product' from project 'macos-audio-tap')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/audio-tap-p.build/audio-tap.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/SystemAudioTap-t.build/SystemAudioTap.DependencyStaticMetadataFileList (in target 'SystemAudioTap' from project 'macos-audio-tap')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/SystemAudioTap-t.build/SystemAudioTap.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/SystemAudioTap-t.build/SystemAudioTap.modulemap (in target 'SystemAudioTap' from project 'macos-audio-tap')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/SystemAudioTap-t.build/SystemAudioTap.modulemap
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/audio-tap-p.build/Objects-normal/arm64/audio-tap.SwiftFileList (in target 'audio-tap-product' from project 'macos-audio-tap')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/audio-tap-p.build/Objects-normal/arm64/audio-tap.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/audio-tap-p.build/Objects-normal/arm64/audio-tap_const_extract_protocols.json (in target 'audio-tap-product' from project 'macos-audio-tap')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/audio-tap-p.build/Objects-normal/arm64/audio-tap_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/audio-tap-p.build/Objects-normal/arm64/audio-tap.LinkFileList (in target 'audio-tap-product' from project 'macos-audio-tap')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/audio-tap-p.build/Objects-normal/arm64/audio-tap.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/audio-tap-p.build/Objects-normal/arm64/audio-tap-OutputFileMap.json (in target 'audio-tap-product' from project 'macos-audio-tap')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/audio-tap-p.build/Objects-normal/arm64/audio-tap-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/SystemAudioTap-t.build/SystemAudioTap.DependencyMetadataFileList (in target 'SystemAudioTap' from project 'macos-audio-tap')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/SystemAudioTap-t.build/SystemAudioTap.DependencyMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/SystemAudioTap-t.build/Objects-normal/arm64/SystemAudioTap.SwiftConstValuesFileList (in target 'SystemAudioTap' from project 'macos-audio-tap')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/SystemAudioTap-t.build/Objects-normal/arm64/SystemAudioTap.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/SystemAudioTap-t.build/Objects-normal/arm64/SystemAudioTap_const_extract_protocols.json (in target 'SystemAudioTap' from project 'macos-audio-tap')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/SystemAudioTap-t.build/Objects-normal/arm64/SystemAudioTap_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/SystemAudioTap-t.build/Objects-normal/arm64/SystemAudioTap.SwiftFileList (in target 'SystemAudioTap' from project 'macos-audio-tap')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/SystemAudioTap-t.build/Objects-normal/arm64/SystemAudioTap.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/SystemAudioTap-t.build/Objects-normal/arm64/SystemAudioTap.LinkFileList (in target 'SystemAudioTap' from project 'macos-audio-tap')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/SystemAudioTap-t.build/Objects-normal/arm64/SystemAudioTap.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/SystemAudioTap-t.build/Objects-normal/arm64/SystemAudioTap-OutputFileMap.json (in target 'SystemAudioTap' from project 'macos-audio-tap')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/SystemAudioTap-t.build/Objects-normal/arm64/SystemAudioTap-OutputFileMap.json
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-iphoneos/SystemAudioTap.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/SystemAudioTap-t.build/SystemAudioTap.modulemap (in target 'SystemAudioTap' from project 'macos-audio-tap')
    cd /Users/admin/builder/spi-builder-workspace
    builtin-copy -exclude .DS_Store -exclude CVS -exclude .svn -exclude .git -exclude .hg -resolve-src-symlinks /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/SystemAudioTap-t.build/SystemAudioTap.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-iphoneos
SwiftDriver SystemAudioTap normal arm64 com.apple.xcode.tools.swift.compiler (in target 'SystemAudioTap' from project 'macos-audio-tap')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftDriver -- /Applications/Xcode-27.0.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -parse-as-library -module-name SystemAudioTap -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/SystemAudioTap-t.build/Objects-normal/arm64/SystemAudioTap.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-27.0.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-27.0.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk -target arm64-apple-ios15.0 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -profile-coverage-mapping -profile-generate -enable-testing -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -swift-version 5 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -Isystem /Applications/Xcode-27.0.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -F /Applications/Xcode-27.0.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos27.0-24A430-e829b21a6f8c9b70876ba0858053c0441fbf9a8c2e33c77c19098db08c7af4fe.