Build Information
Failed to build swift-cairo, reference main (965445), with Swift 6.4 for macOS (SPM) on 20 Sep 2026 03:31:01 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/fwcd/swift-cairo.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/fwcd/swift-cairo
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 9654454 Merge pull request #2 from fwcd/pkg-config-ci
Cloned https://github.com/fwcd/swift-cairo.git
Revision (git rev-parse @):
9654454540ed412249259f310aa8b658b4359bc2
SUCCESS checkout https://github.com/fwcd/swift-cairo.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/fwcd/swift-cairo.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
[Pre-planning 1 / 69]
[Planning deferred tasks]
[19 / 28]
[20 / 29] Cairo
warning: 'spi-builder-workspace': failed to retrieve search paths with pkg-config; maybe pkg-config is not installed
warning: 'spi-builder-workspace': you may be able to install freetype2 using your system-packager:
brew install freetype2
warning: 'spi-builder-workspace': you may be able to install fontconfig using your system-packager:
brew install fontconfig
warning: 'spi-builder-workspace': you may be able to install cairo using your system-packager:
brew install cairo
error: clang dependency scanning failure: While building module 'SCCCairo' imported from module-include.input:1:
In file included from <module-includes>:1:
/Users/admin/builder/spi-builder-workspace/Sources/SCCCairo/shim.h:1:10: fatal error: 'cairo.h' file not found
module-include.input:1:2: fatal error: could not build module 'SCCCairo'
error: clang dependency scanning failure: While building module 'SCCFontConfig' imported from module-include.input:1:
In file included from <module-includes>:1:
/Users/admin/builder/spi-builder-workspace/Sources/SCCFontConfig/shim.h:1:10: fatal error: 'fontconfig/fontconfig.h' file not found
module-include.input:1:3: fatal error: could not build module 'SCCFontConfig'
error: clang dependency scanning failure: While building module 'SCCFreeType' imported from module-include.input:1:
In file included from <module-includes>:1:
/Users/admin/builder/spi-builder-workspace/Sources/SCCFreeType/shim.h:1:10: fatal error: 'ft2build.h' file not found
module-include.input:1:4: fatal error: could not build module 'SCCFreeType'
error: /Users/admin/builder/spi-builder-workspace/Sources/Cairo/Content.swift:9:15 unable to resolve module dependency: 'SCCCairo'
error: /Users/admin/builder/spi-builder-workspace/Sources/Cairo/Font.swift:10:8 unable to resolve module dependency: 'SCCFontConfig'
error: /Users/admin/builder/spi-builder-workspace/Sources/Cairo/Font.swift:11:8 unable to resolve module dependency: 'SCCFreeType'
error: clang dependency scanning failure: While building module 'SCCCairo' imported from module-include.input:1:
In file included from <module-includes>:1:
/Users/admin/builder/spi-builder-workspace/Sources/SCCCairo/shim.h:1:10: fatal error: 'cairo.h' file not found
module-include.input:1:2: fatal error: could not build module 'SCCCairo'
error: clang dependency scanning failure: While building module 'SCCFontConfig' imported from module-include.input:1:
In file included from <module-includes>:1:
/Users/admin/builder/spi-builder-workspace/Sources/SCCFontConfig/shim.h:1:10: fatal error: 'fontconfig/fontconfig.h' file not found
module-include.input:1:3: fatal error: could not build module 'SCCFontConfig'
error: clang dependency scanning failure: While building module 'SCCFreeType' imported from module-include.input:1:
In file included from <module-includes>:1:
/Users/admin/builder/spi-builder-workspace/Sources/SCCFreeType/shim.h:1:10: fatal error: 'ft2build.h' file not found
module-include.input:1:4: fatal error: could not build module 'SCCFreeType'
error: SwiftDriver Cairo 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 Cairo -Onone @/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-cairo.build/Debug/Cairo-t.build/Objects-normal/arm64/Cairo.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -Xcc -fmodule-map-file\=/Users/admin/builder/spi-builder-workspace/Sources/SCCFreeType/module.modulemap -Xcc -fmodule-map-file\=/Users/admin/builder/spi-builder-workspace/Sources/SCCFontConfig/module.modulemap -Xcc -fmodule-map-file\=/Users/admin/builder/spi-builder-workspace/Sources/SCCCairo/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 -index-store-path /Users/admin/builder/spi-builder-workspace/.build/out -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -swift-version 5 -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/swift-cairo.build/Debug/Cairo-t.build/Objects-normal/arm64/Cairo-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/swift-cairo.build/Debug/Cairo-t.build/Objects-normal/arm64/Cairo.swiftmodule -serialize-diagnostics -dependency-scan-serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-cairo.build/Debug/Cairo-t.build/Objects-normal/arm64/Cairo-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 -emit-const-values -const-gather-protocols-list /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-cairo.build/Debug/Cairo-t.build/Objects-normal/arm64/Cairo_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/swift-cairo.build/Debug/Cairo-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-cairo.build/Debug/Cairo-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-cairo.build/Debug/Cairo-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/swift-cairo.build/Debug/Cairo-t.build/Objects-normal/arm64/Cairo-Swift.h -working-directory /Users/admin/builder -experimental-emit-module-separately -disable-cmo
error: Build failed
BUILD FAILURE 6.4 macosSpm