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Build Information

Failed to build SwiftSlash, reference 4.0.1 (34241d), with Swift 6.1 for Wasm on 10 Sep 2025 00:05:51 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/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/tannerdsilva/SwiftSlash.git
Reference: 4.0.1
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/tannerdsilva/SwiftSlash
 * tag               4.0.1      -> FETCH_HEAD
HEAD is now at 34241d5 improved cpu efficiency
Cloned https://github.com/tannerdsilva/SwiftSlash.git
Revision (git rev-parse @):
34241d583423136a89f8ef8d91c72edfbab10e08
SUCCESS checkout https://github.com/tannerdsilva/SwiftSlash.git at 4.0.1
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/tannerdsilva/SwiftSlash.git
https://github.com/tannerdsilva/SwiftSlash.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "c_language_standard" : "c11",
  "dependencies" : [
  ],
  "manifest_display_name" : "SwiftSlash",
  "name" : "SwiftSlash",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "15.0"
    }
  ],
  "products" : [
    {
      "name" : "SwiftSlash",
      "targets" : [
        "SwiftSlash"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "__cswiftslash_types",
      "module_type" : "ClangTarget",
      "name" : "__cswiftslash_types",
      "path" : "Sources/__cswiftslash_types",
      "product_memberships" : [
        "SwiftSlash"
      ],
      "sources" : [
        "__cswiftslash_types.c"
      ],
      "type" : "library"
    },
    {
      "c99name" : "__cswiftslash_threads",
      "module_type" : "ClangTarget",
      "name" : "__cswiftslash_threads",
      "path" : "Sources/__cswiftslash_threads",
      "product_memberships" : [
        "SwiftSlash"
      ],
      "sources" : [
        "__cswiftslash_threads.c"
      ],
      "target_dependencies" : [
        "__cswiftslash_types"
      ],
      "type" : "library"
    },
    {
      "c99name" : "__cswiftslash_posix_helpers",
      "module_type" : "ClangTarget",
      "name" : "__cswiftslash_posix_helpers",
      "path" : "Sources/__cswiftslash_posix_helpers",
      "product_memberships" : [
        "SwiftSlash"
      ],
      "sources" : [
        "__cswiftslash_posix_helpers.c"
      ],
      "type" : "library"
    },
    {
      "c99name" : "__cswiftslash_identified_list",
      "module_type" : "ClangTarget",
      "name" : "__cswiftslash_identified_list",
      "path" : "Sources/__cswiftslash_identified_list",
      "product_memberships" : [
        "SwiftSlash"
      ],
      "sources" : [
        "__cswiftslash_identified_list.c"
      ],
      "target_dependencies" : [
        "__cswiftslash_types"
      ],
      "type" : "library"
    },
    {
      "c99name" : "__cswiftslash_future",
      "module_type" : "ClangTarget",
      "name" : "__cswiftslash_future",
      "path" : "Sources/__cswiftslash_future",
      "product_memberships" : [
        "SwiftSlash"
      ],
      "sources" : [
        "__cswiftslash_future.c"
      ],
      "target_dependencies" : [
        "__cswiftslash_identified_list",
        "__cswiftslash_types"
      ],
      "type" : "library"
    },
    {
      "c99name" : "__cswiftslash_fifo",
      "module_type" : "ClangTarget",
      "name" : "__cswiftslash_fifo",
      "path" : "Sources/__cswiftslash_fifo",
      "product_memberships" : [
        "SwiftSlash"
      ],
      "sources" : [
        "__cswiftslash_fifo.c"
      ],
      "target_dependencies" : [
        "__cswiftslash_types"
      ],
      "type" : "library"
    },
    {
      "c99name" : "__cswiftslash_eventtrigger",
      "module_type" : "ClangTarget",
      "name" : "__cswiftslash_eventtrigger",
      "path" : "Sources/__cswiftslash_eventtrigger",
      "product_memberships" : [
        "SwiftSlash"
      ],
      "sources" : [
        "__cswiftslash_eventtrigger.c"
      ],
      "type" : "library"
