Build Information
Failed to build CalendarView, reference 0.2.1 (8c811c), with Swift 6.3 for watchOS using Xcode 26.4 on 14 Apr 2026 23:14:10 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme CalendarView -destination generic/platform=watchOSBuild Log
========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/edonv/CalendarView.git
Reference: 0.2.1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/edonv/CalendarView
* tag 0.2.1 -> FETCH_HEAD
HEAD is now at 8c811cf Update .spi.yml
Cloned https://github.com/edonv/CalendarView.git
Revision (git rev-parse @):
8c811cf1d5ac52c662f82acca263e23cd9cde48e
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/edonv/CalendarView.git at 0.2.1
========================================
Build
========================================
Selected platform: watchOS
Swift version: 6.3
Building package at path: $PWD
https://github.com/edonv/CalendarView.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
Resolve Package Graph
Resolved source packages:
CalendarView: /Users/admin/builder/spi-builder-workspace
resolved source packages: CalendarView
2026-04-14 19:13:48.863 xcodebuild[529:3044] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
"dependencies" : [
],
"manifest_display_name" : "CalendarView",
"name" : "CalendarView",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "ios",
"version" : "16.0"
},
{
"name" : "maccatalyst",
"version" : "16.0"
},
{
"name" : "visionos",
"version" : "1.0"
}
],
"products" : [
{
"name" : "CalendarView",
"targets" : [
"CalendarView"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "CalendarViewTests",
"module_type" : "SwiftTarget",
"name" : "CalendarViewTests",
"path" : "Tests/CalendarViewTests",
"sources" : [
"CalendarViewTests.swift"
],
"target_dependencies" : [
"CalendarView"
],
"type" : "test"
},
{
"c99name" : "CalendarView",
"module_type" : "SwiftTarget",
"name" : "CalendarView",
"path" : "Sources/CalendarView",
"product_memberships" : [
"CalendarView"
],
"sources" : [
"CalendarView+Coordinator.swift",
"CalendarView+Decoration.swift",
"CalendarView+Previews.swift",
"CalendarView+SelectionMode.swift",
"CalendarView.swift",
"Convenience Extensions/DateInterval+RangeInit.swift",
"Convenience Extensions/EnvironmentModifiers.swift",
"Internal Extensions/Array+Duplicates.swift",
"Internal Extensions/Binding+Map.swift"
],
"type" : "library"
}
],
"tools_version" : "5.9"
}
{
"workspace" : {
"name" : "spi-builder-workspace",
"schemes" : [
"CalendarView"
]
}
}
2026-04-14 19:13:56.453 xcodebuild[628:3794] [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 CalendarView -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 CalendarView -destination generic/platform=watchOS
Resolve Package Graph
Resolved source packages:
CalendarView: /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 'CalendarView' in project 'CalendarView'
➜ Explicit dependency on target 'CalendarView' in project 'CalendarView'
Target 'CalendarView' in project 'CalendarView' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
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/swiftc --version
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
ReadFileContents /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/share/docc/features.json
Build description signature: 04eecb26d1058a334cd5ba572c264784
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/04eecb26d1058a334cd5ba572c264784.xcbuilddata
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-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos26.4-23T238-688ef53f1462e2c8f657fdc38a81448f9e51884a582f42380855760c9d4cc599.sdkstatcache
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
/Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos26.4-23T238-688ef53f1462e2c8f657fdc38a81448f9e51884a582f42380855760c9d4cc599.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/EagerLinkingTBDs/Debug-watchos
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-watchos
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/PackageFrameworks
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/PackageFrameworks
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/CalendarView.modulemap (in target 'CalendarView' from project 'CalendarView')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/CalendarView.modulemap
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/Objects-normal/arm64_32/CalendarView.SwiftConstValuesFileList (in target 'CalendarView' from project 'CalendarView')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/Objects-normal/arm64_32/CalendarView.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/Objects-normal/arm64_32/CalendarView_const_extract_protocols.json (in target 'CalendarView' from project 'CalendarView')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/Objects-normal/arm64_32/CalendarView_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/Objects-normal/arm64/CalendarView.SwiftConstValuesFileList (in target 'CalendarView' from project 'CalendarView')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/Objects-normal/arm64/CalendarView.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/Objects-normal/arm64/CalendarView.SwiftFileList (in target 'CalendarView' from project 'CalendarView')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/Objects-normal/arm64/CalendarView.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/Objects-normal/arm64/CalendarView_const_extract_protocols.json (in target 'CalendarView' from project 'CalendarView')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/Objects-normal/arm64/CalendarView_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/Objects-normal/arm64_32/CalendarView.SwiftFileList (in target 'CalendarView' from project 'CalendarView')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/Objects-normal/arm64_32/CalendarView.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/Objects-normal/arm64_32/CalendarView-OutputFileMap.json (in target 'CalendarView' from project 'CalendarView')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/Objects-normal/arm64_32/CalendarView-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/Objects-normal/arm64_32/CalendarView.LinkFileList (in target 'CalendarView' from project 'CalendarView')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/Objects-normal/arm64_32/CalendarView.