Swift Package IndexBuild Information
Successful build of Float16, reference 1.1.1 (936ae6), with Swift 6.3 for macOS (SPM) on 12 Apr 2026 18:36:20 UTC.
Swift 6 data race errors: 0
Build Command
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64Build Log
========================================
RunAll
========================================
Builder version: 4.70.0
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
Fetching https://github.com/apple/swift-numerics
[1/6416] Fetching swift-numerics
Fetched https://github.com/apple/swift-numerics from cache (1.05s)
Computing version for https://github.com/apple/swift-numerics
Computed https://github.com/apple/swift-numerics at 1.1.1 (1.59s)
Creating working copy for https://github.com/apple/swift-numerics
Working copy of https://github.com/apple/swift-numerics resolved at 1.1.1
========================================
ResolveProductDependencies
========================================
Resolving dependencies ...
{
"identity": ".resolve-product-dependencies",
"name": "resolve-dependencies",
"url": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
"version": "unspecified",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
"traits": [
"default"
],
"dependencies": [
{
"identity": "float16",
"name": "Float16",
"url": "https://github.com/SusanDoggie/Float16.git",
"version": "unspecified",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Float16",
"traits": [
"default"
],
"dependencies": [
{
"identity": "swift-numerics",
"name": "swift-numerics",
"url": "https://github.com/apple/swift-numerics",
"version": "1.1.1",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-numerics",
"traits": [
"default"
],
"dependencies": [
]
}
]
}
]
}
Fetching https://github.com/SusanDoggie/Float16.git
[1/310] Fetching float16
Fetched https://github.com/SusanDoggie/Float16.git from cache (0.67s)
Fetching https://github.com/apple/swift-numerics from cache
Fetched https://github.com/apple/swift-numerics from cache (0.42s)
Computing version for https://github.com/apple/swift-numerics
Computed https://github.com/apple/swift-numerics at 1.1.1 (0.48s)
Creating working copy for https://github.com/apple/swift-numerics
Working copy of https://github.com/apple/swift-numerics resolved at 1.1.1
Creating working copy for https://github.com/SusanDoggie/Float16.git
Working copy of https://github.com/SusanDoggie/Float16.git resolved at 1.1.1 (936ae66)
warning: '.resolve-product-dependencies': dependency 'float16' is not used by any target
Found 1 product dependencies
- swift-numerics
========================================
Build
========================================
Selected platform: macosSpm
Swift version: 6.3
Building package at path: $PWD
https://github.com/SusanDoggie/Float16.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64
Building for debugging...
[0/5] Write sources
[2/5] Compiling _NumericsShims _NumericsShims.c
[3/5] Compiling CFloat16 float16.c
[4/5] Write swift-version--6988338F2F200930.txt
[6/16] Compiling RealModule RealFunctions.swift
[7/16] Compiling RealModule Real.swift
[8/17] Compiling RealModule Float80+Real.swift
[9/17] Compiling RealModule Float16+Real.swift
[10/17] Compiling RealModule Float+Real.swift
[11/17] Compiling RealModule ElementaryFunctions.swift
[12/17] Emitting module RealModule
[13/17] Compiling RealModule AugmentedArithmetic.swift
[14/17] Compiling RealModule AlgebraicField.swift
[15/17] Compiling RealModule ApproximateEquality.swift
[16/17] Compiling RealModule Double+Real.swift
[17/17] Compiling RealModule RelaxedArithmetic.swift
[18/21] Compiling Float16 Concurrency.swift
/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 | }
[19/21] Compiling Float16 Real.swift
/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
[20/21] Compiling Float16 float16.swift
/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
[21/21] Emitting module Float16
/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
Build complete! (2.45s)
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.