Swift Package Index

Build Information

Failed to build OptionParser, reference master (88ff01), with Swift 6.4 for macOS (Xcode) using Xcode 27.0 on 17 Sep 2026 22:46:45 UTC.

Build Command

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

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/attaswift/OptionParser.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/attaswift/OptionParser
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 88ff016 Update README.md
Cloned https://github.com/attaswift/OptionParser.git
Revision (git rev-parse @):
88ff016a4c7656eb3879c790383af713ec2bf6c9
SUCCESS checkout https://github.com/attaswift/OptionParser.git at master
========================================
Build
========================================
Selected platform:         macosXcodebuild
Swift version:             6.4
Building package at path:  $PWD
https://github.com/attaswift/OptionParser.git
Command line invocation:
    /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
resolved source packages:
{
  "dependencies" : [
  ],
  "manifest_display_name" : "OptionParser",
  "name" : "OptionParser",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "OptionParser",
      "targets" : [
        "OptionParser"
      ],
      "type" : {
        "library" : [
          "static"
        ]
      }
    }
  ],
  "swift_languages_versions" : [
    "4"
  ],
  "targets" : [
    {
      "c99name" : "OptionParserTests",
      "module_type" : "SwiftTarget",
      "name" : "OptionParserTests",
      "path" : "OptionParserTests",
      "sources" : [
        "OptionParserTests.swift"
      ],
      "target_dependencies" : [
        "OptionParser"
      ],
      "type" : "test"
    },
    {
      "c99name" : "OptionParser",
      "module_type" : "SwiftTarget",
      "name" : "OptionParser",
      "path" : "OptionParser",
      "product_memberships" : [
        "OptionParser"
      ],
      "sources" : [
        "Argument.swift",
        "Command.swift",
        "Help.swift",
        "Option.swift",
        "OptionParser.swift",
        "OptionValue.swift",
        "Parameter.swift",
        "ParseContext.swift",
        "Syntax.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.0"
}
{
  "project" : {
    "configurations" : [
      "Debug",
      "Release"
    ],
    "name" : "OptionParser",
    "schemes" : [
      "OptionParser"
    ],
    "targets" : [
      "OptionParser",
      "OptionParserTests"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme OptionParser -destination platform=macOS,arch=arm64
Command line invocation:
    /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath /Users/admin/builder/spi-builder-workspace/.derivedData build -scheme OptionParser -destination platform=macOS,arch=arm64
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (1 target)
    Target 'OptionParser' in project 'OptionParser' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: e1ed1be445efbfc1bc2f88e5a1fed035
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/e1ed1be445efbfc1bc2f88e5a1fed035.xcbuilddata
/Users/admin/builder/spi-builder-workspace/OptionParser.xcodeproj: error: The macOS deployment target 'MACOSX_DEPLOYMENT_TARGET' is set to 10.12, but the range of supported deployment target versions is 12.0 to 27.0.x. (in target 'OptionParser' from project 'OptionParser')
** BUILD FAILED **
The following build commands failed:
	Building project OptionParser with scheme OptionParser
(1 failure)
Command line invocation:
    /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
resolved source packages:
{
  "dependencies" : [
  ],
  "manifest_display_name" : "OptionParser",
  "name" : "OptionParser",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "OptionParser",
      "targets" : [
        "OptionParser"
      ],
      "type" : {
        "library" : [
          "static"
        ]
      }
    }
  ],
  "swift_languages_versions" : [
    "4"
  ],
  "targets" : [
    {
      "c99name" : "OptionParserTests",
      "module_type" : "SwiftTarget",
      "name" : "OptionParserTests",
      "path" : "OptionParserTests",
      "sources" : [
        "OptionParserTests.swift"
      ],
      "target_dependencies" : [
        "OptionParser"
      ],
      "type" : "test"
    },
    {
      "c99name" : "OptionParser",
      "module_type" : "SwiftTarget",
      "name" : "OptionParser",
      "path" : "OptionParser",
      "product_memberships" : [
        "OptionParser"
      ],
      "sources" : [
        "Argument.swift",
        "Command.swift",
        "Help.swift",
        "Option.swift",
        "OptionParser.swift",
        "OptionValue.swift",
        "Parameter.swift",
        "ParseContext.swift",
        "Syntax.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.0"
}
{
  "project" : {
    "configurations" : [
      "Debug",
      "Release"
    ],
    "name" : "OptionParser",
    "schemes" : [
      "OptionParser"
    ],
    "targets" : [
      "OptionParser",
      "OptionParserTests"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme OptionParser -destination platform=macOS,arch=arm64
Command line invocation:
    /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath /Users/admin/builder/spi-builder-workspace/.derivedData build -scheme OptionParser -destination platform=macOS,arch=arm64
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (1 target)
    Target 'OptionParser' in project 'OptionParser' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
/Users/admin/builder/spi-builder-workspace/OptionParser.xcodeproj: error: The macOS deployment target 'MACOSX_DEPLOYMENT_TARGET' is set to 10.12, but the range of supported deployment target versions is 12.0 to 27.0.x. (in target 'OptionParser' from project 'OptionParser')
** BUILD FAILED **
The following build commands failed:
	Building project OptionParser with scheme OptionParser
(1 failure)
BUILD FAILURE 6.4 macosXcodebuild