Swift Package Index

Build Information

Failed to build HeadlessTabView, reference master (c8f6e4), with Swift 6.4 for macOS (Xcode) using Xcode 27.0 on 18 Sep 2026 15:34:40 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme HeadlessTabView -destination platform=macOS,arch=arm64

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/davidask/HeadlessTabView.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/davidask/HeadlessTabView
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at c8f6e43 Add guard for swapping view controllers, rename generic type
Cloned https://github.com/davidask/HeadlessTabView.git
Revision (git rev-parse @):
c8f6e4399ce65d231231a22d2733a8009c5950be
SUCCESS checkout https://github.com/davidask/HeadlessTabView.git at master
========================================
Build
========================================
Selected platform:         macosXcodebuild
Swift version:             6.4
Building package at path:  $PWD
https://github.com/davidask/HeadlessTabView.git
Command line invocation:
    /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolve Package Graph
Resolved source packages:
  HeadlessTabView: /Users/admin/builder/spi-builder-workspace
resolved source packages: HeadlessTabView
2026-09-18 11:33:46.122 xcodebuild[529:3034] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "HeadlessTabView",
  "name" : "HeadlessTabView",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "tvos",
      "version" : "13.0"
    }
  ],
  "products" : [
    {
      "name" : "HeadlessTabView",
      "targets" : [
        "HeadlessTabView"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "HeadlessTabView",
      "module_type" : "SwiftTarget",
      "name" : "HeadlessTabView",
      "path" : "Sources/HeadlessTabView",
      "product_memberships" : [
        "HeadlessTabView"
      ],
      "sources" : [
        "HeadlessTabView.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.6"
}
{
  "workspace" : {
    "name" : "HeadlessTabView",
    "schemes" : [
      "HeadlessTabView"
    ]
  }
}
2026-09-18 11:34:27.348 xcodebuild[652:4167] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme HeadlessTabView -destination platform=macOS,arch=arm64
Command line invocation:
    /Applications/Xcode-27.0.0-Release.Candidate.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 HeadlessTabView -destination platform=macOS,arch=arm64
Resolve Package Graph
Resolved source packages:
  HeadlessTabView: /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 'HeadlessTabView-product' in project 'HeadlessTabView'
        ➜ Explicit dependency on target 'HeadlessTabView' in project 'HeadlessTabView'
    Target 'HeadlessTabView' in project 'HeadlessTabView' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: 2090b967f6e7364f6d173106d23fcfbd
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/2090b967f6e7364f6d173106d23fcfbd.xcbuilddata
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/CompilationCache.noindex
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/CompilationCache.noindex
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-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx27.0-26A425-e829b21a6f8c9b70876ba0858053c0446a22442a12e9d48fe1a705f55a1adfc4.sdkstatcache
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx27.0-26A425-e829b21a6f8c9b70876ba0858053c0446a22442a12e9d48fe1a705f55a1adfc4.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/PrecompiledHeaders
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PrecompiledHeaders
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/EagerLinkingTBDs/Debug
    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
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug/PackageFrameworks
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug/PackageFrameworks
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeadlessTabView.build/Debug/HeadlessTabView-t.build/HeadlessTabView.modulemap (in target 'HeadlessTabView' from project 'HeadlessTabView')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeadlessTabView.build/Debug/HeadlessTabView-t.build/HeadlessTabView.modulemap
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeadlessTabView.build/Debug/HeadlessTabView-t.build/HeadlessTabView.DependencyMetadataFileList (in target 'HeadlessTabView' from project 'HeadlessTabView')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeadlessTabView.build/Debug/HeadlessTabView-t.build/HeadlessTabView.DependencyMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeadlessTabView.build/Debug/HeadlessTabView-t.build/HeadlessTabView.DependencyStaticMetadataFileList (in target 'HeadlessTabView' from project 'HeadlessTabView')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeadlessTabView.build/Debug/HeadlessTabView-t.build/HeadlessTabView.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeadlessTabView.build/Debug/HeadlessTabView-t.build/Objects-normal/arm64/HeadlessTabView.SwiftConstValuesFileList (in target 'HeadlessTabView' from project 'HeadlessTabView')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeadlessTabView.build/Debug/HeadlessTabView-t.build/Objects-normal/arm64/HeadlessTabView.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeadlessTabView.build/Debug/HeadlessTabView-t.build/Objects-normal/arm64/HeadlessTabView.LinkFileList (in target 'HeadlessTabView' from project 'HeadlessTabView')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeadlessTabView.build/Debug/HeadlessTabView-t.build/Objects-normal/arm64/HeadlessTabView.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeadlessTabView.build/Debug/HeadlessTabView-t.build/Objects-normal/arm64/HeadlessTabView.SwiftFileList (in target 'HeadlessTabView' from project 'HeadlessTabView')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeadlessTabView.build/Debug/HeadlessTabView-t.build/Objects-normal/arm64/HeadlessTabView.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeadlessTabView.build/Debug/HeadlessTabView-t.build/Objects-normal/arm64/HeadlessTabView-OutputFileMap.json (in target 'HeadlessTabView' from project 'HeadlessTabView')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeadlessTabView.build/Debug/HeadlessTabView-t.build/Objects-normal/arm64/HeadlessTabView-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeadlessTabView.build/Debug/HeadlessTabView-t.build/Objects-normal/arm64/HeadlessTabView_const_extract_protocols.json (in target 'HeadlessTabView' from project 'HeadlessTabView')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeadlessTabView.build/Debug/HeadlessTabView-t.build/Objects-normal/arm64/HeadlessTabView_const_extract_protocols.json
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps/HeadlessTabView.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeadlessTabView.build/Debug/HeadlessTabView-t.build/HeadlessTabView.modulemap (in target 'HeadlessTabView' from project 'HeadlessTabView')
    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/HeadlessTabView.build/Debug/HeadlessTabView-t.build/HeadlessTabView.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps
