Swift Package IndexBuild Information
Failed to build swift-oboe, reference main (fff6eb), with Swift 6.3 for macOS (Xcode) using Xcode 26.4 on 17 Apr 2026 08:43:24 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme swift-oboe -destination platform=macOS,arch=arm64Build Log
========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/gmondada/swift-oboe.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/gmondada/swift-oboe
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at fff6ebb update badges in README
Cloned https://github.com/gmondada/swift-oboe.git
Revision (git rev-parse @):
fff6ebb319abf9b90353a6dec1116be579435528
SUCCESS checkout https://github.com/gmondada/swift-oboe.git at main
========================================
Build
========================================
Selected platform: macosXcodebuild
Swift version: 6.3
Building package at path: $PWD
https://github.com/gmondada/swift-oboe.git
Command line invocation:
/Applications/Xcode-26.4.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Fetching from https://github.com/gmondada/oboe.git
Creating working copy of package ‘oboe’
Checking out 1.9.3 of package ‘oboe’
Resolve Package Graph
Resolved source packages:
oboe: https://github.com/gmondada/oboe.git @ 1.9.3
swift-oboe: /Users/admin/builder/spi-builder-workspace
resolved source packages: oboe, swift-oboe
2026-04-17 04:43:07.342 xcodebuild[525:3013] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
"dependencies" : [
{
"identity" : "oboe",
"requirement" : {
"range" : [
{
"lower_bound" : "1.9.3",
"upper_bound" : "2.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/gmondada/oboe.git"
}
],
"manifest_display_name" : "swift-oboe",
"name" : "swift-oboe",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
],
"products" : [
{
"name" : "SwiftOboe",
"targets" : [
"SwiftOboe"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "SwiftOboeTests",
"module_type" : "SwiftTarget",
"name" : "SwiftOboeTests",
"path" : "Tests/SwiftOboeTests",
"sources" : [
"OboeTests.swift"
],
"target_dependencies" : [
"SwiftOboe"
],
"type" : "test"
},
{
"c99name" : "SwiftOboe",
"module_type" : "SwiftTarget",
"name" : "SwiftOboe",
"path" : "Sources/SwiftOboe",
"product_dependencies" : [
"oboe"
],
"product_memberships" : [
"SwiftOboe"
],
"sources" : [
"AudioClock.swift",
"AudioStream.swift",
"AudioStreamBuilder.swift",
"Oboe.swift",
"Support/Callbacks.swift",
"Support/Enums/AllowedCapturePolicy.swift",
"Support/Enums/AudioApi.swift",
"Support/Enums/AudioFormat.swift",
"Support/Enums/ChannelMask.swift",
"Support/Enums/ContentType.swift",
"Support/Enums/DataCallbackResult.swift",
"Support/Enums/Direction.swift",
"Support/Enums/InputPreset.swift",
"Support/Enums/PerformanceMode.swift",
"Support/Enums/PrivacySensitiveMode.swift",
"Support/Enums/Result.swift",
"Support/Enums/SampleRateConversionQuality.swift",
"Support/Enums/SessionId.swift",
"Support/Enums/SharingMode.swift",
"Support/Enums/SpatializationBehavior.swift",
"Support/Enums/StreamState.swift",
"Support/Enums/SystemClockId.swift",
"Support/Enums/Usage.swift",
"Support/FrameTimestamp.swift",
"Support/ResultWithValue.swift",
"Support/SwiftRef.swift"
],
"target_dependencies" : [
"OboeBridge"
],
"type" : "library"
},
{
"c99name" : "OboeBridge",
"module_type" : "ClangTarget",
"name" : "OboeBridge",
"path" : "Sources/OboeBridge",
"product_dependencies" : [
"oboe"
],
"product_memberships" : [
"SwiftOboe"
],
"sources" : [
"OboeBridge.cpp"
],
"type" : "library"
}
],
"tools_version" : "6.2"
}
{
"workspace" : {
"name" : "spi-builder-workspace",
"schemes" : [
"swift-oboe"
]
}
}
2026-04-17 04:43:15.962 xcodebuild[656:3901] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme swift-oboe -destination platform=macOS,arch=arm64
