Swift Package Index

Build Information

Successful build of Float16, reference 1.1.1 (936ae6), with Swift 6.4 for macOS (SPM) on 18 Sep 2026 02:52:09 UTC.

Swift 6 data race errors: 0

Build Command

env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/SusanDoggie/Float16.git
Reference: 1.1.1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/SusanDoggie/Float16
 * tag               1.1.1      -> FETCH_HEAD
HEAD is now at 936ae66 Create Concurrency.swift
Cloned https://github.com/SusanDoggie/Float16.git
Revision (git rev-parse @):
936ae66adccf1c91bcaeeb9c0cddde78a13695c3
SUCCESS checkout https://github.com/SusanDoggie/Float16.git at 1.1.1
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/SusanDoggie/Float16.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
[Pre-planning 1 / 156]
[Planning deferred tasks]
[31 / 54]
[35 / 55] CFloat16
[45 / 74] CFloat16
[57 / 74] RealModule
[58 / 74] RealModule
[64 / 75] Float16
[71 / 85] RealModule
[76 / 85] Float16
[84 / 85] Float16
Build complete! (4.59 sec)
Fetching https://github.com/apple/swift-numerics
[1/6636] Fetching swift-numerics
Fetched https://github.com/apple/swift-numerics (1.32s)
Computing version for https://github.com/apple/swift-numerics
Computed https://github.com/apple/swift-numerics at 1.1.1 (1.92s)
Creating working copy for https://github.com/apple/swift-numerics
Working copy of https://github.com/apple/swift-numerics resolved at 1.1.1
/Users/admin/builder/spi-builder-workspace/Sources/Float16/Concurrency.swift:29:1: warning: extension declares a conformance of imported type 'float16' to imported protocol 'Sendable'; this will not behave correctly if the owners of 'CFloat16' introduce this conformance in the future
27 |
28 | @available(macOS 10.15, iOS 13, tvOS 13, watchOS 6, *)
29 | extension float16: @unchecked Sendable {
   | |- warning: extension declares a conformance of imported type 'float16' to imported protocol 'Sendable'; this will not behave correctly if the owners of 'CFloat16' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
30 |
31 | }
/Users/admin/builder/spi-builder-workspace/Sources/Float16/Real.swift:28:1: warning: extension declares a conformance of imported type 'float16' to imported protocols 'Real', 'FloatingPoint', 'RealFunctions', 'AlgebraicField', 'SignedNumeric', 'Strideable', 'ElementaryFunctions', 'Numeric', 'Comparable', 'AdditiveArithmetic', 'ExpressibleByIntegerLiteral'; this will not behave correctly if the owners of 'CFloat16' introduce this conformance in the future
 26 | import RealModule
 27 |
 28 | extension float16: Real {
    | |- warning: extension declares a conformance of imported type 'float16' to imported protocols 'Real', 'FloatingPoint', 'RealFunctions', 'AlgebraicField', 'SignedNumeric', 'Strideable', 'ElementaryFunctions', 'Numeric', 'Comparable', 'AdditiveArithmetic', 'ExpressibleByIntegerLiteral'; this will not behave correctly if the owners of 'CFloat16' introduce this conformance in the future
    | `- note: add '@retroactive' to silence this warning
 29 |
 30 |     @_transparent
/Users/admin/builder/spi-builder-workspace/Sources/Float16/Concurrency.swift:29:1: warning: extension declares a conformance of imported type 'float16' to imported protocol 'Sendable'; this will not behave correctly if the owners of 'CFloat16' introduce this conformance in the future
27 |
28 | @available(macOS 10.15, iOS 13, tvOS 13, watchOS 6, *)
29 | extension float16: @unchecked Sendable {
   | |- warning: extension declares a conformance of imported type 'float16' to imported protocol 'Sendable'; this will not behave correctly if the owners of 'CFloat16' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
30 |
31 | }
/Users/admin/builder/spi-builder-workspace/Sources/Float16/Real.swift:28:1: warning: extension declares a conformance of imported type 'float16' to imported protocols 'Real', 'FloatingPoint', 'RealFunctions', 'AlgebraicField', 'SignedNumeric', 'Strideable', 'ElementaryFunctions', 'Numeric', 'Comparable', 'AdditiveArithmetic', 'ExpressibleByIntegerLiteral'; this will not behave correctly if the owners of 'CFloat16' introduce this conformance in the future
 26 | import RealModule
 27 |
 28 | extension float16: Real {
    | |- warning: extension declares a conformance of imported type 'float16' to imported protocols 'Real', 'FloatingPoint', 'RealFunctions', 'AlgebraicField', 'SignedNumeric', 'Strideable', 'ElementaryFunctions', 'Numeric', 'Comparable', 'AdditiveArithmetic', 'ExpressibleByIntegerLiteral'; this will not behave correctly if the owners of 'CFloat16' introduce this conformance in the future
    | `- note: add '@retroactive' to silence this warning
 29 |
 30 |     @_transparent
/Users/admin/builder/spi-builder-workspace/Sources/Float16/float16.swift:221:1: warning: extension declares a conformance of imported type 'float16' to imported protocol 'CustomStringConvertible'; this will not behave correctly if the owners of 'CFloat16' introduce this conformance in the future
 219 | }
 220 |
 221 | extension float16: CustomStringConvertible {