SwiftDriver HeadlessTabView normal arm64 com.apple.xcode.tools.swift.compiler (in target 'HeadlessTabView' from project 'HeadlessTabView')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftDriver -- /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -parse-as-library -module-name HeadlessTabView -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeadlessTabView.build/Debug/HeadlessTabView-t.build/Objects-normal/arm64/HeadlessTabView.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk -target arm64-apple-macos12.0 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -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 -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx27.0-26A425-e829b21a6f8c9b70876ba0858053c0446a22442a12e9d48fe1a705f55a1adfc4.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeadlessTabView.build/Debug/HeadlessTabView-t.build/Objects-normal/arm64/HeadlessTabView-OutputFileMap.json -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/SDKExplicitPrecompiledModules -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeadlessTabView.build/Debug/HeadlessTabView-t.build/Objects-normal/arm64/HeadlessTabView.swiftmodule -serialize-diagnostics -dependency-scan-serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeadlessTabView.build/Debug/HeadlessTabView-t.build/Objects-normal/arm64/HeadlessTabView-dependency-scan.dia -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -emit-const-values -const-gather-protocols-list /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeadlessTabView.build/Debug/HeadlessTabView-t.build/Objects-normal/arm64/HeadlessTabView_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeadlessTabView.build/Debug/HeadlessTabView-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeadlessTabView.build/Debug/HeadlessTabView-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeadlessTabView.build/Debug/HeadlessTabView-t.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/HeadlessTabView.build/Debug/HeadlessTabView-t.build/Objects-normal/arm64/HeadlessTabView-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
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SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/os_workgroup-10SJ5M8R2OB4BG1TPFL9SZMKV.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/Dispatch-NAMWF9KN29KC7Z5OS3TTTAE8.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/XPC-E1MSAZG4ZNL24S2WK6K6Y7GWW.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/CoreFoundation-4ZIITQ30SOGUQE8KJAB99ZV0Q.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/os-BYOEVK2GEMB4Q8WWHGZGREA00.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/IOKit-6H3X691EDBH124EYTC2PEOP5T.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/CoreAudioTypes-EEH2XZ47XX4YM3FOOISUYVRQE.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/Security-ESPJ7FP0YAY1EL3VXBGY9MCZ8.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/ColorSync-BBCIZDDQ6O3QECFAWJQ6RU4ZJ.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/CFNetwork-CVHS5CT20191MFYXQIEDWSRGJ.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/DiskArbitration-ZNZZU7T0SYELB0DAR56WQF0R.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/CoreGraphics-5TRMNDB7ZP6FFMRNSZCWEOZMD.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/CoreServices-CGCGY0FOMEQGSNMO3HQSC09XU.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/ImageIO-88YNP2EU498GB5YXIFJ9ANNYW.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/CoreText-C1WSF2HWGIKVJ2XHWBKXQBSEY.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/Foundation-44WR0NU86C67CV5BW8W1MGKNG.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/UniformTypeIdentifiers-5LG8RE3Q01MBLZVRR3FFHHL5H.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/OSLog-1GSRGGGEESVJH9OULZA91RAA3.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/CoreData-4EPJ39F9L3QQ9486B5AMG5G6J.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/CoreTransferable-2HJ1Z8HJBPECRD89AVJ0X7S63.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/Symbols-2NFSQR6R0R96WH1KKGBXW1J.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/CoreAudio-8XPVZMQXZVBU162UQPW77JTL1.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/ApplicationServices-ALXSS633FQY42UMJSLR6MNLSK.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/DataDetection-5GDUUWT6YIA10PE5D9A8SXWZ9.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/IOSurface-1TUG4NQVIPJF59WSUNATZ447F.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/Accessibility-6F38G4T85MOHD9AA2EH4U2PJS.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/Metal-KM8CI04R5X5OUWMGRMNZE4KP.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/OpenGL-FXV81CD8YS42YTVJKJH1VLGA.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/CoreVideo-11TKSDKW0L2K02H4B9ZHWLM3B.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/QuartzCore-AP21NXF3BYPWOG416U3DI6QME.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/CoreMedia-699WGYGEEF2LGFEEGSCM9Y1UF.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/CoreImage-AKYY8VSFWQ6KIIXG3EQJ7PW5T.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/SwiftUICore-ESLJM4CVIQEQNCRTK6KPAF1I7.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/AppKit-C2WRQ26QXORUMMNQB0M8H4QYD.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/SwiftUI-5IEOINZEJ69OCDVRMHPS5W4XI.pcm
SwiftEmitModule normal arm64 Emitting\ module\ for\ HeadlessTabView (in target 'HeadlessTabView' from project 'HeadlessTabView')
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:43:34: error: cannot find type 'UIViewControllerRepresentable' in scope
 41 | }
 42 |
 43 | extension HeadlessTabView.Inner: UIViewControllerRepresentable {
    |                                  `- error: cannot find type 'UIViewControllerRepresentable' in scope
 44 |
 45 |     func makeUIViewController(context: Context) -> HeadlessTabView.Controller {
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:45:40: error: cannot find type 'Context' in scope
 43 | extension HeadlessTabView.Inner: UIViewControllerRepresentable {
 44 |
 45 |     func makeUIViewController(context: Context) -> HeadlessTabView.Controller {
    |                                        `- error: cannot find type 'Context' in scope
 46 |         HeadlessTabView.Controller(nibName: nil, bundle: nil)
 47 |     }
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:49:90: error: cannot find type 'Context' in scope
 47 |     }
 48 |
 49 |     func updateUIViewController(_ uiViewController: HeadlessTabView.Controller, context: Context) {
    |                                                                                          `- error: cannot find type 'Context' in scope
 50 |
 51 |         guard context.coordinator.currentSelection != selection else {
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:87:41: error: cannot find type 'UIViewController' in scope
 85 |
 86 | extension HeadlessTabView {
 87 |     fileprivate final class Controller: UIViewController {
    |                                         `- error: cannot find type 'UIViewController' in scope
 88 |
 89 |         var passedEdgeInsets: UIEdgeInsets?
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:89:31: error: cannot find type 'UIEdgeInsets' in scope
 87 |     fileprivate final class Controller: UIViewController {
 88 |
 89 |         var passedEdgeInsets: UIEdgeInsets?
    |                               `- error: cannot find type 'UIEdgeInsets' in scope
 90 |
 91 |         override func loadView() {
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:91:23: error: method does not override any method from its superclass
 89 |         var passedEdgeInsets: UIEdgeInsets?
