SwiftDjot – Build Information – Swift Package Index

Has it really been five years since Swift Package Index launched? Read our anniversary blog post!

Build Information

Failed to build SwiftDjot, reference 0.0.3 (8e0d82), with Swift 6.2 (beta) for Wasm on 20 Jun 2025 14:47:32 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-3":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:wasm-6.2-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.64.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/wti/SwiftDjot.git
Reference: 0.0.3
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
 * tag               0.0.3      -> FETCH_HEAD
HEAD is now at 8e0d825 djot.lua -> [main@5970f1cff2fe6b5905ec1cdeab795d5b5b3b8b97]
Cloned https://github.com/wti/SwiftDjot.git
Revision (git rev-parse @):
8e0d8253596643e405738047edb7d37a721a86b1
SUCCESS checkout https://github.com/wti/SwiftDjot.git at 0.0.3
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.2
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" registry.gitlab.com/finestructure/spi-images:wasm-6.2-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1
wasm-6.2-latest: Pulling from finestructure/spi-images
Digest: sha256:44384f43f933eaa0f42803e9ef7c3d8388c5841ccc831a15a5edf63d8c273423
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:wasm-6.2-latest
Building for debugging...
[0/38] Compiling Cdjot djot_demo.c
[1/38] Write sources
[2/38] Compiling Cdjot lbaselib.c
[3/38] Write swift-version-24593BA9C3E375BF.txt
/host/spi-builder-workspace/Sources/Cdjot/lauxlib.c:267:10: fatal error: 'sys/wait.h' file not found
  267 | #include <sys/wait.h>
      |          ^~~~~~~~~~~~
1 error generated.
[4/38] Compiling Cdjot lauxlib.c
[4/38] Compiling Cdjot djot.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-6.2-DEVELOPMENT-SNAPSHOT-2025-05-30-a_wasm.artifactbundle/swift-6.2-DEVELOPMENT-SNAPSHOT-2025-05-30-a_wasm/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/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
      |                         ^
[4/38] Compiling Cdjot lapi.c
[4/38] Compiling Cdjot lutf8lib.c
In file included from /host/spi-builder-workspace/Sources/Cdjot/lvm.c:21:
In file included from /host/spi-builder-workspace/Sources/Cdjot/ldebug.h:11:
In file included from /host/spi-builder-workspace/Sources/Cdjot/lstate.h:125:
/root/.swiftpm/swift-sdks/swift-6.2-DEVELOPMENT-SNAPSHOT-2025-05-30-a_wasm.artifactbundle/swift-6.2-DEVELOPMENT-SNAPSHOT-2025-05-30-a_wasm/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/Sources/Cdjot/lvm.c:21:
In file included from /host/spi-builder-workspace/Sources/Cdjot/ldebug.h:11:
/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
      |                         ^
[4/38] Compiling Cdjot lvm.c
[4/38] Compiling Cdjot lundump.c
In file included from /host/spi-builder-workspace/Sources/Cdjot/lcode.c:21:
In file included from /host/spi-builder-workspace/Sources/Cdjot/ldebug.h:11:
In file included from /host/spi-builder-workspace/Sources/Cdjot/lstate.h:125:
/root/.swiftpm/swift-sdks/swift-6.2-DEVELOPMENT-SNAPSHOT-2025-05-30-a_wasm.artifactbundle/swift-6.2-DEVELOPMENT-SNAPSHOT-2025-05-30-a_wasm/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/Sources/Cdjot/lcode.c:21:
In file included from /host/spi-builder-workspace/Sources/Cdjot/ldebug.h:11:
/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
      |                         ^
[4/38] Compiling Cdjot lcode.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-6.2-DEVELOPMENT-SNAPSHOT-2025-05-30-a_wasm.artifactbundle/swift-6.2-DEVELOPMENT-SNAPSHOT-2025-05-30-a_wasm/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/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
      |                         ^
[4/38] Compiling Cdjot lzio.c
BUILD FAILURE 6.2 wasm