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 OKLCHGradient, reference main (ede198), with Swift 6.2 for iOS using Xcode 26.0 on 28 Nov 2025 17:38:31 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-26.0.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme OKLCHGradient -destination generic/platform=iOS

Build Log

========================================
RunAll
========================================
Builder version: 4.68.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/fwrs/OKLCHGradient.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/fwrs/OKLCHGradient
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at ede1989 Migrate to @available and lower the package-wide version requirement
Cloned https://github.com/fwrs/OKLCHGradient.git
Revision (git rev-parse @):
ede1989a8a5e11ece0ec8ad87168b3ab6fd3b234
SUCCESS checkout https://github.com/fwrs/OKLCHGradient.git at main
========================================
Build
========================================
Selected platform:         iOS
Swift version:             6.2
Building package at path:  $PWD
https://github.com/fwrs/OKLCHGradient.git
Command line invocation:
    /Applications/Xcode-26.0.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolve Package Graph
Resolved source packages:
  OKLCHGradient: /Users/admin/builder/spi-builder-workspace
resolved source packages: OKLCHGradient
2025-11-28 12:38:21.771 xcodebuild[523:3062] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "OKLCHGradient",
  "name" : "OKLCHGradient",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "15.0"
    },
    {
      "name" : "macos",
      "version" : "12.0"
    },
    {
      "name" : "tvos",
      "version" : "15.0"
    },
    {
      "name" : "visionos",
      "version" : "1.0"
    },
    {
      "name" : "watchos",
      "version" : "6.0"
    }
  ],
  "products" : [
    {
      "name" : "OKLCHGradient",
      "targets" : [
        "OKLCHGradient"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "OKLCHGradient",
      "module_type" : "SwiftTarget",
      "name" : "OKLCHGradient",
      "path" : "Sources/OKLCHGradient",
      "product_memberships" : [
        "OKLCHGradient"
      ],
      "resources" : [
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Sources/OKLCHGradient/OKLCHGradient.metal",
          "rule" : {
            "process" : {
            }
          }
        }
      ],
      "sources" : [
        "OKLCHAngularGradient.swift",
        "OKLCHEllipticalGradient.swift",
        "OKLCHLinearGradient.swift",
        "OKLCHRadialGradient.swift",
        "Utils.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "OKLCHGradient"
    ]
  }
}
2025-11-28 12:38:26.542 xcodebuild[608:3692] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.0.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme OKLCHGradient -destination generic/platform=iOS
Command line invocation:
    /Applications/Xcode-26.0.0.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 OKLCHGradient -destination generic/platform=iOS
Resolve Package Graph
Resolved source packages:
  OKLCHGradient: /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 'OKLCHGradient' in project 'OKLCHGradient'
        ➜ Explicit dependency on target 'OKLCHGradient' in project 'OKLCHGradient'
        ➜ Explicit dependency on target 'OKLCHGradient_OKLCHGradient' in project 'OKLCHGradient'
    Target 'OKLCHGradient' in project 'OKLCHGradient'
        ➜ Explicit dependency on target 'OKLCHGradient_OKLCHGradient' in project 'OKLCHGradient'
    Target 'OKLCHGradient_OKLCHGradient' in project 'OKLCHGradient' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-26.0.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-26.0.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.0.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.0.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-26.0.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: 164ff5b337ab71abe02f0f2cab3c3529
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/164ff5b337ab71abe02f0f2cab3c3529.xcbuilddata
ClangStatCache /Applications/Xcode-26.0.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-26.0.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.0.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos26.0-23A339-031f2ee2c39ede4aa7d3d33a6e255a3e.sdkstatcache
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    /Applications/Xcode-26.0.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-26.0.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.0.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos26.0-23A339-031f2ee2c39ede4aa7d3d33a6e255a3e.sdkstatcache
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ExplicitPrecompiledModules
