swift-webgpu – Build Information

Build Information

Failed to build swift-webgpu, reference main (bda307), with Swift 6.4 for Wasm on 23 Sep 2026 05:20:00 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-54344845-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:wasm-6.4-latest swift build --swift-sdk swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/henrybetts/swift-webgpu.git
Reference: main
Initialized empty Git repository in /host/spi-builder-workspace/.git/
hint: Using 'master' as the name for the initial branch. This default branch name
hint: is subject to change. To configure the initial branch name to use in all
hint: of your new repositories, which will suppress this warning, call:
hint:
hint: 	git config --global init.defaultBranch <name>
hint:
hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
hint: 'development'. The just-created branch can be renamed via this command:
hint:
hint: 	git branch -m <name>
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:         wasm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/henrybetts/swift-webgpu.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344845-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:wasm-6.4-latest swift build --swift-sdk swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm 2>&1
wasm-6.4-latest: Pulling from saguaro1/spi-images
Digest: sha256:4328fdb43c680d205c1d6761b1e3267aa38277eefdda9ddfb17b6a0f1a77857a
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:wasm-6.4-latest
Fetching https://github.com/apple/swift-argument-parser
Fetching https://github.com/SwiftGFX/SwiftMath
[1/972] Fetching swiftmath
[973/19890] Fetching swiftmath, swift-argument-parser
Fetched https://github.com/SwiftGFX/SwiftMath (0.86s)
Fetched https://github.com/apple/swift-argument-parser (0.87s)
Computing version for https://github.com/SwiftGFX/SwiftMath
Computed https://github.com/SwiftGFX/SwiftMath at 3.3.1 (1.13s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 1.8.2 (0.25s)
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': couldn't find pc file for glfw3
Building for debugging...
[Computing dependencies]
[Pre-planning 1 / 476]
[Planning deferred tasks]
In file included from /host/spi-builder-workspace/Sources/CDawnNative/dawn_native.cpp:2:
[1m/host/spi-builder-workspace/Sources/CDawnNative/include/dawn_native.h:1:10: [0m[0;1;31mfatal error: [0m[1m'dawn/webgpu.h' file not found[0m
    1 | #include <dawn/webgpu.h>[0m
      | [0;1;32m         ^~~~~~~~~~~~~~~
[0m1 error generated.
error: CompileC /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-webgpu.build/Debug-webassembly-wasm32/CDawnNative-t.build/Objects-normal/wasm32/dawn_native.o /host/spi-builder-workspace/Sources/CDawnNative/dawn_native.cpp normal wasm32 c++ com.apple.compilers.llvm.clang.1_0.compiler failed with a nonzero exit code. Command line:     cd /host

    Using response file: /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-webgpu.build/Debug-webassembly-wasm32/CDawnNative-t.build/Objects-normal/wasm32/11b881b950eb02e21769317df93e9b41d1d7f0348e4e0901ae810dce93ca1a57-common-args.resp

    /usr/bin/clang -x c++ -target wasm32-unknown-wasip1 -fmessage-length\=0 -fdiagnostics-show-note-include-stack -fmacro-backtrace-limit\=0 -fcolor-diagnostics -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 -Wno-shorten-64-to-32 -Wno-newline-eof -Wno-c++11-extensions -Wno-implicit-fallthrough -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 --sysroot /root/.swiftpm/swift-sdks/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm.artifactbundle/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm/wasm32-unknown-wasip1/WASI.sdk @/host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-webgpu.build/Debug-webassembly-wasm32/CDawnNative-t.build/Objects-normal/wasm32/11b881b950eb02e21769317df93e9b41d1d7f0348e4e0901ae810dce93ca1a57-common-args.resp -MMD -MT dependencies -MF /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-webgpu.build/Debug-webassembly-wasm32/CDawnNative-t.build/Objects-normal/wasm32/dawn_native.d --serialize-diagnostics /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-webgpu.build/Debug-webassembly-wasm32/CDawnNative-t.build/Objects-normal/wasm32/dawn_native.dia -c /host/spi-builder-workspace/Sources/CDawnNative/dawn_native.cpp -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-webgpu.build/Debug-webassembly-wasm32/CDawnNative-t.build/Objects-normal/wasm32/dawn_native.o
error: Build failed
BUILD FAILURE 6.4 wasm