Build Information
Failed to build MultiPicker, reference v2.0.7 (6ecf48), with Swift 6.3 for macOS (SPM) on 21 Apr 2026 05:10:09 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64Build Log
========================================
RunAll
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Builder version: 4.70.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/toastersocks/MultiPicker.git
Reference: v2.0.7
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/toastersocks/MultiPicker
* tag v2.0.7 -> FETCH_HEAD
HEAD is now at 6ecf486 Remove the retroactive conformance of Binding to Equatable and use a custom Equatable implementation on SelectionBinding instead to avoid breaking the EditButton functionality in SwiftUI
Cloned https://github.com/toastersocks/MultiPicker.git
Revision (git rev-parse @):
6ecf486ba29c15ed11a0c4d5c0f9c5afeb5ed491
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/toastersocks/MultiPicker.git at v2.0.7
Fetching https://github.com/toastersocks/Helpers.git
Fetching https://github.com/toastersocks/Flow.git
[1/177] Fetching helpers
[178/591] Fetching helpers, flow
Fetched https://github.com/toastersocks/Flow.git from cache (0.93s)
Fetched https://github.com/toastersocks/Helpers.git from cache (0.93s)
Creating working copy for https://github.com/toastersocks/Flow.git
Creating working copy for https://github.com/toastersocks/Helpers.git
Working copy of https://github.com/toastersocks/Helpers.git resolved at 1.0.2
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",
"traits": [
"default"
],
"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",
"traits": [
"default"
],
"dependencies": [
{
"identity": "helpers",
"name": "Helpers",
"url": "https://github.com/toastersocks/Helpers.git",
"version": "1.0.2",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Helpers",
"traits": [
"default"
],
"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",
"traits": [
"default"
],
"dependencies": [
]
}
]
}
]
}
Fetching https://github.com/toastersocks/MultiPicker.git
[1/521] Fetching multipicker
Fetched https://github.com/toastersocks/MultiPicker.git from cache (1.01s)
Fetching https://github.com/toastersocks/Helpers.git from cache
Fetching https://github.com/toastersocks/Flow.git from cache
Fetched https://github.com/toastersocks/Helpers.git from cache (0.43s)
Fetched https://github.com/toastersocks/Flow.git from cache (0.43s)
Computing version for https://github.com/toastersocks/Helpers.git
Computed https://github.com/toastersocks/Helpers.git at 1.0.2 (1.08s)
Computing version for https://github.com/toastersocks/Flow.git
Computed https://github.com/toastersocks/Flow.git at 1.3.1 (0.60s)
Creating working copy for https://github.com/toastersocks/MultiPicker.git
Working copy of https://github.com/toastersocks/MultiPicker.git resolved at v2.0.7 (6ecf486)
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/Helpers.git
Working copy of https://github.com/toastersocks/Helpers.git resolved at 1.0.2
warning: '.resolve-product-dependencies': dependency 'multipicker' is not used by any target
Found 2 product dependencies
- Helpers
- Flow
========================================
Build
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Selected platform: macosSpm
Swift version: 6.3
Building package at path: $PWD
https://github.com/toastersocks/MultiPicker.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64
Building for debugging...
[0/4] Write sources
[3/4] Write swift-version--6988338F2F200930.txt
[5/15] Compiling Helpers Variadic.swift
[6/15] Compiling Helpers Combine+.swift
[7/15] Compiling Helpers Backports.swift
[8/15] Compiling Helpers Backport.swift
[9/15] Emitting module Helpers
[10/15] Compiling Helpers PreviewHelpers.swift
[11/15] Compiling Helpers Extensions.swift
[12/15] Compiling Flow Flow.swift
[13/15] Compiling Flow PreviewCode.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:478:35: error: 'navigationLink' is unavailable in macOS
476 | }
477 | }
478 | .pickerStyle(.navigationLink)
| `- error: 'navigationLink' is unavailable in macOS
479 | #if !os(macOS)
480 | // .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:539:35: error: 'navigationLink' is unavailable in macOS
537 | }
538 | }
539 | .pickerStyle(.navigationLink)
| `- error: 'navigationLink' is unavailable in macOS
540 | #if !os(macOS)
541 | // .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 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 |
[19/19] 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 |
BUILD FAILURE 6.3 macosSpm