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Build Information

Failed to build swiftui-window-reference, reference main (181422), with Swift 6.3 for iOS using Xcode 26.4 on 14 Apr 2026 19:23:46 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme swiftui-window-reference-Package -destination generic/platform=iOS

Build Log

========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/astzweig/swiftui-window-reference.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/astzweig/swiftui-window-reference
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 1814226 Unify TestApp name accross projects
Cloned https://github.com/astzweig/swiftui-window-reference.git
Revision (git rev-parse @):
1814226af8d3cd215310d845be6abab925dd1b76
SUCCESS checkout https://github.com/astzweig/swiftui-window-reference.git at main
========================================
Build
========================================
Selected platform:         iOS
Swift version:             6.3
Building package at path:  $PWD
https://github.com/astzweig/swiftui-window-reference.git
Command line invocation:
    /Applications/Xcode-26.4.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolve Package Graph
Resolved source packages:
  swiftui-window-reference: /Users/admin/builder/spi-builder-workspace
resolved source packages: swiftui-window-reference
2026-04-14 15:23:26.249 xcodebuild[529:3059] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "swiftui-window-reference",
  "name" : "swiftui-window-reference",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "13.0"
    }
  ],
  "products" : [
    {
      "name" : "WindowReference",
      "targets" : [
        "WindowReference"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "TestApp",
      "targets" : [
        "TestApp"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "WindowReference",
      "module_type" : "SwiftTarget",
      "name" : "WindowReference",
      "path" : "Sources/WindowReference",
      "product_memberships" : [
        "WindowReference",
        "TestApp"
      ],
      "sources" : [
        "Environment.swift",
        "WindowReference.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "TestApp",
      "module_type" : "SwiftTarget",
      "name" : "TestApp",
      "path" : "Sources/TestApp",
      "product_memberships" : [
        "TestApp"
      ],
      "sources" : [
        "main.swift"
      ],
      "target_dependencies" : [
        "WindowReference"
      ],
      "type" : "executable"
    }
  ],
  "tools_version" : "5.10"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "swiftui-window-reference-Package",
      "TestApp",
      "WindowReference"
    ]
  }
}
2026-04-14 15:23:34.333 xcodebuild[631:3809] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme swiftui-window-reference-Package -destination generic/platform=iOS
Command line invocation:
    /Applications/Xcode-26.4.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath /Users/admin/builder/spi-builder-workspace/.derivedData build -scheme swiftui-window-reference-Package -destination generic/platform=iOS
Resolve Package Graph
Resolved source packages:
  swiftui-window-reference: /Users/admin/builder/spi-builder-workspace
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (3 targets)
    Target 'TestApp' in project 'swiftui-window-reference'
        ➜ Explicit dependency on target 'WindowReference' in project 'swiftui-window-reference'
    Target 'WindowReference' in project 'swiftui-window-reference'
        ➜ Explicit dependency on target 'WindowReference' in project 'swiftui-window-reference'
    Target 'WindowReference' in project 'swiftui-window-reference' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: b41f347403476b08a1dc4da1d7918147
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/b41f347403476b08a1dc4da1d7918147.xcbuilddata
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products
ClangStatCache /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos26.4-23E237-688ef53f1462e2c8f657fdc38a81448fc1e9a37d8fcda5dee89abd67dc927a23.sdkstatcache
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos26.4-23E237-688ef53f1462e2c8f657fdc38a81448fc1e9a37d8fcda5dee89abd67dc927a23.sdkstatcache
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
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/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/EagerLinkingTBDs/Debug-iphoneos
    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-iphoneos
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/PackageFrameworks
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/PackageFrameworks
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/WindowReference.build/WindowReference.modulemap (in target 'WindowReference' from project 'swiftui-window-reference')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/WindowReference.build/WindowReference.modulemap
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/WindowReference.build/WindowReference.DependencyMetadataFileList (in target 'WindowReference' from project 'swiftui-window-reference')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/WindowReference.build/WindowReference.DependencyMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/WindowReference.build/WindowReference.DependencyStaticMetadataFileList (in target 'WindowReference' from project 'swiftui-window-reference')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/WindowReference.build/WindowReference.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/TestApp.build/TestApp.DependencyStaticMetadataFileList (in target 'TestApp' from project 'swiftui-window-reference')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/TestApp.build/TestApp.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/WindowReference.build/Objects-normal/arm64/WindowReference.SwiftConstValuesFileList (in target 'WindowReference' from project 'swiftui-window-reference')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/WindowReference.build/Objects-normal/arm64/WindowReference.