Build Information
Failed to build swift-mdk, reference v0.39.0 (1db6e5), with Swift 6.3 for watchOS using Xcode 26.4 on 3 Oct 2026 10:22:45 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-26.5.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme swift-mdk -destination generic/platform=watchOSBuild Log
========================================
RunAll
========================================
Builder version: 5.1.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/wang-bin/swift-mdk.git
Reference: v0.39.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/wang-bin/swift-mdk
* tag v0.39.0 -> FETCH_HEAD
HEAD is now at 1db6e54 v0.39.0
Cloned https://github.com/wang-bin/swift-mdk.git
Revision (git rev-parse @):
1db6e548a176e1d66fac5552a1d5e719f67525b3
SUCCESS checkout https://github.com/wang-bin/swift-mdk.git at v0.39.0
========================================
Build
========================================
Selected platform: watchOS
Swift version: 6.3
Building package at path: $PWD
https://github.com/wang-bin/swift-mdk.git
Command line invocation:
/Applications/Xcode-26.5.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolve Package Graph
Resolved source packages:
swift-mdk: /Users/admin/builder/spi-builder-workspace
resolved source packages: swift-mdk
2026-10-03 06:22:31.779 xcodebuild[541:3121] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
"dependencies" : [
],
"manifest_display_name" : "swift-mdk",
"name" : "swift-mdk",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
],
"products" : [
{
"name" : "swift-mdk",
"targets" : [
"swift-mdk"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "swift_mdkTests",
"module_type" : "SwiftTarget",
"name" : "swift-mdkTests",
"path" : "Tests/swift-mdkTests",
"sources" : [
"swift_mdkTests.swift"
],
"target_dependencies" : [
"swift-mdk"
],
"type" : "test"
},
{
"c99name" : "swift_mdk",
"module_type" : "SwiftTarget",
"name" : "swift-mdk",
"path" : "Sources/swift-mdk",
"product_memberships" : [
"swift-mdk"
],
"sources" : [
"MediaInfo.swift",
"Player.swift",
"VideoFrame.swift",
"global.swift",
"swift_mdk.swift"
],
"target_dependencies" : [
"mdk-sdk"
],
"type" : "library"
},
{
"c99name" : "mdk_sdk",
"module_type" : "BinaryTarget",
"name" : "mdk-sdk",
"path" : "remote/archive/mdk-sdk-apple.zip",
"product_memberships" : [
"swift-mdk"
],
"sources" : [
],
"type" : "binary"
}
],
"tools_version" : "5.7"
}
{
"workspace" : {
"name" : "spi-builder-workspace",
"schemes" : [
"swift-mdk"
]
}
}
2026-10-03 06:22:39.565 xcodebuild[670:4014] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.5.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme swift-mdk -destination generic/platform=watchOS
Command line invocation:
/Applications/Xcode-26.5.0.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-mdk -destination generic/platform=watchOS
Resolve Package Graph
Resolved source packages:
swift-mdk: /Users/admin/builder/spi-builder-workspace
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (2 targets)
Target 'swift-mdk' in project 'swift-mdk'
➜ Explicit dependency on target 'swift-mdk' in project 'swift-mdk'
Target 'swift-mdk' in project 'swift-mdk' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-26.5.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-26.5.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.5.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.5.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-26.5.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: 2975e369ec4e90f7148a657b342ec0c0
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/2975e369ec4e90f7148a657b342ec0c0.xcbuilddata
/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/spi-builder-workspace/mdk-sdk/mdk-sdk/lib/mdk.xcframework:1:1: error: While building for watchOS, no library for this platform was found in '/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/spi-builder-workspace/mdk-sdk/mdk-sdk/lib/mdk.xcframework'. (in target 'swift-mdk' from project 'swift-mdk')
/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/spi-builder-workspace/mdk-sdk/mdk-sdk/lib/mdk.xcframework:1:1: error: While building for watchOS, no library for this platform was found in '/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/spi-builder-workspace/mdk-sdk/mdk-sdk/lib/mdk.xcframework'. (in target 'swift-mdk' from project 'swift-mdk')
2026-10-03 06:22:40.970 xcodebuild[677:4081] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
Building workspace spi-builder-workspace with scheme swift-mdk
(1 failure)
Command line invocation:
/Applications/Xcode-26.5.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolved source packages:
swift-mdk: /Users/admin/builder/spi-builder-workspace
resolved source packages: swift-mdk
2026-10-03 06:22:42.826 xcodebuild[693:4186] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
"dependencies" : [
],
"manifest_display_name" : "swift-mdk",
"name" : "swift-mdk",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
],
"products" : [
{
"name" : "swift-mdk",
"targets" : [
"swift-mdk"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "swift_mdkTests",
"module_type" : "SwiftTarget",
"name" : "swift-mdkTests",
"path" : "Tests/swift-mdkTests",
"sources" : [
"swift_mdkTests.swift"
],
"target_dependencies" : [
"swift-mdk"
],
"type" : "test"
},
{
"c99name" : "swift_mdk",
"module_type" : "SwiftTarget",
"name" : "swift-mdk",
"path" : "Sources/swift-mdk",
"product_memberships" : [
"swift-mdk"
],
"sources" : [
"MediaInfo.swift",
"Player.swift",
"VideoFrame.swift",
"global.swift",
"swift_mdk.swift"
],
"target_dependencies" : [
"mdk-sdk"
],
"type" : "library"
},
{
"c99name" : "mdk_sdk",
"module_type" : "BinaryTarget",
"name" : "mdk-sdk",
"path" : "remote/archive/mdk-sdk-apple.zip",
"product_memberships" : [
"swift-mdk"
],
"sources" : [
],
"type" : "binary"
}
],
"tools_version" : "5.7"
}
{
"workspace" : {
"name" : "spi-builder-workspace",
"schemes" : [
"swift-mdk"
]
}
}
2026-10-03 06:22:44.056 xcodebuild[704:4273] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.5.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme swift-mdk -destination generic/platform=watchOS
Command line invocation:
/Applications/Xcode-26.5.0.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-mdk -destination generic/platform=watchOS
Resolve Package Graph
Resolved source packages:
swift-mdk: /Users/admin/builder/spi-builder-workspace
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (2 targets)
Target 'swift-mdk' in project 'swift-mdk'
➜ Explicit dependency on target 'swift-mdk' in project 'swift-mdk'
Target 'swift-mdk' in project 'swift-mdk' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-26.5.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-26.5.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.5.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.5.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-26.5.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: 2975e369ec4e90f7148a657b342ec0c0
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/2975e369ec4e90f7148a657b342ec0c0.xcbuilddata
/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/spi-builder-workspace/mdk-sdk/mdk-sdk/lib/mdk.xcframework:1:1: error: While building for watchOS, no library for this platform was found in '/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/spi-builder-workspace/mdk-sdk/mdk-sdk/lib/mdk.xcframework'. (in target 'swift-mdk' from project 'swift-mdk')
/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/spi-builder-workspace/mdk-sdk/mdk-sdk/lib/mdk.xcframework:1:1: error: While building for watchOS, no library for this platform was found in '/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/spi-builder-workspace/mdk-sdk/mdk-sdk/lib/mdk.xcframework'. (in target 'swift-mdk' from project 'swift-mdk')
2026-10-03 06:22:44.926 xcodebuild[727:4459] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
Building workspace spi-builder-workspace with scheme swift-mdk
(1 failure)
BUILD FAILURE 6.3 watchOS