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/Objects-normal/arm64/CalendarView.LinkFileList (in target 'CalendarView' from project 'CalendarView')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/Objects-normal/arm64/CalendarView.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/Objects-normal/arm64/CalendarView-OutputFileMap.json (in target 'CalendarView' from project 'CalendarView')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/Objects-normal/arm64/CalendarView-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/CalendarView.DependencyStaticMetadataFileList (in target 'CalendarView' from project 'CalendarView')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/CalendarView.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/CalendarView.DependencyMetadataFileList (in target 'CalendarView' from project 'CalendarView')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/CalendarView.DependencyMetadataFileList
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-watchos/CalendarView.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/CalendarView.modulemap (in target 'CalendarView' from project 'CalendarView')
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/CalendarView.build/Debug-watchos/CalendarView.build/CalendarView.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-watchos
SwiftDriver CalendarView normal arm64_32 com.apple.xcode.tools.swift.compiler (in target 'CalendarView' from project 'CalendarView')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-SwiftDriver -- /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name CalendarView -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/Objects-normal/arm64_32/CalendarView.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk -target arm64_32-apple-watchos9.0 -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-watchos -Isystem /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos26.4-23T238-688ef53f1462e2c8f657fdc38a81448f9e51884a582f42380855760c9d4cc599.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/Objects-normal/arm64_32/CalendarView-OutputFileMap.json -use-frontend-parseable-output -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/ModuleCache.noindex -serialize-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/Objects-normal/arm64_32/CalendarView.swiftmodule -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -package-name spi_builder_workspace -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/Objects-normal/arm64_32/CalendarView_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/DerivedSources-normal/arm64_32 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/DerivedSources/arm64_32 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.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/CalendarView.build/Debug-watchos/CalendarView.build/Objects-normal/arm64_32/CalendarView-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftDriver CalendarView normal arm64 com.apple.xcode.tools.swift.compiler (in target 'CalendarView' from project 'CalendarView')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-SwiftDriver -- /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name CalendarView -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/Objects-normal/arm64/CalendarView.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk -target arm64-apple-watchos9.0 -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-watchos -Isystem /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos26.4-23T238-688ef53f1462e2c8f657fdc38a81448f9e51884a582f42380855760c9d4cc599.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/Objects-normal/arm64/CalendarView-OutputFileMap.json -use-frontend-parseable-output -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/ModuleCache.noindex -serialize-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/Objects-normal/arm64/CalendarView.swiftmodule -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -package-name spi_builder_workspace -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/Objects-normal/arm64/CalendarView_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.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/CalendarView.build/Debug-watchos/CalendarView.build/Objects-normal/arm64/CalendarView-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/ModuleCache.noindex/DeveloperToolsSupport-5MZ8EW7NLJWA7IKR4GLJFNETU.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_float-64SVI3JFJ3UKP4C6X0OLYO830.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_stdbool-CM4QDBLSHYZT29UKT3T72KQVR.pcm
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SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_DarwinFoundation3-85XSHOS3CYWKRNKX2G54S4O40.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_stdatomic-C4XIH00HPYLUZUYX1OO6N5AHD.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_DarwinFoundation3-64R5F69X303A73IHCYRY9YQZ5.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_intrinsics-5E0WJX3ZS74HNOLQ8Q7FQHXTM.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_stdatomic-DLHOAHOR8GLK4022COFU562FV.pcm
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SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/simd-93HVP82BEGEB3QDZRARK75YZ0.pcm
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SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/MachO-6OVRRG971REDI9TGJVV7MUK7J.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/os_object-C5Y3EORD6K8DOSP4T3Q3RFZ8L.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/os_object-IVSSSVSJYK45M023SEEMEEK7.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/os_workgroup-819V7E6IGB5TNT5WEQ245EX6R.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/os_workgroup-1OOJFHXIHOZPPYDUR9OHEF8Q8.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Spatial-5SEWWCKXBGK2U2GP0AM85IL0M.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Spatial-APGIL5XRA4Z9FRU214Q8KO347.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Dispatch-R1PG9Y2DP3EK3LRUA8PRPADC.pcm
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SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/XPC-9LXFH1YGCTEYI6FZTMA69KC0E.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/CoreFoundation-5K8M5ISJ7BMQVNR98DK2M4NVG.pcm
