The Swift Package Index logo.Swift Package Index

Has it really been five years since Swift Package Index launched? Read our anniversary blog post!

Build Information

Failed to build Variablur, reference v2.0.0 (37817f), with Swift 6.1 for watchOS using Xcode 16.3 on 22 Nov 2025 03:50:38 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Variablur -destination generic/platform=watchOS

Build Log

========================================
RunAll
========================================
Builder version: 4.68.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/daprice/Variablur.git
Reference: v2.0.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/daprice/Variablur
 * tag               v2.0.0     -> FETCH_HEAD
HEAD is now at 37817ff Simplify and comment
Cloned https://github.com/daprice/Variablur.git
Revision (git rev-parse @):
37817ff4f7bfc4718df67cc3737cd3557bc959a1
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/daprice/Variablur.git at v2.0.0
========================================
Build
========================================
Selected platform:         watchOS
Swift version:             6.1
Building package at path:  $PWD
https://github.com/daprice/Variablur.git
https://github.com/daprice/Variablur.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Variablur",
  "name" : "Variablur",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "14.0"
    },
    {
      "name" : "ios",
      "version" : "17.0"
    },
    {
      "name" : "tvos",
      "version" : "17.0"
    },
    {
      "name" : "maccatalyst",
      "version" : "17.0"
    },
    {
      "name" : "visionos",
      "version" : "1.0"
    }
  ],
  "products" : [
    {
      "name" : "Variablur",
      "targets" : [
        "Variablur"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "Variablur",
      "module_type" : "SwiftTarget",
      "name" : "Variablur",
      "path" : "Sources/Variablur",
      "product_memberships" : [
        "Variablur"
      ],
      "resources" : [
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Sources/Variablur/Blurs.metal",
          "rule" : {
            "process" : {
            }
          }
        }
      ],
      "sources" : [
        "View+variableBlur.swift",
        "VisualEffect+variableBlur.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
Command line invocation:
    /Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolve Package Graph
Resolved source packages:
  Variablur: /Users/admin/builder/spi-builder-workspace
resolved source packages: Variablur
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Variablur",
  "name" : "Variablur",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "14.0"
    },
    {
      "name" : "ios",
      "version" : "17.0"
    },
    {
      "name" : "tvos",
      "version" : "17.0"
    },
    {
      "name" : "maccatalyst",
      "version" : "17.0"
    },
    {
      "name" : "visionos",
      "version" : "1.0"
    }
  ],
  "products" : [
    {
      "name" : "Variablur",
      "targets" : [
        "Variablur"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "Variablur",
      "module_type" : "SwiftTarget",
      "name" : "Variablur",
      "path" : "Sources/Variablur",
      "product_memberships" : [
        "Variablur"
      ],
      "resources" : [
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Sources/Variablur/Blurs.metal",
          "rule" : {
            "process" : {
            }
          }
        }
      ],
      "sources" : [
        "View+variableBlur.swift",
        "VisualEffect+variableBlur.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "Variablur"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Variablur -destination generic/platform=watchOS OTHER_SWIFT_FLAGS=-stats-output-dir .stats -strict-concurrency=complete -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature DisableOutwardActorInference -enable-upcoming-feature GlobalActorIsolatedTypesUsability -enable-upcoming-feature InferSendableFromCaptures
Command line invocation:
    /Applications/Xcode-16.3.0.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 Variablur -destination generic/platform=watchOS "OTHER_SWIFT_FLAGS=-stats-output-dir .stats -strict-concurrency=complete -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature DisableOutwardActorInference -enable-upcoming-feature GlobalActorIsolatedTypesUsability -enable-upcoming-feature InferSendableFromCaptures"
Build settings from command line:
    OTHER_SWIFT_FLAGS = -stats-output-dir .stats -strict-concurrency=complete -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature DisableOutwardActorInference -enable-upcoming-feature GlobalActorIsolatedTypesUsability -enable-upcoming-feature InferSendableFromCaptures
Resolve Package Graph
Resolved source packages:
  Variablur: /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 'Variablur' in project 'Variablur'
        ➜ Explicit dependency on target 'Variablur' in project 'Variablur'
        ➜ Explicit dependency on target 'Variablur_Variablur' in project 'Variablur'
    Target 'Variablur' in project 'Variablur'
        ➜ Explicit dependency on target 'Variablur_Variablur' in project 'Variablur'
    Target 'Variablur_Variablur' in project 'Variablur' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
ReadFileContents /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/share/docc/features.json
Build description signature: af9875fc9b96fcabadd51a1bad65e7f0
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/af9875fc9b96fcabadd51a1bad65e7f0.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-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.4.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos11.4-22T246-43efb940ff07ba2497b70ec94253f576.sdkstatcache