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/SystemAudioTap-t.build/Objects-normal/arm64/SystemAudioTap-OutputFileMap.json -save-temps -no-color-diagnostics -explicit-module-build -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -clang-scanner-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -sdk-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/SystemAudioTap-t.build/Objects-normal/arm64/SystemAudioTap.swiftmodule -serialize-diagnostics -dependency-scan-serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/SystemAudioTap-t.build/Objects-normal/arm64/SystemAudioTap-dependency-scan.dia -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -package-name spi_builder_workspace -emit-const-values -const-gather-protocols-list /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/SystemAudioTap-t.build/Objects-normal/arm64/SystemAudioTap_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/SystemAudioTap-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/SystemAudioTap-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/SystemAudioTap-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -emit-objc-header -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/SystemAudioTap-t.build/Objects-normal/arm64/SystemAudioTap-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/SwiftShims-80IV2SXXMD6UWWJK5KDMFN3JP.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/ptrcheck-8B1JGXVGSU0PQZY1PI7LIZXJA.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_float-B6ZDTO8YQFE5QS1ZTYQVZACP9.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_stdarg-6JJ7PG4459BXGC21MCB8RSJ2Z.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_stdbool-3UMAVF4CJEHEW2DQ9RM0PBNEN.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_SwiftConcurrencyShims-BNBHUJR8DNOXJ53XRKO2IDKU1.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_stddef-S1CLSX0E27HPJ38P6Z4Q1AV9.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_AvailabilityInternal-9BK4SLHL7MQ0KF8N0D7QG8MEG.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/ptrauth-9H6XZYFZGKAJ0F3KREX4OU9Q5.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_DarwinFoundation1-CHIOQM7M36ZB1V10D5SN4H5J2.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_DarwinFoundation2-9K39442Y0CCTM6GV7UNG6W5IJ.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_limits-C445UH1G09EGEYBDJEIZ68CW5.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_stdint-3EJORLEHVK1QQGN62YUOBG2MF.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/sys_types-AE42XZ3X8UMD1SFOCROASLZQQ.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/string_h-UM5WL5DWJ6V4CNMVZ1USM1OU.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_DarwinFoundation3-2VBY9F03XM8M9KI7NNV02ZM7Y.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_inttypes-6RPYD0BR435HCPYCX7Z4E8MY3.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/Darwin-CG5HLAM5L8JEFCH52IDW2ZU7B.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/ObjectiveC-9N2P3ELD8VIW1PY09SLF128E7.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/os_object-BK83XV1RPEIL5B7K0FR08WTGN.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/os_workgroup-D5K6VIN0YT3M46CBZHZ33CRFK.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/Dispatch-7LJ6ZB7EACWLFWE3542JX3QCZ.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/CoreFoundation-3QLCDC2UGIJYWS078TNKCWC5H.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/XPC-UXXZ3CKE778P774HQOE9WGHV.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/CoreAudioTypes-A3QAE45NIQDULS4PVRGU5BOHJ.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/CFNetwork-DLX43TZI8GO5T0O2FNYM8DD1B.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/Security-2MAYYNSW72Q1TSVGP7NA72FIQ.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/CoreAudio-BAH3F1JJWULRK3ILCJRIVVH3.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/Foundation-7GIUERKQTJPOTVSS0JN310RWL.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/CoreMIDI-AMWQPPXLEBTEVZ0EEO6IDOC5N.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/AudioToolbox-2MTFOM8MQ25T06PXICWNDV2P5.pcm
SwiftEmitModule normal arm64 Emitting\ module\ for\ SystemAudioTap (in target 'SystemAudioTap' from project 'macos-audio-tap')
/Users/admin/builder/spi-builder-workspace/Sources/SystemAudioTap/SystemAudioTap.swift:43:24: error: cannot find type 'AudioObjectID' in scope
 41 | /// from a quiet room by API result alone.
 42 | public final class SystemAudioTap {
 43 |     private var tapID: AudioObjectID = kAudioObjectUnknown
    |                        `- error: cannot find type 'AudioObjectID' in scope
 44 |     private var aggregateDeviceID: AudioObjectID = kAudioObjectUnknown
 45 |     private var ioProcID: AudioDeviceIOProcID?
/Users/admin/builder/spi-builder-workspace/Sources/SystemAudioTap/SystemAudioTap.swift:43:40: error: cannot find 'kAudioObjectUnknown' in scope
 41 | /// from a quiet room by API result alone.
 42 | public final class SystemAudioTap {
 43 |     private var tapID: AudioObjectID = kAudioObjectUnknown
    |                                        `- error: cannot find 'kAudioObjectUnknown' in scope
 44 |     private var aggregateDeviceID: AudioObjectID = kAudioObjectUnknown
 45 |     private var ioProcID: AudioDeviceIOProcID?
/Users/admin/builder/spi-builder-workspace/Sources/SystemAudioTap/SystemAudioTap.swift:44:36: error: cannot find type 'AudioObjectID' in scope
 42 | public final class SystemAudioTap {
 43 |     private var tapID: AudioObjectID = kAudioObjectUnknown
 44 |     private var aggregateDeviceID: AudioObjectID = kAudioObjectUnknown
    |                                    `- error: cannot find type 'AudioObjectID' in scope
 45 |     private var ioProcID: AudioDeviceIOProcID?
 46 |     private var tapFormat = AudioStreamBasicDescription()
/Users/admin/builder/spi-builder-workspace/Sources/SystemAudioTap/SystemAudioTap.swift:44:52: error: cannot find 'kAudioObjectUnknown' in scope
 42 | public final class SystemAudioTap {
 43 |     private var tapID: AudioObjectID = kAudioObjectUnknown
 44 |     private var aggregateDeviceID: AudioObjectID = kAudioObjectUnknown
    |                                                    `- error: cannot find 'kAudioObjectUnknown' in scope
 45 |     private var ioProcID: AudioDeviceIOProcID?
