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Build Information

Successful build of SFBAudioUtilities, reference 0.2.0 (b62028), with Swift 6.4 for macOS (SPM) on 20 Sep 2026 16:05:02 UTC.

Swift 6 data race errors: 0

Build Command

env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64

Build Log

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RunAll
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Builder version: 5.1.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/sbooth/SFBAudioUtilities.git
Reference: 0.2.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/sbooth/SFBAudioUtilities
 * tag               0.2.0      -> FETCH_HEAD
HEAD is now at b62028a Use uniform initialization
Cloned https://github.com/sbooth/SFBAudioUtilities.git
Revision (git rev-parse @):
b62028a660479a9986b60ffbccf0cf3d09559489
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/sbooth/SFBAudioUtilities.git at 0.2.0
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Build
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Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/sbooth/SFBAudioUtilities.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
[Pre-planning 1 / 184]
[Planning deferred tasks]
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[35 / 51] CoreAudioExtensions
[37 / 89] CXXAudioUtilities
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[133 / 136] CoreAudioExtensions
Build complete! (7.85 sec)
/Users/admin/builder/spi-builder-workspace/Sources/CXXAudioUtilities/SFBCAChannelLayout.cpp:384:24: warning: variable length arrays in C++ are a Clang extension [-Wvla-cxx-extension]
  384 |         SInt32 rawChannelMap [outputChannelCount];
      |                               ^~~~~~~~~~~~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/CXXAudioUtilities/SFBCAChannelLayout.cpp:384:24: note: read of non-const variable 'outputChannelCount' is not allowed in a constant expression
/Users/admin/builder/spi-builder-workspace/Sources/CXXAudioUtilities/SFBCAChannelLayout.cpp:380:7: note: declared here
  380 |         auto outputChannelCount = outputLayout.ChannelCount();
      |              ^
1 warning generated.
/Users/admin/builder/spi-builder-workspace/Sources/CoreAudioExtensions/AudioStreamBasicDescription+SFBExtensions.swift:213:1: warning: extension declares a conformance of imported type 'AudioStreamBasicDescription' to imported protocol 'Equatable'; this will not behave correctly if the owners of 'CoreAudioTypes' introduce this conformance in the future
211 | }
212 |
213 | extension AudioStreamBasicDescription: Equatable {
    | |- warning: extension declares a conformance of imported type 'AudioStreamBasicDescription' to imported protocol 'Equatable'; this will not behave correctly if the owners of 'CoreAudioTypes' introduce this conformance in the future
    | `- note: add '@retroactive' to silence this warning
214 | 	public static func == (lhs: AudioStreamBasicDescription, rhs: AudioStreamBasicDescription) -> Bool {
215 | 		return
/Users/admin/builder/spi-builder-workspace/Sources/CoreAudioExtensions/AudioStreamBasicDescription+SFBExtensions.swift:250:1: warning: extension declares a conformance of imported type 'AudioStreamBasicDescription' to imported protocol 'CustomDebugStringConvertible'; this will not behave correctly if the owners of 'CoreAudioTypes' introduce this conformance in the future
248 | }
249 |
250 | extension AudioStreamBasicDescription: CustomDebugStringConvertible {
    | |- warning: extension declares a conformance of imported type 'AudioStreamBasicDescription' to imported protocol 'CustomDebugStringConvertible'; this will not behave correctly if the owners of 'CoreAudioTypes' introduce this conformance in the future
    | `- note: add '@retroactive' to silence this warning
251 | 	// A textual representation of this instance, suitable for debugging.
252 | 	public var debugDescription: String {
/Users/admin/builder/spi-builder-workspace/Sources/CoreAudioExtensions/AudioStreamBasicDescription+SFBExtensions.swift:213:1: warning: extension declares a conformance of imported type 'AudioStreamBasicDescription' to imported protocol 'Equatable'; this will not behave correctly if the owners of 'CoreAudioTypes' introduce this conformance in the future