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ExplicitPrecompiledModules
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/EagerLinkingTBDs/Debug-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
MkDir /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/OKLCHGradient_OKLCHGradient.bundle (in target 'OKLCHGradient_OKLCHGradient' from project 'OKLCHGradient')
    cd /Users/admin/builder/spi-builder-workspace
    /bin/mkdir -p /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/OKLCHGradient_OKLCHGradient.bundle
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/OKLCHGradient.build/Debug-iphoneos/OKLCHGradient_OKLCHGradient.build/OKLCHGradient_OKLCHGradient.DependencyStaticMetadataFileList (in target 'OKLCHGradient_OKLCHGradient' from project 'OKLCHGradient')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/OKLCHGradient.build/Debug-iphoneos/OKLCHGradient_OKLCHGradient.build/OKLCHGradient_OKLCHGradient.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/OKLCHGradient.build/Debug-iphoneos/OKLCHGradient_OKLCHGradient.build/empty-OKLCHGradient_OKLCHGradient.plist (in target 'OKLCHGradient_OKLCHGradient' from project 'OKLCHGradient')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/OKLCHGradient.build/Debug-iphoneos/OKLCHGradient_OKLCHGradient.build/empty-OKLCHGradient_OKLCHGradient.plist
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/OKLCHGradient.build/Debug-iphoneos/OKLCHGradient_OKLCHGradient.build/OKLCHGradient_OKLCHGradient.DependencyMetadataFileList (in target 'OKLCHGradient_OKLCHGradient' from project 'OKLCHGradient')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/OKLCHGradient.build/Debug-iphoneos/OKLCHGradient_OKLCHGradient.build/OKLCHGradient_OKLCHGradient.DependencyMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/OKLCHGradient.build/Debug-iphoneos/OKLCHGradient.build/Objects-normal/arm64/OKLCHGradient_const_extract_protocols.json (in target 'OKLCHGradient' from project 'OKLCHGradient')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/OKLCHGradient.build/Debug-iphoneos/OKLCHGradient.build/Objects-normal/arm64/OKLCHGradient_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/OKLCHGradient.build/Debug-iphoneos/OKLCHGradient.build/Objects-normal/arm64/OKLCHGradient.SwiftFileList (in target 'OKLCHGradient' from project 'OKLCHGradient')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/OKLCHGradient.build/Debug-iphoneos/OKLCHGradient.build/Objects-normal/arm64/OKLCHGradient.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/OKLCHGradient.build/Debug-iphoneos/OKLCHGradient.build/Objects-normal/arm64/OKLCHGradient.SwiftConstValuesFileList (in target 'OKLCHGradient' from project 'OKLCHGradient')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/OKLCHGradient.build/Debug-iphoneos/OKLCHGradient.build/Objects-normal/arm64/OKLCHGradient.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/OKLCHGradient.build/Debug-iphoneos/OKLCHGradient.build/Objects-normal/arm64/OKLCHGradient.LinkFileList (in target 'OKLCHGradient' from project 'OKLCHGradient')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/OKLCHGradient.build/Debug-iphoneos/OKLCHGradient.build/Objects-normal/arm64/OKLCHGradient.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/OKLCHGradient.build/Debug-iphoneos/OKLCHGradient.build/Objects-normal/arm64/OKLCHGradient-OutputFileMap.json (in target 'OKLCHGradient' from project 'OKLCHGradient')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/OKLCHGradient.build/Debug-iphoneos/OKLCHGradient.build/Objects-normal/arm64/OKLCHGradient-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/OKLCHGradient.build/Debug-iphoneos/OKLCHGradient.build/OKLCHGradient.modulemap (in target 'OKLCHGradient' from project 'OKLCHGradient')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/OKLCHGradient.build/Debug-iphoneos/OKLCHGradient.build/OKLCHGradient.modulemap
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/OKLCHGradient.build/Debug-iphoneos/OKLCHGradient.build/OKLCHGradient.DependencyStaticMetadataFileList (in target 'OKLCHGradient' from project 'OKLCHGradient')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/OKLCHGradient.build/Debug-iphoneos/OKLCHGradient.build/OKLCHGradient.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/OKLCHGradient.build/Debug-iphoneos/OKLCHGradient.build/OKLCHGradient.DependencyMetadataFileList (in target 'OKLCHGradient' from project 'OKLCHGradient')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/OKLCHGradient.build/Debug-iphoneos/OKLCHGradient.build/OKLCHGradient.DependencyMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/OKLCHGradient.build/Debug-iphoneos/OKLCHGradient.build/DerivedSources/resource_bundle_accessor.swift (in target 'OKLCHGradient' from project 'OKLCHGradient')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/OKLCHGradient.build/Debug-iphoneos/OKLCHGradient.build/DerivedSources/resource_bundle_accessor.swift