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SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/CoreFoundation-ARJYTIRRDW39S4NN6EM23QIBS.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/os-BDPCIHQ8S0Y3RPV5OGGIJLBOI.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/os-FCCOJCZWP2Q09XPQ8G3X375E.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Security-BV24I6SQZR1TBPFSIT5KTQ5X9.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/CoreGraphics-1L5IBV5BK03AOHQMVY94DA0Y9.pcm
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SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Foundation-6R9V5UMJYXKQLO5TWCMLTAXSH.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/CoreVideo-1K1IVEGX3YCBIEYLBA6OWJAE3.pcm
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SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/DataDetection-9MZGFMND9QLYM91N6G142CEC1.pcm
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SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/QuartzCore-5O2JCF71SSNHHYM5PE623JIQQ.pcm
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SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/CoreTransferable-ALDBP3KNFU3XIEH7I3FWE9C55.pcm
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SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/CoreLocation-2YAZZ6ALWYXP5MW2O7B2S52I0.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/UIKit-A8NAX9CYX4DL3CFEXO3JM8ZY5.pcm
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SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/MapKit-F1ZIGUR9KX4RXK1L9RGNLGTA2.pcm
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SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/HomeKit-CWGMV8RVDR50WYITXZ84VVQJG.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/WatchKit-3G96APSP1GZE65CIKC2BO3Z2E.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/WatchKit-BP2PB9NS0O0YWS0XU3O12SJB6.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/SwiftUI-6F98K2RU9CERXOT4R9M47COR6.pcm
SwiftCompile normal arm64 Compiling\ DateInterval+RangeInit.swift /Users/admin/builder/spi-builder-workspace/Sources/CalendarView/Convenience\ Extensions/DateInterval+RangeInit.swift (in target 'CalendarView' from project 'CalendarView')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/CalendarView/Convenience\ Extensions/DateInterval+RangeInit.swift (in target 'CalendarView' from project 'CalendarView')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftEmitModule normal arm64 Emitting\ module\ for\ CalendarView (in target 'CalendarView' from project 'CalendarView')
Failed frontend command:
/Applications/Xcode-26.4.0.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/CalendarView/CalendarView+Coordinator.swift /Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView+Decoration.swift /Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView+Previews.swift /Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView+SelectionMode.swift /Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView.swift /Users/admin/builder/spi-builder-workspace/Sources/CalendarView/Convenience\ Extensions/DateInterval+RangeInit.swift /Users/admin/builder/spi-builder-workspace/Sources/CalendarView/Convenience\ Extensions/EnvironmentModifiers.swift /Users/admin/builder/spi-builder-workspace/Sources/CalendarView/Internal\ Extensions/Array+Duplicates.swift /Users/admin/builder/spi-builder-workspace/Sources/CalendarView/Internal\ Extensions/Binding+Map.swift -target arm64-apple-watchos9.0 -load-resolved-plugin /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins/libFoundationMacros.dylib\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server\#FoundationMacros -load-resolved-plugin /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins/libObservationMacros.dylib\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server\#ObservationMacros -load-resolved-plugin /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins/libPreviewsMacros.dylib\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server\#PreviewsMacros -load-resolved-plugin /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins/libSwiftMacros.dylib\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server\#SwiftMacros -load-resolved-plugin /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins/libSwiftUIMacros.dylib\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server\#SwiftUIMacros -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/CalendarView.build/Debug-watchos/CalendarView.build/Objects-normal/arm64/CalendarView-dependencies-1.json -Xllvm -aarch64-use-tbi -enable-objc-interop -stack-check -sdk /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -Isystem /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk/Developer/Library/Frameworks -no-color-diagnostics -Xcc -fno-color-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -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 -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/Objects-normal/arm64/CalendarView_const_extract_protocols.json -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/watchos26.4-23T238-688ef53f1462e2c8f657fdc38a81448f9e51884a582f42380855760c9d4cc599.sdkstatcache -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/swift-overrides.hmap -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name CalendarView -package-name spi_builder_workspace -frontend-parseable-output -disable-clang-spi -clang-target arm64-apple-watchos26.4 -target-sdk-version 26.4 -target-sdk-name watchos26.4 -in-process-plugin-server-path /Applications/Xcode-26.4.0.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/CalendarView.build/Debug-watchos/CalendarView.build/Objects-normal/arm64/CalendarView.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/Objects-normal/arm64/CalendarView.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/Objects-normal/arm64/CalendarView-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/Objects-normal/arm64/CalendarView-primary-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/Objects-normal/arm64/CalendarView-primary-emit-module.d -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/Objects-normal/arm64/CalendarView.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/Objects-normal/arm64/CalendarView.abi.json
