Swift Package Index

Build Information

Failed to build SwiftDjot, reference main (56fb0d), with Swift 6.3 for Wasm on 21 Apr 2026 13:09:54 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-3":/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

Build Log

========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/wti/SwiftDjot.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/wti/SwiftDjot
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 56fb0db swift-format: disable UseLetInEveryBoundCaseVariable as 6.0.1 formatter
Cloned https://github.com/wti/SwiftDjot.git
Revision (git rev-parse @):
56fb0db12df3c84a1654c1152419f0ac81e963d1
SUCCESS checkout https://github.com/wti/SwiftDjot.git at main
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.3
Building package at path:  $PWD
https://github.com/wti/SwiftDjot.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-3":/host -w "$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
Building for debugging...
[0/38] Write sources
[1/38] Compiling Cdjot lopcodes.c
In file included from /host/spi-builder-workspace/Sources/Cdjot/lzio.c:19:
In file included from /host/spi-builder-workspace/Sources/Cdjot/lstate.h:125:
/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, \
      |  ^
In file included from /host/spi-builder-workspace/Sources/Cdjot/lzio.c:19:
/host/spi-builder-workspace/Sources/Cdjot/lstate.h:179:16: error: unknown type name 'sig_atomic_t'
  179 |       volatile l_signalT trap;
      |                ^
/host/spi-builder-workspace/Sources/Cdjot/lstate.h:126:19: note: expanded from macro 'l_signalT'
  126 | #define l_signalT       sig_atomic_t
      |                         ^
/host/spi-builder-workspace/Sources/Cdjot/lstate.h:326:12: error: unknown type name 'sig_atomic_t'
  326 |   volatile l_signalT hookmask;
      |            ^
/host/spi-builder-workspace/Sources/Cdjot/lstate.h:126:19: note: expanded from macro 'l_signalT'
  126 | #define l_signalT       sig_atomic_t
      |                         ^
3 errors generated.
[2/38] Compiling Cdjot lzio.c
[2/38] Compiling Cdjot lvm.c
In file included from /host/spi-builder-workspace/Sources/Cdjot/ldo.c:13:
/root/.swiftpm/swift-sdks/swift-6.3-RELEASE_wasm.artifactbundle/swift-6.3-RELEASE_wasm/wasm32-unknown-wasip1/WASI.sdk/include/wasm32-wasip1/setjmp.h:13:2: error: Setjmp/longjmp support requires Exception handling support, which is [not yet standardized](https://github.com/WebAssembly/proposals?tab=readme-ov-file#phase-3---implementation-phase-cg--wg). To enable it, compile with `-mllvm -wasm-enable-sjlj` and use an engine that implements the Exception handling proposal.
   13 | #error Setjmp/longjmp support requires Exception handling support, which is [not yet standardized](https://github.com/WebAssembly/proposals?tab=readme-ov-file#phase-3---implementation-phase-cg--wg). To enable it, compile with `-mllvm -wasm-enable-sjlj` and use an engine that implements the Exception handling proposal.
      |  ^
In file included from /host/spi-builder-workspace/Sources/Cdjot/ldo.c:19:
In file included from /host/spi-builder-workspace/Sources/Cdjot/lapi.h:12:
In file included from /host/spi-builder-workspace/Sources/Cdjot/lstate.h:125:
/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, \
      |  ^
In file included from /host/spi-builder-workspace/Sources/Cdjot/ldo.c:19:
In file included from /host/spi-builder-workspace/Sources/Cdjot/lapi.h:12:
/host/spi-builder-workspace/Sources/Cdjot/lstate.h:179:16: error: unknown type name 'sig_atomic_t'
  179 |       volatile l_signalT trap;
      |                ^
/host/spi-builder-workspace/Sources/Cdjot/lstate.h:126:19: note: expanded from macro 'l_signalT'
  126 | #define l_signalT       sig_atomic_t
      |                         ^
/host/spi-builder-workspace/Sources/Cdjot/lstate.h:326:12: error: unknown type name 'sig_atomic_t'
  326 |   volatile l_signalT hookmask;
      |            ^
/host/spi-builder-workspace/Sources/Cdjot/lstate.h:126:19: note: expanded from macro 'l_signalT'
  126 | #define l_signalT       sig_atomic_t
      |                         ^
[2/38] Compiling Cdjot ldo.c
In file included from /host/spi-builder-workspace/Sources/Cdjot/lapi.c:19:
In file included from /host/spi-builder-workspace/Sources/Cdjot/lapi.h:12:
In file included from /host/spi-builder-workspace/Sources/Cdjot/lstate.h:125:
/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, \
      |  ^
In file included from /host/spi-builder-workspace/Sources/Cdjot/lapi.c:19:
In file included from /host/spi-builder-workspace/Sources/Cdjot/lapi.h:12:
/host/spi-builder-workspace/Sources/Cdjot/lstate.h:179:16: error: unknown type name 'sig_atomic_t'
  179 |       volatile l_signalT trap;
      |                ^
/host/spi-builder-workspace/Sources/Cdjot/lstate.h:126:19: note: expanded from macro 'l_signalT'
  126 | #define l_signalT       sig_atomic_t
      |                         ^
/host/spi-builder-workspace/Sources/Cdjot/lstate.h:326:12: error: unknown type name 'sig_atomic_t'
  326 |   volatile l_signalT hookmask;
      |            ^
/host/spi-builder-workspace/Sources/Cdjot/lstate.h:126:19: note: expanded from macro 'l_signalT'
  126 | #define l_signalT       sig_atomic_t
      |                         ^
[2/38] Compiling Cdjot lapi.c
In file included from /host/spi-builder-workspace/Sources/Cdjot/ldebug.c:19:
In file included from /host/spi-builder-workspace/Sources/Cdjot/lapi.h:12:
In file included from /host/spi-builder-workspace/Sources/Cdjot/lstate.h:125:
/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, \
      |  ^
In file included from /host/spi-builder-workspace/Sources/Cdjot/ldebug.c:19:
In file included from /host/spi-builder-workspace/Sources/Cdjot/lapi.h:12:
/host/spi-builder-workspace/Sources/Cdjot/lstate.h:179:16: error: unknown type name 'sig_atomic_t'
  179 |       volatile l_signalT trap;
      |                ^
/host/spi-builder-workspace/Sources/Cdjot/lstate.h:126:19: note: expanded from macro 'l_signalT'
  126 | #define l_signalT       sig_atomic_t
      |                         ^
/host/spi-builder-workspace/Sources/Cdjot/lstate.h:326:12: error: unknown type name 'sig_atomic_t'
  326 |   volatile l_signalT hookmask;
      |            ^
/host/spi-builder-workspace/Sources/Cdjot/lstate.h:126:19: note: expanded from macro 'l_signalT'
  126 | #define l_signalT       sig_atomic_t
      |                         ^
[2/38] Compiling Cdjot ldebug.c
/host/spi-builder-workspace/Sources/Cdjot/lauxlib.c:267:10: fatal error: 'sys/wait.h' file not found
  267 | #include <sys/wait.h>
      |          ^~~~~~~~~~~~
[2/38] Compiling Cdjot lauxlib.c
[2/38] Compiling Cdjot lutf8lib.c
[2/38] Write swift-version-24593BA9C3E375BF.txt
BUILD FAILURE 6.3 wasm