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Build Information

Failed to build sXPC, reference main (6d743b), with Swift 6.3 for macOS (SPM) on 14 Apr 2026 06:25:06 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/Alkenso/sXPC.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/Alkenso/sXPC
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 6d743ba Update README.md
Cloned https://github.com/Alkenso/sXPC.git
Revision (git rev-parse @):
6d743ba952197e02468f2a3a51bf13be27ddbdee
SUCCESS checkout https://github.com/Alkenso/sXPC.git at main
Fetching https://github.com/Alkenso/SwiftSpellbook.git
[1/3903] Fetching swiftspellbook
Fetched https://github.com/Alkenso/SwiftSpellbook.git from cache (0.99s)
Computing version for https://github.com/Alkenso/SwiftSpellbook.git
Computed https://github.com/Alkenso/SwiftSpellbook.git at 0.4.2 (1.67s)
Creating working copy for https://github.com/Alkenso/SwiftSpellbook.git
Working copy of https://github.com/Alkenso/SwiftSpellbook.git resolved at 0.4.2
========================================
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": "sxpc",
      "name": "sXPC",
      "url": "https://github.com/Alkenso/sXPC.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/sXPC",
      "traits": [
        "default"
      ],
      "dependencies": [
        {
          "identity": "swiftspellbook",
          "name": "SwiftSpellbook",
          "url": "https://github.com/Alkenso/SwiftSpellbook.git",
          "version": "0.4.2",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/SwiftSpellbook",
          "traits": [
            "default"
          ],
          "dependencies": [
          ]
        }
      ]
    }
  ]
}
Fetching https://github.com/Alkenso/sXPC.git
[1/509] Fetching sxpc
Fetched https://github.com/Alkenso/sXPC.git from cache (0.76s)
Fetching https://github.com/Alkenso/SwiftSpellbook.git from cache
Fetched https://github.com/Alkenso/SwiftSpellbook.git from cache (0.43s)
Computing version for https://github.com/Alkenso/SwiftSpellbook.git
Computed https://github.com/Alkenso/SwiftSpellbook.git at 0.4.2 (0.49s)
Creating working copy for https://github.com/Alkenso/SwiftSpellbook.git
Working copy of https://github.com/Alkenso/SwiftSpellbook.git resolved at 0.4.2
Creating working copy for https://github.com/Alkenso/sXPC.git
Working copy of https://github.com/Alkenso/sXPC.git resolved at main (6d743ba)
warning: '.resolve-product-dependencies': dependency 'sxpc' is not used by any target
Found 1 product dependencies
  - SwiftSpellbook
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.3
Building package at path:  $PWD
https://github.com/Alkenso/sXPC.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64
Building for debugging...
[0/4] Write sources
[2/4] Write swift-version--6988338F2F200930.txt
[3/4] Compiling SpellbookFoundationObjC SpellbookObjC.mm
[5/59] Emitting module SpellbookFoundation
[6/65] Compiling SpellbookFoundation Types.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/ValueObserving/EventAsk.swift:65:28: error: cannot find 'atomic_flag' in scope
 63 |             group.enter()
 64 |             entry.queue.async {
 65 |                 var once = atomic_flag()
    |                            `- error: cannot find 'atomic_flag' in scope
 66 |                 entry.transform(value) { singleResult in
 67 |                     guard !atomic_flag_test_and_set(&once) else {
/Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/ValueObserving/EventAsk.swift:67:28: error: cannot find 'atomic_flag_test_and_set' in scope
 65 |                 var once = atomic_flag()
 66 |                 entry.transform(value) { singleResult in
 67 |                     guard !atomic_flag_test_and_set(&once) else {
    |                            `- error: cannot find 'atomic_flag_test_and_set' in scope
 68 |                         if !RunEnvironment.isXCTesting {
 69 |                             assertionFailure("\(Self.self) transform action called multiple times")
[7/65] Compiling SpellbookFoundation EventAsk.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/ValueObserving/EventAsk.swift:65:28: error: cannot find 'atomic_flag' in scope
 63 |             group.enter()
 64 |             entry.queue.async {
 65 |                 var once = atomic_flag()
    |                            `- error: cannot find 'atomic_flag' in scope
 66 |                 entry.transform(value) { singleResult in
 67 |                     guard !atomic_flag_test_and_set(&once) else {
/Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/ValueObserving/EventAsk.swift:67:28: error: cannot find 'atomic_flag_test_and_set' in scope
 65 |                 var once = atomic_flag()
 66 |                 entry.transform(value) { singleResult in
 67 |                     guard !atomic_flag_test_and_set(&once) else {