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/WindowReference.build/Objects-normal/arm64/WindowReference.LinkFileList (in target 'WindowReference' from project 'swiftui-window-reference')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/WindowReference.build/Objects-normal/arm64/WindowReference.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/WindowReference.build/Objects-normal/arm64/WindowReference-OutputFileMap.json (in target 'WindowReference' from project 'swiftui-window-reference')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/WindowReference.build/Objects-normal/arm64/WindowReference-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/WindowReference.build/Objects-normal/arm64/WindowReference_const_extract_protocols.json (in target 'WindowReference' from project 'swiftui-window-reference')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/WindowReference.build/Objects-normal/arm64/WindowReference_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/WindowReference.build/Objects-normal/arm64/WindowReference.SwiftFileList (in target 'WindowReference' from project 'swiftui-window-reference')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/WindowReference.build/Objects-normal/arm64/WindowReference.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/TestApp.build/TestApp.DependencyMetadataFileList (in target 'TestApp' from project 'swiftui-window-reference')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/TestApp.build/TestApp.DependencyMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/TestApp.build/Objects-normal/arm64/TestApp_const_extract_protocols.json (in target 'TestApp' from project 'swiftui-window-reference')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/TestApp.build/Objects-normal/arm64/TestApp_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/TestApp.build/Objects-normal/arm64/TestApp.LinkFileList (in target 'TestApp' from project 'swiftui-window-reference')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/TestApp.build/Objects-normal/arm64/TestApp.LinkFileList
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-iphoneos/WindowReference.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/WindowReference.build/WindowReference.modulemap (in target 'WindowReference' from project 'swiftui-window-reference')
    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/swiftui-window-reference.build/Debug-iphoneos/WindowReference.build/WindowReference.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-iphoneos
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/TestApp.build/Objects-normal/arm64/TestApp.SwiftFileList (in target 'TestApp' from project 'swiftui-window-reference')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/TestApp.build/Objects-normal/arm64/TestApp.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/TestApp.build/Objects-normal/arm64/TestApp-OutputFileMap.json (in target 'TestApp' from project 'swiftui-window-reference')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/TestApp.build/Objects-normal/arm64/TestApp-OutputFileMap.json
SwiftDriver WindowReference normal arm64 com.apple.xcode.tools.swift.compiler (in target 'WindowReference' from project 'swiftui-window-reference')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftDriver -- /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name WindowReference -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/WindowReference.build/Objects-normal/arm64/WindowReference.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.sdk -target arm64-apple-ios12.0 -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-iphoneos -Isystem /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos26.4-23E237-688ef53f1462e2c8f657fdc38a81448fc1e9a37d8fcda5dee89abd67dc927a23.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/WindowReference.build/Objects-normal/arm64/WindowReference-OutputFileMap.json -use-frontend-parseable-output -save-temps -no-color-diagnostics -explicit-module-build -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -clang-scanner-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -sdk-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -serialize-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/WindowReference.build/Objects-normal/arm64/WindowReference.swiftmodule -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -package-name spi_builder_workspace -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/WindowReference.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/WindowReference.build/Objects-normal/arm64/WindowReference_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/WindowReference.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/WindowReference.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/WindowReference.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/swiftui-window-reference.build/Debug-iphoneos/WindowReference.build/Objects-normal/arm64/WindowReference-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/ptrcheck-6TPSIDWYXNBLA4R5K8WO4R1U6.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/ptrauth-565O5PP7IF1NUBR8VGC9KQ0XG.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_stdbool-2F1TLFMIYG87O875XOW4JCA6I.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_float-87Z1ZXO1ICF314KKACY4HUBK8.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/DeveloperToolsSupport-DS24CBWPGCFOVVACIMJMR6WFK.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_AvailabilityInternal-1UZ3PIGWNYDWKO4RKG8JKGDXH.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/SwiftShims-C0JBBBFU09IEE46E6SRV4Q1QE.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_stdarg-CZOEYK3ZE2H1GST2SXCKMSTI4.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_SwiftConcurrencyShims-ABCXUGMOJ2Y64UUV2Y7D2BD52.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_stddef-AZAOCK6F554MUZT32IVY0H9WU.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_DarwinFoundation1-E112WBJLCCO8YEVKIIBLN111E.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_DarwinFoundation2-55R05UJ9OP6J0GUVQKCQ2JUC.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_limits-B5BWU00VOG61G9AOF4IRYMH7A.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/sys_types-CYVQLRLX0Z4HW57ZNJUKP0MPX.