EmitSwiftModule normal arm64 (in target 'CalendarView' from project 'CalendarView')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
/Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView.swift:11:29: error: cannot find type 'UIViewRepresentable' in scope
public struct CalendarView: UIViewRepresentable {
^~~~~~~~~~~~~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView+Coordinator.swift:33:25: error: 'UICalendarView' is unavailable in watchOS
_ calendarView: UICalendarView,
^~~~~~~~~~~~~~
/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk/System/Library/Frameworks/UIKit.framework/Headers/UICalendarView.h:18:12: note: 'UICalendarView' has been explicitly marked unavailable here
@interface UICalendarView : UIView
^
/Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView+Coordinator.swift:35:10: error: 'UICalendarView' is unavailable in watchOS
) -> UICalendarView.Decoration? {
^~~~~~~~~~~~~~
/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk/System/Library/Frameworks/UIKit.framework/Headers/UICalendarView.h:18:12: note: 'UICalendarView' has been explicitly marked unavailable here
@interface UICalendarView : UIView
^
/Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView+Coordinator.swift:67:25: error: 'UICalendarView' is unavailable in watchOS
_ calendarView: UICalendarView,
^~~~~~~~~~~~~~
/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk/System/Library/Frameworks/UIKit.framework/Headers/UICalendarView.h:18:12: note: 'UICalendarView' has been explicitly marked unavailable here
@interface UICalendarView : UIView
^
/Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView+Coordinator.swift:25:37: error: 'UICalendarViewDelegate' is unavailable in watchOS
extension CalendarView.Coordinator: UICalendarViewDelegate {
^~~~~~~~~~~~~~~~~~~~~~
/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk/System/Library/Frameworks/UIKit.framework/Headers/UICalendarView.h:74:11: note: 'UICalendarViewDelegate' has been explicitly marked unavailable here
@protocol UICalendarViewDelegate<NSObject>
^
/Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView+Coordinator.swift:86:22: error: 'UICalendarSelectionMultiDate' is unavailable in watchOS
_ selection: UICalendarSelectionMultiDate,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk/System/Library/Frameworks/UIKit.framework/Headers/UICalendarSelectionMultiDate.h:16:12: note: 'UICalendarSelectionMultiDate' has been explicitly marked unavailable here
@interface UICalendarSelectionMultiDate : UICalendarSelection
^
/Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView+Coordinator.swift:99:22: error: 'UICalendarSelectionMultiDate' is unavailable in watchOS
_ selection: UICalendarSelectionMultiDate,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk/System/Library/Frameworks/UIKit.framework/Headers/UICalendarSelectionMultiDate.h:16:12: note: 'UICalendarSelectionMultiDate' has been explicitly marked unavailable here
@interface UICalendarSelectionMultiDate : UICalendarSelection
^
/Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView+Coordinator.swift:76:37: error: 'UICalendarSelectionMultiDateDelegate' is unavailable in watchOS
extension CalendarView.Coordinator: UICalendarSelectionMultiDateDelegate {
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk/System/Library/Frameworks/UIKit.framework/Headers/UICalendarSelectionMultiDate.h:33:11: note: 'UICalendarSelectionMultiDateDelegate' has been explicitly marked unavailable here
@protocol UICalendarSelectionMultiDateDelegate <NSObject>
^
/Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView+Coordinator.swift:119:22: error: 'UICalendarSelectionSingleDate' is unavailable in watchOS
_ selection: UICalendarSelectionSingleDate,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk/System/Library/Frameworks/UIKit.framework/Headers/UICalendarSelectionSingleDate.h:16:12: note: 'UICalendarSelectionSingleDate' has been explicitly marked unavailable here
@interface UICalendarSelectionSingleDate : UICalendarSelection
^
/Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView+Coordinator.swift:109:37: error: 'UICalendarSelectionSingleDateDelegate' is unavailable in watchOS
extension CalendarView.Coordinator: UICalendarSelectionSingleDateDelegate {
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk/System/Library/Frameworks/UIKit.framework/Headers/UICalendarSelectionSingleDate.h:34:11: note: 'UICalendarSelectionSingleDateDelegate' has been explicitly marked unavailable here
@protocol UICalendarSelectionSingleDateDelegate <NSObject>
^
/Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView+Decoration.swift:11:39: error: 'UICalendarView' is unavailable in watchOS
public typealias DecorationSize = UICalendarView.DecorationSize
^~~~~~~~~~~~~~
/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk/System/Library/Frameworks/UIKit.framework/Headers/UICalendarView.h:18:12: note: 'UICalendarView' has been explicitly marked unavailable here
@interface UICalendarView : UIView
^
/Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView+Decoration.swift:15:34: error: 'UICalendarView' is unavailable in watchOS
internal let decoration: UICalendarView.Decoration
^~~~~~~~~~~~~~
/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk/System/Library/Frameworks/UIKit.framework/Headers/UICalendarView.h:18:12: note: 'UICalendarView' has been explicitly marked unavailable here
@interface UICalendarView : UIView
^
/Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView+Decoration.swift:22:36: error: 'UICalendarView' is unavailable in watchOS
private init(_ decoration: UICalendarView.Decoration) {
^~~~~~~~~~~~~~
/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk/System/Library/Frameworks/UIKit.framework/Headers/UICalendarView.h:18:12: note: 'UICalendarView' has been explicitly marked unavailable here
@interface UICalendarView : UIView
^
/Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView+Previews.swift:69:5: error: static method 'buildExpression' requires that 'UICalendarView' conform to 'View'
UICalendarView(frame: .zero)
^
SwiftUI.ViewBuilder.buildExpression:2:20: note: where 'Content' = 'UICalendarView'
public static func buildExpression<Content>(_ content: Content) -> Content where Content : View}
^
/Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView.swift:90:37: error: cannot find type 'Context' in scope