211 | }
212 |
213 | extension AudioStreamBasicDescription: Equatable {
    | |- warning: extension declares a conformance of imported type 'AudioStreamBasicDescription' to imported protocol 'Equatable'; this will not behave correctly if the owners of 'CoreAudioTypes' introduce this conformance in the future
    | `- note: add '@retroactive' to silence this warning
214 | 	public static func == (lhs: AudioStreamBasicDescription, rhs: AudioStreamBasicDescription) -> Bool {
215 | 		return
/Users/admin/builder/spi-builder-workspace/Sources/CoreAudioExtensions/AudioStreamBasicDescription+SFBExtensions.swift:250:1: warning: extension declares a conformance of imported type 'AudioStreamBasicDescription' to imported protocol 'CustomDebugStringConvertible'; this will not behave correctly if the owners of 'CoreAudioTypes' introduce this conformance in the future
248 | }
249 |
250 | extension AudioStreamBasicDescription: CustomDebugStringConvertible {
    | |- warning: extension declares a conformance of imported type 'AudioStreamBasicDescription' to imported protocol 'CustomDebugStringConvertible'; this will not behave correctly if the owners of 'CoreAudioTypes' introduce this conformance in the future
    | `- note: add '@retroactive' to silence this warning
251 | 	// A textual representation of this instance, suitable for debugging.
252 | 	public var debugDescription: String {
Build complete.
{
  "cxx_language_standard" : "c++17",
  "dependencies" : [
  ],
  "manifest_display_name" : "SFBAudioUtilities",
  "name" : "SFBAudioUtilities",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "CXXAudioUtilities",
      "targets" : [
        "CXXAudioUtilities"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "AVFAudioExtensions",
      "targets" : [
        "AVFAudioExtensions"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "CoreAudioExtensions",
      "targets" : [
        "CoreAudioExtensions"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "CoreAudioExtensionsTests",
      "module_type" : "SwiftTarget",
      "name" : "CoreAudioExtensionsTests",
      "path" : "Tests/CoreAudioExtensionsTests",
      "sources" : [
        "CoreAudioExtensionsTests.swift"
      ],
      "target_dependencies" : [
        "CoreAudioExtensions"
      ],
      "type" : "test"
    },
    {
      "c99name" : "CoreAudioExtensions",
      "module_type" : "SwiftTarget",
      "name" : "CoreAudioExtensions",
      "path" : "Sources/CoreAudioExtensions",
      "product_memberships" : [
        "CoreAudioExtensions"
      ],
      "sources" : [
        "AudioChannelLayout+SFBExtensions.swift",
        "AudioStreamBasicDescription+SFBExtensions.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "CXXAudioUtilities",
      "module_type" : "ClangTarget",
      "name" : "CXXAudioUtilities",
      "path" : "Sources/CXXAudioUtilities",
      "product_memberships" : [
        "CXXAudioUtilities"
      ],
      "sources" : [
        "SFBAudioRingBuffer.cpp",
        "SFBCABufferList.cpp",
        "SFBCAChannelLayout.cpp",
        "SFBCARingBuffer.cpp",
        "SFBCAStreamBasicDescription.cpp",
        "SFBRingBuffer.cpp"
      ],
      "type" : "library"
    },
    {
      "c99name" : "AVFAudioExtensionsTests",
      "module_type" : "SwiftTarget",
      "name" : "AVFAudioExtensionsTests",
      "path" : "Tests/AVFAudioExtensionsTests",
      "sources" : [
        "AVFAudioExtensionsTests.swift"
      ],
      "target_dependencies" : [
        "AVFAudioExtensions"
      ],
      "type" : "test"
    },
    {
      "c99name" : "AVFAudioExtensions",
      "module_type" : "ClangTarget",
      "name" : "AVFAudioExtensions",
      "path" : "Sources/AVFAudioExtensions",
      "product_memberships" : [
        "AVFAudioExtensions"
      ],
      "sources" : [
        "AVAudioChannelLayout+SFBChannelLabels.m",
        "AVAudioFormat+SFBFormatTransformation.m",
        "AVAudioPCMBuffer+SFBBufferUtilities.m"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.6"
}
Done.