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_stdint-LW1ODH1EVGGYB87QNC42IG3E.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_tgmath-7B0982Q6MLVXSQ78X3N07E0DK.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_stdatomic-6MYNCC2PN7EO7CJDQYQ323O67.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_intrinsics-5SJHMOKLYARC4395W6K72I0KP.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_DarwinFoundation3-EQZFBWWVW9KW6E3F3SNFCNB8N.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_inttypes-BDFY0PWTCHRDMSGRRHNEC420M.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Darwin-6EJIDGUP97A8AUBH8E5VMWPHN.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/simd-AZZ9ECOQGW9T7SORXXCLAG8SJ.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/MachO-EW2K9W0YQWC2T3Z1GGPY7GKXI.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/ObjectiveC-E9HS3HMP78PJ6KGCPCKFUCUBA.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/os_object-CFY74N2OU9RJXSMJ80ALF0EW3.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/os_workgroup-C3D2CJ2NKDTWICORJSTRT3B20.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Spatial-3D4DDE6DOD13ZZWZS3X2KJ9GO.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Dispatch-CTU02QJ91OX1WXBASR1DGMARP.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/XPC-85I3RD01DX6QDC0BOAFJC79GO.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/CoreFoundation-BV2K5A80R7QF72PPJ2AL4LEFT.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/os-58E2KM3LSTQKD06R8G4WBFIFB.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/CFNetwork-2P43PJ5IH1F1FN66X6INYLBXN.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Security-55WQ5LB8ULK9Q3XB2SZOSNU4U.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/CoreGraphics-CVRWF2G44AHHP0GD8MIQFK79J.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Foundation-3HBCW452KADHV2JHDSQSLVUIK.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/CoreText-9H3VMH21VO8IC6KMX771C76HI.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/ImageIO-MOMMY9RG6CXGEEDQ5S1SHP7L.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/FileProvider-7XBWGXMD6XE972SNJU4J6IC3Z.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/DataDetection-90DK842Y3EG42WOBO0TGPL81T.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/CoreData-57I866GLZC8MH3Q5X8D6GR5JM.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/UIUtilities-C65Z4AWN875Y8VT8I6TBJNO60.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Symbols-3MWML9BHMUP77EG09RM7WXG5A.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/UniformTypeIdentifiers-D8Z5TIX292UEVDVLFYLBFQHUX.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/OSLog-75VH460NV1QUY0VQU4UOSW2NQ.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/CoreTransferable-ECM3Y8QRH4Y5FMBKRS6YOJ85V.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/IOSurface-B5AYCFP2SDP17JIMPAQ27JZ71.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/UserNotifications-75XGIDIZX2YINO3FAWB1CAWNZ.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Accessibility-C2TXQQRTHPR4P0JLTT4RJULD6.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Metal-8K831DTOCJP10GM4X7WGEWY0X.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/OpenGLES-779OHCQHYTK25WW3AXPUP5AKI.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/CoreVideo-20T4Q3416VKY8TYMM1ACF26SQ.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/CoreImage-KMEF5CO892X5JD6NRL8AVBIJ.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/QuartzCore-3TBDK2TU082Z8QQ932S15QU7J.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/SwiftUICore-2Z3AWTCOYDOGH6K7J8MQR3ENJ.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/UIKit-14ICUI3JR710PYOI3IV5YEWP8.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/SwiftUI-461KS07J9584KB37GH68FXQC5.pcm
SwiftEmitModule normal arm64 Emitting\ module\ for\ WindowReference (in target 'WindowReference' from project 'swiftui-window-reference')
EmitSwiftModule normal arm64 (in target 'WindowReference' from project 'swiftui-window-reference')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/Environment.swift:5:27: error: cannot find type 'NSWindow' in scope
        static let defaultValue: NSWindow? = nil
                                 ^~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/Environment.swift:4:16: error: type 'WindowEnvironmentKey' does not conform to protocol 'EnvironmentKey'
private struct WindowEnvironmentKey: EnvironmentKey {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/Environment.swift:4:16: note: add stubs for conformance
private struct WindowEnvironmentKey: EnvironmentKey {
               ^
SwiftUI.EnvironmentKey.Value:2:16: note: protocol requires nested type 'Value'
associatedtype Value}
               ^
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/Environment.swift:10:14: error: cannot find type 'NSWindow' in scope
        var window: NSWindow? {
                    ^~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/Environment.swift:9:18: error: 'EnvironmentValues' is only available in iOS 13.0 or newer
public extension EnvironmentValues {
                 ^
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/Environment.swift:9:8: note: add '@available' attribute to enclosing extension
public extension EnvironmentValues {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/Environment.swift:18:54: error: 'some' return types are only available in iOS 13.0.0 or newer
        func addWindowToEnvironment(_ window: NSWindow?) -> some View {
                                                            ^
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/Environment.swift:18:7: note: add '@available' attribute to enclosing instance method
        func addWindowToEnvironment(_ window: NSWindow?) -> some View {
             ^
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/Environment.swift:17:8: note: add '@available' attribute to enclosing extension
public extension View {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/Environment.swift:18:40: error: cannot find type 'NSWindow' in scope
        func addWindowToEnvironment(_ window: NSWindow?) -> some View {
