Build Information
Failed to build Ultravox, reference main (eed051), with Swift 6.3 for watchOS using Xcode 26.4 on 16 Apr 2026 06:37:15 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Ultravox -destination generic/platform=watchOSBuild Log
========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/fixie-ai/ultravox-client-sdk-ios.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/fixie-ai/ultravox-client-sdk-ios
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at eed0513 Refactored from URLSession to use NWConnection. (#8)
Cloned https://github.com/fixie-ai/ultravox-client-sdk-ios.git
Revision (git rev-parse @):
eed0513a8efdbeb5936de2de04c8e3df9ac05699
SUCCESS checkout https://github.com/fixie-ai/ultravox-client-sdk-ios.git at main
========================================
Build
========================================
Selected platform: watchOS
Swift version: 6.3
Building package at path: $PWD
https://github.com/fixie-ai/ultravox-client-sdk-ios.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/livekit/client-sdk-swift.git
Fetching from https://github.com/apple/swift-protobuf.git
Fetching from https://github.com/livekit/livekit-uniffi-xcframework.git
Fetching from https://github.com/livekit/webrtc-xcframework.git
Creating working copy of package ‘client-sdk-swift’
Checking out 2.13.0 of package ‘client-sdk-swift’
Creating working copy of package ‘webrtc-xcframework’
Checking out 144.7559.3 of package ‘webrtc-xcframework’
Creating working copy of package ‘livekit-uniffi-xcframework’
Checking out 0.0.5 of package ‘livekit-uniffi-xcframework’
Creating working copy of package ‘swift-protobuf’
Checking out 1.36.1 of package ‘swift-protobuf’
Resolve Package Graph
Resolve Package Graph
Resolved source packages:
LiveKitWebRTC: https://github.com/livekit/webrtc-xcframework.git @ 144.7559.3
SwiftProtobuf: https://github.com/apple/swift-protobuf.git @ 1.36.1
LiveKitUniFFI: https://github.com/livekit/livekit-uniffi-xcframework.git @ 0.0.5
LiveKit: https://github.com/livekit/client-sdk-swift.git @ 2.13.0
Ultravox: /Users/admin/builder/spi-builder-workspace
resolved source packages: LiveKitWebRTC, SwiftProtobuf, LiveKitUniFFI, LiveKit, Ultravox
2026-04-16 02:36:51.498 xcodebuild[525:3041] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
"dependencies" : [
{
"identity" : "client-sdk-swift",
"requirement" : {
"range" : [
{
"lower_bound" : "2.0.16",
"upper_bound" : "3.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/livekit/client-sdk-swift.git"
}
],
"manifest_display_name" : "Ultravox",
"name" : "Ultravox",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "ios",
"version" : "13.0"
},
{
"name" : "macos",
"version" : "10.15"
}
],
"products" : [
{
"name" : "Ultravox",
"targets" : [
"Ultravox"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "Ultravox",
"module_type" : "SwiftTarget",
"name" : "Ultravox",
"path" : "Sources/Ultravox",
"product_dependencies" : [
"LiveKit"
],
"product_memberships" : [
"Ultravox"
],
"sources" : [
"Ultravox.swift"
],
"type" : "library"
}
],
"tools_version" : "6.0"
}
{
"workspace" : {
"name" : "spi-builder-workspace",
"schemes" : [
"Ultravox"
]
}
}
2026-04-16 02:37:01.594 xcodebuild[950:5264] [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 Ultravox -destination generic/platform=watchOS
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 Ultravox -destination generic/platform=watchOS
Resolve Package Graph
Resolve Package Graph
Resolved source packages:
LiveKit: https://github.com/livekit/client-sdk-swift.git @ 2.13.0
LiveKitUniFFI: https://github.com/livekit/livekit-uniffi-xcframework.git @ 0.0.5
SwiftProtobuf: https://github.com/apple/swift-protobuf.git @ 1.36.1
Ultravox: /Users/admin/builder/spi-builder-workspace
LiveKitWebRTC: https://github.com/livekit/webrtc-xcframework.git @ 144.7559.3
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (12 targets)
Target 'Ultravox' in project 'Ultravox'
