Swift Package Index

Build Information

Failed to build mogif, reference master (4c6b86), with Swift 6.3 for tvOS using Xcode 26.4 on 11 Apr 2026 09:13:36 UTC.

Build Command

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

Build Log

========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/mnkd/mogif.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/mnkd/mogif
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 4c6b864 Merge pull request #2 from mnkd/xcode9_swift4
Cloned https://github.com/mnkd/mogif.git
Revision (git rev-parse @):
4c6b864c4a7db2e38867bd2ab14f74f0c4b57507
SUCCESS checkout https://github.com/mnkd/mogif.git at master
========================================
Build
========================================
Selected platform:         tvOS
Swift version:             6.3
Building package at path:  $PWD
https://github.com/mnkd/mogif.git
Command line invocation:
    /Applications/Xcode-26.4.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
resolved source packages:
{
  "dependencies" : [
    {
      "identity" : "commandline",
      "requirement" : {
        "branch" : [
          "swift4"
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/pdesantis/CommandLine"
    }
  ],
  "manifest_display_name" : "mogif",
  "name" : "mogif",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "mogif",
      "targets" : [
        "mogif"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "swift_languages_versions" : [
    "4"
  ],
  "targets" : [
    {
      "c99name" : "mogif",
      "module_type" : "SwiftTarget",
      "name" : "mogif",
      "path" : "Sources",
      "product_dependencies" : [
        "CommandLine"
      ],
      "product_memberships" : [
        "mogif"
      ],
      "sources" : [
        "CharacterImage.swift",
        "GIFGenerator.swift",
        "Generator.swift",
        "GeneratorSettings.swift",
        "main.swift"
      ],
      "type" : "executable"
    }
  ],
  "tools_version" : "4.0"
}
{
  "project" : {
    "configurations" : [
      "Debug",
      "Release"
    ],
    "name" : "mogif",
    "schemes" : [
      "CommandLine",
      "CommandLinePackageDescription",
      "mogif",
      "mogif-Package",
      "mogifPackageDescription"
    ],
    "targets" : [
      "mogifPackageDescription",
      "CommandLinePackageDescription",
      "mogif",
      "CommandLineKit",
      "CommandLine"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme mogif-Package -destination generic/platform=tvOS
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 mogif-Package -destination generic/platform=tvOS
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (2 targets)
    Target 'mogif' in project 'mogif'
        ➜ Explicit dependency on target 'CommandLineKit' in project 'mogif'
    Target 'CommandLineKit' in project 'mogif' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
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/clang -v -E -dM -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS26.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: fb61d653d85732779624bfe9c2f7be7b
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/fb61d653d85732779624bfe9c2f7be7b.xcbuilddata
/Users/admin/builder/spi-builder-workspace/mogif.xcodeproj: error: Signing for "mogif" requires a development team. Select a development team in the Signing & Capabilities editor. (in target 'mogif' from project 'mogif')
error: SWIFT_VERSION '3.0' is unsupported, supported versions are: 4.0, 4.2, 5.0, 6.0. (in target 'CommandLineKit' from project 'mogif')
** BUILD FAILED **
The following build commands failed:
	Building project mogif with scheme mogif-Package
(1 failure)
Command line invocation:
    /Applications/Xcode-26.4.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
resolved source packages:
{
  "dependencies" : [
    {
      "identity" : "commandline",
      "requirement" : {
        "branch" : [
          "swift4"
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/pdesantis/CommandLine"
    }
  ],
  "manifest_display_name" : "mogif",
  "name" : "mogif",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "mogif",
      "targets" : [
        "mogif"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "swift_languages_versions" : [
    "4"
  ],
  "targets" : [
    {
      "c99name" : "mogif",
      "module_type" : "SwiftTarget",
      "name" : "mogif",
      "path" : "Sources",
      "product_dependencies" : [
        "CommandLine"
      ],
      "product_memberships" : [
        "mogif"
      ],
      "sources" : [
        "CharacterImage.swift",
        "GIFGenerator.swift",
        "Generator.swift",
        "GeneratorSettings.swift",
        "main.swift"
      ],
      "type" : "executable"
    }
  ],
  "tools_version" : "4.0"
}
{
  "project" : {
    "configurations" : [
      "Debug",
      "Release"
    ],
    "name" : "mogif",
    "schemes" : [
      "CommandLine",
      "CommandLinePackageDescription",
      "mogif",
      "mogif-Package",
      "mogifPackageDescription"
    ],
    "targets" : [
      "mogifPackageDescription",
      "CommandLinePackageDescription",
      "mogif",
      "CommandLineKit",
      "CommandLine"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme mogif-Package -destination generic/platform=tvOS
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 mogif-Package -destination generic/platform=tvOS
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (2 targets)
    Target 'mogif' in project 'mogif'
        ➜ Explicit dependency on target 'CommandLineKit' in project 'mogif'
    Target 'CommandLineKit' in project 'mogif' (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/AppleTVOS.platform/Developer/SDKs/AppleTVOS26.4.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: fb61d653d85732779624bfe9c2f7be7b
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/fb61d653d85732779624bfe9c2f7be7b.xcbuilddata
error: SWIFT_VERSION '3.0' is unsupported, supported versions are: 4.0, 4.2, 5.0, 6.0. (in target 'CommandLineKit' from project 'mogif')
/Users/admin/builder/spi-builder-workspace/mogif.xcodeproj: error: Signing for "mogif" requires a development team. Select a development team in the Signing & Capabilities editor. (in target 'mogif' from project 'mogif')
** BUILD FAILED **
The following build commands failed:
	Building project mogif with scheme mogif-Package
(1 failure)
BUILD FAILURE 6.3 tvOS