Build Information
Failed to build CFontConfig, reference 1.0.1 (e5bae8), with Swift 6.4 for macOS (SPM) on 20 Sep 2026 02:51:29 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/aestesis/CFontConfig.git
Reference: 1.0.1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/aestesis/CFontConfig
* tag 1.0.1 -> FETCH_HEAD
HEAD is now at e5bae81 Merge pull request #1 from airalex/master
Cloned https://github.com/aestesis/CFontConfig.git
Revision (git rev-parse @):
e5bae817dbd1eb402f395d960485c52350b2bd88
SUCCESS checkout https://github.com/aestesis/CFontConfig.git at 1.0.1
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Build
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Selected platform: macosSpm
Swift version: 6.4
Building package at path: $PWD
https://github.com/aestesis/CFontConfig.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
error: 'spi-builder-workspace': package 'package.swift' is using Swift tools version 3.1.0 which is no longer supported; consider using '// swift-tools-version: 6.4' to specify the current tools version
BUILD FAILURE 6.4 macosSpm