public func makeUIView(context: Context) -> UICalendarView {
^~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView.swift:90:49: error: 'UICalendarView' is unavailable in watchOS
public func makeUIView(context: Context) -> UICalendarView {
^~~~~~~~~~~~~~
/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk/System/Library/Frameworks/UIKit.framework/Headers/UICalendarView.h:18:12: note: 'UICalendarView' has been explicitly marked unavailable here
@interface UICalendarView : UIView
^
/Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView.swift:118:65: error: cannot find type 'Context' in scope
public func updateUIView(_ uiView: UICalendarView, context: Context) {
^~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView.swift:118:40: error: 'UICalendarView' is unavailable in watchOS
public func updateUIView(_ uiView: UICalendarView, context: Context) {
^~~~~~~~~~~~~~
/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk/System/Library/Frameworks/UIKit.framework/Headers/UICalendarView.h:18:12: note: 'UICalendarView' has been explicitly marked unavailable here
@interface UICalendarView : UIView
^
SwiftCompile normal arm64 Compiling\ EnvironmentModifiers.swift /Users/admin/builder/spi-builder-workspace/Sources/CalendarView/Convenience\ Extensions/EnvironmentModifiers.swift (in target 'CalendarView' from project 'CalendarView')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/CalendarView/Convenience\ Extensions/EnvironmentModifiers.swift (in target 'CalendarView' from project 'CalendarView')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ CalendarView.swift /Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView.swift (in target 'CalendarView' from project 'CalendarView')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView.swift (in target 'CalendarView' from project 'CalendarView')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ Binding+Map.swift /Users/admin/builder/spi-builder-workspace/Sources/CalendarView/Internal\ Extensions/Binding+Map.swift (in target 'CalendarView' from project 'CalendarView')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/CalendarView/Internal\ Extensions/Binding+Map.swift (in target 'CalendarView' from project 'CalendarView')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ CalendarView+Previews.swift /Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView+Previews.swift (in target 'CalendarView' from project 'CalendarView')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView+Previews.swift (in target 'CalendarView' from project 'CalendarView')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ CalendarView+SelectionMode.swift /Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView+SelectionMode.swift (in target 'CalendarView' from project 'CalendarView')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView+SelectionMode.swift (in target 'CalendarView' from project 'CalendarView')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ CalendarView+Decoration.swift /Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView+Decoration.swift (in target 'CalendarView' from project 'CalendarView')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView+Decoration.swift (in target 'CalendarView' from project 'CalendarView')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ CalendarView+Coordinator.swift /Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView+Coordinator.swift (in target 'CalendarView' from project 'CalendarView')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView+Coordinator.swift (in target 'CalendarView' from project 'CalendarView')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ Array+Duplicates.swift /Users/admin/builder/spi-builder-workspace/Sources/CalendarView/Internal\ Extensions/Array+Duplicates.swift (in target 'CalendarView' from project 'CalendarView')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/CalendarView/Internal\ Extensions/Array+Duplicates.swift (in target 'CalendarView' from project 'CalendarView')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/SwiftUI-AEO5BILCDFD91YRNCNOK0QG3V.pcm
2026-04-14 19:13:57.918 xcodebuild[632:3840] [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\ CalendarView (in target 'CalendarView' from project 'CalendarView')
EmitSwiftModule normal arm64 (in target 'CalendarView' from project 'CalendarView')
Building workspace spi-builder-workspace with scheme CalendarView
(3 failures)
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:
CalendarView: /Users/admin/builder/spi-builder-workspace
resolved source packages: CalendarView
2026-04-14 19:14:06.728 xcodebuild[769:4372] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
"dependencies" : [
],
"manifest_display_name" : "CalendarView",
"name" : "CalendarView",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "ios",
"version" : "16.0"
},
{
"name" : "maccatalyst",
"version" : "16.0"
},
{
"name" : "visionos",
"version" : "1.0"
}
],
"products" : [
{
"name" : "CalendarView",
"targets" : [
"CalendarView"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "CalendarViewTests",
"module_type" : "SwiftTarget",
"name" : "CalendarViewTests",
"path" : "Tests/CalendarViewTests",
"sources" : [
"CalendarViewTests.swift"
],
"target_dependencies" : [
"CalendarView"
],
"type" : "test"
},
{
"c99name" : "CalendarView",
"module_type" : "SwiftTarget",
"name" : "CalendarView",
"path" : "Sources/CalendarView",
"product_memberships" : [
"CalendarView"
],
"sources" : [
"CalendarView+Coordinator.swift",
"CalendarView+Decoration.swift",
"CalendarView+Previews.swift",
"CalendarView+SelectionMode.swift",
"CalendarView.swift",
"Convenience Extensions/DateInterval+RangeInit.swift",
"Convenience Extensions/EnvironmentModifiers.swift",
"Internal Extensions/Array+Duplicates.swift",
"Internal Extensions/Binding+Map.swift"
],
"type" : "library"
}
],
"tools_version" : "5.9"
}
{
"workspace" : {
"name" : "spi-builder-workspace",
"schemes" : [
"CalendarView"
]
}
}
2026-04-14 19:14:07.797 xcodebuild[778:4450] [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 CalendarView -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 CalendarView -destination generic/platform=watchOS
Resolve Package Graph
Resolved source packages:
