The Swift Package Index logo.Swift Package Index

Build Information

Failed to build lua4swift, reference v2.0.0 (3c74ee), with Swift 6.1 for Wasm on 19 Sep 2025 06:59:00 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/finestructure/spi-images:wasm-6.1-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.67.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/SwiftyLua/lua4swift.git
Reference: v2.0.0
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/SwiftyLua/lua4swift
 * tag               v2.0.0     -> FETCH_HEAD
HEAD is now at 3c74eee Update Package.swift
Cloned https://github.com/SwiftyLua/lua4swift.git
Revision (git rev-parse @):
3c74eeec954b26e2314dadc8eeae3c5c75040001
SUCCESS checkout https://github.com/SwiftyLua/lua4swift.git at v2.0.0
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/SwiftyLua/lua4swift.git
https://github.com/SwiftyLua/lua4swift.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
    {
      "identity" : "clua",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "5.4.7-patch-1",
            "upper_bound" : "6.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/SwiftyLua/CLua"
    },
    {
      "identity" : "quick",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "7.6.2",
            "upper_bound" : "8.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/Quick/Quick"
    },
    {
      "identity" : "nimble",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "13.7.1",
            "upper_bound" : "14.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/Quick/Nimble"
    }
  ],
  "manifest_display_name" : "lua4swift",
  "name" : "lua4swift",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "lua4swift",
      "targets" : [
        "lua4swift"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "lua4swiftTests",
      "module_type" : "SwiftTarget",
      "name" : "lua4swiftTests",
      "path" : "Tests/lua4swiftTests",
      "product_dependencies" : [
        "Quick",
        "Nimble"
      ],
      "sources" : [
        "Lua_Tests.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "lua4swift"
      ],
      "type" : "test"
    },
    {
      "c99name" : "lua4swift",
      "module_type" : "SwiftTarget",
      "name" : "lua4swift",
      "path" : "Sources/lua4swift",
      "product_dependencies" : [
        "CLua"
      ],
      "product_memberships" : [
        "lua4swift"
      ],
      "sources" : [
        "Boolean.swift",
        "Function.swift",
        "Nil.swift",
        "Number.swift",
        "String.swift",
        "Table.swift",
        "Thread.swift",
        "Userdata.swift",
        "Value.swift",
        "VirtualMachine.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/finestructure/spi-images:wasm-6.1-latest swift build --swift-sdk wasm32-unknown-wasi -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats 2>&1
wasm-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:eb0758f51dbd6991fb9e51dedbfbcbec142ffc0d3b9b8ad91fa19d35e5136f0a
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:wasm-6.1-latest
Fetching https://github.com/SwiftyLua/CLua
Fetching https://github.com/Quick/Nimble
Fetching https://github.com/Quick/Quick
[1/207] Fetching clua
[208/15052] Fetching clua, quick
Fetched https://github.com/SwiftyLua/CLua from cache (0.29s)
[1188/14845] Fetching quick
[2228/34507] Fetching quick, nimble
Fetched https://github.com/Quick/Quick from cache (1.43s)
Fetched https://github.com/Quick/Nimble from cache (1.45s)
Computing version for https://github.com/Quick/Nimble
Computed https://github.com/Quick/Nimble at 13.7.1 (1.97s)
Fetching https://github.com/mattgallagher/CwlPreconditionTesting.git
[1/1257] Fetching cwlpreconditiontesting