 90 |
 91 |         override func loadView() {
    |                       `- error: method does not override any method from its superclass
 92 |             view = UIView()
 93 |             view.backgroundColor = .clear
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:96:23: error: method does not override any method from its superclass
 94 |         }
 95 |
 96 |         override func viewWillLayoutSubviews() {
    |                       `- error: method does not override any method from its superclass
 97 |             super.viewWillLayoutSubviews()
 98 |
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:114:28: error: cannot find type 'UIViewController' in scope
112 |         }
113 |
114 |         var selectedChild: UIViewController? {
    |                            `- error: cannot find type 'UIViewController' in scope
115 |             willSet {
116 |
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:134:23: error: cannot find 'isViewLoaded' in scope
132 |             }
133 |             didSet {
134 |                 guard isViewLoaded && view.superview != nil else {
    |                       `- error: cannot find 'isViewLoaded' in scope
135 |                     return
136 |                 }
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:134:39: error: cannot find 'view' in scope
132 |             }
133 |             didSet {
134 |                 guard isViewLoaded && view.superview != nil else {
    |                                       `- error: cannot find 'view' in scope
135 |                     return
136 |                 }
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:139:31: error: cannot find 'children' in scope
137 |
138 |                 didRemove(
139 |                     children: children.filter({ child in
    |                               `- error: cannot find 'children' in scope
140 |                         child != selectedChild
141 |                     })
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:217:43: error: cannot find type 'UIViewController' in scope
215 |         }
216 |
217 |         private func didRemove(children: [UIViewController]) {
    |                                           `- error: cannot find type 'UIViewController' in scope
218 |             for child in children {
219 |                 child.view.removeFromSuperview()
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:207:36: error: cannot find type 'UIViewController' in scope
205 |         }
206 |
207 |         private func didAdd(child: UIViewController) {
    |                                    `- error: cannot find type 'UIViewController' in scope
208 |             child.didMove(toParent: self)
209 |         }
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:152:23: error: method does not override any method from its superclass
150 |         }
151 |
152 |         override func viewWillAppear(_ animated: Bool) {
    |                       `- error: method does not override any method from its superclass
153 |             super.viewWillAppear(animated)
154 |
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:162:23: error: method does not override any method from its superclass
160 |         }
161 |
162 |         override func viewDidAppear(_ animated: Bool) {
    |                       `- error: method does not override any method from its superclass
163 |             super.viewDidAppear(animated)
164 |
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:172:23: error: method does not override any method from its superclass
170 |         }
171 |
172 |         override func viewWillDisappear(_ animated: Bool) {
    |                       `- error: method does not override any method from its superclass
173 |             super.viewWillDisappear(animated)
174 |
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:178:23: error: method does not override any method from its superclass
176 |         }
177 |
178 |         override func viewDidDisappear(_ animated: Bool) {
    |                       `- error: method does not override any method from its superclass
179 |             super.viewDidDisappear(animated)
180 |
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:184:49: error: cannot find type 'UIViewController' in scope
182 |         }
183 |
184 |         override func willMove(toParent parent: UIViewController?) {
    |                                                 `- error: cannot find type 'UIViewController' in scope
185 |             super.willMove(toParent: parent)
186 |         }
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:190:37: error: cannot find type 'UIViewController' in scope
188 |         // MARK: - Convenience
189 |
190 |         private func willAdd(child: UIViewController) {
    |                                     `- error: cannot find type 'UIViewController' in scope
191 |
192 |             addChild(child)
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:211:44: error: cannot find type 'UIViewController' in scope
209 |         }
210 |
211 |         private func willRemove(children: [UIViewController]) {
    |                                            `- error: cannot find type 'UIViewController' in scope
212 |             for child in children {
213 |                 child.willMove(toParent: nil)
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:228:42: error: cannot find type 'UIViewController' in scope
226 | extension HeadlessTabView {
227 |     fileprivate class Coordinator {
228 |         var storedViewControllers: [Tab: UIViewController] = [:]
    |                                          `- error: cannot find type 'UIViewController' in scope
229 |         var currentSelection: Tab?
230 |     }
Failed frontend command:
SwiftCompile normal arm64 (in target 'HeadlessTabView' from project 'HeadlessTabView')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

/Applications/Xcode-27.0.0-Release.Candidate.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/HeadlessTabView/HeadlessTabView.swift -target arm64-apple-macos12.0 -disable-cross-import-overlay-search -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libFoundationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#FoundationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libObservationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#ObservationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libPreviewsMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#PreviewsMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libSwiftMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#SwiftMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libSwiftUIMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.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/HeadlessTabView.build/Debug/HeadlessTabView-t.build/Objects-normal/arm64/HeadlessTabView-dependencies-1.json -Xllvm -aarch64-use-tbi -enable-objc-interop -stack-check -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -no-color-diagnostics -Xcc -fno-color-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -swift-version 5 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D Xcode -serialize-debugging-options -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/macosx27.0-26A425-e829b21a6f8c9b70876ba0858053c0446a22442a12e9d48fe1a705f55a1adfc4.sdkstatcache -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeadlessTabView.build/Debug/HeadlessTabView-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeadlessTabView.build/Debug/HeadlessTabView-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeadlessTabView.build/Debug/HeadlessTabView-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name HeadlessTabView -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeadlessTabView.build/Debug/HeadlessTabView-t.build/Objects-normal/arm64/HeadlessTabView_const_extract_protocols.json -disable-clang-spi -clang-target arm64-apple-macos27.0 -target-sdk-version 27.0 -target-sdk-name macosx27.0 -in-process-plugin-server-path /Applications/Xcode-27.0.0-Release.Candidate.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/HeadlessTabView.build/Debug/HeadlessTabView-t.build/Objects-normal/arm64/HeadlessTabView.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeadlessTabView.build/Debug/HeadlessTabView-t.build/Objects-normal/arm64/HeadlessTabView.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeadlessTabView.build/Debug/HeadlessTabView-t.build/Objects-normal/arm64/HeadlessTabView-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeadlessTabView.build/Debug/HeadlessTabView-t.build/Objects-normal/arm64/HeadlessTabView-primary-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeadlessTabView.build/Debug/HeadlessTabView-t.build/Objects-normal/arm64/HeadlessTabView-primary-emit-module.d -parse-as-library -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeadlessTabView.build/Debug/HeadlessTabView-t.build/Objects-normal/arm64/HeadlessTabView.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeadlessTabView.build/Debug/HeadlessTabView-t.build/Objects-normal/arm64/HeadlessTabView.abi.json
SwiftCompile normal arm64 Compiling\ HeadlessTabView.swift /Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift (in target 'HeadlessTabView' from project 'HeadlessTabView')
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:43:34: error: cannot find type 'UIViewControllerRepresentable' in scope
 41 | }
 42 |
 43 | extension HeadlessTabView.Inner: UIViewControllerRepresentable {
    |                                  `- error: cannot find type 'UIViewControllerRepresentable' in scope
 44 |
 45 |     func makeUIViewController(context: Context) -> HeadlessTabView.Controller {
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:45:40: error: cannot find type 'Context' in scope
 43 | extension HeadlessTabView.Inner: UIViewControllerRepresentable {
 44 |
 45 |     func makeUIViewController(context: Context) -> HeadlessTabView.Controller {
    |                                        `- error: cannot find type 'Context' in scope
 46 |         HeadlessTabView.Controller(nibName: nil, bundle: nil)
 47 |     }
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:49:90: error: cannot find type 'Context' in scope
 47 |     }
 48 |
 49 |     func updateUIViewController(_ uiViewController: HeadlessTabView.Controller, context: Context) {
    |                                                                                          `- error: cannot find type 'Context' in scope
 50 |
 51 |         guard context.coordinator.currentSelection != selection else {
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:87:41: error: cannot find type 'UIViewController' in scope
 85 |
 86 | extension HeadlessTabView {
 87 |     fileprivate final class Controller: UIViewController {
    |                                         `- error: cannot find type 'UIViewController' in scope
 88 |
 89 |         var passedEdgeInsets: UIEdgeInsets?