    },
    {
      "c99name" : "SwiftSlashPThread",
      "module_type" : "SwiftTarget",
      "name" : "SwiftSlashPThread",
      "path" : "Sources/SwiftSlashPThread",
      "product_memberships" : [
        "SwiftSlash"
      ],
      "sources" : [
        "GenericPThread.swift",
        "PThread.swift",
        "PThreadErrors.swift",
        "Workspace.swift"
      ],
      "target_dependencies" : [
        "__cswiftslash_threads",
        "SwiftSlashContained",
        "SwiftSlashFuture"
      ],
      "type" : "library"
    },
    {
      "c99name" : "SwiftSlashInternalTests",
      "module_type" : "SwiftTarget",
      "name" : "SwiftSlashInternalTests",
      "path" : "Tests/SwiftSlashInternalTests",
      "sources" : [
        "SwiftSlash/EventTriggerTests.swift",
        "SwiftSlash/FIFOTests.swift",
        "SwiftSlash/FutureTests.swift",
        "SwiftSlash/IdentifiedListTests.swift",
        "SwiftSlash/LineParserTests.swift",
        "SwiftSlash/NAsyncStream.swift",
        "SwiftSlash/PThreadTests.swift",
        "SwiftSlash/SwiftSlashProcessTests.swift",
        "SwiftSlash/WhenDeinitTool.swift",
        "SwiftSlashTests.swift",
        "__cswiftslash/__cswiftslash_fifo_tests.swift",
        "__cswiftslash/__cswiftslash_future_tests.swift",
        "__cswiftslash/__cswiftslash_identified_list_tests.swift",
        "__cswiftslash/__cswiftslash_threads_tests.swift",
        "__cswiftslash_tests.swift"
      ],
      "target_dependencies" : [
        "__cswiftslash_fifo",
        "__cswiftslash_future",
        "__cswiftslash_types",
        "__cswiftslash_threads",
        "__cswiftslash_eventtrigger",
        "__cswiftslash_identified_list",
        "SwiftSlashFuture",
        "SwiftSlashContained",
        "SwiftSlashPThread",
        "SwiftSlashFIFO",
        "SwiftSlashEventTrigger",
        "SwiftSlash"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SwiftSlashGlobalSerialization",
      "module_type" : "SwiftTarget",
      "name" : "SwiftSlashGlobalSerialization",
      "path" : "Sources/SwiftSlashGlobalSerialization",
      "product_memberships" : [
        "SwiftSlash"
      ],
      "sources" : [
        "GlobalSerialization.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "SwiftSlashFuture",
      "module_type" : "SwiftTarget",
      "name" : "SwiftSlashFuture",
      "path" : "Sources/SwiftSlashFuture",
      "product_memberships" : [
        "SwiftSlash"
      ],
      "sources" : [
        "Future.swift",
        "FutureAsync.swift",
        "FutureCHandlers.swift",
        "FutureSync.swift"
      ],
      "target_dependencies" : [
        "__cswiftslash_future",
        "SwiftSlashContained"
      ],
      "type" : "library"
    },
    {
      "c99name" : "SwiftSlashFIFO",
      "module_type" : "SwiftTarget",
      "name" : "SwiftSlashFIFO",
      "path" : "Sources/SwiftSlashFIFO",
      "product_memberships" : [
        "SwiftSlash"
      ],
      "sources" : [
        "FIFO.swift"
      ],
      "target_dependencies" : [
        "__cswiftslash_fifo",
        "SwiftSlashContained"
      ],
      "type" : "library"
    },
    {
      "c99name" : "SwiftSlashFHHelpers",
      "module_type" : "SwiftTarget",
      "name" : "SwiftSlashFHHelpers",
      "path" : "Sources/SwiftSlashFHHelpers",
      "product_memberships" : [
        "SwiftSlash"
      ],
      "sources" : [
        "FHHelpers.swift",
        "FileHandleError.swift",
        "PosixPipe.swift",
        "SystemErrno.swift"
      ],
      "target_dependencies" : [
        "__cswiftslash_posix_helpers"
      ],
      "type" : "library"
    },
    {
      "c99name" : "SwiftSlashEventTrigger",
      "module_type" : "SwiftTarget",
      "name" : "SwiftSlashEventTrigger",
      "path" : "Sources/SwiftSlashEventTrigger",
      "product_memberships" : [
        "SwiftSlash"
      ],
      "sources" : [