 46 |     private var tapFormat = AudioStreamBasicDescription()
/Users/admin/builder/spi-builder-workspace/Sources/SystemAudioTap/SystemAudioTap.swift:45:27: error: cannot find type 'AudioDeviceIOProcID' in scope
 43 |     private var tapID: AudioObjectID = kAudioObjectUnknown
 44 |     private var aggregateDeviceID: AudioObjectID = kAudioObjectUnknown
 45 |     private var ioProcID: AudioDeviceIOProcID?
    |                           `- error: cannot find type 'AudioDeviceIOProcID' in scope
 46 |     private var tapFormat = AudioStreamBasicDescription()
 47 |
/Users/admin/builder/spi-builder-workspace/Sources/SystemAudioTap/SystemAudioTap.swift:60:44: error: cannot find type 'AudioObjectPropertyListenerBlock' in scope
 58 |     public var onOutputDeviceChanged: ((String) -> Void)?
 59 |
 60 |     private var outputDeviceListenerBlock: AudioObjectPropertyListenerBlock?
    |                                            `- error: cannot find type 'AudioObjectPropertyListenerBlock' in scope
 61 |     private var outputDeviceListenerQueue: DispatchQueue?
 62 |
/Users/admin/builder/spi-builder-workspace/Sources/SystemAudioTap/SystemAudioTap.swift:215:46: error: cannot find type 'AudioObjectPropertyAddress' in scope
213 |     // MARK: Property helpers
214 |
215 |     private static var defaultOutputAddress: AudioObjectPropertyAddress {
    |                                              `- error: cannot find type 'AudioObjectPropertyAddress' in scope
216 |         AudioObjectPropertyAddress(
217 |             mSelector: kAudioHardwarePropertyDefaultSystemOutputDevice,
/Users/admin/builder/spi-builder-workspace/Sources/SystemAudioTap/SystemAudioTap.swift:223:67: error: cannot find type 'AudioObjectID' in scope
221 |     }
222 |
223 |     private static func readDefaultSystemOutputDevice() throws -> AudioObjectID {
    |                                                                   `- error: cannot find type 'AudioObjectID' in scope
224 |         var address = defaultOutputAddress
225 |         var deviceID = AudioObjectID(kAudioObjectUnknown)
/Users/admin/builder/spi-builder-workspace/Sources/SystemAudioTap/SystemAudioTap.swift:232:56: error: cannot find type 'AudioObjectID' in scope
230 |     }
231 |
232 |     private static func readStringProperty(_ objectID: AudioObjectID, _ selector: AudioObjectPropertySelector) throws -> String {
    |                                                        `- error: cannot find type 'AudioObjectID' in scope
233 |         var address = AudioObjectPropertyAddress(mSelector: selector, mScope: kAudioObjectPropertyScopeGlobal, mElement: kAudioObjectPropertyElementMain)
234 |         var value: CFString = "" as CFString
/Users/admin/builder/spi-builder-workspace/Sources/SystemAudioTap/SystemAudioTap.swift:232:83: error: cannot find type 'AudioObjectPropertySelector' in scope
230 |     }
231 |
232 |     private static func readStringProperty(_ objectID: AudioObjectID, _ selector: AudioObjectPropertySelector) throws -> String {
    |                                                                                   `- error: cannot find type 'AudioObjectPropertySelector' in scope
233 |         var address = AudioObjectPropertyAddress(mSelector: selector, mScope: kAudioObjectPropertyScopeGlobal, mElement: kAudioObjectPropertyElementMain)
234 |         var value: CFString = "" as CFString
Failed frontend command:
SwiftCompile normal arm64 (in target 'SystemAudioTap' from project 'macos-audio-tap')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

/Applications/Xcode-27.0.0.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/SystemAudioTap/SystemAudioTap.swift -target arm64-apple-ios15.0 -disable-cross-import-overlay-search -load-resolved-plugin /Applications/Xcode-27.0.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib/swift/host/plugins/libFoundationMacros.dylib\#/Applications/Xcode-27.0.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/swift-plugin-server\#FoundationMacros -load-resolved-plugin /Applications/Xcode-27.0.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib/swift/host/plugins/libObservationMacros.dylib\#/Applications/Xcode-27.0.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/swift-plugin-server\#ObservationMacros -load-resolved-plugin /Applications/Xcode-27.0.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib/swift/host/plugins/libSwiftMacros.dylib\#/Applications/Xcode-27.0.0.app/Contents/Developer/Platforms/iPhoneOS.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/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/SystemAudioTap-t.build/Objects-normal/arm64/SystemAudioTap-dependencies-1.json -Xllvm -aarch64-use-tbi -enable-objc-interop -stack-check -sdk /Applications/Xcode-27.0.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -Isystem /Applications/Xcode-27.0.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -F /Applications/Xcode-27.0.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk/Developer/Library/Frameworks -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -no-color-diagnostics -Xcc -fno-color-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -profile-generate -profile-coverage-mapping -swift-version 5 -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/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -enable-anonymous-context-mangled-names -file-compilation-dir /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos27.0-24A430-e829b21a6f8c9b70876ba0858053c0441fbf9a8c2e33c77c19098db08c7af4fe.sdkstatcache -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/SystemAudioTap-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/SystemAudioTap-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/SystemAudioTap-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name SystemAudioTap -package-name spi_builder_workspace -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/SystemAudioTap-t.build/Objects-normal/arm64/SystemAudioTap_const_extract_protocols.json -disable-clang-spi -clang-target arm64-apple-ios27.0 -target-sdk-version 27.0 -target-sdk-name iphoneos27.0 -in-process-plugin-server-path /Applications/Xcode-27.0.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -emit-module-doc-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/SystemAudioTap-t.build/Objects-normal/arm64/SystemAudioTap.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/SystemAudioTap-t.build/Objects-normal/arm64/SystemAudioTap.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/SystemAudioTap-t.build/Objects-normal/arm64/SystemAudioTap-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/SystemAudioTap-t.build/Objects-normal/arm64/SystemAudioTap-primary-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/SystemAudioTap-t.build/Objects-normal/arm64/SystemAudioTap-primary-emit-module.d -parse-as-library -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/SystemAudioTap-t.build/Objects-normal/arm64/SystemAudioTap.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/SystemAudioTap-t.build/Objects-normal/arm64/SystemAudioTap.abi.json
SwiftCompile normal arm64 Compiling\ SystemAudioTap.swift /Users/admin/builder/spi-builder-workspace/Sources/SystemAudioTap/SystemAudioTap.swift (in target 'SystemAudioTap' from project 'macos-audio-tap')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SystemAudioTap/SystemAudioTap.swift (in target 'SystemAudioTap' from project 'macos-audio-tap')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile SystemAudioTap.swift
/Users/admin/builder/spi-builder-workspace/Sources/SystemAudioTap/SystemAudioTap.swift:43:24: error: cannot find type 'AudioObjectID' in scope
 41 | /// from a quiet room by API result alone.