    |                            `- error: cannot find 'atomic_flag_test_and_set' in scope
 68 |                         if !RunEnvironment.isXCTesting {
 69 |                             assertionFailure("\(Self.self) transform action called multiple times")
[8/65] Compiling SpellbookFoundation EventNotify.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/ValueObserving/EventAsk.swift:65:28: error: cannot find 'atomic_flag' in scope
 63 |             group.enter()
 64 |             entry.queue.async {
 65 |                 var once = atomic_flag()
    |                            `- error: cannot find 'atomic_flag' in scope
 66 |                 entry.transform(value) { singleResult in
 67 |                     guard !atomic_flag_test_and_set(&once) else {
/Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/ValueObserving/EventAsk.swift:67:28: error: cannot find 'atomic_flag_test_and_set' in scope
 65 |                 var once = atomic_flag()
 66 |                 entry.transform(value) { singleResult in
 67 |                     guard !atomic_flag_test_and_set(&once) else {
    |                            `- error: cannot find 'atomic_flag_test_and_set' in scope
 68 |                         if !RunEnvironment.isXCTesting {
 69 |                             assertionFailure("\(Self.self) transform action called multiple times")
[9/65] Compiling SpellbookFoundation Observable.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/ValueObserving/EventAsk.swift:65:28: error: cannot find 'atomic_flag' in scope
 63 |             group.enter()
 64 |             entry.queue.async {
 65 |                 var once = atomic_flag()
    |                            `- error: cannot find 'atomic_flag' in scope
 66 |                 entry.transform(value) { singleResult in
 67 |                     guard !atomic_flag_test_and_set(&once) else {
/Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/ValueObserving/EventAsk.swift:67:28: error: cannot find 'atomic_flag_test_and_set' in scope
 65 |                 var once = atomic_flag()
 66 |                 entry.transform(value) { singleResult in
 67 |                     guard !atomic_flag_test_and_set(&once) else {
    |                            `- error: cannot find 'atomic_flag_test_and_set' in scope
 68 |                         if !RunEnvironment.isXCTesting {
 69 |                             assertionFailure("\(Self.self) transform action called multiple times")
[10/65] Compiling SpellbookFoundation ValueObserving.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/ValueObserving/EventAsk.swift:65:28: error: cannot find 'atomic_flag' in scope
 63 |             group.enter()
 64 |             entry.queue.async {
 65 |                 var once = atomic_flag()
    |                            `- error: cannot find 'atomic_flag' in scope
 66 |                 entry.transform(value) { singleResult in
 67 |                     guard !atomic_flag_test_and_set(&once) else {
/Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/ValueObserving/EventAsk.swift:67:28: error: cannot find 'atomic_flag_test_and_set' in scope
 65 |                 var once = atomic_flag()
 66 |                 entry.transform(value) { singleResult in
 67 |                     guard !atomic_flag_test_and_set(&once) else {
    |                            `- error: cannot find 'atomic_flag_test_and_set' in scope
 68 |                         if !RunEnvironment.isXCTesting {
 69 |                             assertionFailure("\(Self.self) transform action called multiple times")
[11/65] Compiling SpellbookFoundation ValueStore.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/ValueObserving/EventAsk.swift:65:28: error: cannot find 'atomic_flag' in scope
 63 |             group.enter()
 64 |             entry.queue.async {
 65 |                 var once = atomic_flag()
    |                            `- error: cannot find 'atomic_flag' in scope
 66 |                 entry.transform(value) { singleResult in
 67 |                     guard !atomic_flag_test_and_set(&once) else {
/Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/ValueObserving/EventAsk.swift:67:28: error: cannot find 'atomic_flag_test_and_set' in scope
 65 |                 var once = atomic_flag()
 66 |                 entry.transform(value) { singleResult in
 67 |                     guard !atomic_flag_test_and_set(&once) else {
    |                            `- error: cannot find 'atomic_flag_test_and_set' in scope
 68 |                         if !RunEnvironment.isXCTesting {
 69 |                             assertionFailure("\(Self.self) transform action called multiple times")
[12/65] Compiling SpellbookFoundation SynchronousExecutor.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Threading & Concurrency/SynchronousExecutor.swift:49:20: error: cannot find 'atomic_flag' in scope