        "EventTrigger.swift",
        "EventTriggerEngine.swift",
        "EventTriggerErrors.swift",
        "EventTriggerRegister.swift",
        "EventTriggerSetup.swift",
        "Platforms/LinuxEventTrigger.swift",
        "Platforms/MacOSETImpl.swift"
      ],
      "target_dependencies" : [
        "__cswiftslash_eventtrigger",
        "SwiftSlashPThread",
        "SwiftSlashFIFO",
        "SwiftSlashFHHelpers"
      ],
      "type" : "library"
    },
    {
      "c99name" : "SwiftSlashContained",
      "module_type" : "SwiftTarget",
      "name" : "SwiftSlashContained",
      "path" : "Sources/SwiftSlashContained",
      "product_memberships" : [
        "SwiftSlash"
      ],
      "sources" : [
        "Contained.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "SwiftSlash",
      "module_type" : "SwiftTarget",
      "name" : "SwiftSlash",
      "path" : "Sources/SwiftSlash",
      "product_memberships" : [
        "SwiftSlash"
      ],
      "sources" : [
        "Child Process/Errors.swift",
        "Child Process/ProcessInterface.swift",
        "CurrentEnvironment.swift",
        "DataChannel.swift",
        "Essentials/Command.swift",
        "Essentials/Path.swift",
        "LineParser.swift",
        "Logistics.swift",
        "LogisticsTest.swift",
        "WriteStepper.swift"
      ],
      "target_dependencies" : [
        "SwiftSlashPThread",
        "SwiftSlashFuture",
        "SwiftSlashFIFO",
        "SwiftSlashFHHelpers",
        "SwiftSlashEventTrigger",
        "SwiftSlashGlobalSerialization"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/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
Building for debugging...
In file included from /host/spi-builder-workspace/Sources/__cswiftslash_eventtrigger/__cswiftslash_eventtrigger.c:12:
/host/spi-builder-workspace/Sources/__cswiftslash_eventtrigger/__cswiftslash_eventtrigger.h:16:10: fatal error: 'sys/wait.h' file not found
   16 | #include <sys/wait.h>
      |          ^~~~~~~~~~~~
1 error generated.
[0/16] Compiling __cswiftslash_eventtrigger __cswiftslash_eventtrigger.c
[0/16] Compiling __cswiftslash_posix_helpers __cswiftslash_posix_helpers.c
In file included from /host/spi-builder-workspace/Sources/__cswiftslash_fifo/__cswiftslash_fifo.c:12:
/host/spi-builder-workspace/Sources/__cswiftslash_fifo/__cswiftslash_fifo.h:17:10: fatal error: 'pthread.h' file not found
   17 | #include <pthread.h>
      |          ^~~~~~~~~~~
[0/16] Compiling __cswiftslash_fifo __cswiftslash_fifo.c
In file included from /host/spi-builder-workspace/Sources/__cswiftslash_identified_list/__cswiftslash_identified_list.c:12:
/host/spi-builder-workspace/Sources/__cswiftslash_identified_list/__cswiftslash_identified_list.h:17:10: fatal error: 'pthread.h' file not found
   17 | #include <pthread.h>
      |          ^~~~~~~~~~~
[0/16] Compiling __cswiftslash_identified_list __cswiftslash_identified_list.c
In file included from /host/spi-builder-workspace/Sources/__cswiftslash_future/__cswiftslash_future.c:12:
/host/spi-builder-workspace/Sources/__cswiftslash_future/__cswiftslash_future.h:17:10: fatal error: 'pthread.h' file not found
   17 | #include <pthread.h>
      |          ^~~~~~~~~~~
[0/16] Compiling __cswiftslash_future __cswiftslash_future.c
In file included from /host/spi-builder-workspace/Sources/__cswiftslash_threads/__cswiftslash_threads.c:12:
/host/spi-builder-workspace/Sources/__cswiftslash_threads/__cswiftslash_threads.h:16:10: fatal error: 'pthread.h' file not found
   16 | #include <pthread.h>
      |          ^~~~~~~~~~~
[0/16] Compiling __cswiftslash_threads __cswiftslash_threads.c
[0/16] Compiling __cswiftslash_types __cswiftslash_types.c
[0/16] Write swift-version-24593BA9C3E375BF.txt
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/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
[0/1] Planning build
Building for debugging...