 42 | public final class SystemAudioTap {
 43 |     private var tapID: AudioObjectID = kAudioObjectUnknown
    |                        `- error: cannot find type 'AudioObjectID' in scope
 44 |     private var aggregateDeviceID: AudioObjectID = kAudioObjectUnknown
 45 |     private var ioProcID: AudioDeviceIOProcID?
/Users/admin/builder/spi-builder-workspace/Sources/SystemAudioTap/SystemAudioTap.swift:43:40: error: cannot find 'kAudioObjectUnknown' in scope
 41 | /// from a quiet room by API result alone.
 42 | public final class SystemAudioTap {
 43 |     private var tapID: AudioObjectID = kAudioObjectUnknown
    |                                        `- error: cannot find 'kAudioObjectUnknown' in scope
 44 |     private var aggregateDeviceID: AudioObjectID = kAudioObjectUnknown
 45 |     private var ioProcID: AudioDeviceIOProcID?
/Users/admin/builder/spi-builder-workspace/Sources/SystemAudioTap/SystemAudioTap.swift:44:36: error: cannot find type 'AudioObjectID' in scope
 42 | public final class SystemAudioTap {
 43 |     private var tapID: AudioObjectID = kAudioObjectUnknown
 44 |     private var aggregateDeviceID: AudioObjectID = kAudioObjectUnknown
    |                                    `- error: cannot find type 'AudioObjectID' in scope
 45 |     private var ioProcID: AudioDeviceIOProcID?
 46 |     private var tapFormat = AudioStreamBasicDescription()
/Users/admin/builder/spi-builder-workspace/Sources/SystemAudioTap/SystemAudioTap.swift:44:52: error: cannot find 'kAudioObjectUnknown' in scope
 42 | public final class SystemAudioTap {
 43 |     private var tapID: AudioObjectID = kAudioObjectUnknown
 44 |     private var aggregateDeviceID: AudioObjectID = kAudioObjectUnknown
    |                                                    `- error: cannot find 'kAudioObjectUnknown' in scope
 45 |     private var ioProcID: AudioDeviceIOProcID?
 46 |     private var tapFormat = AudioStreamBasicDescription()
/Users/admin/builder/spi-builder-workspace/Sources/SystemAudioTap/SystemAudioTap.swift:45:27: error: cannot find type 'AudioDeviceIOProcID' in scope
 43 |     private var tapID: AudioObjectID = kAudioObjectUnknown
 44 |     private var aggregateDeviceID: AudioObjectID = kAudioObjectUnknown
 45 |     private var ioProcID: AudioDeviceIOProcID?
    |                           `- error: cannot find type 'AudioDeviceIOProcID' in scope
 46 |     private var tapFormat = AudioStreamBasicDescription()
 47 |
/Users/admin/builder/spi-builder-workspace/Sources/SystemAudioTap/SystemAudioTap.swift:60:44: error: cannot find type 'AudioObjectPropertyListenerBlock' in scope
 58 |     public var onOutputDeviceChanged: ((String) -> Void)?
 59 |
 60 |     private var outputDeviceListenerBlock: AudioObjectPropertyListenerBlock?
    |                                            `- error: cannot find type 'AudioObjectPropertyListenerBlock' in scope
 61 |     private var outputDeviceListenerQueue: DispatchQueue?