Fetched https://github.com/mattgallagher/CwlPreconditionTesting.git from cache (0.94s)
Computing version for https://github.com/Quick/Quick
Computed https://github.com/Quick/Quick at 7.6.2 (2.23s)
Fetching https://github.com/apple/swift-argument-parser.git
Fetching https://github.com/apple/swift-algorithms.git
[1/16294] Fetching swift-argument-parser
[653/22280] Fetching swift-argument-parser, swift-algorithms
Fetched https://github.com/apple/swift-algorithms.git from cache (0.45s)
[14176/16294] Fetching swift-argument-parser
Fetched https://github.com/apple/swift-argument-parser.git from cache (0.69s)
Computing version for https://github.com/apple/swift-algorithms.git
Computed https://github.com/apple/swift-algorithms.git at 1.2.1 (2.61s)
Fetching https://github.com/apple/swift-numerics.git
[1/6359] Fetching swift-numerics
Fetched https://github.com/apple/swift-numerics.git from cache (0.81s)
Computing version for https://github.com/mattgallagher/CwlPreconditionTesting.git
Computed https://github.com/mattgallagher/CwlPreconditionTesting.git at 2.2.2 (1.58s)
Fetching https://github.com/mattgallagher/CwlCatchException.git
[1/460] Fetching cwlcatchexception
Fetched https://github.com/mattgallagher/CwlCatchException.git from cache (0.27s)
Computing version for https://github.com/mattgallagher/CwlCatchException.git
Computed https://github.com/mattgallagher/CwlCatchException.git at 2.2.1 (0.89s)
Computing version for https://github.com/apple/swift-numerics.git
Computed https://github.com/apple/swift-numerics.git at 1.1.0 (0.70s)
Computing version for https://github.com/apple/swift-argument-parser.git
Computed https://github.com/apple/swift-argument-parser.git at 1.6.1 (0.57s)
Computing version for https://github.com/SwiftyLua/CLua
Computed https://github.com/SwiftyLua/CLua at 5.4.7 (1.72s)
Creating working copy for https://github.com/Quick/Nimble
Working copy of https://github.com/Quick/Nimble resolved at 13.7.1
Creating working copy for https://github.com/apple/swift-numerics.git
Working copy of https://github.com/apple/swift-numerics.git resolved at 1.1.0
Creating working copy for https://github.com/Quick/Quick
Working copy of https://github.com/Quick/Quick resolved at 7.6.2
Creating working copy for https://github.com/mattgallagher/CwlPreconditionTesting.git
Working copy of https://github.com/mattgallagher/CwlPreconditionTesting.git resolved at 2.2.2
Creating working copy for https://github.com/apple/swift-argument-parser.git
Working copy of https://github.com/apple/swift-argument-parser.git resolved at 1.6.1
Creating working copy for https://github.com/mattgallagher/CwlCatchException.git
Working copy of https://github.com/mattgallagher/CwlCatchException.git resolved at 2.2.1
Creating working copy for https://github.com/apple/swift-algorithms.git
Working copy of https://github.com/apple/swift-algorithms.git resolved at 1.2.1
Creating working copy for https://github.com/SwiftyLua/CLua
Working copy of https://github.com/SwiftyLua/CLua resolved at 5.4.7
warning: 'nimble': found 1 file(s) which are unhandled; explicitly declare them as resources or exclude from the target
    /host/spi-builder-workspace/.build/checkouts/Nimble/Sources/Nimble/PrivacyInfo.xcprivacy
warning: 'quick': found 1 file(s) which are unhandled; explicitly declare them as resources or exclude from the target
    /host/spi-builder-workspace/.build/checkouts/Quick/Sources/Quick/PrivacyInfo.xcprivacy
[1/1] Compiling plugin LintCommandPlugin
[2/2] Compiling plugin LintWarning
[3/3] Compiling plugin LintError
[4/4] Compiling plugin DefocusCommandPlugin
[5/5] Compiling plugin GenerateManual
[6/6] Compiling plugin GenerateDoccReference
Building for debugging...