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.4.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos11.4-22T246-43efb940ff07ba2497b70ec94253f576.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/EagerLinkingTBDs/Debug-watchos
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/EagerLinkingTBDs/Debug-watchos
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/PackageFrameworks
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/PackageFrameworks
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Variablur.build/Debug-watchos/Variablur.build/Variablur.DependencyMetadataFileList (in target 'Variablur' from project 'Variablur')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Variablur.build/Debug-watchos/Variablur.build/Variablur.DependencyMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Variablur.build/Debug-watchos/Variablur.build/Variablur.modulemap (in target 'Variablur' from project 'Variablur')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Variablur.build/Debug-watchos/Variablur.build/Variablur.modulemap
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Variablur.build/Debug-watchos/Variablur.build/Variablur.DependencyStaticMetadataFileList (in target 'Variablur' from project 'Variablur')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Variablur.build/Debug-watchos/Variablur.build/Variablur.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Variablur.build/Debug-watchos/Variablur_Variablur.build/empty-Variablur_Variablur.plist (in target 'Variablur_Variablur' from project 'Variablur')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Variablur.build/Debug-watchos/Variablur_Variablur.build/empty-Variablur_Variablur.plist
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Variablur.build/Debug-watchos/Variablur.build/Objects-normal/arm64_32/Variablur.SwiftConstValuesFileList (in target 'Variablur' from project 'Variablur')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Variablur.build/Debug-watchos/Variablur.build/Objects-normal/arm64_32/Variablur.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Variablur.build/Debug-watchos/Variablur.build/Objects-normal/arm64_32/Variablur.SwiftFileList (in target 'Variablur' from project 'Variablur')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Variablur.build/Debug-watchos/Variablur.build/Objects-normal/arm64_32/Variablur.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Variablur.build/Debug-watchos/Variablur.build/Objects-normal/arm64_32/Variablur.LinkFileList (in target 'Variablur' from project 'Variablur')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Variablur.build/Debug-watchos/Variablur.build/Objects-normal/arm64_32/Variablur.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Variablur.build/Debug-watchos/Variablur.build/Objects-normal/arm64_32/Variablur_const_extract_protocols.json (in target 'Variablur' from project 'Variablur')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Variablur.build/Debug-watchos/Variablur.build/Objects-normal/arm64_32/Variablur_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Variablur.build/Debug-watchos/Variablur_Variablur.build/Variablur_Variablur.DependencyStaticMetadataFileList (in target 'Variablur_Variablur' from project 'Variablur')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Variablur.build/Debug-watchos/Variablur_Variablur.build/Variablur_Variablur.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Variablur.build/Debug-watchos/Variablur_Variablur.build/Variablur_Variablur.DependencyMetadataFileList (in target 'Variablur_Variablur' from project 'Variablur')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Variablur.build/Debug-watchos/Variablur_Variablur.build/Variablur_Variablur.DependencyMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Variablur.build/Debug-watchos/Variablur.build/Objects-normal/arm64_32/Variablur-OutputFileMap.json (in target 'Variablur' from project 'Variablur')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Variablur.build/Debug-watchos/Variablur.build/Objects-normal/arm64_32/Variablur-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Variablur.build/Debug-watchos/Variablur.build/Objects-normal/arm64/Variablur_const_extract_protocols.json (in target 'Variablur' from project 'Variablur')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Variablur.build/Debug-watchos/Variablur.build/Objects-normal/arm64/Variablur_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Variablur.build/Debug-watchos/Variablur.build/Objects-normal/arm64/Variablur.SwiftFileList (in target 'Variablur' from project 'Variablur')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Variablur.build/Debug-watchos/Variablur.build/Objects-normal/arm64/Variablur.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Variablur.build/Debug-watchos/Variablur.build/Objects-normal/arm64/Variablur.SwiftConstValuesFileList (in target 'Variablur' from project 'Variablur')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Variablur.build/Debug-watchos/Variablur.build/Objects-normal/arm64/Variablur.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Variablur.build/Debug-watchos/Variablur.build/Objects-normal/arm64/Variablur.LinkFileList (in target 'Variablur' from project 'Variablur')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Variablur.build/Debug-watchos/Variablur.build/Objects-normal/arm64/Variablur.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Variablur.build/Debug-watchos/Variablur.build/Objects-normal/arm64/Variablur-OutputFileMap.json (in target 'Variablur' from project 'Variablur')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Variablur.build/Debug-watchos/Variablur.build/Objects-normal/arm64/Variablur-OutputFileMap.json
