Swift Package IndexBuild Information
Failed to build swift-sdk-generator, reference main (571909), with Swift 6.3 for Wasm on 24 Apr 2026 05:51:14 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4609320-2":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-latest swift build --swift-sdk swift-6.3-RELEASE_wasm 2>&1Build Log
========================================
RunAll
========================================
Builder version: 4.70.0
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 5719098 Allow merging of multiple Wasm Swift SDKs in a single bundle (#263)
Cloned https://github.com/swiftlang/swift-sdk-generator.git
Revision (git rev-parse @):
57190988c478930fbcee768f6119384e3ad5a0a8
SUCCESS checkout https://github.com/swiftlang/swift-sdk-generator.git at main
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.3
Building package at path: $PWD
https://github.com/swiftlang/swift-sdk-generator.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-2":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-latest swift build --swift-sdk swift-6.3-RELEASE_wasm 2>&1
wasm-6.3-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:d69f4e7582c319245442d62a08b2d7c7fd5a0c0c69f5d2ef11d1530cd8d3329b
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-latest
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warning: couldn't find pc file for sqlite3
warning: couldn't find pc file for sqlite3
[1/1] Compiling plugin GenerateManual
[2/2] Compiling plugin GenerateDoccReference
Building for debugging...
[2/868] Write sources
[23/868] Compiling _CWASI _CWASI.c
In file included from /host/spi-builder-workspace/Sources/CProcessSpawnSync/spawner.c:16:
/root/.swiftpm/swift-sdks/swift-6.3-RELEASE_wasm.artifactbundle/swift-6.3-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.
[24/868] Compiling CProcessSpawnSync spawner.c
[24/868] Compiling _NumericsShims _NumericsShims.c
[24/868] Write sources
[24/868] Compiling _AtomicsShims.c
[24/868] Write swift-version-24593BA9C3E375BF.txt
BUILD FAILURE 6.3 wasm