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:89:31: error: cannot find type 'UIEdgeInsets' in scope
 87 |     fileprivate final class Controller: UIViewController {
 88 |
 89 |         var passedEdgeInsets: UIEdgeInsets?
    |                               `- error: cannot find type 'UIEdgeInsets' in scope
 90 |
 91 |         override func loadView() {
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:91:23: error: method does not override any method from its superclass
 89 |         var passedEdgeInsets: UIEdgeInsets?
 90 |
 91 |         override func loadView() {
    |                       `- error: method does not override any method from its superclass
 92 |             view = UIView()
 93 |             view.backgroundColor = .clear
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:96:23: error: method does not override any method from its superclass
 94 |         }
 95 |
 96 |         override func viewWillLayoutSubviews() {
    |                       `- error: method does not override any method from its superclass
 97 |             super.viewWillLayoutSubviews()
 98 |
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:114:28: error: cannot find type 'UIViewController' in scope
112 |         }
113 |
114 |         var selectedChild: UIViewController? {
    |                            `- error: cannot find type 'UIViewController' in scope
115 |             willSet {
116 |
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:134:23: error: cannot find 'isViewLoaded' in scope
132 |             }
133 |             didSet {
134 |                 guard isViewLoaded && view.superview != nil else {
    |                       `- error: cannot find 'isViewLoaded' in scope
135 |                     return
136 |                 }
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:134:39: error: cannot find 'view' in scope
132 |             }
133 |             didSet {
134 |                 guard isViewLoaded && view.superview != nil else {
    |                                       `- error: cannot find 'view' in scope
135 |                     return
136 |                 }
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:139:31: error: cannot find 'children' in scope
137 |
138 |                 didRemove(
139 |                     children: children.filter({ child in
    |                               `- error: cannot find 'children' in scope
140 |                         child != selectedChild
141 |                     })
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:217:43: error: cannot find type 'UIViewController' in scope
215 |         }
216 |
217 |         private func didRemove(children: [UIViewController]) {
    |                                           `- error: cannot find type 'UIViewController' in scope
218 |             for child in children {
219 |                 child.view.removeFromSuperview()
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:207:36: error: cannot find type 'UIViewController' in scope
205 |         }
206 |
207 |         private func didAdd(child: UIViewController) {
    |                                    `- error: cannot find type 'UIViewController' in scope
208 |             child.didMove(toParent: self)
209 |         }
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:152:23: error: method does not override any method from its superclass
150 |         }
151 |
152 |         override func viewWillAppear(_ animated: Bool) {
    |                       `- error: method does not override any method from its superclass
153 |             super.viewWillAppear(animated)
154 |
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:162:23: error: method does not override any method from its superclass
160 |         }
161 |
162 |         override func viewDidAppear(_ animated: Bool) {
    |                       `- error: method does not override any method from its superclass
163 |             super.viewDidAppear(animated)
164 |
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:172:23: error: method does not override any method from its superclass
170 |         }
171 |
172 |         override func viewWillDisappear(_ animated: Bool) {
    |                       `- error: method does not override any method from its superclass
173 |             super.viewWillDisappear(animated)
174 |
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:178:23: error: method does not override any method from its superclass
176 |         }
177 |
178 |         override func viewDidDisappear(_ animated: Bool) {
    |                       `- error: method does not override any method from its superclass
179 |             super.viewDidDisappear(animated)
180 |
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:184:49: error: cannot find type 'UIViewController' in scope
182 |         }
183 |
184 |         override func willMove(toParent parent: UIViewController?) {
    |                                                 `- error: cannot find type 'UIViewController' in scope
185 |             super.willMove(toParent: parent)
186 |         }
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:190:37: error: cannot find type 'UIViewController' in scope
188 |         // MARK: - Convenience
189 |
190 |         private func willAdd(child: UIViewController) {
    |                                     `- error: cannot find type 'UIViewController' in scope
191 |
192 |             addChild(child)
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:211:44: error: cannot find type 'UIViewController' in scope
209 |         }
210 |
211 |         private func willRemove(children: [UIViewController]) {
    |                                            `- error: cannot find type 'UIViewController' in scope
212 |             for child in children {
213 |                 child.willMove(toParent: nil)
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:228:42: error: cannot find type 'UIViewController' in scope
226 | extension HeadlessTabView {
227 |     fileprivate class Coordinator {
228 |         var storedViewControllers: [Tab: UIViewController] = [:]
    |                                          `- error: cannot find type 'UIViewController' in scope
229 |         var currentSelection: Tab?
230 |     }
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:18:63: error: value of type 'HeadlessTabView<Tab, Content>.Inner' has no member 'edgesIgnoringSafeArea'
 16 |     public var body: some View {
 17 |         GeometryReader { proxy in
 18 |             Inner($selection, proxy: proxy, content: content).edgesIgnoringSafeArea(.all)
    |                                                               `- error: value of type 'HeadlessTabView<Tab, Content>.Inner' has no member 'edgesIgnoringSafeArea'
 19 |         }
 20 |     }
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:46:35: error: argument passed to call that takes no arguments
 44 |
 45 |     func makeUIViewController(context: Context) -> HeadlessTabView.Controller {
 46 |         HeadlessTabView.Controller(nibName: nil, bundle: nil)
    |                                   `- error: argument passed to call that takes no arguments
 47 |     }
 48 |
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:46:45: error: 'nil' requires a contextual type
 44 |
 45 |     func makeUIViewController(context: Context) -> HeadlessTabView.Controller {
 46 |         HeadlessTabView.Controller(nibName: nil, bundle: nil)
    |                                             `- error: 'nil' requires a contextual type
 47 |     }
 48 |
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift (in target 'HeadlessTabView' from project 'HeadlessTabView')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile HeadlessTabView.swift
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:46:58: error: 'nil' requires a contextual type
 44 |
 45 |     func makeUIViewController(context: Context) -> HeadlessTabView.Controller {
 46 |         HeadlessTabView.Controller(nibName: nil, bundle: nil)
    |                                                          `- error: 'nil' requires a contextual type
 47 |     }
 48 |
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:59:29: error: cannot find type 'UIViewController' in scope
 57 |         }
 58 |
 59 |         let viewController: UIViewController
    |                             `- error: cannot find type 'UIViewController' in scope
 60 |
 61 |         if let existing = context.coordinator.storedViewControllers[selection] {
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:65:30: error: cannot find 'UIHostingController' in scope
 63 |         }
 64 |         else {
 65 |             viewController = UIHostingController(
    |                              `- error: cannot find 'UIHostingController' in scope
