Swift Package Index

Build Information

Failed to build Silica, reference master (67a05f), with Swift 6.4 for macOS (SPM) on 26 Sep 2026 06:40:20 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64

Build Log

========================================
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/pureswift/silica.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/pureswift/silica
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 67a05f9 Merge pull request #21 from PureSwift/feature/multiline-text
Cloned https://github.com/pureswift/silica.git
Revision (git rev-parse @):
67a05f9415e20841ef101878213f9c20a56dfda8
SUCCESS checkout https://github.com/pureswift/silica.git at master
========================================
Build
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Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/pureswift/silica.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
[Computing dependencies]
[Pre-planning 1 / 448]
[Planning deferred tasks]
[66 / 150] Cairo
[72 / 150]
Fetching https://github.com/PureSwift/Cairo.git
[1/3626] Fetching cairo
Fetched https://github.com/PureSwift/Cairo.git (3.87s)
Fetching https://github.com/PureSwift/FontConfig.git
[1/123] Fetching fontconfig
Fetched https://github.com/PureSwift/FontConfig.git (0.77s)
Fetching https://github.com/PureSwift/Android.git
[1/11449] Fetching android
Fetched https://github.com/PureSwift/Android.git (1.69s)
Fetching https://github.com/swiftlang/swift-java.git
[1/32491] Fetching swift-java
Fetched https://github.com/swiftlang/swift-java.git (2.19s)
Fetching https://github.com/swift-android-sdk/swift-android-native.git
[1/2011] Fetching swift-android-native
Fetched https://github.com/swift-android-sdk/swift-android-native.git (1.15s)
Fetching https://github.com/PureSwift/JavaLang.git
[1/3155] Fetching javalang
Fetched https://github.com/PureSwift/JavaLang.git (1.24s)
Fetching https://github.com/PureSwift/Kotlin.git
[1/964] Fetching kotlin
Fetched https://github.com/PureSwift/Kotlin.git (1.02s)
Fetching https://github.com/swiftlang/swift-java-jni-core
[1/607] Fetching swift-java-jni-core
Fetched https://github.com/swiftlang/swift-java-jni-core (0.98s)
Fetching https://github.com/apple/swift-log
Fetching https://github.com/swiftlang/swift-syntax
Fetching https://github.com/apple/swift-argument-parser
Fetching https://github.com/swiftlang/swift-subprocess.git
Fetching https://github.com/swiftwasm/JavaScriptKit.git
Fetching https://github.com/apple/swift-collections
Fetching https://github.com/apple/swift-system
[1/8165] Fetching swift-log
[2/15148] Fetching swift-log, swift-system
[84/19924] Fetching swift-log, swift-system, swift-subprocess
[2690/60736] Fetching swift-log, swift-system, swift-subprocess, javascriptkit
[2773/79681] Fetching swift-log, swift-system, swift-subprocess, javascriptkit, swift-argument-parser
[2774/107460] Fetching swift-log, swift-system, swift-subprocess, javascriptkit, swift-argument-parser, swift-collections
Fetched https://github.com/apple/swift-log (1.42s)
[18048/99295] Fetching swift-system, swift-subprocess, javascriptkit, swift-argument-parser, swift-collections
[51681/179363] Fetching swift-system, swift-subprocess, javascriptkit, swift-argument-parser, swift-collections, swift-syntax
Fetched https://github.com/apple/swift-collections (2.58s)
Fetched https://github.com/swiftlang/swift-subprocess.git (2.58s)
[81266/146808] Fetching swift-system, javascriptkit, swift-argument-parser, swift-syntax
Fetched https://github.com/apple/swift-system (4.39s)
Fetched https://github.com/swiftwasm/JavaScriptKit.git (4.39s)
Fetched https://github.com/swiftlang/swift-syntax (4.39s)
Fetched https://github.com/apple/swift-argument-parser (4.39s)
Computing version for https://github.com/swiftlang/swift-subprocess.git
Computed https://github.com/swiftlang/swift-subprocess.git at 0.4.0 (5.02s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 1.8.2 (0.55s)
Computing version for https://github.com/swiftlang/swift-syntax
Computed https://github.com/swiftlang/swift-syntax at 603.0.2 (2.18s)
Computing version for https://github.com/swiftwasm/JavaScriptKit.git
Computed https://github.com/swiftwasm/JavaScriptKit.git at 0.59.0 (0.58s)
Computing version for https://github.com/apple/swift-collections
Computed https://github.com/apple/swift-collections at 1.7.1 (0.63s)
Computing version for https://github.com/apple/swift-system
Computed https://github.com/apple/swift-system at 1.8.1 (0.57s)
Computing version for https://github.com/apple/swift-log
Computed https://github.com/apple/swift-log at 1.15.1 (0.57s)
Creating working copy for https://github.com/apple/swift-argument-parser
Working copy of https://github.com/apple/swift-argument-parser resolved at 1.8.2
Creating working copy for https://github.com/swiftlang/swift-syntax
Working copy of https://github.com/swiftlang/swift-syntax resolved at 603.0.2
Creating working copy for https://github.com/swiftlang/swift-java-jni-core
Working copy of https://github.com/swiftlang/swift-java-jni-core resolved at main (b440a0b)
Creating working copy for https://github.com/PureSwift/Android.git
Working copy of https://github.com/PureSwift/Android.git resolved at master (4c941bc)
Creating working copy for https://github.com/apple/swift-system
Working copy of https://github.com/apple/swift-system resolved at 1.8.1
Creating working copy for https://github.com/PureSwift/Cairo.git
Working copy of https://github.com/PureSwift/Cairo.git resolved at master (af9fa9d)
Creating working copy for https://github.com/PureSwift/FontConfig.git
Working copy of https://github.com/PureSwift/FontConfig.git resolved at master (02b7b62)
Creating working copy for https://github.com/swiftlang/swift-subprocess.git