                                              ^~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/Environment.swift:18:59: error: 'View' is only available in iOS 13.0 or newer
        func addWindowToEnvironment(_ window: NSWindow?) -> some View {
                                                                 ^
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/Environment.swift:18:7: note: add '@available' attribute to enclosing instance method
        func addWindowToEnvironment(_ window: NSWindow?) -> some View {
             ^
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/Environment.swift:17:8: note: add '@available' attribute to enclosing extension
public extension View {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/Environment.swift:17:18: error: 'View' is only available in iOS 13.0 or newer
public extension View {
                 ^
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/Environment.swift:17:8: note: add '@available' attribute to enclosing extension
public extension View {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/WindowReference.swift:11:29: error: cannot find type 'NSWindow' in scope
        @State private var window: NSWindow? = nil
                                   ^~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/WindowReference.swift:11:3: error: 'State' is only available in iOS 13.0 or newer
        @State private var window: NSWindow? = nil
         ^
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/WindowReference.swift:9:15: note: add '@available' attribute to enclosing generic struct
public struct WindowReference<Content: View>: View {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/WindowReference.swift:15:26: error: cannot find type 'NSWindow' in scope
        let windowInitializer: (NSWindow) -> Void
                                ^~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/WindowReference.swift:19:19: error: 'some' return types are only available in iOS 13.0.0 or newer
        public var body: some View {
                         ^
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/WindowReference.swift:19:13: note: add '@available' attribute to enclosing property
        public var body: some View {
                   ^
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/WindowReference.swift:9:15: note: add '@available' attribute to enclosing generic struct
public struct WindowReference<Content: View>: View {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/WindowReference.swift:19:24: error: 'View' is only available in iOS 13.0 or newer
        public var body: some View {
                              ^
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/WindowReference.swift:19:13: note: add '@available' attribute to enclosing property
        public var body: some View {
                   ^
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/WindowReference.swift:9:15: note: add '@available' attribute to enclosing generic struct
public struct WindowReference<Content: View>: View {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/WindowReference.swift:33:84: error: cannot find type 'NSWindow' in scope
        public init(withId id: String, andWindowInitializer windowInitializer: @escaping (NSWindow) -> Void = {window in}, @ViewBuilder content: @escaping () -> Content) {
                                                                                          ^~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/WindowReference.swift:33:118: error: 'ViewBuilder' is only available in iOS 13.0 or newer
        public init(withId id: String, andWindowInitializer windowInitializer: @escaping (NSWindow) -> Void = {window in}, @ViewBuilder content: @escaping () -> Content) {
                                                                                                                            ^
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/WindowReference.swift:33:9: note: add '@available' attribute to enclosing initializer
        public init(withId id: String, andWindowInitializer windowInitializer: @escaping (NSWindow) -> Void = {window in}, @ViewBuilder content: @escaping () -> Content) {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/WindowReference.swift:9:15: note: add '@available' attribute to enclosing generic struct
public struct WindowReference<Content: View>: View {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/WindowReference.swift:46:66: error: cannot find type 'NSWindow' in scope
        public init(withWindowInitializer windowInitializer: @escaping (NSWindow) -> Void = {window in}, @ViewBuilder content: @escaping () -> Content) {
                                                                        ^~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/WindowReference.swift:46:100: error: 'ViewBuilder' is only available in iOS 13.0 or newer
        public init(withWindowInitializer windowInitializer: @escaping (NSWindow) -> Void = {window in}, @ViewBuilder content: @escaping () -> Content) {
                                                                                                          ^
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/WindowReference.swift:46:9: note: add '@available' attribute to enclosing initializer
        public init(withWindowInitializer windowInitializer: @escaping (NSWindow) -> Void = {window in}, @ViewBuilder content: @escaping () -> Content) {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/WindowReference.swift:9:15: note: add '@available' attribute to enclosing generic struct
public struct WindowReference<Content: View>: View {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/WindowReference.swift:60:30: error: cannot find type 'NSWindow' in scope
        private func getWindow() -> NSWindow? {
                                    ^~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/WindowReference.swift:68:34: error: cannot find type 'NSWindow' in scope
        private func getWindowById() -> NSWindow? {
                                        ^~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/WindowReference.swift:77:33: error: cannot find type 'NSWindow' in scope