     | |- warning: extension declares a conformance of imported type 'float16' to imported protocol 'CustomStringConvertible'; this will not behave correctly if the owners of 'CFloat16' introduce this conformance in the future
     | `- note: add '@retroactive' to silence this warning
 222 |
 223 |     @_transparent
/Users/admin/builder/spi-builder-workspace/Sources/Float16/float16.swift:467:1: warning: extension declares a conformance of imported type 'float16' to imported protocols 'BinaryFloatingPoint', 'ExpressibleByFloatLiteral'; this will not behave correctly if the owners of 'CFloat16' introduce this conformance in the future
 465 | }
 466 |
 467 | extension float16: BinaryFloatingPoint {
     | |- warning: extension declares a conformance of imported type 'float16' to imported protocols 'BinaryFloatingPoint', 'ExpressibleByFloatLiteral'; this will not behave correctly if the owners of 'CFloat16' introduce this conformance in the future
     | `- note: add '@retroactive' to silence this warning
 468 |
 469 |     public typealias RawExponent = UInt
/Users/admin/builder/spi-builder-workspace/Sources/Float16/float16.swift:1139:1: warning: extension declares a conformance of imported type 'float16' to imported protocols 'Hashable', 'Equatable'; this will not behave correctly if the owners of 'CFloat16' introduce this conformance in the future
1137 | }
1138 |
1139 | extension float16: Hashable {
     | |- warning: extension declares a conformance of imported type 'float16' to imported protocols 'Hashable', 'Equatable'; this will not behave correctly if the owners of 'CFloat16' introduce this conformance in the future
     | `- note: add '@retroactive' to silence this warning
1140 |
1141 |     @inlinable
/Users/admin/builder/spi-builder-workspace/Sources/Float16/float16.swift:221:1: warning: extension declares a conformance of imported type 'float16' to imported protocol 'CustomStringConvertible'; this will not behave correctly if the owners of 'CFloat16' introduce this conformance in the future
 219 | }
 220 |
 221 | extension float16: CustomStringConvertible {
     | |- warning: extension declares a conformance of imported type 'float16' to imported protocol 'CustomStringConvertible'; this will not behave correctly if the owners of 'CFloat16' introduce this conformance in the future
     | `- note: add '@retroactive' to silence this warning
 222 |
 223 |     @_transparent
/Users/admin/builder/spi-builder-workspace/Sources/Float16/float16.swift:467:1: warning: extension declares a conformance of imported type 'float16' to imported protocols 'BinaryFloatingPoint', 'ExpressibleByFloatLiteral'; this will not behave correctly if the owners of 'CFloat16' introduce this conformance in the future
 465 | }
 466 |
 467 | extension float16: BinaryFloatingPoint {
     | |- warning: extension declares a conformance of imported type 'float16' to imported protocols 'BinaryFloatingPoint', 'ExpressibleByFloatLiteral'; this will not behave correctly if the owners of 'CFloat16' introduce this conformance in the future
     | `- note: add '@retroactive' to silence this warning
 468 |
 469 |     public typealias RawExponent = UInt
/Users/admin/builder/spi-builder-workspace/Sources/Float16/float16.swift:1139:1: warning: extension declares a conformance of imported type 'float16' to imported protocols 'Hashable', 'Equatable'; this will not behave correctly if the owners of 'CFloat16' introduce this conformance in the future
1137 | }
1138 |
1139 | extension float16: Hashable {
     | |- warning: extension declares a conformance of imported type 'float16' to imported protocols 'Hashable', 'Equatable'; this will not behave correctly if the owners of 'CFloat16' introduce this conformance in the future
     | `- note: add '@retroactive' to silence this warning
1140 |
1141 |     @inlinable
Build complete.
{
  "dependencies" : [
    {
      "identity" : "swift-numerics",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-numerics"
    }
  ],
  "manifest_display_name" : "Float16",
  "name" : "Float16",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Float16",
      "targets" : [
        "Float16"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "Float16Tests",
      "module_type" : "SwiftTarget",
      "name" : "Float16Tests",
      "path" : "Tests/Float16Tests",
      "sources" : [
        "Float16Test.swift"
      ],
      "target_dependencies" : [
        "Float16"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Float16",
      "module_type" : "SwiftTarget",
      "name" : "Float16",
      "path" : "Sources/Float16",
      "product_dependencies" : [
        "RealModule"
      ],
      "product_memberships" : [
        "Float16"
      ],
      "sources" : [
        "Concurrency.swift",
        "Real.swift",
        "float16.swift"
      ],
      "target_dependencies" : [
        "CFloat16"
      ],
      "type" : "library"
    },
    {
      "c99name" : "CFloat16",
      "module_type" : "ClangTarget",
      "name" : "CFloat16",
      "path" : "Sources/CFloat16",
      "product_memberships" : [
        "Float16"
      ],
      "sources" : [
        "float16.c"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.1"
}
Done.