MkDir /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/Variablur_Variablur.bundle (in target 'Variablur_Variablur' from project 'Variablur')
    cd /Users/admin/builder/spi-builder-workspace
    /bin/mkdir -p /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/Variablur_Variablur.bundle
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-watchos/Variablur.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Variablur.build/Debug-watchos/Variablur.build/Variablur.modulemap (in target 'Variablur' from project 'Variablur')
    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/Variablur.build/Debug-watchos/Variablur.build/Variablur.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-watchos
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Variablur.build/Debug-watchos/Variablur.build/DerivedSources/resource_bundle_accessor.swift (in target 'Variablur' from project 'Variablur')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Variablur.build/Debug-watchos/Variablur.build/DerivedSources/resource_bundle_accessor.swift
ProcessInfoPlistFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/Variablur_Variablur.bundle/Info.plist /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Variablur.build/Debug-watchos/Variablur_Variablur.build/empty-Variablur_Variablur.plist (in target 'Variablur_Variablur' from project 'Variablur')
    cd /Users/admin/builder/spi-builder-workspace
    builtin-infoPlistUtility /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Variablur.build/Debug-watchos/Variablur_Variablur.build/empty-Variablur_Variablur.plist -producttype com.apple.product-type.bundle -expandbuildsettings -format binary -platform watchos -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/Variablur_Variablur.bundle/Info.plist
CompileMetalFile /Users/admin/builder/spi-builder-workspace/Sources/Variablur/Blurs.metal (in target 'Variablur_Variablur' from project 'Variablur')
    cd /Users/admin/builder/spi-builder-workspace
    /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/metal -c -target air64-apple-watchos10.0 -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/include -F/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -isysroot /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.4.sdk -fmetal-math-mode\=fast -fmetal-math-fp32-functions\=fast -serialize-diagnostics /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Variablur.build/Debug-watchos/Variablur_Variablur.build/Metal/Blurs.dia -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Variablur.build/Debug-watchos/Variablur_Variablur.build/Metal/Blurs.air -MMD -MT dependencies -MF /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Variablur.build/Debug-watchos/Variablur_Variablur.build/Metal/Blurs.dat /Users/admin/builder/spi-builder-workspace/Sources/Variablur/Blurs.metal
/Users/admin/builder/spi-builder-workspace/Sources/Variablur/Blurs.metal:27:60: error: use of undeclared identifier 'SwiftUI'
half4 gaussianBlur1D(float2 position, float4 boundingRect, SwiftUI::Layer layer, bool normalizeEdges, half radius, half2 axisMultiplier, half maxSamples) {
                                                           ^
/Users/admin/builder/spi-builder-workspace/Sources/Variablur/Blurs.metal:87:49: error: use of undeclared identifier 'SwiftUI'
[[ stitchable ]] half4 variableBlur(float2 pos, SwiftUI::Layer layer, float4 boundingRect, float radius, float maxSamples, texture2d<half> mask, float vertical, float normalizeEdges) {
                                                ^
2 errors generated.
SwiftDriver Variablur normal arm64_32 com.apple.xcode.tools.swift.compiler (in target 'Variablur' from project 'Variablur')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftDriver -- /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name Variablur -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Variablur.build/Debug-watchos/Variablur.build/Objects-normal/arm64_32/Variablur.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -stats-output-dir .stats -strict-concurrency\=complete -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature DisableOutwardActorInference -enable-upcoming-feature GlobalActorIsolatedTypesUsability -enable-upcoming-feature InferSendableFromCaptures -plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.4.sdk -target arm64_32-apple-watchos10.0 -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 -swift-version 5 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -I /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.4.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos11.4-22T246-43efb940ff07ba2497b70ec94253f576.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Variablur.build/Debug-watchos/Variablur.build/Objects-normal/arm64_32/Variablur-OutputFileMap.json -use-frontend-parseable-output -save-temps -no-color-diagnostics -serialize-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Variablur.build/Debug-watchos/Variablur.build/Objects-normal/arm64_32/Variablur.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/Variablur.build/Debug-watchos/Variablur.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Variablur.build/Debug-watchos/Variablur.build/Objects-normal/arm64_32/Variablur_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Variablur.build/Debug-watchos/Variablur.build/DerivedSources-normal/arm64_32 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Variablur.build/Debug-watchos/Variablur.build/DerivedSources/arm64_32 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Variablur.build/Debug-watchos/Variablur.