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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 Symbolic with Swift 6.0 for macOS (SPM).

Swift 6 data race errors: 4

Build Command

env DEVELOPER_DIR=/Applications/Xcode-15.3.0.app xcrun --toolchain org.swift.600202405261a swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete

Build Log

========================================
RunAll
========================================
Builder version: 4.40.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/llvm-swift/symbolic.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/llvm-swift/symbolic
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 076fbd3 Merge pull request #1 from segiddins/patch-1
Cloned https://github.com/llvm-swift/symbolic.git
Revision (git rev-parse @):
076fbd317c880af5ee622633c0b1a9386e2e16bc
SUCCESS checkout https://github.com/llvm-swift/symbolic.git at master
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $workDir
https://github.com/llvm-swift/symbolic.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.3.0.app xcrun --toolchain org.swift.600202405261a swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete
Building for debugging...
[0/3] Write sources
[1/3] Compiling GlibcDlfcnShim.c
[2/3] Write swift-version-6F35C1178C84523A.txt
[4/5] Emitting module Symbolic
/Users/admin/builder/spi-builder-workspace/Sources/Symbolic/Symbolic.swift:36:23: warning: static property 'local' is not concurrency-safe because non-'Sendable' type 'SharedObject.LoadFlags' may have shared mutable state; this is an error in the Swift 6 language mode
 28 |   }
 29 |
 30 |   public struct LoadFlags: OptionSet {
    |                 `- note: consider making struct 'LoadFlags' conform to the 'Sendable' protocol
 31 |     public let rawValue: Int32
 32 |
    :
 34 |     /// specified. Symbols defined in this library are not made available to
 35 |     /// resolve references in subsequently loaded libraries.
 36 |     public static let local = LoadFlags(rawValue: RTLD_LOCAL)
    |                       |- warning: static property 'local' is not concurrency-safe because non-'Sendable' type 'SharedObject.LoadFlags' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'local' with '@MainActor' if property should only be accessed from the main actor
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 37 |
 38 |     /// The symbols defined by this library will be made available for symbol
/Users/admin/builder/spi-builder-workspace/Sources/Symbolic/Symbolic.swift:40:23: warning: static property 'global' is not concurrency-safe because non-'Sendable' type 'SharedObject.LoadFlags' may have shared mutable state; this is an error in the Swift 6 language mode
 28 |   }
 29 |
 30 |   public struct LoadFlags: OptionSet {
    |                 `- note: consider making struct 'LoadFlags' conform to the 'Sendable' protocol
 31 |     public let rawValue: Int32
 32 |
    :
 38 |     /// The symbols defined by this library will be made available for symbol
 39 |     /// resolution of subsequently loaded libraries.
 40 |     public static let global = LoadFlags(rawValue: RTLD_GLOBAL)
    |                       |- warning: static property 'global' is not concurrency-safe because non-'Sendable' type 'SharedObject.LoadFlags' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'global' with '@MainActor' if property should only be accessed from the main actor
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 41 |
 42 |     /// Don't load the library. This can be used to test if the library is
/Users/admin/builder/spi-builder-workspace/Sources/Symbolic/Symbolic.swift:48:23: warning: static property 'noLoad' is not concurrency-safe because non-'Sendable' type 'SharedObject.LoadFlags' may have shared mutable state; this is an error in the Swift 6 language mode
 28 |   }
 29 |
 30 |   public struct LoadFlags: OptionSet {
    |                 `- note: consider making struct 'LoadFlags' conform to the 'Sendable' protocol
 31 |     public let rawValue: Int32
 32 |
    :
 46 |     /// was previously loaded with RTLD_LOCAL can be reopened with
 47 |     /// `[.noLoad, .global]`. This flag is not specified in POSIX.1-2001.
 48 |     public static let noLoad = LoadFlags(rawValue: RTLD_NOLOAD)
    |                       |- warning: static property 'noLoad' is not concurrency-safe because non-'Sendable' type 'SharedObject.LoadFlags' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'noLoad' with '@MainActor' if property should only be accessed from the main actor
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 49 |
 50 |     /// Do not unload the library during dlclose(). Consequently, the library's
/Users/admin/builder/spi-builder-workspace/Sources/Symbolic/Symbolic.swift:53:23: warning: static property 'noDelete' is not concurrency-safe because non-'Sendable' type 'SharedObject.LoadFlags' may have shared mutable state; this is an error in the Swift 6 language mode
 28 |   }
 29 |
 30 |   public struct LoadFlags: OptionSet {
    |                 `- note: consider making struct 'LoadFlags' conform to the 'Sendable' protocol
 31 |     public let rawValue: Int32
 32 |
    :
 51 |     /// static variables are not reinitialized if the library is reloaded with
 52 |     /// dlopen() at a later time. This flag is not specified in POSIX.1-2001.
 53 |     public static let noDelete = LoadFlags(rawValue: RTLD_NODELETE)
    |                       |- warning: static property 'noDelete' is not concurrency-safe because non-'Sendable' type 'SharedObject.LoadFlags' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'noDelete' with '@MainActor' if property should only be accessed from the main actor
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 54 |
 55 |     /// Initalizes a set of flags with a given raw integer value.