 47 |         group.enter()
 48 |
 49 |         var once = atomic_flag()
    |                    `- error: cannot find 'atomic_flag' in scope
 50 |         try action {
 51 |             guard !atomic_flag_test_and_set(&once) else {
/Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Threading & Concurrency/SynchronousExecutor.swift:51:20: error: cannot find 'atomic_flag_test_and_set' in scope
 49 |         var once = atomic_flag()
 50 |         try action {
 51 |             guard !atomic_flag_test_and_set(&once) else {
    |                    `- error: cannot find 'atomic_flag_test_and_set' in scope
 52 |                 if !RunEnvironment.isXCTesting {
 53 |                     assertionFailure("\(Self.self) async action called multiple times")
/Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Types & PropertyWrappers/Closure.swift:46:20: error: cannot find 'atomic_flag' in scope
 44 | extension Closure {
 45 |     public func oneShot() -> Self where R == Void {
 46 |         var once = atomic_flag()
    |                    `- error: cannot find 'atomic_flag' in scope
 47 |         return Self { result in
 48 |             if !atomic_flag_test_and_set(&once) {
/Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Types & PropertyWrappers/Closure.swift:48:17: error: cannot find 'atomic_flag_test_and_set' in scope
 46 |         var once = atomic_flag()
 47 |         return Self { result in
 48 |             if !atomic_flag_test_and_set(&once) {
    |                 `- error: cannot find 'atomic_flag_test_and_set' in scope
 49 |                 self(result)
 50 |             }
/Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Types & PropertyWrappers/Closure.swift:109:20: error: cannot find 'atomic_flag' in scope
107 | extension ClosureT {
108 |     public func oneShot() -> Self where R == Void {
109 |         var once = atomic_flag()
    |                    `- error: cannot find 'atomic_flag' in scope
110 |         return Self { value in
111 |             var result: Result<R, Error>?
/Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Types & PropertyWrappers/Closure.swift:112:17: error: cannot find 'atomic_flag_test_and_set' in scope
110 |         return Self { value in
111 |             var result: Result<R, Error>?
112 |             if !atomic_flag_test_and_set(&once) {
    |                 `- error: cannot find 'atomic_flag_test_and_set' in scope
113 |                 result = Result { try self(value) }
114 |             }
[13/65] Compiling SpellbookFoundation Boxing.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Threading & Concurrency/SynchronousExecutor.swift:49:20: error: cannot find 'atomic_flag' in scope
 47 |         group.enter()
 48 |
 49 |         var once = atomic_flag()
    |                    `- error: cannot find 'atomic_flag' in scope
 50 |         try action {
 51 |             guard !atomic_flag_test_and_set(&once) else {
/Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Threading & Concurrency/SynchronousExecutor.swift:51:20: error: cannot find 'atomic_flag_test_and_set' in scope
 49 |         var once = atomic_flag()
 50 |         try action {
 51 |             guard !atomic_flag_test_and_set(&once) else {
    |                    `- error: cannot find 'atomic_flag_test_and_set' in scope
 52 |                 if !RunEnvironment.isXCTesting {
 53 |                     assertionFailure("\(Self.self) async action called multiple times")
/Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Types & PropertyWrappers/Closure.swift:46:20: error: cannot find 'atomic_flag' in scope
 44 | extension Closure {
 45 |     public func oneShot() -> Self where R == Void {
 46 |         var once = atomic_flag()
    |                    `- error: cannot find 'atomic_flag' in scope
 47 |         return Self { result in
 48 |             if !atomic_flag_test_and_set(&once) {
/Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Types & PropertyWrappers/Closure.swift:48:17: error: cannot find 'atomic_flag_test_and_set' in scope
 46 |         var once = atomic_flag()
 47 |         return Self { result in
 48 |             if !atomic_flag_test_and_set(&once) {
    |                 `- error: cannot find 'atomic_flag_test_and_set' in scope
 49 |                 self(result)
 50 |             }
/Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Types & PropertyWrappers/Closure.swift:109:20: error: cannot find 'atomic_flag' in scope
107 | extension ClosureT {
108 |     public func oneShot() -> Self where R == Void {
109 |         var once = atomic_flag()
    |                    `- error: cannot find 'atomic_flag' in scope
110 |         return Self { value in
111 |             var result: Result<R, Error>?
/Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Types & PropertyWrappers/Closure.swift:112:17: error: cannot find 'atomic_flag_test_and_set' in scope
110 |         return Self { value in
111 |             var result: Result<R, Error>?
112 |             if !atomic_flag_test_and_set(&once) {
    |                 `- error: cannot find 'atomic_flag_test_and_set' in scope
113 |                 result = Result { try self(value) }
114 |             }
[14/65] Compiling SpellbookFoundation Closure.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Threading & Concurrency/SynchronousExecutor.swift:49:20: error: cannot find 'atomic_flag' in scope
 47 |         group.enter()
 48 |
 49 |         var once = atomic_flag()
    |                    `- error: cannot find 'atomic_flag' in scope
 50 |         try action {
 51 |             guard !atomic_flag_test_and_set(&once) else {
/Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Threading & Concurrency/SynchronousExecutor.swift:51:20: error: cannot find 'atomic_flag_test_and_set' in scope
 49 |         var once = atomic_flag()
 50 |         try action {
 51 |             guard !atomic_flag_test_and_set(&once) else {
    |                    `- error: cannot find 'atomic_flag_test_and_set' in scope
 52 |                 if !RunEnvironment.isXCTesting {
 53 |                     assertionFailure("\(Self.self) async action called multiple times")
/Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Types & PropertyWrappers/Closure.swift:46:20: error: cannot find 'atomic_flag' in scope
 44 | extension Closure {
 45 |     public func oneShot() -> Self where R == Void {
 46 |         var once = atomic_flag()
    |                    `- error: cannot find 'atomic_flag' in scope
 47 |         return Self { result in
 48 |             if !atomic_flag_test_and_set(&once) {
/Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Types & PropertyWrappers/Closure.swift:48:17: error: cannot find 'atomic_flag_test_and_set' in scope
 46 |         var once = atomic_flag()
 47 |         return Self { result in
 48 |             if !atomic_flag_test_and_set(&once) {
    |                 `- error: cannot find 'atomic_flag_test_and_set' in scope
 49 |                 self(result)
 50 |             }
/Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Types & PropertyWrappers/Closure.swift:109:20: error: cannot find 'atomic_flag' in scope
107 | extension ClosureT {
108 |     public func oneShot() -> Self where R == Void {
109 |         var once = atomic_flag()
    |                    `- error: cannot find 'atomic_flag' in scope
110 |         return Self { value in
111 |             var result: Result<R, Error>?
/Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Types & PropertyWrappers/Closure.swift:112:17: error: cannot find 'atomic_flag_test_and_set' in scope
110 |         return Self { value in
111 |             var result: Result<R, Error>?
