Build Information
Failed to build swift-cross-ui, reference v0.10.0 (0f3ec3), with Swift 6.4 for macOS (SPM) on 3 Oct 2026 07:43:00 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: 5.1.1
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/moreSwift/swift-cross-ui.git
Reference: v0.10.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/moreSwift/swift-cross-ui
* tag v0.10.0 -> FETCH_HEAD
HEAD is now at 0f3ec39 Reorganize DummyBackend into a file per backend feature (#783)
Submodule path 'Sources/GtkCodeGen/GirFiles': checked out 'a9bfeaf9cfb0e7e722a2efd7c3ad865e68acd2c1'
Submodule 'Sources/GtkCodeGen/GirFiles' (https://github.com/moreSwift/gir-files) registered for path 'Sources/GtkCodeGen/GirFiles'
Cloning into '/Users/admin/builder/spi-builder-workspace/Sources/GtkCodeGen/GirFiles'...
Cloned https://github.com/moreSwift/swift-cross-ui.git
Revision (git rev-parse @):
0f3ec3958b79cdc39a1a3e604516b71ab33a9043
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/moreSwift/swift-cross-ui.git at v0.10.0
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Build
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Selected platform: macosSpm
Swift version: 6.4
Building package at path: $PWD
https://github.com/moreSwift/swift-cross-ui.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
[Computing dependencies]
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Working copy of https://github.com/apple/swift-argument-parser resolved at 1.8.2
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Working copy of https://github.com/stackotter/swift-image-formats resolved at 0.5.0
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Working copy of https://github.com/moreSwift/AndroidKit resolved at 0.8.1
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Working copy of https://github.com/the-swift-collective/libwebp resolved at 1.4.1
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 (1.29s)
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 gtk+-3.0 using your system-packager:
brew install gtk+3
warning: 'spi-builder-workspace': you may be able to install gtk4 using your system-packager:
brew install gtk4
[1m/Users/admin/builder/spi-builder-workspace/Sources/WinUIInterop/dummy.cpp:5:10: [0m[0;1;31mfatal error: [0m[1m'ShObjIdl.h' file not found[0m
5 | #include <ShObjIdl.h>[0m
| [0;1;32m ^~~~~~~~~~~~
[0m1 error generated.
error: CompileC /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-cross-ui.build/Debug/WinUIInterop-t.build/Objects-normal/arm64/dummy.o /Users/admin/builder/spi-builder-workspace/Sources/WinUIInterop/dummy.cpp normal arm64 c++ com.apple.compilers.llvm.clang.1_0.compiler failed with a nonzero exit code. Command line: cd /Users/admin/builder
Using response file: /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-cross-ui.build/Debug/WinUIInterop-t.build/Objects-normal/arm64/82b82416624d2658e5098eb0a28c15c5-common-args.resp
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -x c++ -ivfsstatcache /Users/admin/builder/spi-builder-workspace/.build/out/SDKStatCaches.noindex/macosx27.0-26A425-80c5bbf1d171475443272936d42f90a36a22442a12e9d48fe1a705f55a1adfc4.sdkstatcache -target arm64-apple-macos12.0 -fmessage-length\=0 -fdiagnostics-show-note-include-stack -fmacro-backtrace-limit\=0 -fcolor-diagnostics -fmodules-prune-interval\=86400 -fmodules-prune-after\=345600 -fbuild-session-file\=/Users/admin/builder/spi-builder-workspace/.build/out/ModuleCache.noindex/Session.modulevalidation -fmodules-validate-once-per-build-session -Wnon-modular-include-in-framework-module -Werror\=non-modular-include-in-framework-module -Wno-trigraphs -Wno-missing-field-initializers -Wno-missing-prototypes -Wno-return-type -Wno-non-virtual-dtor -Wno-overloaded-virtual -Wno-exit-time-destructors -Wno-missing-braces -Wparentheses -Wswitch -Wno-unused-function -Wno-unused-label -Wno-unused-parameter -Wno-unused-variable -Wunused-value -Wno-empty-body -Wno-uninitialized -Wno-unknown-pragmas -Wno-shadow -Wno-four-char-constants -Wno-conversion -Wno-constant-conversion -Wno-int-conversion -Wno-bool-conversion -Wno-enum-conversion -Wno-float-conversion -Wno-non-literal-null-conversion -Wno-objc-literal-conversion -Wshorten-64-to-32 -Wno-newline-eof -Wno-c++11-extensions -Wno-implicit-fallthrough -isysroot /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk -fstrict-aliasing -Wdeprecated-declarations -Winvalid-offsetof -Wno-sign-conversion -Wno-infinite-recursion -Wno-move -Wno-comma -Wno-block-capture-autoreleasing -Wno-strict-prototypes -Wno-range-loop-analysis -Wno-semicolon-before-method-body -index-store-path /Users/admin/builder/spi-builder-workspace/.build/out @/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-cross-ui.build/Debug/WinUIInterop-t.build/Objects-normal/arm64/82b82416624d2658e5098eb0a28c15c5-common-args.resp -MMD -MT dependencies -MF /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-cross-ui.build/Debug/WinUIInterop-t.build/Objects-normal/arm64/dummy.d --serialize-diagnostics /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-cross-ui.build/Debug/WinUIInterop-t.build/Objects-normal/arm64/dummy.dia -c /Users/admin/builder/spi-builder-workspace/Sources/WinUIInterop/dummy.cpp -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-cross-ui.build/Debug/WinUIInterop-t.build/Objects-normal/arm64/dummy.o -index-unit-output-path /swift-cross-ui.build/Debug/WinUIInterop-t.build/Objects-normal/arm64/dummy.o
error: Build failed
BUILD FAILURE 6.4 macosSpm