 66 |                 rootView: content(selection).id(selection)
 67 |             )
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:72:45: error: cannot find 'UIEdgeInsets' in scope
 70 |         }
 71 |
 72 |         uiViewController.passedEdgeInsets = UIEdgeInsets(
    |                                             `- error: cannot find 'UIEdgeInsets' in scope
 73 |             top: proxy.safeAreaInsets.top,
 74 |             left: proxy.safeAreaInsets.leading,
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:92:13: error: cannot find 'view' in scope
 90 |
 91 |         override func loadView() {
 92 |             view = UIView()
    |             `- error: cannot find 'view' in scope
 93 |             view.backgroundColor = .clear
 94 |         }
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:92:20: error: cannot find 'UIView' in scope
 90 |
 91 |         override func loadView() {
 92 |             view = UIView()
    |                    `- error: cannot find 'UIView' in scope
 93 |             view.backgroundColor = .clear
 94 |         }
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:93:13: error: cannot find 'view' in scope
 91 |         override func loadView() {
 92 |             view = UIView()
 93 |             view.backgroundColor = .clear
    |             `- error: cannot find 'view' in scope
 94 |         }
 95 |
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:97:13: error: 'super' cannot be used in class 'Controller' because it has no superclass
 95 |
 96 |         override func viewWillLayoutSubviews() {
 97 |             super.viewWillLayoutSubviews()
    |             `- error: 'super' cannot be used in class 'Controller' because it has no superclass
 98 |
 99 |             guard let parentSafeAreaInsets = parent?.view.safeAreaInsets,
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ExplicitPrecompiledModules
2026-09-18 11:34:28.934 xcodebuild[653:4211] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
--- xcodebuild: WARNING: Using the first of multiple matching destinations:
{ platform:macOS, arch:arm64, id:35dd99f1412d1edcd640e1b8440c64b27debaae0, name:My Mac }
{ platform:macOS, arch:arm64, variant:Mac Catalyst, id:35dd99f1412d1edcd640e1b8440c64b27debaae0, name:My Mac }
{ platform:macOS, arch:arm64, variant:DriverKit, id:35dd99f1412d1edcd640e1b8440c64b27debaae0, name:My Mac }
{ platform:macOS, arch:arm64, variant:Designed for [iPad,iPhone], id:35dd99f1412d1edcd640e1b8440c64b27debaae0, name:My Mac }
** BUILD FAILED **
The following build commands failed:
	SwiftCompile normal arm64 (in target 'HeadlessTabView' from project 'HeadlessTabView')
	SwiftEmitModule normal arm64 Emitting\ module\ for\ HeadlessTabView (in target 'HeadlessTabView' from project 'HeadlessTabView')
	Building workspace HeadlessTabView with scheme HeadlessTabView
(3 failures)
Command line invocation:
    /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolved source packages:
  HeadlessTabView: /Users/admin/builder/spi-builder-workspace
resolved source packages: HeadlessTabView
2026-09-18 11:34:37.345 xcodebuild[736:4573] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "HeadlessTabView",
  "name" : "HeadlessTabView",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "tvos",
      "version" : "13.0"
    }
  ],
  "products" : [
    {
      "name" : "HeadlessTabView",
      "targets" : [
        "HeadlessTabView"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "HeadlessTabView",
      "module_type" : "SwiftTarget",
      "name" : "HeadlessTabView",
      "path" : "Sources/HeadlessTabView",
      "product_memberships" : [
        "HeadlessTabView"
      ],
      "sources" : [
        "HeadlessTabView.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.6"
}
{
  "workspace" : {
    "name" : "HeadlessTabView",
    "schemes" : [
      "HeadlessTabView"
    ]
  }
}
2026-09-18 11:34:38.541 xcodebuild[744:4641] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme HeadlessTabView -destination platform=macOS,arch=arm64
Command line invocation:
    /Applications/Xcode-27.0.0-Release.Candidate.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 HeadlessTabView -destination platform=macOS,arch=arm64
Resolve Package Graph
Resolved source packages:
  HeadlessTabView: /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 'HeadlessTabView-product' in project 'HeadlessTabView'
        ➜ Explicit dependency on target 'HeadlessTabView' in project 'HeadlessTabView'
    Target 'HeadlessTabView' in project 'HeadlessTabView' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ClangStatCache /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx27.0-26A425-e829b21a6f8c9b70876ba0858053c0446a22442a12e9d48fe1a705f55a1adfc4.sdkstatcache
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx27.0-26A425-e829b21a6f8c9b70876ba0858053c0446a22442a12e9d48fe1a705f55a1adfc4.sdkstatcache
SwiftDriver HeadlessTabView normal arm64 com.apple.xcode.tools.swift.compiler (in target 'HeadlessTabView' from project 'HeadlessTabView')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftDriver -- /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -parse-as-library -module-name HeadlessTabView -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeadlessTabView.build/Debug/HeadlessTabView-t.build/Objects-normal/arm64/HeadlessTabView.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk -target arm64-apple-macos12.0 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -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 -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx27.0-26A425-e829b21a6f8c9b70876ba0858053c0446a22442a12e9d48fe1a705f55a1adfc4.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeadlessTabView.build/Debug/HeadlessTabView-t.build/Objects-normal/arm64/HeadlessTabView-OutputFileMap.json -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/SDKExplicitPrecompiledModules -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeadlessTabView.build/Debug/HeadlessTabView-t.build/Objects-normal/arm64/HeadlessTabView.swiftmodule -serialize-diagnostics -dependency-scan-serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeadlessTabView.build/Debug/HeadlessTabView-t.build/Objects-normal/arm64/HeadlessTabView-dependency-scan.dia -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -emit-const-values -const-gather-protocols-list /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeadlessTabView.build/Debug/HeadlessTabView-t.build/Objects-normal/arm64/HeadlessTabView_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeadlessTabView.build/Debug/HeadlessTabView-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeadlessTabView.build/Debug/HeadlessTabView-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeadlessTabView.build/Debug/HeadlessTabView-t.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/HeadlessTabView.build/Debug/HeadlessTabView-t.build/Objects-normal/arm64/HeadlessTabView-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftEmitModule normal arm64 Emitting\ module\ for\ HeadlessTabView (in target 'HeadlessTabView' from project 'HeadlessTabView')
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:43:34: error: cannot find type 'UIViewControllerRepresentable' in scope
 41 | }
 42 |
 43 | extension HeadlessTabView.Inner: UIViewControllerRepresentable {
    |                                  `- error: cannot find type 'UIViewControllerRepresentable' in scope
 44 |
 45 |     func makeUIViewController(context: Context) -> HeadlessTabView.Controller {
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:45:40: error: cannot find type 'Context' in scope
 43 | extension HeadlessTabView.Inner: UIViewControllerRepresentable {
 44 |
 45 |     func makeUIViewController(context: Context) -> HeadlessTabView.Controller {
    |                                        `- error: cannot find type 'Context' in scope
 46 |         HeadlessTabView.Controller(nibName: nil, bundle: nil)
 47 |     }
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:49:90: error: cannot find type 'Context' in scope
 47 |     }
 48 |
 49 |     func updateUIViewController(_ uiViewController: HeadlessTabView.Controller, context: Context) {
    |                                                                                          `- error: cannot find type 'Context' in scope
 50 |
 51 |         guard context.coordinator.currentSelection != selection else {
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:87:41: error: cannot find type 'UIViewController' in scope
 85 |
 86 | extension HeadlessTabView {
 87 |     fileprivate final class Controller: UIViewController {
    |                                         `- error: cannot find type 'UIViewController' in scope
 88 |
 89 |         var passedEdgeInsets: UIEdgeInsets?
