CStack – Build Information – Swift Package Index

Track the adoption of Swift 6 strict concurrency checks for data race safety. How many packages are Ready for Swift 6?

Build Information

Successful build of CStack, reference master (213b69), with Swift 6.1 for visionOS using Xcode 16.3 on 28 Apr 2025 15:47:13 UTC.

Swift 6 data race errors: 0

Build Command

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

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/ml-archive/cstack.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/ml-archive/cstack
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 213b69f Make CStack product
Cloned https://github.com/ml-archive/cstack.git
Revision (git rev-parse @):
213b69f9b9666b3dea954939f54cbe0fc6800c1d
SUCCESS checkout https://github.com/ml-archive/cstack.git at master
========================================
Build
========================================
Selected platform:         visionOS
Swift version:             6.1
Building package at path:  $PWD
https://github.com/ml-archive/cstack.git
https://github.com/ml-archive/cstack.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "CStack",
  "name" : "CStack",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "CStack",
      "targets" : [
        "CStack"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "CStack",
      "module_type" : "SystemLibraryTarget",
      "name" : "CStack",
      "path" : ".",
      "product_memberships" : [
        "CStack"
      ],
      "sources" : [
      ],
      "type" : "system-target"
    }
  ],
  "tools_version" : "4.0"
}
warning: 'spi-builder-workspace': ignoring declared target(s) 'CStack' in the system package
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
ignoring declared target(s) 'CStack' in the system packagefailed to retrieve search paths with pkg-config; maybe pkg-config is not installedyou may be able to install cstack using your system-packager:
    brew install vapor/tap/cstack
Resolved source packages:
  CStack: /Users/admin/builder/spi-builder-workspace
resolved source packages: CStack
{
  "dependencies" : [
  ],
  "manifest_display_name" : "CStack",
  "name" : "CStack",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "CStack",
      "targets" : [
        "CStack"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "CStack",
      "module_type" : "SystemLibraryTarget",
      "name" : "CStack",
      "path" : ".",
      "product_memberships" : [
        "CStack"
      ],
      "sources" : [
      ],
      "type" : "system-target"
    }
  ],
  "tools_version" : "4.0"
}
warning: 'spi-builder-workspace': ignoring declared target(s) 'CStack' in the system package
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "CStack-Package"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme CStack-Package -destination generic/platform=xrOS 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 CStack-Package -destination generic/platform=xrOS "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
ignoring declared target(s) 'CStack' in the system packagefailed to retrieve search paths with pkg-config; maybe pkg-config is not installedyou may be able to install cstack using your system-packager:
    brew install vapor/tap/cstack
Resolved source packages:
  CStack: /Users/admin/builder/spi-builder-workspace
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (2 targets)
    Target 'CStack' in project 'CStack'
        ➜ Explicit dependency on target 'CStack' in project 'CStack'
    Target 'CStack' in project 'CStack' (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/XROS.platform/Developer/SDKs/XROS2.4.sdk -x c -c /dev/null
Build description signature: 2706e8f10d9866a101307ee54f70e8ae
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/2706e8f10d9866a101307ee54f70e8ae.xcbuilddata
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/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/EagerLinkingTBDs/Debug-xros
    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-xros
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/PackageFrameworks
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/PackageFrameworks
** BUILD SUCCEEDED **
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "CStack",
  "name" : "CStack",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "CStack",
      "targets" : [
        "CStack"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "CStack",
      "module_type" : "SystemLibraryTarget",
      "name" : "CStack",
      "path" : ".",
      "product_memberships" : [
        "CStack"
      ],
      "sources" : [
      ],
      "type" : "system-target"
    }
  ],
  "tools_version" : "4.0"
}
warning: 'spi-builder-workspace': ignoring declared target(s) 'CStack' in the system package
Done.