        private func getKeyWindow() -> NSWindow? {
                                       ^~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/WindowReference.swift:9:40: error: 'View' is only available in iOS 13.0 or newer
public struct WindowReference<Content: View>: View {
                                       ^
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/WindowReference.swift:9:15: note: add '@available' attribute to enclosing generic struct
public struct WindowReference<Content: View>: View {
              ^
Failed frontend command:
/Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /Users/admin/builder/spi-builder-workspace/Sources/WindowReference/Environment.swift /Users/admin/builder/spi-builder-workspace/Sources/WindowReference/WindowReference.swift -target arm64-apple-ios12.0 -load-resolved-plugin /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib/swift/host/plugins/libFoundationMacros.dylib\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/swift-plugin-server\#FoundationMacros -load-resolved-plugin /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib/swift/host/plugins/libObservationMacros.dylib\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/swift-plugin-server\#ObservationMacros -load-resolved-plugin /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib/swift/host/plugins/libPreviewsMacros.dylib\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/swift-plugin-server\#PreviewsMacros -load-resolved-plugin /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib/swift/host/plugins/libSwiftMacros.dylib\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/swift-plugin-server\#SwiftMacros -load-resolved-plugin /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib/swift/host/plugins/libSwiftUIMacros.dylib\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.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/swiftui-window-reference.build/Debug-iphoneos/WindowReference.build/Objects-normal/arm64/WindowReference-dependencies-1.json -Xllvm -aarch64-use-tbi -enable-objc-interop -sdk /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -Isystem /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.sdk/Developer/Library/Frameworks -no-color-diagnostics -Xcc -fno-color-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -swift-version 5 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D Xcode -serialize-debugging-options -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/WindowReference.build/Objects-normal/arm64/WindowReference_const_extract_protocols.json -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -enable-anonymous-context-mangled-names -file-compilation-dir /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos26.4-23E237-688ef53f1462e2c8f657fdc38a81448fc1e9a37d8fcda5dee89abd67dc927a23.sdkstatcache -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/WindowReference.build/swift-overrides.hmap -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/WindowReference.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/WindowReference.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/WindowReference.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name WindowReference -package-name spi_builder_workspace -frontend-parseable-output -disable-clang-spi -clang-target arm64-apple-ios26.4 -target-sdk-version 26.4 -target-sdk-name iphoneos26.4 -in-process-plugin-server-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -emit-module-doc-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/WindowReference.build/Objects-normal/arm64/WindowReference.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/WindowReference.build/Objects-normal/arm64/WindowReference.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/WindowReference.build/Objects-normal/arm64/WindowReference-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/WindowReference.build/Objects-normal/arm64/WindowReference-primary-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/WindowReference.build/Objects-normal/arm64/WindowReference-primary-emit-module.d -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/WindowReference.build/Objects-normal/arm64/WindowReference.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/WindowReference.build/Objects-normal/arm64/WindowReference.abi.json
SwiftCompile normal arm64 Compiling\ Environment.swift /Users/admin/builder/spi-builder-workspace/Sources/WindowReference/Environment.swift (in target 'WindowReference' from project 'swiftui-window-reference')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/WindowReference/Environment.swift (in target 'WindowReference' from project 'swiftui-window-reference')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ WindowReference.swift /Users/admin/builder/spi-builder-workspace/Sources/WindowReference/WindowReference.swift (in target 'WindowReference' from project 'swiftui-window-reference')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/WindowReference/WindowReference.swift (in target 'WindowReference' from project 'swiftui-window-reference')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

2026-04-14 15:23:35.887 xcodebuild[638:3875] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
	EmitSwiftModule normal arm64 (in target 'WindowReference' from project 'swiftui-window-reference')
	SwiftEmitModule normal arm64 Emitting\ module\ for\ WindowReference (in target 'WindowReference' from project 'swiftui-window-reference')
	Building workspace spi-builder-workspace with scheme swiftui-window-reference-Package
(3 failures)
Command line invocation:
    /Applications/Xcode-26.4.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolved source packages:
  swiftui-window-reference: /Users/admin/builder/spi-builder-workspace
resolved source packages: swiftui-window-reference
2026-04-14 15:23:43.484 xcodebuild[714:4217] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "swiftui-window-reference",
  "name" : "swiftui-window-reference",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "13.0"
    }
  ],
  "products" : [
    {
      "name" : "WindowReference",
      "targets" : [
