Swift Package Index

Build Information

Failed to build swift-sdk-generator, reference main (bac62b), with Swift 6.4 for Wasm on 15 Oct 2026 23:54:22 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-54344846-0":/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-6.4.0-RELEASE_wasm 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 5.1.3
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/swiftlang/swift-sdk-generator.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/swiftlang/swift-sdk-generator
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at bac62b8 Link the platform abstraction layer implementation by default (#278)
Cloned https://github.com/swiftlang/swift-sdk-generator.git
Revision (git rev-parse @):
bac62b856ac8bcbdc4fc515bc4b4a538043aa242
SUCCESS checkout https://github.com/swiftlang/swift-sdk-generator.git at main
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/swiftlang/swift-sdk-generator.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344846-0":/host -w "$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-6.4.0-RELEASE_wasm 2>&1
wasm-6.4-latest: Pulling from saguaro1/spi-images
Digest: sha256:7a2e5502d3bb6640f9b2bbb1dadf9967024364ce9ed0ed0bd80cf1b699d193fd
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:wasm-6.4-latest
Fetching https://github.com/apple/swift-nio.git
Fetching https://github.com/apple/swift-log.git
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Fetching https://github.com/apple/swift-collections.git
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Computing version for https://github.com/apple/swift-async-algorithms.git
Computed https://github.com/apple/swift-async-algorithms.git at 1.0.1 (3.67s)
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Computing version for https://github.com/apple/swift-algorithms.git
Computed https://github.com/apple/swift-algorithms.git at 1.2.1 (2.44s)
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Computing version for https://github.com/apple/swift-numerics.git
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Computed https://github.com/apple/swift-configuration.git at 1.2.2 (0.19s)
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Computed https://github.com/apple/swift-distributed-tracing.git at 1.7.2 (0.14s)
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Computed https://github.com/apple/swift-async-algorithms.git at 1.0.1 (0.00s)
Computed https://github.com/apple/swift-atomics.git at 1.3.1 (0.00s)
Computed https://github.com/apple/swift-argument-parser at 1.8.2 (0.00s)
Computed https://github.com/apple/swift-collections.git at 1.7.3 (0.00s)
Computed https://github.com/apple/swift-system at 1.8.1 (0.00s)
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Building for debugging...
[Computing dependencies]
[Provisioning 85 / 86]
[Pre-planning 1 / 1765]
[Planning 1213 / 1765]
[Planning 1675 / 1765]
[Planning deferred tasks]
[Constructing 1148 / 4512]
[Starting]
[7 / 1330]
[261 / 1335]
[272 / 1364] Logging
[274 / 1380] NIOConcurrencyHelpers
[280 / 1380] _NIOBase64
[286 / 1380] Instrumentation
[287 / 1380] _NIODataStructures
[294 / 1380] Instrumentation
[309 / 1389] InternalCollectionsUtilities
[309 / 1408] Atomics
[315 / 1417] CryptoBoringWrapper
[315 / 1417] InternalCollectionsUtilities
[327 / 1417] ArgumentParserToolInfo
[328 / 1418] _NIOBase64
[339 / 1418] SystemPackage
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[343 / 1418] CryptoBoringWrapper
[351 / 1419] _NIODataStructures
[361 / 1419] RealModule-product
[366 / 1419] NIOConcurrencyHelpers-product
[374 / 1420] RealModule
[381 / 1421] InternalCollectionsUtilities
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[390 / 1422] SpanPreview
[393 / 1422] Instrumentation
[400 / 1422] CryptoBoringWrapper
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[410 / 1424] Instrumentation
[411 / 1424] Crypto
[416 / 1425] Atomics
[417 / 1425] Atomics
[421 / 1425] ProcessSpawnSync
In file included from /host/spi-builder-workspace/Sources/CProcessSpawnSync/spawner.c:16:
/root/.swiftpm/swift-sdks/swift-6.4.0-RELEASE_wasm.artifactbundle/swift-6.4.0-RELEASE_wasm/wasm32-unknown-wasip1/WASI.sdk/include/wasm32-wasip1/signal.h:2:2: error: "wasm lacks signal support; to enable minimal signal emulation, compile with -D_WASI_EMULATED_SIGNAL and link with -lwasi-emulated-signal"
    2 | #error "wasm lacks signal support; to enable minimal signal emulation, \
      |  ^
/host/spi-builder-workspace/Sources/CProcessSpawnSync/spawner.c:24:10: fatal error: 'sys/wait.h' file not found
   24 | #include <sys/wait.h>
      |          ^~~~~~~~~~~~
2 errors generated.
error: CompileC /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-sdk-generator.build/Debug-webassembly-wasm32/CProcessSpawnSync-t.build/Objects-normal/wasm32/spawner.o /host/spi-builder-workspace/Sources/CProcessSpawnSync/spawner.c 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-sdk-generator.build/Debug-webassembly-wasm32/CProcessSpawnSync-t.build/Objects-normal/wasm32/9f65232cb83f8421e3a495a5062eba382369c975104ee97bafc405ab795bfc5e-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-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 -Wpointer-sign -Wno-newline-eof -Wno-implicit-fallthrough -fstrict-aliasing -Wdeprecated-declarations -Wno-sign-conversion -Wno-infinite-recursion -Wno-comma -Wno-block-capture-autoreleasing -Wno-strict-prototypes -Wno-semicolon-before-method-body --sysroot /root/.swiftpm/swift-sdks/swift-6.4.0-RELEASE_wasm.artifactbundle/swift-6.4.0-RELEASE_wasm/wasm32-unknown-wasip1/WASI.sdk @/host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-sdk-generator.build/Debug-webassembly-wasm32/CProcessSpawnSync-t.build/Objects-normal/wasm32/9f65232cb83f8421e3a495a5062eba382369c975104ee97bafc405ab795bfc5e-common-args.resp -MMD -MT dependencies -MF /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-sdk-generator.build/Debug-webassembly-wasm32/CProcessSpawnSync-t.build/Objects-normal/wasm32/spawner.d --serialize-diagnostics /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-sdk-generator.build/Debug-webassembly-wasm32/CProcessSpawnSync-t.build/Objects-normal/wasm32/spawner.dia -c /host/spi-builder-workspace/Sources/CProcessSpawnSync/spawner.c -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-sdk-generator.build/Debug-webassembly-wasm32/CProcessSpawnSync-t.build/Objects-normal/wasm32/spawner.o
error: Build failed
BUILD FAILURE 6.4 wasm