➜ Explicit dependency on target 'Ultravox' in project 'Ultravox'
➜ Explicit dependency on target 'LiveKit' in project 'LiveKit'
Target 'Ultravox' in project 'Ultravox'
➜ Explicit dependency on target 'LiveKit' in project 'LiveKit'
Target 'LiveKit' in project 'LiveKit'
➜ Explicit dependency on target 'LiveKit' in project 'LiveKit'
➜ Explicit dependency on target 'LiveKit_LiveKit' in project 'LiveKit'
➜ Explicit dependency on target 'LKObjCHelpers' in project 'LiveKit'
➜ Explicit dependency on target 'LiveKitWebRTC' in project 'LiveKitWebRTC'
➜ Explicit dependency on target 'LiveKitUniFFI' in project 'LiveKitUniFFI'
➜ Explicit dependency on target 'SwiftProtobuf' in project 'SwiftProtobuf'
Target 'LiveKit' in project 'LiveKit'
➜ Explicit dependency on target 'LiveKit_LiveKit' in project 'LiveKit'
➜ Explicit dependency on target 'LKObjCHelpers' in project 'LiveKit'
➜ Explicit dependency on target 'LiveKitWebRTC' in project 'LiveKitWebRTC'
➜ Explicit dependency on target 'LiveKitUniFFI' in project 'LiveKitUniFFI'
➜ Explicit dependency on target 'SwiftProtobuf' in project 'SwiftProtobuf'
Target 'SwiftProtobuf' in project 'SwiftProtobuf'
➜ Explicit dependency on target 'SwiftProtobuf' in project 'SwiftProtobuf'
➜ Explicit dependency on target 'SwiftProtobuf_SwiftProtobuf' in project 'SwiftProtobuf'
Target 'SwiftProtobuf' in project 'SwiftProtobuf'
➜ Explicit dependency on target 'SwiftProtobuf_SwiftProtobuf' in project 'SwiftProtobuf'
Target 'SwiftProtobuf_SwiftProtobuf' in project 'SwiftProtobuf' (no dependencies)
Target 'LiveKitUniFFI' in project 'LiveKitUniFFI'
➜ Explicit dependency on target 'LiveKitUniFFI' in project 'LiveKitUniFFI'
Target 'LiveKitUniFFI' in project 'LiveKitUniFFI' (no dependencies)
Target 'LiveKitWebRTC' in project 'LiveKitWebRTC' (no dependencies)
Target 'LKObjCHelpers' in project 'LiveKit' (no dependencies)
Target 'LiveKit_LiveKit' in project 'LiveKit' (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/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk -x objective-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 -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch armv7k -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk -x objective-c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch armv7k -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64_32 -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk -x objective-c -c /dev/null
ReadFileContents /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/share/docc/features.json
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64_32 -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk -x c -c /dev/null
Build description signature: 1edf4368cc620d6b7208c835e7a25a09
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/1edf4368cc620d6b7208c835e7a25a09.xcbuilddata
/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/webrtc-xcframework/LiveKitWebRTC/LiveKitWebRTC.xcframework:1:1: error: While building for watchOS, no library for this platform was found in '/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/webrtc-xcframework/LiveKitWebRTC/LiveKitWebRTC.xcframework'. (in target 'LiveKit' from project 'LiveKit')
/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/webrtc-xcframework/LiveKitWebRTC/LiveKitWebRTC.xcframework:1:1: error: While building for watchOS, no library for this platform was found in '/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/webrtc-xcframework/LiveKitWebRTC/LiveKitWebRTC.xcframework'. (in target 'LiveKitWebRTC' from project 'LiveKitWebRTC')
/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/livekit-uniffi-xcframework/RustLiveKitUniFFI/RustLiveKitUniFFI.xcframework:1:1: error: While building for watchOS, no library for this platform was found in '/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/livekit-uniffi-xcframework/RustLiveKitUniFFI/RustLiveKitUniFFI.xcframework'. (in target 'LiveKitUniFFI' from project 'LiveKitUniFFI')