        "WindowReference"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "TestApp",
      "targets" : [
        "TestApp"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "WindowReference",
      "module_type" : "SwiftTarget",
      "name" : "WindowReference",
      "path" : "Sources/WindowReference",
      "product_memberships" : [
        "WindowReference",
        "TestApp"
      ],
      "sources" : [
        "Environment.swift",
        "WindowReference.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "TestApp",
      "module_type" : "SwiftTarget",
      "name" : "TestApp",
      "path" : "Sources/TestApp",
      "product_memberships" : [
        "TestApp"
      ],
      "sources" : [
        "main.swift"
      ],
      "target_dependencies" : [
        "WindowReference"
      ],
      "type" : "executable"
    }
  ],
  "tools_version" : "5.10"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "swiftui-window-reference-Package",
      "TestApp",
      "WindowReference"
    ]
  }
}
2026-04-14 15:23:44.705 xcodebuild[724:4298] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme swiftui-window-reference-Package -destination generic/platform=iOS
Command line invocation:
    /Applications/Xcode-26.4.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath /Users/admin/builder/spi-builder-workspace/.derivedData build -scheme swiftui-window-reference-Package -destination generic/platform=iOS
Resolve Package Graph
Resolved source packages:
  swiftui-window-reference: /Users/admin/builder/spi-builder-workspace
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (3 targets)
    Target 'TestApp' in project 'swiftui-window-reference'
        ➜ Explicit dependency on target 'WindowReference' in project 'swiftui-window-reference'
    Target 'WindowReference' in project 'swiftui-window-reference'
        ➜ Explicit dependency on target 'WindowReference' in project 'swiftui-window-reference'
    Target 'WindowReference' in project 'swiftui-window-reference' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ClangStatCache /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos26.4-23E237-688ef53f1462e2c8f657fdc38a81448fc1e9a37d8fcda5dee89abd67dc927a23.sdkstatcache
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos26.4-23E237-688ef53f1462e2c8f657fdc38a81448fc1e9a37d8fcda5dee89abd67dc927a23.sdkstatcache
SwiftDriver WindowReference normal arm64 com.apple.xcode.tools.swift.compiler (in target 'WindowReference' from project 'swiftui-window-reference')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftDriver -- /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name WindowReference -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/WindowReference.build/Objects-normal/arm64/WindowReference.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.sdk -target arm64-apple-ios12.0 -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-iphoneos -Isystem /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos26.4-23E237-688ef53f1462e2c8f657fdc38a81448fc1e9a37d8fcda5dee89abd67dc927a23.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/WindowReference.build/Objects-normal/arm64/WindowReference-OutputFileMap.json -use-frontend-parseable-output -save-temps -no-color-diagnostics -explicit-module-build -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -clang-scanner-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -sdk-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -serialize-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/WindowReference.build/Objects-normal/arm64/WindowReference.swiftmodule -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -package-name spi_builder_workspace -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/WindowReference.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/WindowReference.build/Objects-normal/arm64/WindowReference_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/WindowReference.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/WindowReference.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/WindowReference.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/swiftui-window-reference.build/Debug-iphoneos/WindowReference.build/Objects-normal/arm64/WindowReference-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftCompile normal arm64 Compiling\ Environment.swift /Users/admin/builder/spi-builder-workspace/Sources/WindowReference/Environment.swift (in target 'WindowReference' from project 'swiftui-window-reference')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/WindowReference/Environment.swift (in target 'WindowReference' from project 'swiftui-window-reference')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftEmitModule normal arm64 Emitting\ module\ for\ WindowReference (in target 'WindowReference' from project 'swiftui-window-reference')
Failed frontend command:
/Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /Users/admin/builder/spi-builder-workspace/Sources/WindowReference/Environment.swift /Users/admin/builder/spi-builder-workspace/Sources/WindowReference/WindowReference.swift -target arm64-apple-ios12.0 -load-resolved-plugin /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib/swift/host/plugins/libFoundationMacros.dylib\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/swift-plugin-server\#FoundationMacros -load-resolved-plugin /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib/swift/host/plugins/libObservationMacros.dylib\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/swift-plugin-server\#ObservationMacros -load-resolved-plugin /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib/swift/host/plugins/libPreviewsMacros.dylib\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/swift-plugin-server\#PreviewsMacros -load-resolved-plugin /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib/swift/host/plugins/libSwiftMacros.dylib\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/swift-plugin-server\#SwiftMacros -load-resolved-plugin /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib/swift/host/plugins/libSwiftUIMacros.dylib\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.