Working copy of https://github.com/swiftlang/swift-subprocess.git resolved at 0.4.0
Creating working copy for https://github.com/PureSwift/Kotlin.git
Working copy of https://github.com/PureSwift/Kotlin.git resolved at master (88a9bb9)
Creating working copy for https://github.com/swift-android-sdk/swift-android-native.git
Working copy of https://github.com/swift-android-sdk/swift-android-native.git resolved at main (5f71c15)
Creating working copy for https://github.com/PureSwift/JavaLang.git
Working copy of https://github.com/PureSwift/JavaLang.git resolved at master (1b7320a)
Creating working copy for https://github.com/swiftlang/swift-java.git
Working copy of https://github.com/swiftlang/swift-java.git resolved at main (d6ff36c)
Creating working copy for https://github.com/apple/swift-collections
Working copy of https://github.com/apple/swift-collections resolved at 1.7.1
Creating working copy for https://github.com/swiftwasm/JavaScriptKit.git
Working copy of https://github.com/swiftwasm/JavaScriptKit.git resolved at 0.59.0
Creating working copy for https://github.com/apple/swift-log
Working copy of https://github.com/apple/swift-log resolved at 1.15.1
Downloading package prebuilt https://download.swift.org/prebuilts/swift-syntax/603.0.2/swiftlang-6.4.0.34.1-macosx27.0-MacroSupport.zip
Downloaded https://download.swift.org/prebuilts/swift-syntax/603.0.2/swiftlang-6.4.0.34.1-macosx27.0-MacroSupport.zip (1.30s)
warning: 'cairo': failed to retrieve search paths with pkg-config; maybe pkg-config is not installed
warning: 'cairo': you may be able to install freetype2 using your system-packager:
    brew install freetype
warning: 'cairo': you may be able to install cairo using your system-packager:
    brew install cairo
warning: 'fontconfig': you may be able to install fontconfig using your system-packager:
    brew install fontconfig
error: clang dependency scanning failure: While building module 'CFontConfig' imported from module-include.input:1:
In file included from <module-includes>:1:
/Users/admin/builder/spi-builder-workspace/.build/checkouts/FontConfig/Sources/CFontConfig/shim.h:1:10: fatal error: 'fontconfig/fontconfig.h' file not found
module-include.input:1:1: fatal error: could not build module 'CFontConfig'
error: /Users/admin/builder/spi-builder-workspace/.build/checkouts/FontConfig/Sources/FontConfig/FontConfig.swift:8:8 unable to resolve module dependency: 'CFontConfig'
error: clang dependency scanning failure: While building module 'CFontConfig' imported from module-include.input:1:
In file included from <module-includes>:1:
/Users/admin/builder/spi-builder-workspace/.build/checkouts/FontConfig/Sources/CFontConfig/shim.h:1:10: fatal error: 'fontconfig/fontconfig.h' file not found
module-include.input:1:1: fatal error: could not build module 'CFontConfig'
error: SwiftDriver FontConfig normal arm64 com.apple.xcode.tools.swift.compiler failed with a nonzero exit code. Command line:     cd /Users/admin/builder
    builtin-SwiftDriver -- /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -parse-as-library -module-name FontConfig -Onone @/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/FontConfig.build/Debug/FontConfig-t.build/Objects-normal/arm64/FontConfig.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -Xcc -fmodule-map-file\=/Users/admin/builder/spi-builder-workspace/.build/checkouts/FontConfig/Sources/CFontConfig/module.modulemap -DXcode -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk -target arm64-apple-macos12.0 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.build/out/ModuleCache.noindex -Xfrontend -serialize-debugging-options -enable-testing -suppress-warnings -index-store-path /Users/admin/builder/spi-builder-workspace/.build/out -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -swift-version 6 -I /Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.build/out/SDKStatCaches.noindex/macosx27.0-26A425-80c5bbf1d171475443272936d42f90a36a22442a12e9d48fe1a705f55a1adfc4.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/FontConfig.build/Debug/FontConfig-t.build/Objects-normal/arm64/FontConfig-OutputFileMap.json -save-temps -color-diagnostics -explicit-module-build -module-cache-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftExplicitPrecompiledModules -clang-scanner-module-cache-path /Users/admin/builder/spi-builder-workspace/.build/out/ModuleCache.noindex -sdk-module-cache-path /Users/admin/builder/spi-builder-workspace/.build/out/SDKExplicitPrecompiledModules -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/FontConfig.build/Debug/FontConfig-t.build/Objects-normal/arm64/FontConfig.swiftmodule -serialize-diagnostics -dependency-scan-serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/FontConfig.build/Debug/FontConfig-t.build/Objects-normal/arm64/FontConfig-dependency-scan.dia -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.build/out/ModuleCache.noindex/Session.modulevalidation -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -package-name fontconfig -emit-const-values -const-gather-protocols-list /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/FontConfig.build/Debug/FontConfig-t.build/Objects-normal/arm64/FontConfig_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/FontConfig.build/Debug/FontConfig-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/FontConfig.build/Debug/FontConfig-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/FontConfig.build/Debug/FontConfig-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -emit-objc-header -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/FontConfig.build/Debug/FontConfig-t.build/Objects-normal/arm64/FontConfig-Swift.h -working-directory /Users/admin/builder -experimental-emit-module-separately -disable-cmo
error: Build failed
BUILD FAILURE 6.4 macosSpm