[0/16] Write sources
In file included from /host/spi-builder-workspace/Sources/__cswiftslash_threads/__cswiftslash_threads.c:12:
/host/spi-builder-workspace/Sources/__cswiftslash_threads/__cswiftslash_threads.h:16:10: fatal error: 'pthread.h' file not found
   16 | #include <pthread.h>
      |          ^~~~~~~~~~~
1 error generated.
[7/16] Compiling __cswiftslash_threads __cswiftslash_threads.c
In file included from /host/spi-builder-workspace/Sources/__cswiftslash_posix_helpers/__cswiftslash_posix_helpers.c:12:
In file included from /host/spi-builder-workspace/Sources/__cswiftslash_posix_helpers/__cswiftslash_posix_helpers.h:25:
/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, \
      |  ^
/host/spi-builder-workspace/Sources/__cswiftslash_posix_helpers/__cswiftslash_posix_helpers.c:17:9: error: call to undeclared function 'fork'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
   17 |         return fork();
      |                ^
/host/spi-builder-workspace/Sources/__cswiftslash_posix_helpers/__cswiftslash_posix_helpers.c:36:9: error: call to undeclared function 'execvp'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
   36 |         return execvp(file, argv);
      |                ^
[7/16] Compiling __cswiftslash_posix_helpers __cswiftslash_posix_helpers.c
In file included from /host/spi-builder-workspace/Sources/__cswiftslash_fifo/__cswiftslash_fifo.c:12:
/host/spi-builder-workspace/Sources/__cswiftslash_fifo/__cswiftslash_fifo.h:17:10: fatal error: 'pthread.h' file not found
   17 | #include <pthread.h>
      |          ^~~~~~~~~~~
[7/16] Compiling __cswiftslash_fifo __cswiftslash_fifo.c
In file included from /host/spi-builder-workspace/Sources/__cswiftslash_future/__cswiftslash_future.c:12:
/host/spi-builder-workspace/Sources/__cswiftslash_future/__cswiftslash_future.h:17:10: fatal error: 'pthread.h' file not found
   17 | #include <pthread.h>
      |          ^~~~~~~~~~~
[7/16] Compiling __cswiftslash_future __cswiftslash_future.c
In file included from /host/spi-builder-workspace/Sources/__cswiftslash_identified_list/__cswiftslash_identified_list.c:12:
/host/spi-builder-workspace/Sources/__cswiftslash_identified_list/__cswiftslash_identified_list.h:17:10: fatal error: 'pthread.h' file not found
   17 | #include <pthread.h>
      |          ^~~~~~~~~~~
1 error generated.
[7/16] Compiling __cswiftslash_identified_list __cswiftslash_identified_list.c
[7/16] Compiling __cswiftslash_eventtrigger __cswiftslash_eventtrigger.c
[7/16] Compiling __cswiftslash_types __cswiftslash_types.c
[7/16] Write swift-version-24593BA9C3E375BF.txt
BUILD FAILURE 6.1 wasm