 62 |
/Users/admin/builder/spi-builder-workspace/Sources/SystemAudioTap/SystemAudioTap.swift:215:46: error: cannot find type 'AudioObjectPropertyAddress' in scope
213 |     // MARK: Property helpers
214 |
215 |     private static var defaultOutputAddress: AudioObjectPropertyAddress {
    |                                              `- error: cannot find type 'AudioObjectPropertyAddress' in scope
216 |         AudioObjectPropertyAddress(
217 |             mSelector: kAudioHardwarePropertyDefaultSystemOutputDevice,
/Users/admin/builder/spi-builder-workspace/Sources/SystemAudioTap/SystemAudioTap.swift:223:67: error: cannot find type 'AudioObjectID' in scope
221 |     }
222 |
223 |     private static func readDefaultSystemOutputDevice() throws -> AudioObjectID {
    |                                                                   `- error: cannot find type 'AudioObjectID' in scope
224 |         var address = defaultOutputAddress
225 |         var deviceID = AudioObjectID(kAudioObjectUnknown)
/Users/admin/builder/spi-builder-workspace/Sources/SystemAudioTap/SystemAudioTap.swift:232:56: error: cannot find type 'AudioObjectID' in scope
230 |     }
231 |
232 |     private static func readStringProperty(_ objectID: AudioObjectID, _ selector: AudioObjectPropertySelector) throws -> String {
    |                                                        `- error: cannot find type 'AudioObjectID' in scope
233 |         var address = AudioObjectPropertyAddress(mSelector: selector, mScope: kAudioObjectPropertyScopeGlobal, mElement: kAudioObjectPropertyElementMain)
234 |         var value: CFString = "" as CFString
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ExplicitPrecompiledModules
2026-10-12 02:58:35.372 xcodebuild[627:3887] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
	SwiftCompile normal arm64 (in target 'SystemAudioTap' from project 'macos-audio-tap')
	SwiftEmitModule normal arm64 Emitting\ module\ for\ SystemAudioTap (in target 'SystemAudioTap' from project 'macos-audio-tap')
	Building workspace macos-audio-tap with scheme macos-audio-tap-Package
(3 failures)
Command line invocation:
    /Applications/Xcode-27.0.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolved source packages:
  macos-audio-tap: /Users/admin/builder/spi-builder-workspace
resolved source packages: macos-audio-tap
2026-10-12 02:58:40.249 xcodebuild[697:4297] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "macos-audio-tap",
  "name" : "macos-audio-tap",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "14.4"
    }
  ],
  "products" : [
    {
      "name" : "SystemAudioTap",
      "targets" : [
        "SystemAudioTap"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "audio-tap",
      "targets" : [
        "audio-tap"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "audio_tap",
      "module_type" : "SwiftTarget",
      "name" : "audio-tap",
      "path" : "Sources/audio-tap",
      "product_memberships" : [
        "audio-tap"
      ],
      "sources" : [
        "main.swift"
      ],
      "target_dependencies" : [
        "SystemAudioTap"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "SystemAudioTapTests",
      "module_type" : "SwiftTarget",
      "name" : "SystemAudioTapTests",
      "path" : "Tests/SystemAudioTapTests",
      "sources" : [
        "LevelTests.swift"
      ],
      "target_dependencies" : [
        "SystemAudioTap"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SystemAudioTap",
      "module_type" : "SwiftTarget",
      "name" : "SystemAudioTap",
      "path" : "Sources/SystemAudioTap",
      "product_memberships" : [
        "SystemAudioTap",
        "audio-tap"
      ],
      "sources" : [
        "SystemAudioTap.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
{
  "workspace" : {
    "name" : "macos-audio-tap",
    "schemes" : [
      "audio-tap",
      "macos-audio-tap-Package",
      "SystemAudioTap"
    ]
  }
}
2026-10-12 02:58:41.502 xcodebuild[705:4375] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme macos-audio-tap-Package -destination generic/platform=iOS
Command line invocation:
    /Applications/Xcode-27.0.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath /Users/admin/builder/spi-builder-workspace/.derivedData build -scheme macos-audio-tap-Package -destination generic/platform=iOS
Resolve Package Graph
Resolved source packages:
  macos-audio-tap: /Users/admin/builder/spi-builder-workspace
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (3 targets)
    Target 'audio-tap-product' in project 'macos-audio-tap'
        ➜ Explicit dependency on target 'SystemAudioTap' in project 'macos-audio-tap'
    Target 'SystemAudioTap-product' in project 'macos-audio-tap'
        ➜ Explicit dependency on target 'SystemAudioTap' in project 'macos-audio-tap'
    Target 'SystemAudioTap' in project 'macos-audio-tap' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ClangStatCache /Applications/Xcode-27.0.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-27.0.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos27.0-24A430-e829b21a6f8c9b70876ba0858053c0441fbf9a8c2e33c77c19098db08c7af4fe.sdkstatcache
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    /Applications/Xcode-27.0.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-27.0.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos27.0-24A430-e829b21a6f8c9b70876ba0858053c0441fbf9a8c2e33c77c19098db08c7af4fe.sdkstatcache
SwiftDriver SystemAudioTap normal arm64 com.apple.xcode.tools.swift.compiler (in target 'SystemAudioTap' from project 'macos-audio-tap')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftDriver -- /Applications/Xcode-27.0.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -parse-as-library -module-name SystemAudioTap -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/SystemAudioTap-t.build/Objects-normal/arm64/SystemAudioTap.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-27.0.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-27.0.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk -target arm64-apple-ios15.0 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -profile-coverage-mapping -profile-generate -enable-testing -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -swift-version 5 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -Isystem /Applications/Xcode-27.0.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -F /Applications/Xcode-27.0.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos27.0-24A430-e829b21a6f8c9b70876ba0858053c0441fbf9a8c2e33c77c19098db08c7af4fe.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/SystemAudioTap-t.build/Objects-normal/arm64/SystemAudioTap-OutputFileMap.json -save-temps -no-color-diagnostics -explicit-module-build -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -clang-scanner-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -sdk-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/SystemAudioTap-t.build/Objects-normal/arm64/SystemAudioTap.swiftmodule -serialize-diagnostics -dependency-scan-serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/SystemAudioTap-t.build/Objects-normal/arm64/SystemAudioTap-dependency-scan.dia -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -package-name spi_builder_workspace -emit-const-values -const-gather-protocols-list /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/SystemAudioTap-t.build/Objects-normal/arm64/SystemAudioTap_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/SystemAudioTap-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/SystemAudioTap-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/SystemAudioTap-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -emit-objc-header -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/SystemAudioTap-t.build/Objects-normal/arm64/SystemAudioTap-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftCompile normal arm64 Compiling\ SystemAudioTap.swift /Users/admin/builder/spi-builder-workspace/Sources/SystemAudioTap/SystemAudioTap.swift (in target 'SystemAudioTap' from project 'macos-audio-tap')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SystemAudioTap/SystemAudioTap.swift (in target 'SystemAudioTap' from project 'macos-audio-tap')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile SystemAudioTap.swift
/Users/admin/builder/spi-builder-workspace/Sources/SystemAudioTap/SystemAudioTap.swift:43:24: error: cannot find type 'AudioObjectID' in scope
 41 | /// from a quiet room by API result alone.