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/Variablur.build/Debug-watchos/Variablur.build/Objects-normal/arm64_32/Variablur-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftDriver Variablur normal arm64 com.apple.xcode.tools.swift.compiler (in target 'Variablur' from project 'Variablur')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftDriver -- /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name Variablur -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Variablur.build/Debug-watchos/Variablur.build/Objects-normal/arm64/Variablur.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -stats-output-dir .stats -strict-concurrency\=complete -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature DisableOutwardActorInference -enable-upcoming-feature GlobalActorIsolatedTypesUsability -enable-upcoming-feature InferSendableFromCaptures -plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.4.sdk -target arm64-apple-watchos10.0 -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 -swift-version 5 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -I /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.4.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos11.4-22T246-43efb940ff07ba2497b70ec94253f576.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Variablur.build/Debug-watchos/Variablur.build/Objects-normal/arm64/Variablur-OutputFileMap.json -use-frontend-parseable-output -save-temps -no-color-diagnostics -serialize-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Variablur.build/Debug-watchos/Variablur.build/Objects-normal/arm64/Variablur.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/Variablur.build/Debug-watchos/Variablur.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Variablur.build/Debug-watchos/Variablur.build/Objects-normal/arm64/Variablur_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Variablur.build/Debug-watchos/Variablur.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Variablur.build/Debug-watchos/Variablur.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Variablur.build/Debug-watchos/Variablur.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/Variablur.build/Debug-watchos/Variablur.build/Objects-normal/arm64/Variablur-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftEmitModule normal arm64 Emitting\ module\ for\ Variablur (in target 'Variablur' from project 'Variablur')
EmitSwiftModule normal arm64 (in target 'Variablur' from project 'Variablur')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftEmitModule normal arm64_32 Emitting\ module\ for\ Variablur (in target 'Variablur' from project 'Variablur')
EmitSwiftModule normal arm64_32 (in target 'Variablur' from project 'Variablur')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ resource_bundle_accessor.swift /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Variablur.build/Debug-watchos/Variablur.build/DerivedSources/resource_bundle_accessor.swift (in target 'Variablur' from project 'Variablur')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Variablur.build/Debug-watchos/Variablur.build/DerivedSources/resource_bundle_accessor.swift (in target 'Variablur' from project 'Variablur')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ VisualEffect+variableBlur.swift /Users/admin/builder/spi-builder-workspace/Sources/Variablur/VisualEffect+variableBlur.swift (in target 'Variablur' from project 'Variablur')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Variablur/VisualEffect+variableBlur.swift (in target 'Variablur' from project 'Variablur')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ View+variableBlur.swift /Users/admin/builder/spi-builder-workspace/Sources/Variablur/View+variableBlur.swift (in target 'Variablur' from project 'Variablur')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Variablur/View+variableBlur.swift (in target 'Variablur' from project 'Variablur')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64_32 Compiling\ VisualEffect+variableBlur.swift /Users/admin/builder/spi-builder-workspace/Sources/Variablur/VisualEffect+variableBlur.swift (in target 'Variablur' from project 'Variablur')
SwiftCompile normal arm64_32 /Users/admin/builder/spi-builder-workspace/Sources/Variablur/VisualEffect+variableBlur.swift (in target 'Variablur' from project 'Variablur')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64_32 Compiling\ resource_bundle_accessor.swift /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Variablur.build/Debug-watchos/Variablur.build/DerivedSources/resource_bundle_accessor.swift (in target 'Variablur' from project 'Variablur')
SwiftCompile normal arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Variablur.build/Debug-watchos/Variablur.build/DerivedSources/resource_bundle_accessor.swift (in target 'Variablur' from project 'Variablur')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64_32 Compiling\ View+variableBlur.swift /Users/admin/builder/spi-builder-workspace/Sources/Variablur/View+variableBlur.swift (in target 'Variablur' from project 'Variablur')
SwiftCompile normal arm64_32 /Users/admin/builder/spi-builder-workspace/Sources/Variablur/View+variableBlur.swift (in target 'Variablur' from project 'Variablur')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

** BUILD FAILED **
The following build commands failed:
	CompileMetalFile /Users/admin/builder/spi-builder-workspace/Sources/Variablur/Blurs.metal (in target 'Variablur_Variablur' from project 'Variablur')