[6/43] Write sources
[7/43] Compiling CLua lcorolib.c
In file included from /host/spi-builder-workspace/.build/checkouts/CLua/Sources/CLua/lzio.c:19:
In file included from /host/spi-builder-workspace/.build/checkouts/CLua/Sources/CLua/include/lstate.h:130:
/root/.swiftpm/swift-sdks/swift-wasm-6.1-RELEASE-wasm32-unknown-wasi.artifactbundle/6.1-RELEASE-wasm32-unknown-wasi/wasm32-unknown-wasi/WASI.sdk/include/wasm32-wasi/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/.build/checkouts/CLua/Sources/CLua/lzio.c:19:
/host/spi-builder-workspace/.build/checkouts/CLua/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/.build/checkouts/CLua/Sources/CLua/include/lstate.h:131:19: note: expanded from macro 'l_signalT'
  131 | #define l_signalT       sig_atomic_t
      |                         ^
/host/spi-builder-workspace/.build/checkouts/CLua/Sources/CLua/include/lstate.h:331:12: error: unknown type name 'sig_atomic_t'
  331 |   volatile l_signalT hookmask;
      |            ^
/host/spi-builder-workspace/.build/checkouts/CLua/Sources/CLua/include/lstate.h:131:19: note: expanded from macro 'l_signalT'
  131 | #define l_signalT       sig_atomic_t
      |                         ^
3 errors generated.
[8/43] Compiling CLua lzio.c
[8/43] Compiling CLua lctype.c
[8/43] Compiling CLua lvm.c
In file included from /host/spi-builder-workspace/.build/checkouts/CLua/Sources/CLua/lapi.c:19:
In file included from /host/spi-builder-workspace/.build/checkouts/CLua/Sources/CLua/include/lapi.h:12:
In file included from /host/spi-builder-workspace/.build/checkouts/CLua/Sources/CLua/include/lstate.h:130:
/root/.swiftpm/swift-sdks/swift-wasm-6.1-RELEASE-wasm32-unknown-wasi.artifactbundle/6.1-RELEASE-wasm32-unknown-wasi/wasm32-unknown-wasi/WASI.sdk/include/wasm32-wasi/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/.build/checkouts/CLua/Sources/CLua/lapi.c:19:
In file included from /host/spi-builder-workspace/.build/checkouts/CLua/Sources/CLua/include/lapi.h:12:
/host/spi-builder-workspace/.build/checkouts/CLua/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/.build/checkouts/CLua/Sources/CLua/include/lstate.h:131:19: note: expanded from macro 'l_signalT'
  131 | #define l_signalT       sig_atomic_t
      |                         ^
/host/spi-builder-workspace/.build/checkouts/CLua/Sources/CLua/include/lstate.h:331:12: error: unknown type name 'sig_atomic_t'
  331 |   volatile l_signalT hookmask;
      |            ^
/host/spi-builder-workspace/.build/checkouts/CLua/Sources/CLua/include/lstate.h:131:19: note: expanded from macro 'l_signalT'
  131 | #define l_signalT       sig_atomic_t
      |                         ^
[8/43] Compiling CLua lapi.c
[8/43] Compiling CLua lauxlib.c
In file included from /host/spi-builder-workspace/.build/checkouts/CLua/Sources/CLua/lcode.c:21:
In file included from /host/spi-builder-workspace/.build/checkouts/CLua/Sources/CLua/include/ldebug.h:11:
In file included from /host/spi-builder-workspace/.build/checkouts/CLua/Sources/CLua/include/lstate.h:130:
/root/.swiftpm/swift-sdks/swift-wasm-6.1-RELEASE-wasm32-unknown-wasi.artifactbundle/6.1-RELEASE-wasm32-unknown-wasi/wasm32-unknown-wasi/WASI.sdk/include/wasm32-wasi/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/.build/checkouts/CLua/Sources/CLua/lcode.c:21:
In file included from /host/spi-builder-workspace/.build/checkouts/CLua/Sources/CLua/include/ldebug.h:11:
/host/spi-builder-workspace/.build/checkouts/CLua/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/.build/checkouts/CLua/Sources/CLua/include/lstate.h:131:19: note: expanded from macro 'l_signalT'
  131 | #define l_signalT       sig_atomic_t
      |                         ^
/host/spi-builder-workspace/.build/checkouts/CLua/Sources/CLua/include/lstate.h:331:12: error: unknown type name 'sig_atomic_t'
  331 |   volatile l_signalT hookmask;
      |            ^