/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/webrtc-xcframework/LiveKitWebRTC/LiveKitWebRTC.xcframework:1:1: error: While building for watchOS, no library for this platform was found in '/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/webrtc-xcframework/LiveKitWebRTC/LiveKitWebRTC.xcframework'. (in target 'LiveKit' from project 'LiveKit')
/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/webrtc-xcframework/LiveKitWebRTC/LiveKitWebRTC.xcframework:1:1: error: While building for watchOS, no library for this platform was found in '/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/webrtc-xcframework/LiveKitWebRTC/LiveKitWebRTC.xcframework'. (in target 'LiveKit' from project 'LiveKit')
/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/livekit-uniffi-xcframework/RustLiveKitUniFFI/RustLiveKitUniFFI.xcframework:1:1: error: While building for watchOS, no library for this platform was found in '/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/livekit-uniffi-xcframework/RustLiveKitUniFFI/RustLiveKitUniFFI.xcframework'. (in target 'LiveKit' from project 'LiveKit')
/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/livekit-uniffi-xcframework/RustLiveKitUniFFI/RustLiveKitUniFFI.xcframework:1:1: error: While building for watchOS, no library for this platform was found in '/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/livekit-uniffi-xcframework/RustLiveKitUniFFI/RustLiveKitUniFFI.xcframework'. (in target 'LiveKitUniFFI' from project 'LiveKitUniFFI')
/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/webrtc-xcframework/LiveKitWebRTC/LiveKitWebRTC.xcframework:1:1: error: While building for watchOS, no library for this platform was found in '/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/webrtc-xcframework/LiveKitWebRTC/LiveKitWebRTC.xcframework'. (in target 'Ultravox' from project 'Ultravox')
/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/webrtc-xcframework/LiveKitWebRTC/LiveKitWebRTC.xcframework:1:1: error: While building for watchOS, no library for this platform was found in '/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/webrtc-xcframework/LiveKitWebRTC/LiveKitWebRTC.xcframework'. (in target 'Ultravox' from project 'Ultravox')
/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/livekit-uniffi-xcframework/RustLiveKitUniFFI/RustLiveKitUniFFI.xcframework:1:1: error: While building for watchOS, no library for this platform was found in '/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/livekit-uniffi-xcframework/RustLiveKitUniFFI/RustLiveKitUniFFI.xcframework'. (in target 'Ultravox' from project 'Ultravox')
2026-04-16 02:37:05.876 xcodebuild[970:5378] [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 Ultravox
(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:
LiveKitUniFFI: https://github.com/livekit/livekit-uniffi-xcframework.git @ 0.0.5
LiveKit: https://github.com/livekit/client-sdk-swift.git @ 2.13.0
SwiftProtobuf: https://github.com/apple/swift-protobuf.git @ 1.36.1
Ultravox: /Users/admin/builder/spi-builder-workspace
LiveKitWebRTC: https://github.com/livekit/webrtc-xcframework.git @ 144.7559.3
resolved source packages: LiveKitUniFFI, LiveKit, SwiftProtobuf, Ultravox, LiveKitWebRTC
2026-04-16 02:37:09.761 xcodebuild[1059:5782] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
"dependencies" : [
{
"identity" : "client-sdk-swift",
"requirement" : {
"range" : [
{
"lower_bound" : "2.0.16",
"upper_bound" : "3.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/livekit/client-sdk-swift.git"
}
],
"manifest_display_name" : "Ultravox",
"name" : "Ultravox",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "ios",
"version" : "13.0"
},
{
"name" : "macos",
"version" : "10.15"
}
],
"products" : [
{
"name" : "Ultravox",
"targets" : [
"Ultravox"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "Ultravox",