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:89:31: error: cannot find type 'UIEdgeInsets' in scope
 87 |     fileprivate final class Controller: UIViewController {
 88 |
 89 |         var passedEdgeInsets: UIEdgeInsets?
    |                               `- error: cannot find type 'UIEdgeInsets' in scope
 90 |
 91 |         override func loadView() {
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:91:23: error: method does not override any method from its superclass
 89 |         var passedEdgeInsets: UIEdgeInsets?
 90 |
 91 |         override func loadView() {
    |                       `- error: method does not override any method from its superclass
 92 |             view = UIView()
 93 |             view.backgroundColor = .clear
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:96:23: error: method does not override any method from its superclass
 94 |         }
 95 |
 96 |         override func viewWillLayoutSubviews() {
    |                       `- error: method does not override any method from its superclass
 97 |             super.viewWillLayoutSubviews()
 98 |
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:114:28: error: cannot find type 'UIViewController' in scope
112 |         }
113 |
114 |         var selectedChild: UIViewController? {
    |                            `- error: cannot find type 'UIViewController' in scope
115 |             willSet {
116 |
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:134:23: error: cannot find 'isViewLoaded' in scope
132 |             }
133 |             didSet {
134 |                 guard isViewLoaded && view.superview != nil else {
    |                       `- error: cannot find 'isViewLoaded' in scope
135 |                     return
136 |                 }
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:134:39: error: cannot find 'view' in scope
132 |             }
133 |             didSet {
134 |                 guard isViewLoaded && view.superview != nil else {
    |                                       `- error: cannot find 'view' in scope
135 |                     return
136 |                 }
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:139:31: error: cannot find 'children' in scope
137 |
138 |                 didRemove(
139 |                     children: children.filter({ child in
    |                               `- error: cannot find 'children' in scope
140 |                         child != selectedChild
141 |                     })
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:217:43: error: cannot find type 'UIViewController' in scope
215 |         }
216 |
217 |         private func didRemove(children: [UIViewController]) {
    |                                           `- error: cannot find type 'UIViewController' in scope
218 |             for child in children {
219 |                 child.view.removeFromSuperview()
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:207:36: error: cannot find type 'UIViewController' in scope
205 |         }
206 |
207 |         private func didAdd(child: UIViewController) {
    |                                    `- error: cannot find type 'UIViewController' in scope
208 |             child.didMove(toParent: self)
209 |         }
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:152:23: error: method does not override any method from its superclass
150 |         }
151 |
152 |         override func viewWillAppear(_ animated: Bool) {
    |                       `- error: method does not override any method from its superclass
153 |             super.viewWillAppear(animated)
154 |
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:162:23: error: method does not override any method from its superclass
160 |         }
161 |
162 |         override func viewDidAppear(_ animated: Bool) {
    |                       `- error: method does not override any method from its superclass
163 |             super.viewDidAppear(animated)
164 |
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:172:23: error: method does not override any method from its superclass
170 |         }
171 |
172 |         override func viewWillDisappear(_ animated: Bool) {
    |                       `- error: method does not override any method from its superclass
173 |             super.viewWillDisappear(animated)
174 |
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:178:23: error: method does not override any method from its superclass
176 |         }
177 |
178 |         override func viewDidDisappear(_ animated: Bool) {
    |                       `- error: method does not override any method from its superclass
179 |             super.viewDidDisappear(animated)
180 |
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:184:49: error: cannot find type 'UIViewController' in scope
182 |         }
183 |
184 |         override func willMove(toParent parent: UIViewController?) {
    |                                                 `- error: cannot find type 'UIViewController' in scope
185 |             super.willMove(toParent: parent)
186 |         }
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:190:37: error: cannot find type 'UIViewController' in scope
188 |         // MARK: - Convenience
189 |
190 |         private func willAdd(child: UIViewController) {
    |                                     `- error: cannot find type 'UIViewController' in scope
191 |
192 |             addChild(child)
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:211:44: error: cannot find type 'UIViewController' in scope
209 |         }
210 |
211 |         private func willRemove(children: [UIViewController]) {
    |                                            `- error: cannot find type 'UIViewController' in scope
212 |             for child in children {
213 |                 child.willMove(toParent: nil)
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:228:42: error: cannot find type 'UIViewController' in scope
226 | extension HeadlessTabView {
227 |     fileprivate class Coordinator {
228 |         var storedViewControllers: [Tab: UIViewController] = [:]
    |                                          `- error: cannot find type 'UIViewController' in scope
229 |         var currentSelection: Tab?
