Swift Package Index

Build Information

Failed to build LuaSwift, reference main (3d2cad), with Swift 6.4 for Wasm on 25 Sep 2026 18:20:00 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/ChrisGVE/LuaSwift.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/ChrisGVE/LuaSwift
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 3d2cad7 merge: LuaSwift 1.12.4 (dev → main)
Cloned https://github.com/ChrisGVE/LuaSwift.git
Revision (git rev-parse @):
3d2cad75846a21bba1eacdfed527a8dfda24d605
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/ChrisGVE/LuaSwift.git at main
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/ChrisGVE/LuaSwift.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344845-1":/host -w "$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-docc-plugin
Fetching https://github.com/apple/swift-atomics.git
Fetching https://github.com/jpsim/Yams.git
[1/1885] Fetching swift-atomics
[209/4230] Fetching swift-atomics, swift-docc-plugin
[3012/16091] Fetching swift-atomics, swift-docc-plugin, yams
Fetched https://github.com/apple/swift-docc-plugin (0.62s)
[2716/13746] Fetching swift-atomics, yams
Fetched https://github.com/apple/swift-atomics.git (1.34s)
Fetched https://github.com/jpsim/Yams.git (1.35s)
Computing version for https://github.com/apple/swift-atomics.git
Computed https://github.com/apple/swift-atomics.git at 1.3.1 (1.57s)
Computing version for https://github.com/apple/swift-docc-plugin
Computed https://github.com/apple/swift-docc-plugin at 1.5.0 (0.22s)
Fetching https://github.com/swiftlang/swift-docc-symbolkit
[1/3830] Fetching swift-docc-symbolkit
Fetched https://github.com/swiftlang/swift-docc-symbolkit (0.59s)
Computing version for https://github.com/swiftlang/swift-docc-symbolkit
Computed https://github.com/swiftlang/swift-docc-symbolkit at 1.0.0 (0.81s)
Computing version for https://github.com/jpsim/Yams.git
Computed https://github.com/jpsim/Yams.git at 5.4.0 (0.18s)
Creating working copy for https://github.com/apple/swift-atomics.git
Working copy of https://github.com/apple/swift-atomics.git resolved at 1.3.1
Creating working copy for https://github.com/jpsim/Yams.git
Working copy of https://github.com/jpsim/Yams.git resolved at 5.4.0
Creating working copy for https://github.com/apple/swift-docc-plugin
Working copy of https://github.com/apple/swift-docc-plugin resolved at 1.5.0
Creating working copy for https://github.com/swiftlang/swift-docc-symbolkit
Working copy of https://github.com/swiftlang/swift-docc-symbolkit resolved at 1.0.0
Building for debugging...
[Provisioning 1 / 10]
[Pre-planning 1 / 216]
[Planning deferred tasks]
[11 / 94] Yams
[40 / 96] CYaml
In file included from /host/spi-builder-workspace/Sources/CLua/lzio.c:19:
In file included from /host/spi-builder-workspace/Sources/CLua/include/lstate.h:130:
/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/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, \
      |  ^
In file included from /host/spi-builder-workspace/Sources/CLua/lzio.c:19:
/host/spi-builder-workspace/Sources/CLua/include/lstate.h:184:16: error: unknown type name 'sig_atomic_t'
  184 |       volatile l_signalT trap;  /* function is tracing lines/counts */
      |                ^
/host/spi-builder-workspace/Sources/CLua/include/lstate.h:131:19: note: expanded from macro 'l_signalT'
  131 | #define l_signalT       sig_atomic_t
      |                         ^
/host/spi-builder-workspace/Sources/CLua/include/lstate.h:331:12: error: unknown type name 'sig_atomic_t'
  331 |   volatile l_signalT hookmask;
      |            ^
/host/spi-builder-workspace/Sources/CLua/include/lstate.h:131:19: note: expanded from macro 'l_signalT'
  131 | #define l_signalT       sig_atomic_t
      |                         ^
3 errors generated.
error: CompileC /host/spi-builder-workspace/.build/out/Intermediates.noindex/LuaSwift.build/Debug-webassembly-wasm32/CLua-t.build/Objects-normal/wasm32/lzio.o /host/spi-builder-workspace/Sources/CLua/lzio.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/LuaSwift.build/Debug-webassembly-wasm32/CLua-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.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/LuaSwift.build/Debug-webassembly-wasm32/CLua-t.build/Objects-normal/wasm32/9f65232cb83f8421e3a495a5062eba382369c975104ee97bafc405ab795bfc5e-common-args.resp -MMD -MT dependencies -MF /host/spi-builder-workspace/.build/out/Intermediates.noindex/LuaSwift.build/Debug-webassembly-wasm32/CLua-t.build/Objects-normal/wasm32/lzio.d --serialize-diagnostics /host/spi-builder-workspace/.build/out/Intermediates.noindex/LuaSwift.build/Debug-webassembly-wasm32/CLua-t.build/Objects-normal/wasm32/lzio.dia -c /host/spi-builder-workspace/Sources/CLua/lzio.c -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/LuaSwift.build/Debug-webassembly-wasm32/CLua-t.build/Objects-normal/wasm32/lzio.o
error: Build failed
BUILD FAILURE 6.4 wasm