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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 SGLImage 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

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RunAll
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Builder version: 4.40.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/SwiftGL/Image.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/SwiftGL/Image
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 7aa96e7 Renamed podspec.
Cloned https://github.com/SwiftGL/Image.git
Revision (git rev-parse @):
7aa96e7548baa8d06619b97a1906012193f6eff8
SUCCESS checkout https://github.com/SwiftGL/Image.git at master
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $workDir
https://github.com/SwiftGL/Image.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...
[0/2] Write sources
[1/2] Write swift-version-6F35C1178C84523A.txt
[3/9] Compiling SGLImage Inflate.swift
[4/9] Compiling SGLImage ImageLoader.swift
/Users/admin/builder/spi-builder-workspace/Sources/SGLImage/ImageLoader.swift:50:23: warning: static property 'decoders' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
 48 |     // Default list of decoders. API user may change this.
 49 |     // Put imprecise and sloppy detections at the end.
 50 |     public static var decoders:[SGLImageDecoder.Type] = [
    |                       |- warning: static property 'decoders' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'decoders' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: annotate 'decoders' 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
 51 |         SGLImageDecoderPNG.self,
 52 |         SGLImageDecoderBMP.self,
/Users/admin/builder/spi-builder-workspace/Sources/SGLImage/ImageLoader.swift:57:23: warning: static property 'gamma' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
 55 |
 56 |     // Gamma for Float conversion. Float is linear color space.
 57 |     public static var gamma:Float = 2.2
    |                       |- warning: static property 'gamma' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'gamma' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: annotate 'gamma' 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
 58 |     public var gamma:Float {
 59 |         get { return fGamma }
/Users/admin/builder/spi-builder-workspace/Sources/SGLImage/ImageLoader.swift:66:23: warning: static property 'scale' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
 64 |
 65 |     // Scale for Floats. Default is 0.0...1.0
 66 |     public static var scale:Float = 1.0
    |                       |- warning: static property 'scale' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'scale' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: annotate 'scale' 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
 67 |     public var scale:Float {
 68 |         get { return fScale }
/Users/admin/builder/spi-builder-workspace/Sources/SGLImage/ImageLoader.swift:75:23: warning: static property 'flipVertical' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
 73 |
 74 |     // Set true to load images with 0,0 origin as bottom left.
 75 |     public static var flipVertical = false
    |                       |- warning: static property 'flipVertical' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'flipVertical' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: annotate 'flipVertical' 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
 76 |     public var flipVertical:Bool = SGLImageLoader.flipVertical
 77 |
[5/9] Compiling SGLImage ImageBMP.swift
[6/9] Compiling SGLImage ImageGIF.swift
[7/9] Compiling SGLImage Image.swift
/Users/admin/builder/spi-builder-workspace/Sources/SGLImage/Image.swift:119:29: warning: 'deallocate(capacity:)' is deprecated: Swift currently only supports freeing entire heap blocks, use deallocate() instead
117 |
118 |     deinit {
119 |         buffer.baseAddress!.deallocate(capacity: buffer.count)
    |                             `- warning: 'deallocate(capacity:)' is deprecated: Swift currently only supports freeing entire heap blocks, use deallocate() instead
120 |     }
121 |
[8/9] Compiling SGLImage ImagePNG.swift
[9/9] Emitting module SGLImage
/Users/admin/builder/spi-builder-workspace/Sources/SGLImage/ImageLoader.swift:50:23: warning: static property 'decoders' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
 48 |     // Default list of decoders. API user may change this.
 49 |     // Put imprecise and sloppy detections at the end.
 50 |     public static var decoders:[SGLImageDecoder.Type] = [
    |                       |- warning: static property 'decoders' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'decoders' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: annotate 'decoders' 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
 51 |         SGLImageDecoderPNG.self,
 52 |         SGLImageDecoderBMP.self,
/Users/admin/builder/spi-builder-workspace/Sources/SGLImage/ImageLoader.swift:57:23: warning: static property 'gamma' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
 55 |
 56 |     // Gamma for Float conversion. Float is linear color space.
 57 |     public static var gamma:Float = 2.2
    |                       |- warning: static property 'gamma' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'gamma' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: annotate 'gamma' 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
 58 |     public var gamma:Float {
 59 |         get { return fGamma }
/Users/admin/builder/spi-builder-workspace/Sources/SGLImage/ImageLoader.swift:66:23: warning: static property 'scale' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
 64 |
 65 |     // Scale for Floats. Default is 0.0...1.0
 66 |     public static var scale:Float = 1.0
    |                       |- warning: static property 'scale' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'scale' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: annotate 'scale' 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
 67 |     public var scale:Float {
 68 |         get { return fScale }
/Users/admin/builder/spi-builder-workspace/Sources/SGLImage/ImageLoader.swift:75:23: warning: static property 'flipVertical' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
 73 |
 74 |     // Set true to load images with 0,0 origin as bottom left.
 75 |     public static var flipVertical = false
    |                       |- warning: static property 'flipVertical' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'flipVertical' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: annotate 'flipVertical' 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
 76 |     public var flipVertical:Bool = SGLImageLoader.flipVertical
 77 |
Build complete! (17.05s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "SGLImage",
  "name" : "SGLImage",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "SGLImage",
      "targets" : [
        "SGLImage"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SGLImageTests",
      "module_type" : "SwiftTarget",
      "name" : "SGLImageTests",
      "path" : "Tests/SGLImageTests",
      "sources" : [
        "SwiftGLresImage.swift"
      ],
      "target_dependencies" : [
        "SGLImage"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SGLImage",
      "module_type" : "SwiftTarget",
      "name" : "SGLImage",
      "path" : "Sources/SGLImage",
      "product_memberships" : [
        "SGLImage"
      ],
      "sources" : [
        "Image.swift",
        "ImageBMP.swift",
        "ImageGIF.swift",
        "ImageLoader.swift",
        "ImagePNG.swift",
        "Inflate.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.0"
}
Done.
This is a staging environment. For live and up-to-date package information, visit swiftpackageindex.com.