112 |             if !atomic_flag_test_and_set(&once) {
    |                 `- error: cannot find 'atomic_flag_test_and_set' in scope
113 |                 result = Result { try self(value) }
114 |             }
[15/65] Compiling SpellbookFoundation CommonError.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Threading & Concurrency/SynchronousExecutor.swift:49:20: error: cannot find 'atomic_flag' in scope
 47 |         group.enter()
 48 |
 49 |         var once = atomic_flag()
    |                    `- error: cannot find 'atomic_flag' in scope
 50 |         try action {
 51 |             guard !atomic_flag_test_and_set(&once) else {
/Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Threading & Concurrency/SynchronousExecutor.swift:51:20: error: cannot find 'atomic_flag_test_and_set' in scope
 49 |         var once = atomic_flag()
 50 |         try action {
 51 |             guard !atomic_flag_test_and_set(&once) else {
    |                    `- error: cannot find 'atomic_flag_test_and_set' in scope
 52 |                 if !RunEnvironment.isXCTesting {
 53 |                     assertionFailure("\(Self.self) async action called multiple times")
/Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Types & PropertyWrappers/Closure.swift:46:20: error: cannot find 'atomic_flag' in scope
 44 | extension Closure {
 45 |     public func oneShot() -> Self where R == Void {
 46 |         var once = atomic_flag()
    |                    `- error: cannot find 'atomic_flag' in scope
 47 |         return Self { result in
 48 |             if !atomic_flag_test_and_set(&once) {
/Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Types & PropertyWrappers/Closure.swift:48:17: error: cannot find 'atomic_flag_test_and_set' in scope
 46 |         var once = atomic_flag()
 47 |         return Self { result in
 48 |             if !atomic_flag_test_and_set(&once) {
    |                 `- error: cannot find 'atomic_flag_test_and_set' in scope
 49 |                 self(result)
 50 |             }
/Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Types & PropertyWrappers/Closure.swift:109:20: error: cannot find 'atomic_flag' in scope
107 | extension ClosureT {
108 |     public func oneShot() -> Self where R == Void {
109 |         var once = atomic_flag()
    |                    `- error: cannot find 'atomic_flag' in scope
110 |         return Self { value in
111 |             var result: Result<R, Error>?
/Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Types & PropertyWrappers/Closure.swift:112:17: error: cannot find 'atomic_flag_test_and_set' in scope
110 |         return Self { value in
111 |             var result: Result<R, Error>?
112 |             if !atomic_flag_test_and_set(&once) {
    |                 `- error: cannot find 'atomic_flag_test_and_set' in scope
113 |                 result = Result { try self(value) }
114 |             }
[16/65] Compiling SpellbookFoundation Refreshable.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Threading & Concurrency/SynchronousExecutor.swift:49:20: error: cannot find 'atomic_flag' in scope
 47 |         group.enter()
 48 |
 49 |         var once = atomic_flag()
    |                    `- error: cannot find 'atomic_flag' in scope
 50 |         try action {
 51 |             guard !atomic_flag_test_and_set(&once) else {
/Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Threading & Concurrency/SynchronousExecutor.swift:51:20: error: cannot find 'atomic_flag_test_and_set' in scope
 49 |         var once = atomic_flag()
 50 |         try action {
 51 |             guard !atomic_flag_test_and_set(&once) else {
    |                    `- error: cannot find 'atomic_flag_test_and_set' in scope
 52 |                 if !RunEnvironment.isXCTesting {
 53 |                     assertionFailure("\(Self.self) async action called multiple times")
/Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Types & PropertyWrappers/Closure.swift:46:20: error: cannot find 'atomic_flag' in scope
 44 | extension Closure {
 45 |     public func oneShot() -> Self where R == Void {
 46 |         var once = atomic_flag()
    |                    `- error: cannot find 'atomic_flag' in scope
 47 |         return Self { result in
 48 |             if !atomic_flag_test_and_set(&once) {
/Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Types & PropertyWrappers/Closure.swift:48:17: error: cannot find 'atomic_flag_test_and_set' in scope
 46 |         var once = atomic_flag()
 47 |         return Self { result in
 48 |             if !atomic_flag_test_and_set(&once) {
    |                 `- error: cannot find 'atomic_flag_test_and_set' in scope
 49 |                 self(result)
 50 |             }
/Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Types & PropertyWrappers/Closure.swift:109:20: error: cannot find 'atomic_flag' in scope
107 | extension ClosureT {
108 |     public func oneShot() -> Self where R == Void {
109 |         var once = atomic_flag()
    |                    `- error: cannot find 'atomic_flag' in scope
110 |         return Self { value in
111 |             var result: Result<R, Error>?
/Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Types & PropertyWrappers/Closure.swift:112:17: error: cannot find 'atomic_flag_test_and_set' in scope
110 |         return Self { value in
111 |             var result: Result<R, Error>?
112 |             if !atomic_flag_test_and_set(&once) {
    |                 `- error: cannot find 'atomic_flag_test_and_set' in scope
113 |                 result = Result { try self(value) }
114 |             }
[17/65] Compiling SpellbookFoundation Resource (RAII).swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Threading & Concurrency/SynchronousExecutor.swift:49:20: error: cannot find 'atomic_flag' in scope
 47 |         group.enter()
 48 |
 49 |         var once = atomic_flag()
    |                    `- error: cannot find 'atomic_flag' in scope
 50 |         try action {
 51 |             guard !atomic_flag_test_and_set(&once) else {
/Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Threading & Concurrency/SynchronousExecutor.swift:51:20: error: cannot find 'atomic_flag_test_and_set' in scope
 49 |         var once = atomic_flag()
 50 |         try action {
 51 |             guard !atomic_flag_test_and_set(&once) else {
    |                    `- error: cannot find 'atomic_flag_test_and_set' in scope
 52 |                 if !RunEnvironment.isXCTesting {
 53 |                     assertionFailure("\(Self.self) async action called multiple times")
/Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Types & PropertyWrappers/Closure.swift:46:20: error: cannot find 'atomic_flag' in scope
 44 | extension Closure {
 45 |     public func oneShot() -> Self where R == Void {
 46 |         var once = atomic_flag()
    |                    `- error: cannot find 'atomic_flag' in scope
 47 |         return Self { result in
 48 |             if !atomic_flag_test_and_set(&once) {
/Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Types & PropertyWrappers/Closure.swift:48:17: error: cannot find 'atomic_flag_test_and_set' in scope
 46 |         var once = atomic_flag()
 47 |         return Self { result in
 48 |             if !atomic_flag_test_and_set(&once) {
    |                 `- error: cannot find 'atomic_flag_test_and_set' in scope
 49 |                 self(result)
 50 |             }
/Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Types & PropertyWrappers/Closure.swift:109:20: error: cannot find 'atomic_flag' in scope
107 | extension ClosureT {
108 |     public func oneShot() -> Self where R == Void {
109 |         var once = atomic_flag()
    |                    `- error: cannot find 'atomic_flag' in scope
110 |         return Self { value in
111 |             var result: Result<R, Error>?
/Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Types & PropertyWrappers/Closure.swift:112:17: error: cannot find 'atomic_flag_test_and_set' in scope
110 |         return Self { value in
111 |             var result: Result<R, Error>?
112 |             if !atomic_flag_test_and_set(&once) {
    |                 `- error: cannot find 'atomic_flag_test_and_set' in scope
113 |                 result = Result { try self(value) }
114 |             }
[18/65] Compiling SpellbookFoundation Extensions - DispatchQueue.swift
[19/65] Compiling SpellbookFoundation Extensions - Locks.swift
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[41/65] Compiling SpellbookFoundation Extensions - Collections.swift
[42/65] Compiling SpellbookFoundation SBUnit.swift
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[52/65] Compiling SpellbookFoundation Extensions - StandardTypes.swift
[53/65] Compiling SpellbookFoundation ObjectBuilder.swift
[54/65] Compiling SpellbookFoundation DictionaryWriter.swift
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[57/65] Compiling SpellbookFoundation FileEnumerator.swift
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[59/65] Compiling SpellbookFoundation TemporaryDirectory.swift
[60/65] Compiling SpellbookFoundation Extensions - CoreGraphics.swift
[61/65] Compiling SpellbookFoundation AuditToken.swift
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BUILD FAILURE 6.3 macosSpm