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/swiftui-window-reference.build/Debug-iphoneos/WindowReference.build/Objects-normal/arm64/WindowReference-dependencies-1.json -Xllvm -aarch64-use-tbi -enable-objc-interop -sdk /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -Isystem /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.sdk/Developer/Library/Frameworks -no-color-diagnostics -Xcc -fno-color-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -swift-version 5 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D Xcode -serialize-debugging-options -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/WindowReference.build/Objects-normal/arm64/WindowReference_const_extract_protocols.json -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -enable-anonymous-context-mangled-names -file-compilation-dir /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos26.4-23E237-688ef53f1462e2c8f657fdc38a81448fc1e9a37d8fcda5dee89abd67dc927a23.sdkstatcache -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/WindowReference.build/swift-overrides.hmap -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/WindowReference.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/WindowReference.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/WindowReference.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name WindowReference -package-name spi_builder_workspace -frontend-parseable-output -disable-clang-spi -clang-target arm64-apple-ios26.4 -target-sdk-version 26.4 -target-sdk-name iphoneos26.4 -in-process-plugin-server-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -emit-module-doc-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/WindowReference.build/Objects-normal/arm64/WindowReference.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/WindowReference.build/Objects-normal/arm64/WindowReference.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/WindowReference.build/Objects-normal/arm64/WindowReference-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/WindowReference.build/Objects-normal/arm64/WindowReference-primary-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/WindowReference.build/Objects-normal/arm64/WindowReference-primary-emit-module.d -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/WindowReference.build/Objects-normal/arm64/WindowReference.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-window-reference.build/Debug-iphoneos/WindowReference.build/Objects-normal/arm64/WindowReference.abi.json
EmitSwiftModule normal arm64 (in target 'WindowReference' from project 'swiftui-window-reference')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/Environment.swift:5:27: error: cannot find type 'NSWindow' in scope
        static let defaultValue: NSWindow? = nil
                                 ^~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/Environment.swift:4:16: error: type 'WindowEnvironmentKey' does not conform to protocol 'EnvironmentKey'
private struct WindowEnvironmentKey: EnvironmentKey {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/Environment.swift:4:16: note: add stubs for conformance
private struct WindowEnvironmentKey: EnvironmentKey {
               ^
SwiftUI.EnvironmentKey.Value:2:16: note: protocol requires nested type 'Value'
associatedtype Value}
               ^
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/Environment.swift:10:14: error: cannot find type 'NSWindow' in scope
        var window: NSWindow? {
                    ^~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/Environment.swift:9:18: error: 'EnvironmentValues' is only available in iOS 13.0 or newer
public extension EnvironmentValues {
                 ^
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/Environment.swift:9:8: note: add '@available' attribute to enclosing extension
public extension EnvironmentValues {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/Environment.swift:18:54: error: 'some' return types are only available in iOS 13.0.0 or newer
        func addWindowToEnvironment(_ window: NSWindow?) -> some View {
                                                            ^
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/Environment.swift:18:7: note: add '@available' attribute to enclosing instance method
        func addWindowToEnvironment(_ window: NSWindow?) -> some View {
             ^
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/Environment.swift:17:8: note: add '@available' attribute to enclosing extension
public extension View {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/Environment.swift:18:40: error: cannot find type 'NSWindow' in scope
        func addWindowToEnvironment(_ window: NSWindow?) -> some View {
                                              ^~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/Environment.swift:18:59: error: 'View' is only available in iOS 13.0 or newer
        func addWindowToEnvironment(_ window: NSWindow?) -> some View {
                                                                 ^
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/Environment.swift:18:7: note: add '@available' attribute to enclosing instance method
        func addWindowToEnvironment(_ window: NSWindow?) -> some View {
             ^
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/Environment.swift:17:8: note: add '@available' attribute to enclosing extension
public extension View {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/Environment.swift:17:18: error: 'View' is only available in iOS 13.0 or newer
public extension View {
                 ^
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/Environment.swift:17:8: note: add '@available' attribute to enclosing extension
public extension View {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/WindowReference.swift:11:29: error: cannot find type 'NSWindow' in scope
        @State private var window: NSWindow? = nil
                                   ^~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/WindowReference.swift:11:3: error: 'State' is only available in iOS 13.0 or newer
        @State private var window: NSWindow? = nil
         ^