[5/5] Compiling Symbolic Symbolic.swift
/Users/admin/builder/spi-builder-workspace/Sources/Symbolic/Symbolic.swift:36:23: warning: static property 'local' is not concurrency-safe because non-'Sendable' type 'SharedObject.LoadFlags' may have shared mutable state; this is an error in the Swift 6 language mode
 28 |   }
 29 |
 30 |   public struct LoadFlags: OptionSet {
    |                 `- note: consider making struct 'LoadFlags' conform to the 'Sendable' protocol
 31 |     public let rawValue: Int32
 32 |
    :
 34 |     /// specified. Symbols defined in this library are not made available to
 35 |     /// resolve references in subsequently loaded libraries.
 36 |     public static let local = LoadFlags(rawValue: RTLD_LOCAL)
    |                       |- warning: static property 'local' is not concurrency-safe because non-'Sendable' type 'SharedObject.LoadFlags' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'local' with '@MainActor' if property should only be accessed from the main actor
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 37 |
 38 |     /// The symbols defined by this library will be made available for symbol
/Users/admin/builder/spi-builder-workspace/Sources/Symbolic/Symbolic.swift:40:23: warning: static property 'global' is not concurrency-safe because non-'Sendable' type 'SharedObject.LoadFlags' may have shared mutable state; this is an error in the Swift 6 language mode
 28 |   }
 29 |
 30 |   public struct LoadFlags: OptionSet {
    |                 `- note: consider making struct 'LoadFlags' conform to the 'Sendable' protocol
 31 |     public let rawValue: Int32
 32 |
    :
 38 |     /// The symbols defined by this library will be made available for symbol
 39 |     /// resolution of subsequently loaded libraries.
 40 |     public static let global = LoadFlags(rawValue: RTLD_GLOBAL)
    |                       |- warning: static property 'global' is not concurrency-safe because non-'Sendable' type 'SharedObject.LoadFlags' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'global' with '@MainActor' if property should only be accessed from the main actor
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 41 |
 42 |     /// Don't load the library. This can be used to test if the library is
/Users/admin/builder/spi-builder-workspace/Sources/Symbolic/Symbolic.swift:48:23: warning: static property 'noLoad' is not concurrency-safe because non-'Sendable' type 'SharedObject.LoadFlags' may have shared mutable state; this is an error in the Swift 6 language mode
 28 |   }
 29 |
 30 |   public struct LoadFlags: OptionSet {
    |                 `- note: consider making struct 'LoadFlags' conform to the 'Sendable' protocol
 31 |     public let rawValue: Int32
 32 |
    :
 46 |     /// was previously loaded with RTLD_LOCAL can be reopened with
 47 |     /// `[.noLoad, .global]`. This flag is not specified in POSIX.1-2001.
 48 |     public static let noLoad = LoadFlags(rawValue: RTLD_NOLOAD)
    |                       |- warning: static property 'noLoad' is not concurrency-safe because non-'Sendable' type 'SharedObject.LoadFlags' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'noLoad' with '@MainActor' if property should only be accessed from the main actor
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 49 |
 50 |     /// Do not unload the library during dlclose(). Consequently, the library's
/Users/admin/builder/spi-builder-workspace/Sources/Symbolic/Symbolic.swift:53:23: warning: static property 'noDelete' is not concurrency-safe because non-'Sendable' type 'SharedObject.LoadFlags' may have shared mutable state; this is an error in the Swift 6 language mode
 28 |   }
 29 |
 30 |   public struct LoadFlags: OptionSet {
    |                 `- note: consider making struct 'LoadFlags' conform to the 'Sendable' protocol
 31 |     public let rawValue: Int32
 32 |
    :
 51 |     /// static variables are not reinitialized if the library is reloaded with
 52 |     /// dlopen() at a later time. This flag is not specified in POSIX.1-2001.
 53 |     public static let noDelete = LoadFlags(rawValue: RTLD_NODELETE)
    |                       |- warning: static property 'noDelete' is not concurrency-safe because non-'Sendable' type 'SharedObject.LoadFlags' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'noDelete' with '@MainActor' if property should only be accessed from the main actor
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 54 |
 55 |     /// Initalizes a set of flags with a given raw integer value.
Build complete! (15.84s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Symbolic",
  "name" : "Symbolic",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Symbolic",
      "targets" : [
        "Symbolic"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SymbolicTests",
      "module_type" : "SwiftTarget",
      "name" : "SymbolicTests",
      "path" : "Tests/SymbolicTests",
      "sources" : [
        "SymbolicTests.swift"
      ],
      "target_dependencies" : [
        "Symbolic"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Symbolic",
      "module_type" : "SwiftTarget",
      "name" : "Symbolic",
      "path" : "Sources/Symbolic",
      "product_memberships" : [
        "Symbolic"
      ],
      "sources" : [
        "Symbolic.swift"
      ],
      "target_dependencies" : [
        "GlibcDlfcnShim"
      ],
      "type" : "library"
    },
    {
      "c99name" : "GlibcDlfcnShim",
      "module_type" : "ClangTarget",
      "name" : "GlibcDlfcnShim",
      "path" : "Sources/GlibcDlfcnShim",
      "product_memberships" : [
        "Symbolic"
      ],
      "sources" : [
        "src/GlibcDlfcnShim.c"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.0"
}
Done.
This is a staging environment. For live and up-to-date package information, visit swiftpackageindex.com.