CalendarView: /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 'CalendarView' in project 'CalendarView'
➜ Explicit dependency on target 'CalendarView' in project 'CalendarView'
Target 'CalendarView' in project 'CalendarView' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ClangStatCache /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos26.4-23T238-688ef53f1462e2c8f657fdc38a81448f9e51884a582f42380855760c9d4cc599.sdkstatcache
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
/Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos26.4-23T238-688ef53f1462e2c8f657fdc38a81448f9e51884a582f42380855760c9d4cc599.sdkstatcache
SwiftDriver CalendarView normal arm64 com.apple.xcode.tools.swift.compiler (in target 'CalendarView' from project 'CalendarView')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-SwiftDriver -- /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name CalendarView -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/Objects-normal/arm64/CalendarView.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk -target arm64-apple-watchos9.0 -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-watchos -Isystem /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos26.4-23T238-688ef53f1462e2c8f657fdc38a81448f9e51884a582f42380855760c9d4cc599.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/Objects-normal/arm64/CalendarView-OutputFileMap.json -use-frontend-parseable-output -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/ModuleCache.noindex -serialize-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/Objects-normal/arm64/CalendarView.swiftmodule -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -package-name spi_builder_workspace -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/Objects-normal/arm64/CalendarView_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.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/CalendarView.build/Debug-watchos/CalendarView.build/Objects-normal/arm64/CalendarView-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftDriver CalendarView normal arm64_32 com.apple.xcode.tools.swift.compiler (in target 'CalendarView' from project 'CalendarView')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-SwiftDriver -- /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name CalendarView -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/Objects-normal/arm64_32/CalendarView.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk -target arm64_32-apple-watchos9.0 -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-watchos -Isystem /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos26.4-23T238-688ef53f1462e2c8f657fdc38a81448f9e51884a582f42380855760c9d4cc599.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/Objects-normal/arm64_32/CalendarView-OutputFileMap.json -use-frontend-parseable-output -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/ModuleCache.noindex -serialize-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/Objects-normal/arm64_32/CalendarView.swiftmodule -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -package-name spi_builder_workspace -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/Objects-normal/arm64_32/CalendarView_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/DerivedSources-normal/arm64_32 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/DerivedSources/arm64_32 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.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/CalendarView.build/Debug-watchos/CalendarView.build/Objects-normal/arm64_32/CalendarView-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftCompile normal arm64 Compiling\ CalendarView+Coordinator.swift /Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView+Coordinator.swift (in target 'CalendarView' from project 'CalendarView')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView+Coordinator.swift (in target 'CalendarView' from project 'CalendarView')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ DateInterval+RangeInit.swift /Users/admin/builder/spi-builder-workspace/Sources/CalendarView/Convenience\ Extensions/DateInterval+RangeInit.swift (in target 'CalendarView' from project 'CalendarView')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/CalendarView/Convenience\ Extensions/DateInterval+RangeInit.swift (in target 'CalendarView' from project 'CalendarView')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ CalendarView+Decoration.swift /Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView+Decoration.swift (in target 'CalendarView' from project 'CalendarView')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView+Decoration.swift (in target 'CalendarView' from project 'CalendarView')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftEmitModule normal arm64 Emitting\ module\ for\ CalendarView (in target 'CalendarView' from project 'CalendarView')
Failed frontend command:
/Applications/Xcode-26.4.0.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/CalendarView/CalendarView+Coordinator.swift /Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView+Decoration.swift /Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView+Previews.swift /Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView+SelectionMode.swift /Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView.swift /Users/admin/builder/spi-builder-workspace/Sources/CalendarView/Convenience\ Extensions/DateInterval+RangeInit.swift /Users/admin/builder/spi-builder-workspace/Sources/CalendarView/Convenience\ Extensions/EnvironmentModifiers.swift /Users/admin/builder/spi-builder-workspace/Sources/CalendarView/Internal\ Extensions/Array+Duplicates.swift /Users/admin/builder/spi-builder-workspace/Sources/CalendarView/Internal\ Extensions/Binding+Map.swift -target arm64-apple-watchos9.0 -load-resolved-plugin /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins/libFoundationMacros.dylib\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server\#FoundationMacros -load-resolved-plugin /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins/libObservationMacros.dylib\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server\#ObservationMacros -load-resolved-plugin /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins/libPreviewsMacros.dylib\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server\#PreviewsMacros -load-resolved-plugin /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins/libSwiftMacros.dylib\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server\#SwiftMacros -load-resolved-plugin /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins/libSwiftUIMacros.dylib\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server\#SwiftUIMacros -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/CalendarView.build/Debug-watchos/CalendarView.build/Objects-normal/arm64/CalendarView-dependencies-1.json -Xllvm -aarch64-use-tbi -enable-objc-interop -stack-check -sdk /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -Isystem /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk/Developer/Library/Frameworks -no-color-diagnostics -Xcc -fno-color-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -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 -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/Objects-normal/arm64/CalendarView_const_extract_protocols.json -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/watchos26.4-23T238-688ef53f1462e2c8f657fdc38a81448f9e51884a582f42380855760c9d4cc599.sdkstatcache -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/swift-overrides.hmap -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name CalendarView -package-name spi_builder_workspace -frontend-parseable-output -disable-clang-spi -clang-target arm64-apple-watchos26.4 -target-sdk-version 26.4 -target-sdk-name watchos26.4 -in-process-plugin-server-path /Applications/Xcode-26.4.0.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/CalendarView.build/Debug-watchos/CalendarView.build/Objects-normal/arm64/CalendarView.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/Objects-normal/arm64/CalendarView.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/Objects-normal/arm64/CalendarView-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/Objects-normal/arm64/CalendarView-primary-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/Objects-normal/arm64/CalendarView-primary-emit-module.d -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/Objects-normal/arm64/CalendarView.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CalendarView.build/Debug-watchos/CalendarView.build/Objects-normal/arm64/CalendarView.abi.json
EmitSwiftModule normal arm64 (in target 'CalendarView' from project 'CalendarView')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
/Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView.swift:11:29: error: cannot find type 'UIViewRepresentable' in scope
public struct CalendarView: UIViewRepresentable {
^~~~~~~~~~~~~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView+Coordinator.swift:33:25: error: 'UICalendarView' is unavailable in watchOS
_ calendarView: UICalendarView,
^~~~~~~~~~~~~~
/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk/System/Library/Frameworks/UIKit.framework/Headers/UICalendarView.h:18:12: note: 'UICalendarView' has been explicitly marked unavailable here
@interface UICalendarView : UIView
^
/Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView+Coordinator.swift:35:10: error: 'UICalendarView' is unavailable in watchOS
) -> UICalendarView.Decoration? {
^~~~~~~~~~~~~~
/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk/System/Library/Frameworks/UIKit.framework/Headers/UICalendarView.h:18:12: note: 'UICalendarView' has been explicitly marked unavailable here
@interface UICalendarView : UIView
^
/Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView+Coordinator.swift:67:25: error: 'UICalendarView' is unavailable in watchOS
_ calendarView: UICalendarView,
^~~~~~~~~~~~~~
/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk/System/Library/Frameworks/UIKit.framework/Headers/UICalendarView.h:18:12: note: 'UICalendarView' has been explicitly marked unavailable here
@interface UICalendarView : UIView
^
/Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView+Coordinator.swift:25:37: error: 'UICalendarViewDelegate' is unavailable in watchOS
extension CalendarView.Coordinator: UICalendarViewDelegate {
^~~~~~~~~~~~~~~~~~~~~~
/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk/System/Library/Frameworks/UIKit.framework/Headers/UICalendarView.h:74:11: note: 'UICalendarViewDelegate' has been explicitly marked unavailable here
@protocol UICalendarViewDelegate<NSObject>
^
/Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView+Coordinator.swift:86:22: error: 'UICalendarSelectionMultiDate' is unavailable in watchOS
_ selection: UICalendarSelectionMultiDate,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk/System/Library/Frameworks/UIKit.framework/Headers/UICalendarSelectionMultiDate.h:16:12: note: 'UICalendarSelectionMultiDate' has been explicitly marked unavailable here
@interface UICalendarSelectionMultiDate : UICalendarSelection
^
/Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView+Coordinator.swift:99:22: error: 'UICalendarSelectionMultiDate' is unavailable in watchOS
_ selection: UICalendarSelectionMultiDate,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk/System/Library/Frameworks/UIKit.framework/Headers/UICalendarSelectionMultiDate.h:16:12: note: 'UICalendarSelectionMultiDate' has been explicitly marked unavailable here
@interface UICalendarSelectionMultiDate : UICalendarSelection
^
/Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView+Coordinator.swift:76:37: error: 'UICalendarSelectionMultiDateDelegate' is unavailable in watchOS
extension CalendarView.Coordinator: UICalendarSelectionMultiDateDelegate {
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk/System/Library/Frameworks/UIKit.framework/Headers/UICalendarSelectionMultiDate.h:33:11: note: 'UICalendarSelectionMultiDateDelegate' has been explicitly marked unavailable here
@protocol UICalendarSelectionMultiDateDelegate <NSObject>
^
/Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView+Coordinator.swift:119:22: error: 'UICalendarSelectionSingleDate' is unavailable in watchOS
_ selection: UICalendarSelectionSingleDate,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk/System/Library/Frameworks/UIKit.framework/Headers/UICalendarSelectionSingleDate.h:16:12: note: 'UICalendarSelectionSingleDate' has been explicitly marked unavailable here
@interface UICalendarSelectionSingleDate : UICalendarSelection