Command line invocation:
/Applications/Xcode-26.4.0.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 swift-oboe -destination platform=macOS,arch=arm64
Resolve Package Graph
Resolve Package Graph
Resolved source packages:
oboe: https://github.com/gmondada/oboe.git @ 1.9.3
swift-oboe: /Users/admin/builder/spi-builder-workspace
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (5 targets)
Target 'SwiftOboe' in project 'swift-oboe'
➜ Explicit dependency on target 'SwiftOboe' in project 'swift-oboe'
➜ Explicit dependency on target 'OboeBridge' in project 'swift-oboe'
➜ Explicit dependency on target 'oboe' in project 'oboe'
Target 'SwiftOboe' in project 'swift-oboe'
➜ Explicit dependency on target 'OboeBridge' in project 'swift-oboe'
➜ Explicit dependency on target 'oboe' in project 'oboe'
Target 'OboeBridge' in project 'swift-oboe'
➜ Explicit dependency on target 'oboe' in project 'oboe'
Target 'oboe' in project 'oboe'
➜ Explicit dependency on target 'oboe' in project 'oboe'
Target 'oboe' in project 'oboe' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.4.sdk -x c++ -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: 387afb653d038322e7abeca5c4123f37
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/387afb653d038322e7abeca5c4123f37.xcbuilddata
error: The package product 'oboe' requires minimum platform version 15.0 for the macOS platform, but this target supports 10.13 (in target 'OboeBridge' from project 'swift-oboe')
error: The package product 'oboe' requires minimum platform version 15.0 for the macOS platform, but this target supports 10.13 (in target 'SwiftOboe' from project 'swift-oboe')
2026-04-17 04:43:18.648 xcodebuild[666:3983] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
--- xcodebuild: WARNING: Using the first of multiple matching destinations:
{ platform:macOS, arch:arm64, id:d238d10ef46a0fc55cb46c9033c148e213c76f24, name:My Mac }
{ platform:macOS, arch:arm64, variant:Mac Catalyst, id:d238d10ef46a0fc55cb46c9033c148e213c76f24, name:My Mac }
{ platform:macOS, arch:arm64, variant:DriverKit, id:d238d10ef46a0fc55cb46c9033c148e213c76f24, name:My Mac }
{ platform:macOS, arch:arm64, variant:Designed for [iPad,iPhone], id:d238d10ef46a0fc55cb46c9033c148e213c76f24, name:My Mac }
** BUILD FAILED **
The following build commands failed:
Building workspace spi-builder-workspace with scheme swift-oboe
(1 failure)
Command line invocation:
/Applications/Xcode-26.4.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolved source packages:
swift-oboe: /Users/admin/builder/spi-builder-workspace
oboe: https://github.com/gmondada/oboe.git @ 1.9.3
resolved source packages: swift-oboe, oboe
2026-04-17 04:43:21.266 xcodebuild[700:4169] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
"dependencies" : [
{
"identity" : "oboe",
"requirement" : {
"range" : [
{
"lower_bound" : "1.9.3",
"upper_bound" : "2.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/gmondada/oboe.git"
}
],
"manifest_display_name" : "swift-oboe",
"name" : "swift-oboe",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
],
"products" : [
{
"name" : "SwiftOboe",
"targets" : [
"SwiftOboe"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "SwiftOboeTests",
"module_type" : "SwiftTarget",
"name" : "SwiftOboeTests",
"path" : "Tests/SwiftOboeTests",
"sources" : [
"OboeTests.swift"
],
"target_dependencies" : [
"SwiftOboe"
],
"type" : "test"
},
{
"c99name" : "SwiftOboe",
"module_type" : "SwiftTarget",
"name" : "SwiftOboe",
"path" : "Sources/SwiftOboe",
"product_dependencies" : [
"oboe"
],
"product_memberships" : [
"SwiftOboe"
],
"sources" : [
"AudioClock.swift",
"AudioStream.swift",
"AudioStreamBuilder.swift",
"Oboe.swift",
"Support/Callbacks.swift",