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/WindowReference.swift:9:15: note: add '@available' attribute to enclosing generic struct
public struct WindowReference<Content: View>: View {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/WindowReference.swift:15:26: error: cannot find type 'NSWindow' in scope
        let windowInitializer: (NSWindow) -> Void
                                ^~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/WindowReference.swift:19:19: error: 'some' return types are only available in iOS 13.0.0 or newer
        public var body: some View {
                         ^
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/WindowReference.swift:19:13: note: add '@available' attribute to enclosing property
        public var body: some View {
                   ^
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/WindowReference.swift:9:15: note: add '@available' attribute to enclosing generic struct
public struct WindowReference<Content: View>: View {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/WindowReference.swift:19:24: error: 'View' is only available in iOS 13.0 or newer
        public var body: some View {
                              ^
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/WindowReference.swift:19:13: note: add '@available' attribute to enclosing property
        public var body: some View {
                   ^
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/WindowReference.swift:9:15: note: add '@available' attribute to enclosing generic struct
public struct WindowReference<Content: View>: View {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/WindowReference.swift:33:84: error: cannot find type 'NSWindow' in scope
        public init(withId id: String, andWindowInitializer windowInitializer: @escaping (NSWindow) -> Void = {window in}, @ViewBuilder content: @escaping () -> Content) {
                                                                                          ^~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/WindowReference.swift:33:118: error: 'ViewBuilder' is only available in iOS 13.0 or newer
        public init(withId id: String, andWindowInitializer windowInitializer: @escaping (NSWindow) -> Void = {window in}, @ViewBuilder content: @escaping () -> Content) {
                                                                                                                            ^
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/WindowReference.swift:33:9: note: add '@available' attribute to enclosing initializer
        public init(withId id: String, andWindowInitializer windowInitializer: @escaping (NSWindow) -> Void = {window in}, @ViewBuilder content: @escaping () -> Content) {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/WindowReference.swift:9:15: note: add '@available' attribute to enclosing generic struct
public struct WindowReference<Content: View>: View {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/WindowReference.swift:46:66: error: cannot find type 'NSWindow' in scope
        public init(withWindowInitializer windowInitializer: @escaping (NSWindow) -> Void = {window in}, @ViewBuilder content: @escaping () -> Content) {
                                                                        ^~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/WindowReference.swift:46:100: error: 'ViewBuilder' is only available in iOS 13.0 or newer
        public init(withWindowInitializer windowInitializer: @escaping (NSWindow) -> Void = {window in}, @ViewBuilder content: @escaping () -> Content) {
                                                                                                          ^
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/WindowReference.swift:46:9: note: add '@available' attribute to enclosing initializer
        public init(withWindowInitializer windowInitializer: @escaping (NSWindow) -> Void = {window in}, @ViewBuilder content: @escaping () -> Content) {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/WindowReference.swift:9:15: note: add '@available' attribute to enclosing generic struct
public struct WindowReference<Content: View>: View {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/WindowReference.swift:60:30: error: cannot find type 'NSWindow' in scope
        private func getWindow() -> NSWindow? {
                                    ^~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/WindowReference.swift:68:34: error: cannot find type 'NSWindow' in scope
        private func getWindowById() -> NSWindow? {
                                        ^~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/WindowReference.swift:77:33: error: cannot find type 'NSWindow' in scope
        private func getKeyWindow() -> NSWindow? {
                                       ^~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/WindowReference.swift:9:40: error: 'View' is only available in iOS 13.0 or newer
public struct WindowReference<Content: View>: View {
                                       ^
/Users/admin/builder/spi-builder-workspace/Sources/WindowReference/WindowReference.swift:9:15: note: add '@available' attribute to enclosing generic struct
public struct WindowReference<Content: View>: View {
              ^
SwiftCompile normal arm64 Compiling\ WindowReference.swift /Users/admin/builder/spi-builder-workspace/Sources/WindowReference/WindowReference.swift (in target 'WindowReference' from project 'swiftui-window-reference')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/WindowReference/WindowReference.swift (in target 'WindowReference' from project 'swiftui-window-reference')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

2026-04-14 15:23:45.573 xcodebuild[727:4329] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
	SwiftEmitModule normal arm64 Emitting\ module\ for\ WindowReference (in target 'WindowReference' from project 'swiftui-window-reference')
	EmitSwiftModule normal arm64 (in target 'WindowReference' from project 'swiftui-window-reference')
	Building workspace spi-builder-workspace with scheme swiftui-window-reference-Package
(3 failures)
BUILD FAILURE 6.3 iOS