Swift Package Index

Build Information

Failed to build swift-webgpu, reference main (bda307), with Swift 6.4 for macOS (SPM) on 23 Sep 2026 05:43:33 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/henrybetts/swift-webgpu.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/henrybetts/swift-webgpu
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at bda307b add support for optional returns
Cloned https://github.com/henrybetts/swift-webgpu.git
Revision (git rev-parse @):
bda307ba08e3377352719453ec55915b6653a15f
SUCCESS checkout https://github.com/henrybetts/swift-webgpu.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/henrybetts/swift-webgpu.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 / 476]
[Planning deferred tasks]
[29 / 179] WindowUtils
[84 / 179]
Fetching https://github.com/SwiftGFX/SwiftMath
Fetching https://github.com/apple/swift-argument-parser
[1/972] Fetching swiftmath
[973/19890] Fetching swiftmath, swift-argument-parser
Fetched https://github.com/SwiftGFX/SwiftMath (1.99s)
Fetched https://github.com/apple/swift-argument-parser (1.99s)
Computing version for https://github.com/SwiftGFX/SwiftMath
Computed https://github.com/SwiftGFX/SwiftMath at 3.3.1 (2.70s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 1.8.2 (0.61s)
Creating working copy for https://github.com/SwiftGFX/SwiftMath
Working copy of https://github.com/SwiftGFX/SwiftMath resolved at 3.3.1
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
warning: 'spi-builder-workspace': couldn't find pc file for webgpu
warning: 'spi-builder-workspace': you may be able to install glfw3 using your system-packager:
    brew install glfw
In file included from /Users/admin/builder/spi-builder-workspace/Sources/CDawnNative/dawn_native.cpp:2:
/Users/admin/builder/spi-builder-workspace/Sources/CDawnNative/include/dawn_native.h:1:10: fatal error: 'dawn/webgpu.h' file not found
    1 | #include <dawn/webgpu.h>
      |          ^~~~~~~~~~~~~~~
1 error generated.
error: CompileC /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-webgpu.build/Debug/CDawnNative-t.build/Objects-normal/arm64/dawn_native.o /Users/admin/builder/spi-builder-workspace/Sources/CDawnNative/dawn_native.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-webgpu.build/Debug/CDawnNative-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-webgpu.build/Debug/CDawnNative-t.build/Objects-normal/arm64/82b82416624d2658e5098eb0a28c15c5-common-args.resp -MMD -MT dependencies -MF /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-webgpu.build/Debug/CDawnNative-t.build/Objects-normal/arm64/dawn_native.d --serialize-diagnostics /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-webgpu.build/Debug/CDawnNative-t.build/Objects-normal/arm64/dawn_native.dia -c /Users/admin/builder/spi-builder-workspace/Sources/CDawnNative/dawn_native.cpp -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-webgpu.build/Debug/CDawnNative-t.build/Objects-normal/arm64/dawn_native.o -index-unit-output-path /swift-webgpu.build/Debug/CDawnNative-t.build/Objects-normal/arm64/dawn_native.o
error: Build failed
BUILD FAILURE 6.4 macosSpm