Build Information
Failed to build Termbox, reference 1.0.1 (36bfb4), with Swift 6.3 for Linux on 11 Apr 2026 22:48:20 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4609320-2":/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:basic-6.3-latest swift build --triple x86_64-unknown-linux-gnu 2>&1Build Log
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RunAll
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Builder version: 4.70.0
Interrupt handler set up.
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Checkout
========================================
Clone URL: https://github.com/dduan/Termbox.git
Reference: 1.0.1
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/dduan/Termbox
* tag 1.0.1 -> FETCH_HEAD
HEAD is now at 36bfb4e Add badges to README
Cloned https://github.com/dduan/Termbox.git
Revision (git rev-parse @):
36bfb4e9542df21e3df32109e922c4206e0b0a99
SUCCESS checkout https://github.com/dduan/Termbox.git at 1.0.1
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Build
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Selected platform: linux
Swift version: 6.3
Building package at path: $PWD
https://github.com/dduan/Termbox.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-2":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:basic-6.3-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-6.3-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:5a7d791d2ead8a924b1292cb31bf3288eabcfe8880e0b005b00b45b71a5bc36a
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:basic-6.3-latest
Building for debugging...
[0/9] Write sources
[2/9] Compiling utf8.c
[3/9] Write swift-version-24593BA9C3E375BF.txt
/host/spi-builder-workspace/Sources/ctermbox/src/termbox.c:187:8: error: call to undeclared function 'wcwidth'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
187 | w = wcwidth(back->ch);
| ^
1 error generated.
[4/9] Compiling termbox.c
BUILD FAILURE 6.3 linux