/host/spi-builder-workspace/.build/checkouts/CLua/Sources/CLua/include/lstate.h:131:19: note: expanded from macro 'l_signalT'
  131 | #define l_signalT       sig_atomic_t
      |                         ^
[8/43] Compiling CLua lcode.c
[8/43] Compiling CLua lbaselib.c
[8/43] Write swift-version-24593BA9C3E375BF.txt
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/finestructure/spi-images:wasm-6.1-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1
wasm-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:eb0758f51dbd6991fb9e51dedbfbcbec142ffc0d3b9b8ad91fa19d35e5136f0a
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:wasm-6.1-latest
warning: 'nimble': found 1 file(s) which are unhandled; explicitly declare them as resources or exclude from the target
    /host/spi-builder-workspace/.build/checkouts/Nimble/Sources/Nimble/PrivacyInfo.xcprivacy
warning: 'quick': found 1 file(s) which are unhandled; explicitly declare them as resources or exclude from the target
    /host/spi-builder-workspace/.build/checkouts/Quick/Sources/Quick/PrivacyInfo.xcprivacy
[0/1] Planning build
[1/1] Compiling plugin LintCommandPlugin
[2/2] Compiling plugin LintWarning
[3/3] Compiling plugin LintError
[4/4] Compiling plugin DefocusCommandPlugin
[5/5] Compiling plugin GenerateManual
[6/6] Compiling plugin GenerateDoccReference
Building for debugging...
In file included from /host/spi-builder-workspace/.build/checkouts/CLua/Sources/CLua/lzio.c:19:
In file included from /host/spi-builder-workspace/.build/checkouts/CLua/Sources/CLua/include/lstate.h:130:
/root/.swiftpm/swift-sdks/swift-wasm-6.1-RELEASE-wasm32-unknown-wasi.artifactbundle/6.1-RELEASE-wasm32-unknown-wasi/wasm32-unknown-wasi/WASI.sdk/include/wasm32-wasi/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/.build/checkouts/CLua/Sources/CLua/lzio.c:19:
/host/spi-builder-workspace/.build/checkouts/CLua/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/.build/checkouts/CLua/Sources/CLua/include/lstate.h:131:19: note: expanded from macro 'l_signalT'
  131 | #define l_signalT       sig_atomic_t
      |                         ^
/host/spi-builder-workspace/.build/checkouts/CLua/Sources/CLua/include/lstate.h:331:12: error: unknown type name 'sig_atomic_t'
  331 |   volatile l_signalT hookmask;
      |            ^
/host/spi-builder-workspace/.build/checkouts/CLua/Sources/CLua/include/lstate.h:131:19: note: expanded from macro 'l_signalT'
  131 | #define l_signalT       sig_atomic_t
      |                         ^
3 errors generated.
[6/41] Compiling CLua lzio.c
In file included from /host/spi-builder-workspace/.build/checkouts/CLua/Sources/CLua/ltm.c:17:
In file included from /host/spi-builder-workspace/.build/checkouts/CLua/Sources/CLua/include/ldebug.h:11:
In file included from /host/spi-builder-workspace/.build/checkouts/CLua/Sources/CLua/include/lstate.h:130:
/root/.swiftpm/swift-sdks/swift-wasm-6.1-RELEASE-wasm32-unknown-wasi.artifactbundle/6.1-RELEASE-wasm32-unknown-wasi/wasm32-unknown-wasi/WASI.sdk/include/wasm32-wasi/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/.build/checkouts/CLua/Sources/CLua/ltm.c:17:
In file included from /host/spi-builder-workspace/.build/checkouts/CLua/Sources/CLua/include/ldebug.h:11:
/host/spi-builder-workspace/.build/checkouts/CLua/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/.build/checkouts/CLua/Sources/CLua/include/lstate.h:131:19: note: expanded from macro 'l_signalT'
  131 | #define l_signalT       sig_atomic_t
      |                         ^
/host/spi-builder-workspace/.build/checkouts/CLua/Sources/CLua/include/lstate.h:331:12: error: unknown type name 'sig_atomic_t'
  331 |   volatile l_signalT hookmask;
      |            ^
/host/spi-builder-workspace/.build/checkouts/CLua/Sources/CLua/include/lstate.h:131:19: note: expanded from macro 'l_signalT'
  131 | #define l_signalT       sig_atomic_t
      |                         ^
3 errors generated.