 42 | public final class SystemAudioTap {
 43 |     private var tapID: AudioObjectID = kAudioObjectUnknown
    |                        `- error: cannot find type 'AudioObjectID' in scope
 44 |     private var aggregateDeviceID: AudioObjectID = kAudioObjectUnknown
 45 |     private var ioProcID: AudioDeviceIOProcID?
/Users/admin/builder/spi-builder-workspace/Sources/SystemAudioTap/SystemAudioTap.swift:43:40: error: cannot find 'kAudioObjectUnknown' in scope
 41 | /// from a quiet room by API result alone.
 42 | public final class SystemAudioTap {
 43 |     private var tapID: AudioObjectID = kAudioObjectUnknown
    |                                        `- error: cannot find 'kAudioObjectUnknown' in scope
 44 |     private var aggregateDeviceID: AudioObjectID = kAudioObjectUnknown
 45 |     private var ioProcID: AudioDeviceIOProcID?
/Users/admin/builder/spi-builder-workspace/Sources/SystemAudioTap/SystemAudioTap.swift:44:36: error: cannot find type 'AudioObjectID' in scope
 42 | public final class SystemAudioTap {
 43 |     private var tapID: AudioObjectID = kAudioObjectUnknown
 44 |     private var aggregateDeviceID: AudioObjectID = kAudioObjectUnknown
    |                                    `- error: cannot find type 'AudioObjectID' in scope
 45 |     private var ioProcID: AudioDeviceIOProcID?
 46 |     private var tapFormat = AudioStreamBasicDescription()
/Users/admin/builder/spi-builder-workspace/Sources/SystemAudioTap/SystemAudioTap.swift:44:52: error: cannot find 'kAudioObjectUnknown' in scope
 42 | public final class SystemAudioTap {
 43 |     private var tapID: AudioObjectID = kAudioObjectUnknown
 44 |     private var aggregateDeviceID: AudioObjectID = kAudioObjectUnknown
    |                                                    `- error: cannot find 'kAudioObjectUnknown' in scope
 45 |     private var ioProcID: AudioDeviceIOProcID?
 46 |     private var tapFormat = AudioStreamBasicDescription()
/Users/admin/builder/spi-builder-workspace/Sources/SystemAudioTap/SystemAudioTap.swift:45:27: error: cannot find type 'AudioDeviceIOProcID' in scope
 43 |     private var tapID: AudioObjectID = kAudioObjectUnknown
 44 |     private var aggregateDeviceID: AudioObjectID = kAudioObjectUnknown
 45 |     private var ioProcID: AudioDeviceIOProcID?
    |                           `- error: cannot find type 'AudioDeviceIOProcID' in scope
 46 |     private var tapFormat = AudioStreamBasicDescription()
 47 |
/Users/admin/builder/spi-builder-workspace/Sources/SystemAudioTap/SystemAudioTap.swift:60:44: error: cannot find type 'AudioObjectPropertyListenerBlock' in scope
 58 |     public var onOutputDeviceChanged: ((String) -> Void)?
 59 |
 60 |     private var outputDeviceListenerBlock: AudioObjectPropertyListenerBlock?
    |                                            `- error: cannot find type 'AudioObjectPropertyListenerBlock' in scope
 61 |     private var outputDeviceListenerQueue: DispatchQueue?