230 |     }
Failed frontend command:
SwiftCompile normal arm64 (in target 'HeadlessTabView' from project 'HeadlessTabView')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

/Applications/Xcode-27.0.0-Release.Candidate.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/HeadlessTabView/HeadlessTabView.swift -target arm64-apple-macos12.0 -disable-cross-import-overlay-search -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libFoundationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#FoundationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libObservationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#ObservationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libPreviewsMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#PreviewsMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libSwiftMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#SwiftMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libSwiftUIMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.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/HeadlessTabView.build/Debug/HeadlessTabView-t.build/Objects-normal/arm64/HeadlessTabView-dependencies-1.json -Xllvm -aarch64-use-tbi -enable-objc-interop -stack-check -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -no-color-diagnostics -Xcc -fno-color-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -swift-version 5 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D Xcode -serialize-debugging-options -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/macosx27.0-26A425-e829b21a6f8c9b70876ba0858053c0446a22442a12e9d48fe1a705f55a1adfc4.sdkstatcache -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeadlessTabView.build/Debug/HeadlessTabView-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeadlessTabView.build/Debug/HeadlessTabView-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeadlessTabView.build/Debug/HeadlessTabView-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name HeadlessTabView -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeadlessTabView.build/Debug/HeadlessTabView-t.build/Objects-normal/arm64/HeadlessTabView_const_extract_protocols.json -disable-clang-spi -clang-target arm64-apple-macos27.0 -target-sdk-version 27.0 -target-sdk-name macosx27.0 -in-process-plugin-server-path /Applications/Xcode-27.0.0-Release.Candidate.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/HeadlessTabView.build/Debug/HeadlessTabView-t.build/Objects-normal/arm64/HeadlessTabView.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeadlessTabView.build/Debug/HeadlessTabView-t.build/Objects-normal/arm64/HeadlessTabView.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeadlessTabView.build/Debug/HeadlessTabView-t.build/Objects-normal/arm64/HeadlessTabView-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeadlessTabView.build/Debug/HeadlessTabView-t.build/Objects-normal/arm64/HeadlessTabView-primary-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeadlessTabView.build/Debug/HeadlessTabView-t.build/Objects-normal/arm64/HeadlessTabView-primary-emit-module.d -parse-as-library -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeadlessTabView.build/Debug/HeadlessTabView-t.build/Objects-normal/arm64/HeadlessTabView.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeadlessTabView.build/Debug/HeadlessTabView-t.build/Objects-normal/arm64/HeadlessTabView.abi.json
SwiftCompile normal arm64 Compiling\ HeadlessTabView.swift /Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift (in target 'HeadlessTabView' from project 'HeadlessTabView')
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:43:34: error: cannot find type 'UIViewControllerRepresentable' in scope
 41 | }
 42 |
 43 | extension HeadlessTabView.Inner: UIViewControllerRepresentable {
    |                                  `- error: cannot find type 'UIViewControllerRepresentable' in scope
 44 |
 45 |     func makeUIViewController(context: Context) -> HeadlessTabView.Controller {
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:45:40: error: cannot find type 'Context' in scope
 43 | extension HeadlessTabView.Inner: UIViewControllerRepresentable {
 44 |
 45 |     func makeUIViewController(context: Context) -> HeadlessTabView.Controller {
    |                                        `- error: cannot find type 'Context' in scope
 46 |         HeadlessTabView.Controller(nibName: nil, bundle: nil)
 47 |     }
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:49:90: error: cannot find type 'Context' in scope
 47 |     }
 48 |
 49 |     func updateUIViewController(_ uiViewController: HeadlessTabView.Controller, context: Context) {
    |                                                                                          `- error: cannot find type 'Context' in scope
 50 |
 51 |         guard context.coordinator.currentSelection != selection else {
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:87:41: error: cannot find type 'UIViewController' in scope
 85 |
 86 | extension HeadlessTabView {
 87 |     fileprivate final class Controller: UIViewController {
    |                                         `- error: cannot find type 'UIViewController' in scope
 88 |
 89 |         var passedEdgeInsets: UIEdgeInsets?
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:89:31: error: cannot find type 'UIEdgeInsets' in scope
 87 |     fileprivate final class Controller: UIViewController {
 88 |
 89 |         var passedEdgeInsets: UIEdgeInsets?
    |                               `- error: cannot find type 'UIEdgeInsets' in scope
 90 |
 91 |         override func loadView() {
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:91:23: error: method does not override any method from its superclass
 89 |         var passedEdgeInsets: UIEdgeInsets?
 90 |
 91 |         override func loadView() {
    |                       `- error: method does not override any method from its superclass
 92 |             view = UIView()
 93 |             view.backgroundColor = .clear
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:96:23: error: method does not override any method from its superclass
 94 |         }
 95 |
 96 |         override func viewWillLayoutSubviews() {
    |                       `- error: method does not override any method from its superclass
 97 |             super.viewWillLayoutSubviews()
 98 |
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:114:28: error: cannot find type 'UIViewController' in scope
112 |         }
113 |
114 |         var selectedChild: UIViewController? {
    |                            `- error: cannot find type 'UIViewController' in scope
115 |             willSet {
116 |
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:134:23: error: cannot find 'isViewLoaded' in scope
132 |             }
133 |             didSet {
134 |                 guard isViewLoaded && view.superview != nil else {
    |                       `- error: cannot find 'isViewLoaded' in scope
135 |                     return
136 |                 }
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:134:39: error: cannot find 'view' in scope
132 |             }
133 |             didSet {
134 |                 guard isViewLoaded && view.superview != nil else {
    |                                       `- error: cannot find 'view' in scope
135 |                     return
136 |                 }
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:139:31: error: cannot find 'children' in scope
137 |
138 |                 didRemove(
139 |                     children: children.filter({ child in
    |                               `- error: cannot find 'children' in scope
140 |                         child != selectedChild
141 |                     })
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:217:43: error: cannot find type 'UIViewController' in scope
215 |         }
216 |
217 |         private func didRemove(children: [UIViewController]) {
    |                                           `- error: cannot find type 'UIViewController' in scope
218 |             for child in children {
219 |                 child.view.removeFromSuperview()
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:207:36: error: cannot find type 'UIViewController' in scope
205 |         }
206 |
207 |         private func didAdd(child: UIViewController) {
    |                                    `- error: cannot find type 'UIViewController' in scope
208 |             child.didMove(toParent: self)
209 |         }
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:152:23: error: method does not override any method from its superclass
150 |         }
151 |
152 |         override func viewWillAppear(_ animated: Bool) {
    |                       `- error: method does not override any method from its superclass
153 |             super.viewWillAppear(animated)
154 |
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:162:23: error: method does not override any method from its superclass
160 |         }
161 |
162 |         override func viewDidAppear(_ animated: Bool) {
    |                       `- error: method does not override any method from its superclass
163 |             super.viewDidAppear(animated)
164 |
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:172:23: error: method does not override any method from its superclass
170 |         }
171 |
172 |         override func viewWillDisappear(_ animated: Bool) {
    |                       `- error: method does not override any method from its superclass
173 |             super.viewWillDisappear(animated)
174 |
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:178:23: error: method does not override any method from its superclass
176 |         }
177 |
178 |         override func viewDidDisappear(_ animated: Bool) {
    |                       `- error: method does not override any method from its superclass
179 |             super.viewDidDisappear(animated)
180 |
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:184:49: error: cannot find type 'UIViewController' in scope
182 |         }
183 |
184 |         override func willMove(toParent parent: UIViewController?) {
    |                                                 `- error: cannot find type 'UIViewController' in scope
185 |             super.willMove(toParent: parent)
186 |         }
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:190:37: error: cannot find type 'UIViewController' in scope
188 |         // MARK: - Convenience
189 |
190 |         private func willAdd(child: UIViewController) {
    |                                     `- error: cannot find type 'UIViewController' in scope
191 |
192 |             addChild(child)
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:211:44: error: cannot find type 'UIViewController' in scope
209 |         }
210 |
211 |         private func willRemove(children: [UIViewController]) {
    |                                            `- error: cannot find type 'UIViewController' in scope
212 |             for child in children {
213 |                 child.willMove(toParent: nil)
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:228:42: error: cannot find type 'UIViewController' in scope
226 | extension HeadlessTabView {
227 |     fileprivate class Coordinator {
228 |         var storedViewControllers: [Tab: UIViewController] = [:]
    |                                          `- error: cannot find type 'UIViewController' in scope
229 |         var currentSelection: Tab?
