The Swift Package Index logo.Swift Package Index

Has it really been five years since Swift Package Index launched? Read our anniversary blog post!

Build Information

Failed to build MultiPicker, reference v2.0.6 (546bdb), with Swift 6.2 for macOS (SPM) on 20 Oct 2025 02:33:25 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-26.0.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.68.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/toastersocks/MultiPicker.git
Reference: v2.0.6
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/toastersocks/MultiPicker
 * tag               v2.0.6     -> FETCH_HEAD
HEAD is now at 546bdb3 Update workflow to test with Swift 6.1 & 6.2
Cloned https://github.com/toastersocks/MultiPicker.git
Revision (git rev-parse @):
546bdb3c6534c78dac3d2bb55995f613e054741e
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/toastersocks/MultiPicker.git at v2.0.6
Fetching https://github.com/toastersocks/Flow.git
Fetching https://github.com/toastersocks/Helpers.git
[1/414] Fetching flow
[229/567] Fetching flow, helpers
Fetched https://github.com/toastersocks/Flow.git from cache (0.89s)
Fetched https://github.com/toastersocks/Helpers.git from cache (0.89s)
Creating working copy for https://github.com/toastersocks/Helpers.git
Creating working copy for https://github.com/toastersocks/Flow.git
Working copy of https://github.com/toastersocks/Helpers.git resolved at 1.0.1
Working copy of https://github.com/toastersocks/Flow.git resolved at 1.3.1
========================================
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",
  "dependencies": [
    {
      "identity": "multipicker",
      "name": "MultiPicker",
      "url": "https://github.com/toastersocks/MultiPicker.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/MultiPicker",
      "dependencies": [
        {
          "identity": "helpers",
          "name": "Helpers",
          "url": "https://github.com/toastersocks/Helpers.git",
          "version": "1.0.1",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Helpers",
          "dependencies": [
          ]
        },
        {
          "identity": "flow",
          "name": "Flow",
          "url": "https://github.com/toastersocks/Flow.git",
          "version": "1.3.1",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Flow",
          "dependencies": [
          ]
        }
      ]
    }
  ]
}
Fetching https://github.com/toastersocks/MultiPicker.git
[1/495] Fetching multipicker
Fetched https://github.com/toastersocks/MultiPicker.git from cache (2.18s)
Fetching https://github.com/toastersocks/Helpers.git from cache
Fetching https://github.com/toastersocks/Flow.git from cache
Fetched https://github.com/toastersocks/Flow.git from cache (0.46s)
Fetched https://github.com/toastersocks/Helpers.git from cache (0.46s)
Computing version for https://github.com/toastersocks/Helpers.git
Computed https://github.com/toastersocks/Helpers.git at 1.0.1 (1.01s)
Computing version for https://github.com/toastersocks/Flow.git
Computed https://github.com/toastersocks/Flow.git at 1.3.1 (0.52s)
Creating working copy for https://github.com/toastersocks/Flow.git
Working copy of https://github.com/toastersocks/Flow.git resolved at 1.3.1
Creating working copy for https://github.com/toastersocks/MultiPicker.git
Working copy of https://github.com/toastersocks/MultiPicker.git resolved at v2.0.6 (546bdb3)
Creating working copy for https://github.com/toastersocks/Helpers.git
Working copy of https://github.com/toastersocks/Helpers.git resolved at 1.0.1
warning: '.resolve-product-dependencies': dependency 'multipicker' is not used by any target
Found 2 product dependencies
  - Helpers
  - Flow
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.2
Building package at path:  $PWD
https://github.com/toastersocks/MultiPicker.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.0.0.app xcrun swift build --arch arm64
Building for debugging...
[0/4] Write sources
[3/4] Write swift-version-49B95AFC49DCD68C.txt
[5/15] Compiling Helpers Variadic.swift
[6/15] Compiling Helpers Extensions.swift
[7/15] Compiling Helpers Backports.swift
[8/15] Compiling Helpers Backport.swift
[9/15] Compiling Helpers Combine+.swift
[10/15] Emitting module Helpers
[11/15] Compiling Helpers PreviewHelpers.swift
[12/15] Compiling Flow PreviewCode.swift
[13/15] Compiling Flow Flow.swift
[14/15] Compiling Flow SupportingTypes.swift
[15/15] Emitting module Flow
error: emit-module command failed with exit code 1 (use -v to see invocation)
[16/19] Emitting module MultiPicker
/Users/admin/builder/spi-builder-workspace/Sources/MultiPicker/MultiPicker.swift:6:8: error: macOS not currently supported
  4 |
  5 | #if os(macOS)
  6 | #error("macOS not currently supported")
    |        `- error: macOS not currently supported
  7 | #endif
  8 |
[17/19] Compiling MultiPicker MultiPicker.swift
/Users/admin/builder/spi-builder-workspace/Sources/MultiPicker/MultiPicker.swift:6:8: error: macOS not currently supported
  4 |
  5 | #if os(macOS)
  6 | #error("macOS not currently supported")
    |        `- error: macOS not currently supported
  7 | #endif
  8 |
/Users/admin/builder/spi-builder-workspace/Sources/MultiPicker/MultiPicker.swift:469:35: error: 'navigationLink' is unavailable in macOS
467 |                         }
468 |                     }
469 |                     .pickerStyle(.navigationLink)
    |                                   `- error: 'navigationLink' is unavailable in macOS
470 |                     #if !os(macOS)
471 |                     //                .pickerStyle(.navigationLink)
SwiftUI.PickerStyle.navigationLink:2:19: note: 'navigationLink' has been explicitly marked unavailable here
1 | protocol PickerStyle {
2 | public static var navigationLink: NavigationLinkPickerStyle { get }}
  |                   `- note: 'navigationLink' has been explicitly marked unavailable here
3 |
/Users/admin/builder/spi-builder-workspace/Sources/MultiPicker/MultiPicker.swift:530:35: error: 'navigationLink' is unavailable in macOS
528 |                         }
529 |                     }
530 |                     .pickerStyle(.navigationLink)
    |                                   `- error: 'navigationLink' is unavailable in macOS
531 | #if !os(macOS)
532 |                     //                .pickerStyle(.navigationLink)
SwiftUI.PickerStyle.navigationLink:2:19: note: 'navigationLink' has been explicitly marked unavailable here
1 | protocol PickerStyle {
2 | public static var navigationLink: NavigationLinkPickerStyle { get }}
  |                   `- note: 'navigationLink' has been explicitly marked unavailable here
3 |
[18/19] Compiling MultiPicker SupportingTypes.swift
/Users/admin/builder/spi-builder-workspace/Sources/MultiPicker/MultiPicker.swift:6:8: error: macOS not currently supported
  4 |
  5 | #if os(macOS)
  6 | #error("macOS not currently supported")
    |        `- error: macOS not currently supported
  7 | #endif
  8 |
[19/19] Compiling MultiPicker PreviewSupport.swift
/Users/admin/builder/spi-builder-workspace/Sources/MultiPicker/MultiPicker.swift:6:8: error: macOS not currently supported
  4 |
  5 | #if os(macOS)
  6 | #error("macOS not currently supported")
    |        `- error: macOS not currently supported
  7 | #endif
  8 |
BUILD FAILURE 6.2 macosSpm