Swift Package Index

Build Information

Failed to build SwiftLibModbus, reference main (7d5603), with Swift 6.2 (beta) for Wasm on 23 Jun 2025 21:34:37 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/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/jollyjinx/SwiftLibModbus.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/jollyjinx/SwiftLibModbus
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 7d56036 updated readme
Cloned https://github.com/jollyjinx/SwiftLibModbus.git
Revision (git rev-parse @):
7d560360e6c08692be26c240216977ab96b54181
SUCCESS checkout https://github.com/jollyjinx/SwiftLibModbus.git at main
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.2
Building package at path:  $PWD
https://github.com/jollyjinx/SwiftLibModbus.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$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...
[0/7] Write sources
[1/7] Compiling CModbus strlcpy.c
[2/7] Compiling CModbus modbus-data.c
In file included from /host/spi-builder-workspace/Sources/CModbus/modbus-rtu.c:38:
/host/spi-builder-workspace/Sources/CModbus/modbus-rtu-private.h:31:10: fatal error: 'termios.h' file not found
   31 | #include <termios.h>
      |          ^~~~~~~~~~~
1 error generated.
[3/7] Compiling CModbus modbus-rtu.c
[3/7] Compiling CModbus modbus.c
In file included from /host/spi-builder-workspace/Sources/CModbus/modbus-tcp.c:28:
/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, \
      |  ^
/host/spi-builder-workspace/Sources/CModbus/modbus-tcp.c:59:11: fatal error: 'netdb.h' file not found
   59 | # include <netdb.h>
      |           ^~~~~~~~~
2 errors generated.
[3/7] Compiling CModbus modbus-tcp.c
[3/7] Write swift-version-24593BA9C3E375BF.txt
BUILD FAILURE 6.2 wasm