 62 |
/Users/admin/builder/spi-builder-workspace/Sources/SystemAudioTap/SystemAudioTap.swift:215:46: error: cannot find type 'AudioObjectPropertyAddress' in scope
213 |     // MARK: Property helpers
214 |
215 |     private static var defaultOutputAddress: AudioObjectPropertyAddress {
    |                                              `- error: cannot find type 'AudioObjectPropertyAddress' in scope
216 |         AudioObjectPropertyAddress(
217 |             mSelector: kAudioHardwarePropertyDefaultSystemOutputDevice,
/Users/admin/builder/spi-builder-workspace/Sources/SystemAudioTap/SystemAudioTap.swift:223:67: error: cannot find type 'AudioObjectID' in scope
221 |     }
222 |
223 |     private static func readDefaultSystemOutputDevice() throws -> AudioObjectID {
    |                                                                   `- error: cannot find type 'AudioObjectID' in scope
224 |         var address = defaultOutputAddress
225 |         var deviceID = AudioObjectID(kAudioObjectUnknown)
/Users/admin/builder/spi-builder-workspace/Sources/SystemAudioTap/SystemAudioTap.swift:232:56: error: cannot find type 'AudioObjectID' in scope
230 |     }
231 |
232 |     private static func readStringProperty(_ objectID: AudioObjectID, _ selector: AudioObjectPropertySelector) throws -> String {
    |                                                        `- error: cannot find type 'AudioObjectID' in scope
233 |         var address = AudioObjectPropertyAddress(mSelector: selector, mScope: kAudioObjectPropertyScopeGlobal, mElement: kAudioObjectPropertyElementMain)
234 |         var value: CFString = "" as CFString
SwiftEmitModule normal arm64 Emitting\ module\ for\ SystemAudioTap (in target 'SystemAudioTap' from project 'macos-audio-tap')
/Users/admin/builder/spi-builder-workspace/Sources/SystemAudioTap/SystemAudioTap.swift:43:24: error: cannot find type 'AudioObjectID' in scope
 41 | /// from a quiet room by API result alone.
 42 | public final class SystemAudioTap {
 43 |     private var tapID: AudioObjectID = kAudioObjectUnknown
    |                        `- error: cannot find type 'AudioObjectID' in scope
 44 |     private var aggregateDeviceID: AudioObjectID = kAudioObjectUnknown
 45 |     private var ioProcID: AudioDeviceIOProcID?
/Users/admin/builder/spi-builder-workspace/Sources/SystemAudioTap/SystemAudioTap.swift:43:40: error: cannot find 'kAudioObjectUnknown' in scope
 41 | /// from a quiet room by API result alone.
 42 | public final class SystemAudioTap {
 43 |     private var tapID: AudioObjectID = kAudioObjectUnknown
    |                                        `- error: cannot find 'kAudioObjectUnknown' in scope
 44 |     private var aggregateDeviceID: AudioObjectID = kAudioObjectUnknown
 45 |     private var ioProcID: AudioDeviceIOProcID?
/Users/admin/builder/spi-builder-workspace/Sources/SystemAudioTap/SystemAudioTap.swift:44:36: error: cannot find type 'AudioObjectID' in scope
 42 | public final class SystemAudioTap {
 43 |     private var tapID: AudioObjectID = kAudioObjectUnknown
 44 |     private var aggregateDeviceID: AudioObjectID = kAudioObjectUnknown
    |                                    `- error: cannot find type 'AudioObjectID' in scope
 45 |     private var ioProcID: AudioDeviceIOProcID?
 46 |     private var tapFormat = AudioStreamBasicDescription()
/Users/admin/builder/spi-builder-workspace/Sources/SystemAudioTap/SystemAudioTap.swift:44:52: error: cannot find 'kAudioObjectUnknown' in scope
 42 | public final class SystemAudioTap {
 43 |     private var tapID: AudioObjectID = kAudioObjectUnknown
 44 |     private var aggregateDeviceID: AudioObjectID = kAudioObjectUnknown
    |                                                    `- error: cannot find 'kAudioObjectUnknown' in scope
 45 |     private var ioProcID: AudioDeviceIOProcID?
 46 |     private var tapFormat = AudioStreamBasicDescription()
/Users/admin/builder/spi-builder-workspace/Sources/SystemAudioTap/SystemAudioTap.swift:45:27: error: cannot find type 'AudioDeviceIOProcID' in scope
 43 |     private var tapID: AudioObjectID = kAudioObjectUnknown
 44 |     private var aggregateDeviceID: AudioObjectID = kAudioObjectUnknown
 45 |     private var ioProcID: AudioDeviceIOProcID?
    |                           `- error: cannot find type 'AudioDeviceIOProcID' in scope
 46 |     private var tapFormat = AudioStreamBasicDescription()
 47 |
/Users/admin/builder/spi-builder-workspace/Sources/SystemAudioTap/SystemAudioTap.swift:60:44: error: cannot find type 'AudioObjectPropertyListenerBlock' in scope
 58 |     public var onOutputDeviceChanged: ((String) -> Void)?
 59 |
 60 |     private var outputDeviceListenerBlock: AudioObjectPropertyListenerBlock?
    |                                            `- error: cannot find type 'AudioObjectPropertyListenerBlock' in scope
 61 |     private var outputDeviceListenerQueue: DispatchQueue?