^
/Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView+Coordinator.swift:109:37: error: 'UICalendarSelectionSingleDateDelegate' is unavailable in watchOS
extension CalendarView.Coordinator: UICalendarSelectionSingleDateDelegate {
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk/System/Library/Frameworks/UIKit.framework/Headers/UICalendarSelectionSingleDate.h:34:11: note: 'UICalendarSelectionSingleDateDelegate' has been explicitly marked unavailable here
@protocol UICalendarSelectionSingleDateDelegate <NSObject>
^
/Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView+Decoration.swift:11:39: error: 'UICalendarView' is unavailable in watchOS
public typealias DecorationSize = UICalendarView.DecorationSize
^~~~~~~~~~~~~~
/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk/System/Library/Frameworks/UIKit.framework/Headers/UICalendarView.h:18:12: note: 'UICalendarView' has been explicitly marked unavailable here
@interface UICalendarView : UIView
^
/Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView+Decoration.swift:15:34: error: 'UICalendarView' is unavailable in watchOS
internal let decoration: UICalendarView.Decoration
^~~~~~~~~~~~~~
/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk/System/Library/Frameworks/UIKit.framework/Headers/UICalendarView.h:18:12: note: 'UICalendarView' has been explicitly marked unavailable here
@interface UICalendarView : UIView
^
/Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView+Decoration.swift:22:36: error: 'UICalendarView' is unavailable in watchOS
private init(_ decoration: UICalendarView.Decoration) {
^~~~~~~~~~~~~~
/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk/System/Library/Frameworks/UIKit.framework/Headers/UICalendarView.h:18:12: note: 'UICalendarView' has been explicitly marked unavailable here
@interface UICalendarView : UIView
^
/Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView+Previews.swift:69:5: error: static method 'buildExpression' requires that 'UICalendarView' conform to 'View'
UICalendarView(frame: .zero)
^
SwiftUI.ViewBuilder.buildExpression:2:20: note: where 'Content' = 'UICalendarView'
public static func buildExpression<Content>(_ content: Content) -> Content where Content : View}
^
/Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView.swift:90:37: error: cannot find type 'Context' in scope
public func makeUIView(context: Context) -> UICalendarView {
^~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView.swift:90:49: error: 'UICalendarView' is unavailable in watchOS
public func makeUIView(context: Context) -> UICalendarView {
^~~~~~~~~~~~~~
/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk/System/Library/Frameworks/UIKit.framework/Headers/UICalendarView.h:18:12: note: 'UICalendarView' has been explicitly marked unavailable here
@interface UICalendarView : UIView
^
/Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView.swift:118:65: error: cannot find type 'Context' in scope
public func updateUIView(_ uiView: UICalendarView, context: Context) {
^~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView.swift:118:40: error: 'UICalendarView' is unavailable in watchOS
public func updateUIView(_ uiView: UICalendarView, context: Context) {
^~~~~~~~~~~~~~
/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk/System/Library/Frameworks/UIKit.framework/Headers/UICalendarView.h:18:12: note: 'UICalendarView' has been explicitly marked unavailable here
@interface UICalendarView : UIView
^
SwiftCompile normal arm64 Compiling\ EnvironmentModifiers.swift /Users/admin/builder/spi-builder-workspace/Sources/CalendarView/Convenience\ Extensions/EnvironmentModifiers.swift (in target 'CalendarView' from project 'CalendarView')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/CalendarView/Convenience\ Extensions/EnvironmentModifiers.swift (in target 'CalendarView' from project 'CalendarView')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ Binding+Map.swift /Users/admin/builder/spi-builder-workspace/Sources/CalendarView/Internal\ Extensions/Binding+Map.swift (in target 'CalendarView' from project 'CalendarView')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/CalendarView/Internal\ Extensions/Binding+Map.swift (in target 'CalendarView' from project 'CalendarView')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ Array+Duplicates.swift /Users/admin/builder/spi-builder-workspace/Sources/CalendarView/Internal\ Extensions/Array+Duplicates.swift (in target 'CalendarView' from project 'CalendarView')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/CalendarView/Internal\ Extensions/Array+Duplicates.swift (in target 'CalendarView' from project 'CalendarView')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ CalendarView.swift /Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView.swift (in target 'CalendarView' from project 'CalendarView')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView.swift (in target 'CalendarView' from project 'CalendarView')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ CalendarView+Previews.swift /Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView+Previews.swift (in target 'CalendarView' from project 'CalendarView')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView+Previews.swift (in target 'CalendarView' from project 'CalendarView')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/SwiftUI-AEO5BILCDFD91YRNCNOK0QG3V.pcm
SwiftCompile normal arm64 Compiling\ CalendarView+SelectionMode.swift /Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView+SelectionMode.swift (in target 'CalendarView' from project 'CalendarView')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView+SelectionMode.swift (in target 'CalendarView' from project 'CalendarView')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftEmitModule normal arm64_32 Emitting\ module\ for\ CalendarView (in target 'CalendarView' from project 'CalendarView')
2026-04-14 19:14:08.650 xcodebuild[780:4478] [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\ CalendarView (in target 'CalendarView' from project 'CalendarView')
EmitSwiftModule normal arm64 (in target 'CalendarView' from project 'CalendarView')
Building workspace spi-builder-workspace with scheme CalendarView
(3 failures)
BUILD FAILURE 6.3 watchOS