[6/41] Compiling CLua ltm.c
[6/41] Compiling CLua ltablib.c
In file included from /host/spi-builder-workspace/.build/checkouts/CLua/Sources/CLua/lundump.c:18:
In file included from /host/spi-builder-workspace/.build/checkouts/CLua/Sources/CLua/include/ldebug.h:11:
In file included from /host/spi-builder-workspace/.build/checkouts/CLua/Sources/CLua/include/lstate.h:130:
/root/.swiftpm/swift-sdks/swift-wasm-6.1-RELEASE-wasm32-unknown-wasi.artifactbundle/6.1-RELEASE-wasm32-unknown-wasi/wasm32-unknown-wasi/WASI.sdk/include/wasm32-wasi/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/.build/checkouts/CLua/Sources/CLua/lundump.c:18:
In file included from /host/spi-builder-workspace/.build/checkouts/CLua/Sources/CLua/include/ldebug.h:11:
/host/spi-builder-workspace/.build/checkouts/CLua/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/.build/checkouts/CLua/Sources/CLua/include/lstate.h:131:19: note: expanded from macro 'l_signalT'
  131 | #define l_signalT       sig_atomic_t
      |                         ^
/host/spi-builder-workspace/.build/checkouts/CLua/Sources/CLua/include/lstate.h:331:12: error: unknown type name 'sig_atomic_t'
  331 |   volatile l_signalT hookmask;
      |            ^
/host/spi-builder-workspace/.build/checkouts/CLua/Sources/CLua/include/lstate.h:131:19: note: expanded from macro 'l_signalT'
  131 | #define l_signalT       sig_atomic_t
      |                         ^
[6/41] Compiling CLua lundump.c
[6/41] Compiling CLua ltests.c
In file included from /host/spi-builder-workspace/.build/checkouts/CLua/Sources/CLua/lvm.c:21:
In file included from /host/spi-builder-workspace/.build/checkouts/CLua/Sources/CLua/include/ldebug.h:11:
In file included from /host/spi-builder-workspace/.build/checkouts/CLua/Sources/CLua/include/lstate.h:130:
/root/.swiftpm/swift-sdks/swift-wasm-6.1-RELEASE-wasm32-unknown-wasi.artifactbundle/6.1-RELEASE-wasm32-unknown-wasi/wasm32-unknown-wasi/WASI.sdk/include/wasm32-wasi/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/.build/checkouts/CLua/Sources/CLua/lvm.c:21:
In file included from /host/spi-builder-workspace/.build/checkouts/CLua/Sources/CLua/include/ldebug.h:11:
/host/spi-builder-workspace/.build/checkouts/CLua/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/.build/checkouts/CLua/Sources/CLua/include/lstate.h:131:19: note: expanded from macro 'l_signalT'
  131 | #define l_signalT       sig_atomic_t
      |                         ^
/host/spi-builder-workspace/.build/checkouts/CLua/Sources/CLua/include/lstate.h:331:12: error: unknown type name 'sig_atomic_t'
  331 |   volatile l_signalT hookmask;
      |            ^
/host/spi-builder-workspace/.build/checkouts/CLua/Sources/CLua/include/lstate.h:131:19: note: expanded from macro 'l_signalT'
  131 | #define l_signalT       sig_atomic_t
      |                         ^
[6/41] Compiling CLua lvm.c
[6/41] Compiling CLua lutf8lib.c
[6/41] Write swift-version-24593BA9C3E375BF.txt
BUILD FAILURE 6.1 wasm