	Building workspace spi-builder-workspace with scheme Variablur
(2 failures)
Command line invocation:
    /Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolved source packages:
  Variablur: /Users/admin/builder/spi-builder-workspace
resolved source packages: Variablur
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Variablur",
  "name" : "Variablur",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "14.0"
    },
    {
      "name" : "ios",
      "version" : "17.0"
    },
    {
      "name" : "tvos",
      "version" : "17.0"
    },
    {
      "name" : "maccatalyst",
      "version" : "17.0"
    },
    {
      "name" : "visionos",
      "version" : "1.0"
    }
  ],
  "products" : [
    {
      "name" : "Variablur",
      "targets" : [
        "Variablur"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "Variablur",
      "module_type" : "SwiftTarget",
      "name" : "Variablur",
      "path" : "Sources/Variablur",
      "product_memberships" : [
        "Variablur"
      ],
      "resources" : [
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Sources/Variablur/Blurs.metal",
          "rule" : {
            "process" : {
            }
          }
        }
      ],
      "sources" : [
        "View+variableBlur.swift",
        "VisualEffect+variableBlur.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "Variablur"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Variablur -destination generic/platform=watchOS
Command line invocation:
    /Applications/Xcode-16.3.0.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 Variablur -destination generic/platform=watchOS
Resolve Package Graph
Resolved source packages:
  Variablur: /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 'Variablur' in project 'Variablur'
        ➜ Explicit dependency on target 'Variablur' in project 'Variablur'
        ➜ Explicit dependency on target 'Variablur_Variablur' in project 'Variablur'
    Target 'Variablur' in project 'Variablur'
        ➜ Explicit dependency on target 'Variablur_Variablur' in project 'Variablur'
    Target 'Variablur_Variablur' in project 'Variablur' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
ReadFileContents /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/share/docc/features.json
Build description signature: f2cf7a6912f8b1bc02a4bb9fff67798c
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/f2cf7a6912f8b1bc02a4bb9fff67798c.xcbuilddata
ClangStatCache /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.4.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos11.4-22T246-43efb940ff07ba2497b70ec94253f576.sdkstatcache
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.4.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos11.4-22T246-43efb940ff07ba2497b70ec94253f576.sdkstatcache
ProcessInfoPlistFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/Variablur_Variablur.bundle/Info.plist /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Variablur.build/Debug-watchos/Variablur_Variablur.build/empty-Variablur_Variablur.plist (in target 'Variablur_Variablur' from project 'Variablur')
    cd /Users/admin/builder/spi-builder-workspace
    builtin-infoPlistUtility /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Variablur.build/Debug-watchos/Variablur_Variablur.build/empty-Variablur_Variablur.plist -producttype com.apple.product-type.bundle -expandbuildsettings -format binary -platform watchos -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/Variablur_Variablur.bundle/Info.plist
CompileMetalFile /Users/admin/builder/spi-builder-workspace/Sources/Variablur/Blurs.metal (in target 'Variablur_Variablur' from project 'Variablur')
    cd /Users/admin/builder/spi-builder-workspace
    /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/metal -c -target air64-apple-watchos10.0 -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/include -F/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -isysroot /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.4.sdk -fmetal-math-mode\=fast -fmetal-math-fp32-functions\=fast -serialize-diagnostics /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Variablur.build/Debug-watchos/Variablur_Variablur.build/Metal/Blurs.dia -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Variablur.build/Debug-watchos/Variablur_Variablur.build/Metal/Blurs.air -MMD -MT dependencies -MF /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Variablur.build/Debug-watchos/Variablur_Variablur.build/Metal/Blurs.dat /Users/admin/builder/spi-builder-workspace/Sources/Variablur/Blurs.metal
/Users/admin/builder/spi-builder-workspace/Sources/Variablur/Blurs.metal:27:60: error: use of undeclared identifier 'SwiftUI'
half4 gaussianBlur1D(float2 position, float4 boundingRect, SwiftUI::Layer layer, bool normalizeEdges, half radius, half2 axisMultiplier, half maxSamples) {
                                                           ^
/Users/admin/builder/spi-builder-workspace/Sources/Variablur/Blurs.metal:87:49: error: use of undeclared identifier 'SwiftUI'
[[ stitchable ]] half4 variableBlur(float2 pos, SwiftUI::Layer layer, float4 boundingRect, float radius, float maxSamples, texture2d<half> mask, float vertical, float normalizeEdges) {
                                                ^
2 errors generated.
** BUILD FAILED **
The following build commands failed:
	CompileMetalFile /Users/admin/builder/spi-builder-workspace/Sources/Variablur/Blurs.metal (in target 'Variablur_Variablur' from project 'Variablur')
	Building workspace spi-builder-workspace with scheme Variablur
(2 failures)
BUILD FAILURE 6.1 watchOS