Build Information
Failed to build swift-winui, reference main (052945), with Swift 6.4 for macOS (SPM) on 21 Sep 2026 18:32:56 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64Build Log
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RunAll
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Builder version: 5.1.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/wabiverse/swift-winui.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/wabiverse/swift-winui
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 0529457 set swift windowsappsdk to wabi fork.
Cloned https://github.com/wabiverse/swift-winui.git
Revision (git rev-parse @):
0529457d9f360904b2009fd67cba90046ff252c4
SUCCESS checkout https://github.com/wabiverse/swift-winui.git at main
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Build
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Selected platform: macosSpm
Swift version: 6.4
Building package at path: $PWD
https://github.com/wabiverse/swift-winui.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Fetching https://github.com/thebrowsercompany/swift-cwinrt
[1/474] Fetching swift-cwinrt
Fetched https://github.com/thebrowsercompany/swift-cwinrt (2.20s)
Fetching https://github.com/thebrowsercompany/swift-uwp
[1/362] Fetching swift-uwp
Fetched https://github.com/thebrowsercompany/swift-uwp (1.41s)
error: package 'swift-uwp' is required using a revision-based requirement and it depends on local package 'swift-cwinrt', which is not supported
BUILD FAILURE 6.4 macosSpm