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-iphoneos/OKLCHGradient.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/OKLCHGradient.build/Debug-iphoneos/OKLCHGradient.build/OKLCHGradient.modulemap (in target 'OKLCHGradient' from project 'OKLCHGradient')
    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/OKLCHGradient.build/Debug-iphoneos/OKLCHGradient.build/OKLCHGradient.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-iphoneos
ProcessInfoPlistFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/OKLCHGradient_OKLCHGradient.bundle/Info.plist /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/OKLCHGradient.build/Debug-iphoneos/OKLCHGradient_OKLCHGradient.build/empty-OKLCHGradient_OKLCHGradient.plist (in target 'OKLCHGradient_OKLCHGradient' from project 'OKLCHGradient')
    cd /Users/admin/builder/spi-builder-workspace
    builtin-infoPlistUtility /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/OKLCHGradient.build/Debug-iphoneos/OKLCHGradient_OKLCHGradient.build/empty-OKLCHGradient_OKLCHGradient.plist -producttype com.apple.product-type.bundle -expandbuildsettings -format binary -platform iphoneos -requiredArchitecture arm64 -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/OKLCHGradient_OKLCHGradient.bundle/Info.plist
CompileMetalFile /Users/admin/builder/spi-builder-workspace/Sources/OKLCHGradient/OKLCHGradient.metal (in target 'OKLCHGradient_OKLCHGradient' from project 'OKLCHGradient')
    cd /Users/admin/builder/spi-builder-workspace
    /Applications/Xcode-26.0.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/metal -c -target air64-apple-ios15.0 -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/include -F/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -isysroot /Applications/Xcode-26.0.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.0.sdk -fmetal-math-mode\=fast -fmetal-math-fp32-functions\=fast -serialize-diagnostics /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/OKLCHGradient.build/Debug-iphoneos/OKLCHGradient_OKLCHGradient.build/Metal/OKLCHGradient.dia -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/OKLCHGradient.build/Debug-iphoneos/OKLCHGradient_OKLCHGradient.build/Metal/OKLCHGradient.air -MMD -MT dependencies -MF /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/OKLCHGradient.build/Debug-iphoneos/OKLCHGradient_OKLCHGradient.build/Metal/OKLCHGradient.dat /Users/admin/builder/spi-builder-workspace/Sources/OKLCHGradient/OKLCHGradient.metal
/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/OKLCHGradient.build/Debug-iphoneos/OKLCHGradient_OKLCHGradient.build/Metal/OKLCHGradient.dia:1:1: warning: Could not read serialized diagnostics file: error("Failed to open diagnostics file") (in target 'OKLCHGradient_OKLCHGradient' from project 'OKLCHGradient')
error: error: cannot execute tool 'metal' due to missing Metal Toolchain; use: xcodebuild -downloadComponent MetalToolchain
2025-11-28 12:38:27.932 xcodebuild[610:3722] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
	CompileMetalFile /Users/admin/builder/spi-builder-workspace/Sources/OKLCHGradient/OKLCHGradient.metal (in target 'OKLCHGradient_OKLCHGradient' from project 'OKLCHGradient')
	Building workspace spi-builder-workspace with scheme OKLCHGradient
(2 failures)
Command line invocation:
    /Applications/Xcode-26.0.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolved source packages:
  OKLCHGradient: /Users/admin/builder/spi-builder-workspace
resolved source packages: OKLCHGradient
2025-11-28 12:38:29.374 xcodebuild[627:3843] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "OKLCHGradient",
  "name" : "OKLCHGradient",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "15.0"
    },
    {
      "name" : "macos",
      "version" : "12.0"
    },
    {
      "name" : "tvos",
      "version" : "15.0"
    },
    {
      "name" : "visionos",
      "version" : "1.0"
    },
    {
      "name" : "watchos",
      "version" : "6.0"
    }
  ],
  "products" : [
    {
      "name" : "OKLCHGradient",
      "targets" : [
        "OKLCHGradient"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "OKLCHGradient",
      "module_type" : "SwiftTarget",
      "name" : "OKLCHGradient",
      "path" : "Sources/OKLCHGradient",
      "product_memberships" : [
        "OKLCHGradient"
      ],
      "resources" : [
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Sources/OKLCHGradient/OKLCHGradient.metal",
          "rule" : {
            "process" : {