"module_type" : "SwiftTarget",
"name" : "Ultravox",
"path" : "Sources/Ultravox",
"product_dependencies" : [
"LiveKit"
],
"product_memberships" : [
"Ultravox"
],
"sources" : [
"Ultravox.swift"
],
"type" : "library"
}
],
"tools_version" : "6.0"
}
{
"workspace" : {
"name" : "spi-builder-workspace",
"schemes" : [
"Ultravox"
]
}
}
2026-04-16 02:37:11.939 xcodebuild[1082:5897] [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 Ultravox -destination generic/platform=watchOS
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 Ultravox -destination generic/platform=watchOS
Resolve Package Graph
Resolved source packages:
LiveKit: https://github.com/livekit/client-sdk-swift.git @ 2.13.0
SwiftProtobuf: https://github.com/apple/swift-protobuf.git @ 1.36.1
Ultravox: /Users/admin/builder/spi-builder-workspace
LiveKitWebRTC: https://github.com/livekit/webrtc-xcframework.git @ 144.7559.3
LiveKitUniFFI: https://github.com/livekit/livekit-uniffi-xcframework.git @ 0.0.5
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (12 targets)
Target 'Ultravox' in project 'Ultravox'
➜ Explicit dependency on target 'Ultravox' in project 'Ultravox'
➜ Explicit dependency on target 'LiveKit' in project 'LiveKit'
Target 'Ultravox' in project 'Ultravox'
➜ Explicit dependency on target 'LiveKit' in project 'LiveKit'
Target 'LiveKit' in project 'LiveKit'
➜ Explicit dependency on target 'LiveKit' in project 'LiveKit'
➜ Explicit dependency on target 'LiveKit_LiveKit' in project 'LiveKit'
➜ Explicit dependency on target 'LKObjCHelpers' in project 'LiveKit'
➜ Explicit dependency on target 'LiveKitWebRTC' in project 'LiveKitWebRTC'
➜ Explicit dependency on target 'LiveKitUniFFI' in project 'LiveKitUniFFI'
➜ Explicit dependency on target 'SwiftProtobuf' in project 'SwiftProtobuf'
Target 'LiveKit' in project 'LiveKit'
➜ Explicit dependency on target 'LiveKit_LiveKit' in project 'LiveKit'
➜ Explicit dependency on target 'LKObjCHelpers' in project 'LiveKit'
➜ Explicit dependency on target 'LiveKitWebRTC' in project 'LiveKitWebRTC'
➜ Explicit dependency on target 'LiveKitUniFFI' in project 'LiveKitUniFFI'
➜ Explicit dependency on target 'SwiftProtobuf' in project 'SwiftProtobuf'
Target 'SwiftProtobuf' in project 'SwiftProtobuf'
➜ Explicit dependency on target 'SwiftProtobuf' in project 'SwiftProtobuf'
➜ Explicit dependency on target 'SwiftProtobuf_SwiftProtobuf' in project 'SwiftProtobuf'
Target 'SwiftProtobuf' in project 'SwiftProtobuf'
➜ Explicit dependency on target 'SwiftProtobuf_SwiftProtobuf' in project 'SwiftProtobuf'
Target 'SwiftProtobuf_SwiftProtobuf' in project 'SwiftProtobuf' (no dependencies)
Target 'LiveKitUniFFI' in project 'LiveKitUniFFI'
➜ Explicit dependency on target 'LiveKitUniFFI' in project 'LiveKitUniFFI'
Target 'LiveKitUniFFI' in project 'LiveKitUniFFI' (no dependencies)
Target 'LiveKitWebRTC' in project 'LiveKitWebRTC' (no dependencies)
Target 'LKObjCHelpers' in project 'LiveKit' (no dependencies)
Target 'LiveKit_LiveKit' in project 'LiveKit' (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/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk -x objective-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 -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch armv7k -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk -x objective-c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch armv7k -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64_32 -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk -x objective-c -c /dev/null
ReadFileContents /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/share/docc/features.json
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64_32 -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk -x c -c /dev/null
Build description signature: 1edf4368cc620d6b7208c835e7a25a09
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/1edf4368cc620d6b7208c835e7a25a09.xcbuilddata