 62 |
/Users/admin/builder/spi-builder-workspace/Sources/SystemAudioTap/SystemAudioTap.swift:215:46: error: cannot find type 'AudioObjectPropertyAddress' in scope
213 |     // MARK: Property helpers
214 |
215 |     private static var defaultOutputAddress: AudioObjectPropertyAddress {
    |                                              `- error: cannot find type 'AudioObjectPropertyAddress' in scope
216 |         AudioObjectPropertyAddress(
217 |             mSelector: kAudioHardwarePropertyDefaultSystemOutputDevice,
/Users/admin/builder/spi-builder-workspace/Sources/SystemAudioTap/SystemAudioTap.swift:223:67: error: cannot find type 'AudioObjectID' in scope
221 |     }
222 |
223 |     private static func readDefaultSystemOutputDevice() throws -> AudioObjectID {
    |                                                                   `- error: cannot find type 'AudioObjectID' in scope
224 |         var address = defaultOutputAddress
225 |         var deviceID = AudioObjectID(kAudioObjectUnknown)
/Users/admin/builder/spi-builder-workspace/Sources/SystemAudioTap/SystemAudioTap.swift:232:56: error: cannot find type 'AudioObjectID' in scope
230 |     }
231 |
232 |     private static func readStringProperty(_ objectID: AudioObjectID, _ selector: AudioObjectPropertySelector) throws -> String {
    |                                                        `- error: cannot find type 'AudioObjectID' in scope
233 |         var address = AudioObjectPropertyAddress(mSelector: selector, mScope: kAudioObjectPropertyScopeGlobal, mElement: kAudioObjectPropertyElementMain)
234 |         var value: CFString = "" as CFString
/Users/admin/builder/spi-builder-workspace/Sources/SystemAudioTap/SystemAudioTap.swift:232:83: error: cannot find type 'AudioObjectPropertySelector' in scope
230 |     }
231 |
232 |     private static func readStringProperty(_ objectID: AudioObjectID, _ selector: AudioObjectPropertySelector) throws -> String {
    |                                                                                   `- error: cannot find type 'AudioObjectPropertySelector' in scope
233 |         var address = AudioObjectPropertyAddress(mSelector: selector, mScope: kAudioObjectPropertyScopeGlobal, mElement: kAudioObjectPropertyElementMain)
234 |         var value: CFString = "" as CFString
Failed frontend command:
/Applications/Xcode-27.0.0.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/SystemAudioTap/SystemAudioTap.swift -target arm64-apple-ios15.0 -disable-cross-import-overlay-search -load-resolved-plugin /Applications/Xcode-27.0.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib/swift/host/plugins/libFoundationMacros.dylib\#/Applications/Xcode-27.0.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/swift-plugin-server\#FoundationMacros -load-resolved-plugin /Applications/Xcode-27.0.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib/swift/host/plugins/libObservationMacros.dylib\#/Applications/Xcode-27.0.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/swift-plugin-server\#ObservationMacros -load-resolved-plugin /Applications/Xcode-27.0.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib/swift/host/plugins/libSwiftMacros.dylib\#/Applications/Xcode-27.0.0.app/Contents/Developer/Platforms/iPhoneOS.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/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/SystemAudioTap-t.build/Objects-normal/arm64/SystemAudioTap-dependencies-1.json -Xllvm -aarch64-use-tbi -enable-objc-interop -stack-check -sdk /Applications/Xcode-27.0.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -Isystem /Applications/Xcode-27.0.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -F /Applications/Xcode-27.0.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk/Developer/Library/Frameworks -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -no-color-diagnostics -Xcc -fno-color-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -profile-generate -profile-coverage-mapping -swift-version 5 -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/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -enable-anonymous-context-mangled-names -file-compilation-dir /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos27.0-24A430-e829b21a6f8c9b70876ba0858053c0441fbf9a8c2e33c77c19098db08c7af4fe.sdkstatcache -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/SystemAudioTap-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/SystemAudioTap-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/SystemAudioTap-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name SystemAudioTap -package-name spi_builder_workspace -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/SystemAudioTap-t.build/Objects-normal/arm64/SystemAudioTap_const_extract_protocols.json -disable-clang-spi -clang-target arm64-apple-ios27.0 -target-sdk-version 27.0 -target-sdk-name iphoneos27.0 -in-process-plugin-server-path /Applications/Xcode-27.0.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -emit-module-doc-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/SystemAudioTap-t.build/Objects-normal/arm64/SystemAudioTap.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/SystemAudioTap-t.build/Objects-normal/arm64/SystemAudioTap.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/SystemAudioTap-t.build/Objects-normal/arm64/SystemAudioTap-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/SystemAudioTap-t.build/Objects-normal/arm64/SystemAudioTap-primary-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/SystemAudioTap-t.build/Objects-normal/arm64/SystemAudioTap-primary-emit-module.d -parse-as-library -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/SystemAudioTap-t.build/Objects-normal/arm64/SystemAudioTap.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/macos-audio-tap.build/Debug-iphoneos/SystemAudioTap-t.build/Objects-normal/arm64/SystemAudioTap.abi.json
SwiftCompile normal arm64 (in target 'SystemAudioTap' from project 'macos-audio-tap')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ExplicitPrecompiledModules
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules
2026-10-12 02:58:42.470 xcodebuild[706:4400] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
	SwiftEmitModule normal arm64 Emitting\ module\ for\ SystemAudioTap (in target 'SystemAudioTap' from project 'macos-audio-tap')
	SwiftCompile normal arm64 (in target 'SystemAudioTap' from project 'macos-audio-tap')
	Building workspace macos-audio-tap with scheme macos-audio-tap-Package
(3 failures)
BUILD FAILURE 6.4 iOS