230 |     }
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:18:63: error: value of type 'HeadlessTabView<Tab, Content>.Inner' has no member 'edgesIgnoringSafeArea'
 16 |     public var body: some View {
 17 |         GeometryReader { proxy in
 18 |             Inner($selection, proxy: proxy, content: content).edgesIgnoringSafeArea(.all)
    |                                                               `- error: value of type 'HeadlessTabView<Tab, Content>.Inner' has no member 'edgesIgnoringSafeArea'
 19 |         }
 20 |     }
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:46:35: error: argument passed to call that takes no arguments
 44 |
 45 |     func makeUIViewController(context: Context) -> HeadlessTabView.Controller {
 46 |         HeadlessTabView.Controller(nibName: nil, bundle: nil)
    |                                   `- error: argument passed to call that takes no arguments
 47 |     }
 48 |
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:46:45: error: 'nil' requires a contextual type
 44 |
 45 |     func makeUIViewController(context: Context) -> HeadlessTabView.Controller {
 46 |         HeadlessTabView.Controller(nibName: nil, bundle: nil)
    |                                             `- error: 'nil' requires a contextual type
 47 |     }
 48 |
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift (in target 'HeadlessTabView' from project 'HeadlessTabView')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile HeadlessTabView.swift
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:46:58: error: 'nil' requires a contextual type
 44 |
 45 |     func makeUIViewController(context: Context) -> HeadlessTabView.Controller {
 46 |         HeadlessTabView.Controller(nibName: nil, bundle: nil)
    |                                                          `- error: 'nil' requires a contextual type
 47 |     }
 48 |
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:59:29: error: cannot find type 'UIViewController' in scope
 57 |         }
 58 |
 59 |         let viewController: UIViewController
    |                             `- error: cannot find type 'UIViewController' in scope
 60 |
 61 |         if let existing = context.coordinator.storedViewControllers[selection] {
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:65:30: error: cannot find 'UIHostingController' in scope
 63 |         }
 64 |         else {
 65 |             viewController = UIHostingController(
    |                              `- error: cannot find 'UIHostingController' in scope
 66 |                 rootView: content(selection).id(selection)
 67 |             )
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:72:45: error: cannot find 'UIEdgeInsets' in scope
 70 |         }
 71 |
 72 |         uiViewController.passedEdgeInsets = UIEdgeInsets(
    |                                             `- error: cannot find 'UIEdgeInsets' in scope
 73 |             top: proxy.safeAreaInsets.top,
 74 |             left: proxy.safeAreaInsets.leading,
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:92:13: error: cannot find 'view' in scope
 90 |
 91 |         override func loadView() {
 92 |             view = UIView()
    |             `- error: cannot find 'view' in scope
 93 |             view.backgroundColor = .clear
 94 |         }
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:92:20: error: cannot find 'UIView' in scope
 90 |
 91 |         override func loadView() {
 92 |             view = UIView()
    |                    `- error: cannot find 'UIView' in scope
 93 |             view.backgroundColor = .clear
 94 |         }
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:93:13: error: cannot find 'view' in scope
 91 |         override func loadView() {
 92 |             view = UIView()
 93 |             view.backgroundColor = .clear
    |             `- error: cannot find 'view' in scope
 94 |         }
 95 |
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:97:13: error: 'super' cannot be used in class 'Controller' because it has no superclass
 95 |
 96 |         override func viewWillLayoutSubviews() {
 97 |             super.viewWillLayoutSubviews()
    |             `- error: 'super' cannot be used in class 'Controller' because it has no superclass
 98 |
 99 |             guard let parentSafeAreaInsets = parent?.view.safeAreaInsets,
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:99:46: error: cannot find 'parent' in scope
 97 |             super.viewWillLayoutSubviews()
 98 |
 99 |             guard let parentSafeAreaInsets = parent?.view.safeAreaInsets,
    |                                              `- error: cannot find 'parent' in scope
100 |                 let passedEdgeInsets = passedEdgeInsets
101 |             else {
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:102:17: error: cannot find 'additionalSafeAreaInsets' in scope
100 |                 let passedEdgeInsets = passedEdgeInsets
101 |             else {
102 |                 additionalSafeAreaInsets = .zero
    |                 `- error: cannot find 'additionalSafeAreaInsets' in scope
103 |                 return
104 |             }
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:102:45: error: cannot infer contextual base in reference to member 'zero'
100 |                 let passedEdgeInsets = passedEdgeInsets
101 |             else {
102 |                 additionalSafeAreaInsets = .zero
    |                                             `- error: cannot infer contextual base in reference to member 'zero'
103 |                 return
104 |             }
/Users/admin/builder/spi-builder-workspace/Sources/HeadlessTabView/HeadlessTabView.swift:106:13: error: cannot find 'additionalSafeAreaInsets' in scope
104 |             }
105 |
106 |             additionalSafeAreaInsets = UIEdgeInsets(
    |             `- error: cannot find 'additionalSafeAreaInsets' in scope
107 |                 top: passedEdgeInsets.top - parentSafeAreaInsets.top,
108 |                 left: passedEdgeInsets.left - parentSafeAreaInsets.left,
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ExplicitPrecompiledModules
2026-09-18 11:34:39.479 xcodebuild[745:4670] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
--- xcodebuild: WARNING: Using the first of multiple matching destinations:
{ platform:macOS, arch:arm64, id:35dd99f1412d1edcd640e1b8440c64b27debaae0, name:My Mac }
{ platform:macOS, arch:arm64, variant:Mac Catalyst, id:35dd99f1412d1edcd640e1b8440c64b27debaae0, name:My Mac }
{ platform:macOS, arch:arm64, variant:DriverKit, id:35dd99f1412d1edcd640e1b8440c64b27debaae0, name:My Mac }
{ platform:macOS, arch:arm64, variant:Designed for [iPad,iPhone], id:35dd99f1412d1edcd640e1b8440c64b27debaae0, name:My Mac }
** BUILD FAILED **
The following build commands failed:
	SwiftCompile normal arm64 (in target 'HeadlessTabView' from project 'HeadlessTabView')
	SwiftEmitModule normal arm64 Emitting\ module\ for\ HeadlessTabView (in target 'HeadlessTabView' from project 'HeadlessTabView')
	Building workspace HeadlessTabView with scheme HeadlessTabView
(3 failures)
BUILD FAILURE 6.4 macosXcodebuild