            }
          }
        }
      ],
      "sources" : [
        "OKLCHAngularGradient.swift",
        "OKLCHEllipticalGradient.swift",
        "OKLCHLinearGradient.swift",
        "OKLCHRadialGradient.swift",
        "Utils.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "OKLCHGradient"
    ]
  }
}
2025-11-28 12:38:30.402 xcodebuild[635:3902] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.0.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme OKLCHGradient -destination generic/platform=iOS
Command line invocation:
    /Applications/Xcode-26.0.0.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 OKLCHGradient -destination generic/platform=iOS
Resolve Package Graph
Resolved source packages:
  OKLCHGradient: /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 'OKLCHGradient' in project 'OKLCHGradient'
        ➜ Explicit dependency on target 'OKLCHGradient' in project 'OKLCHGradient'
        ➜ Explicit dependency on target 'OKLCHGradient_OKLCHGradient' in project 'OKLCHGradient'
    Target 'OKLCHGradient' in project 'OKLCHGradient'
        ➜ Explicit dependency on target 'OKLCHGradient_OKLCHGradient' in project 'OKLCHGradient'
    Target 'OKLCHGradient_OKLCHGradient' in project 'OKLCHGradient' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ClangStatCache /Applications/Xcode-26.0.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-26.0.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.0.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos26.0-23A339-031f2ee2c39ede4aa7d3d33a6e255a3e.sdkstatcache
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    /Applications/Xcode-26.0.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-26.0.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.0.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos26.0-23A339-031f2ee2c39ede4aa7d3d33a6e255a3e.sdkstatcache
ProcessInfoPlistFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/OKLCHGradient_OKLCHGradient.bundle/Info.plist /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/OKLCHGradient.build/Debug-iphoneos/OKLCHGradient_OKLCHGradient.build/empty-OKLCHGradient_OKLCHGradient.plist (in target 'OKLCHGradient_OKLCHGradient' from project 'OKLCHGradient')
    cd /Users/admin/builder/spi-builder-workspace
    builtin-infoPlistUtility /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/OKLCHGradient.build/Debug-iphoneos/OKLCHGradient_OKLCHGradient.build/empty-OKLCHGradient_OKLCHGradient.plist -producttype com.apple.product-type.bundle -expandbuildsettings -format binary -platform iphoneos -requiredArchitecture arm64 -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/OKLCHGradient_OKLCHGradient.bundle/Info.plist
CompileMetalFile /Users/admin/builder/spi-builder-workspace/Sources/OKLCHGradient/OKLCHGradient.metal (in target 'OKLCHGradient_OKLCHGradient' from project 'OKLCHGradient')
    cd /Users/admin/builder/spi-builder-workspace
    /Applications/Xcode-26.0.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/metal -c -target air64-apple-ios15.0 -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/include -F/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -isysroot /Applications/Xcode-26.0.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.0.sdk -fmetal-math-mode\=fast -fmetal-math-fp32-functions\=fast -serialize-diagnostics /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/OKLCHGradient.build/Debug-iphoneos/OKLCHGradient_OKLCHGradient.build/Metal/OKLCHGradient.dia -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/OKLCHGradient.build/Debug-iphoneos/OKLCHGradient_OKLCHGradient.build/Metal/OKLCHGradient.air -MMD -MT dependencies -MF /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/OKLCHGradient.build/Debug-iphoneos/OKLCHGradient_OKLCHGradient.build/Metal/OKLCHGradient.dat /Users/admin/builder/spi-builder-workspace/Sources/OKLCHGradient/OKLCHGradient.metal
/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/OKLCHGradient.build/Debug-iphoneos/OKLCHGradient_OKLCHGradient.build/Metal/OKLCHGradient.dia:1:1: warning: Could not read serialized diagnostics file: error("Failed to open diagnostics file") (in target 'OKLCHGradient_OKLCHGradient' from project 'OKLCHGradient')
error: error: cannot execute tool 'metal' due to missing Metal Toolchain; use: xcodebuild -downloadComponent MetalToolchain
2025-11-28 12:38:31.198 xcodebuild[637:3934] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
	CompileMetalFile /Users/admin/builder/spi-builder-workspace/Sources/OKLCHGradient/OKLCHGradient.metal (in target 'OKLCHGradient_OKLCHGradient' from project 'OKLCHGradient')
	Building workspace spi-builder-workspace with scheme OKLCHGradient
(2 failures)
BUILD FAILURE 6.2 iOS