/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/webrtc-xcframework/LiveKitWebRTC/LiveKitWebRTC.xcframework:1:1: error: While building for watchOS, no library for this platform was found in '/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/webrtc-xcframework/LiveKitWebRTC/LiveKitWebRTC.xcframework'. (in target 'Ultravox' from project 'Ultravox')
/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/webrtc-xcframework/LiveKitWebRTC/LiveKitWebRTC.xcframework:1:1: error: While building for watchOS, no library for this platform was found in '/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/webrtc-xcframework/LiveKitWebRTC/LiveKitWebRTC.xcframework'. (in target 'Ultravox' from project 'Ultravox')
/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/livekit-uniffi-xcframework/RustLiveKitUniFFI/RustLiveKitUniFFI.xcframework:1:1: error: While building for watchOS, no library for this platform was found in '/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/livekit-uniffi-xcframework/RustLiveKitUniFFI/RustLiveKitUniFFI.xcframework'. (in target 'Ultravox' from project 'Ultravox')
/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/livekit-uniffi-xcframework/RustLiveKitUniFFI/RustLiveKitUniFFI.xcframework:1:1: error: While building for watchOS, no library for this platform was found in '/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/livekit-uniffi-xcframework/RustLiveKitUniFFI/RustLiveKitUniFFI.xcframework'. (in target 'LiveKitUniFFI' from project 'LiveKitUniFFI')
/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/webrtc-xcframework/LiveKitWebRTC/LiveKitWebRTC.xcframework:1:1: error: While building for watchOS, no library for this platform was found in '/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/webrtc-xcframework/LiveKitWebRTC/LiveKitWebRTC.xcframework'. (in target 'LiveKit' from project 'LiveKit')
/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/livekit-uniffi-xcframework/RustLiveKitUniFFI/RustLiveKitUniFFI.xcframework:1:1: error: While building for watchOS, no library for this platform was found in '/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/livekit-uniffi-xcframework/RustLiveKitUniFFI/RustLiveKitUniFFI.xcframework'. (in target 'LiveKitUniFFI' from project 'LiveKitUniFFI')
/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/webrtc-xcframework/LiveKitWebRTC/LiveKitWebRTC.xcframework:1:1: error: While building for watchOS, no library for this platform was found in '/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/webrtc-xcframework/LiveKitWebRTC/LiveKitWebRTC.xcframework'. (in target 'LiveKit' from project 'LiveKit')
/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/webrtc-xcframework/LiveKitWebRTC/LiveKitWebRTC.xcframework:1:1: error: While building for watchOS, no library for this platform was found in '/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/webrtc-xcframework/LiveKitWebRTC/LiveKitWebRTC.xcframework'. (in target 'LiveKit' from project 'LiveKit')
/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/livekit-uniffi-xcframework/RustLiveKitUniFFI/RustLiveKitUniFFI.xcframework:1:1: error: While building for watchOS, no library for this platform was found in '/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/livekit-uniffi-xcframework/RustLiveKitUniFFI/RustLiveKitUniFFI.xcframework'. (in target 'LiveKit' from project 'LiveKit')
/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/webrtc-xcframework/LiveKitWebRTC/LiveKitWebRTC.xcframework:1:1: error: While building for watchOS, no library for this platform was found in '/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/webrtc-xcframework/LiveKitWebRTC/LiveKitWebRTC.xcframework'. (in target 'LiveKitWebRTC' from project 'LiveKitWebRTC')
2026-04-16 02:37:13.805 xcodebuild[1098:5971] [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 Ultravox
(1 failure)
BUILD FAILURE 6.3 watchOS