"Support/Enums/AllowedCapturePolicy.swift",
"Support/Enums/AudioApi.swift",
"Support/Enums/AudioFormat.swift",
"Support/Enums/ChannelMask.swift",
"Support/Enums/ContentType.swift",
"Support/Enums/DataCallbackResult.swift",
"Support/Enums/Direction.swift",
"Support/Enums/InputPreset.swift",
"Support/Enums/PerformanceMode.swift",
"Support/Enums/PrivacySensitiveMode.swift",
"Support/Enums/Result.swift",
"Support/Enums/SampleRateConversionQuality.swift",
"Support/Enums/SessionId.swift",
"Support/Enums/SharingMode.swift",
"Support/Enums/SpatializationBehavior.swift",
"Support/Enums/StreamState.swift",
"Support/Enums/SystemClockId.swift",
"Support/Enums/Usage.swift",
"Support/FrameTimestamp.swift",
"Support/ResultWithValue.swift",
"Support/SwiftRef.swift"
],
"target_dependencies" : [
"OboeBridge"
],
"type" : "library"
},
{
"c99name" : "OboeBridge",
"module_type" : "ClangTarget",
"name" : "OboeBridge",
"path" : "Sources/OboeBridge",
"product_dependencies" : [
"oboe"
],
"product_memberships" : [
"SwiftOboe"
],
"sources" : [
"OboeBridge.cpp"
],
"type" : "library"
}
],
"tools_version" : "6.2"
}
{
"workspace" : {
"name" : "spi-builder-workspace",
"schemes" : [
"swift-oboe"
]
}
}
2026-04-17 04:43:22.687 xcodebuild[713:4241] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme swift-oboe -destination platform=macOS,arch=arm64
Command line invocation:
/Applications/Xcode-26.4.0.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 swift-oboe -destination platform=macOS,arch=arm64
Resolve Package Graph
Resolved source packages:
swift-oboe: /Users/admin/builder/spi-builder-workspace
oboe: https://github.com/gmondada/oboe.git @ 1.9.3
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (5 targets)
Target 'SwiftOboe' in project 'swift-oboe'
➜ Explicit dependency on target 'SwiftOboe' in project 'swift-oboe'
➜ Explicit dependency on target 'OboeBridge' in project 'swift-oboe'
➜ Explicit dependency on target 'oboe' in project 'oboe'
Target 'SwiftOboe' in project 'swift-oboe'
➜ Explicit dependency on target 'OboeBridge' in project 'swift-oboe'
➜ Explicit dependency on target 'oboe' in project 'oboe'
Target 'OboeBridge' in project 'swift-oboe'
➜ Explicit dependency on target 'oboe' in project 'oboe'
Target 'oboe' in project 'oboe'
➜ Explicit dependency on target 'oboe' in project 'oboe'
Target 'oboe' in project 'oboe' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.4.sdk -x c++ -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: 387afb653d038322e7abeca5c4123f37
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/387afb653d038322e7abeca5c4123f37.xcbuilddata
error: The package product 'oboe' requires minimum platform version 15.0 for the macOS platform, but this target supports 10.13 (in target 'SwiftOboe' from project 'swift-oboe')
error: The package product 'oboe' requires minimum platform version 15.0 for the macOS platform, but this target supports 10.13 (in target 'OboeBridge' from project 'swift-oboe')
2026-04-17 04:43:23.794 xcodebuild[719:4283] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
--- xcodebuild: WARNING: Using the first of multiple matching destinations:
{ platform:macOS, arch:arm64, id:d238d10ef46a0fc55cb46c9033c148e213c76f24, name:My Mac }
{ platform:macOS, arch:arm64, variant:Mac Catalyst, id:d238d10ef46a0fc55cb46c9033c148e213c76f24, name:My Mac }
{ platform:macOS, arch:arm64, variant:DriverKit, id:d238d10ef46a0fc55cb46c9033c148e213c76f24, name:My Mac }
{ platform:macOS, arch:arm64, variant:Designed for [iPad,iPhone], id:d238d10ef46a0fc55cb46c9033c148e213c76f24, name:My Mac }
** BUILD FAILED **
The following build commands failed:
Building workspace spi-builder-workspace with scheme swift-oboe
(1 failure)
BUILD FAILURE 6.3 macosXcodebuild