Swift Package IndexBuild Information
Failed to build swift-cross-ui, reference v0.7.2 (823cec), with Swift 6.2 for Wasm on 11 Aug 2026 00:48:15 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-54344844-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:wasm-6.2-latest swift build --swift-sdk swift-6.2-RELEASE_wasm 2>&1Build Log
========================================
RunAll
========================================
Builder version: 729ceb5fcd9493dc13ee340bc4f0908bd201f85d
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/furbytm/swift-cross-ui.git
Reference: v0.7.2
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/furbytm/swift-cross-ui
* tag v0.7.2 -> FETCH_HEAD
HEAD is now at 823cecd Add 'extern' to make global G*Flag declarations valid in C/C++.
Submodule path 'Sources/GtkCodeGen/GirFiles': checked out 'a9bfeaf9cfb0e7e722a2efd7c3ad865e68acd2c1'
Submodule 'Sources/GtkCodeGen/GirFiles' (https://github.com/moreSwift/gir-files) registered for path 'Sources/GtkCodeGen/GirFiles'
Cloning into '/host/spi-builder-workspace/Sources/GtkCodeGen/GirFiles'...
Cloned https://github.com/furbytm/swift-cross-ui.git
Revision (git rev-parse @):
823cecd0949aa78a035deefe4204eefb2dd0a213
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/furbytm/swift-cross-ui.git at v0.7.2
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.2
Building package at path: $PWD
https://github.com/furbytm/swift-cross-ui.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344844-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:wasm-6.2-latest swift build --swift-sdk swift-6.2-RELEASE_wasm 2>&1
wasm-6.2-latest: Pulling from saguaro1/spi-images
Digest: sha256:70428a4f4110aef5b17a27427e965f31cf3855e8cf1dfdc416ed61c780337965
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:wasm-6.2-latest
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warning: you may be able to install gtk+-3.0 using your system-packager:
apt-get install libgtk-3-dev clang
warning: you may be able to install gtk4 using your system-packager:
apt-get install libgtk-4-dev clang
warning: you may be able to install gtk+-3.0 using your system-packager:
apt-get install libgtk-3-dev clang
warning: you may be able to install gtk4 using your system-packager:
apt-get install libgtk-4-dev clang
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Building for debugging...
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/host/spi-builder-workspace/.build/checkouts/zlib/zlib/gzwrite.c:78:20: error: call to undeclared function 'write'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
78 | writ = write(state->fd, strm->next_in, put);
| ^
/host/spi-builder-workspace/.build/checkouts/zlib/zlib/gzwrite.c:78:20: note: did you mean 'fwrite'?
/root/.swiftpm/swift-sdks/swift-6.2-RELEASE_wasm.artifactbundle/swift-6.2-RELEASE_wasm/wasm32-unknown-wasip1/WASI.sdk/include/wasm32-wasip1/stdio.h:103:8: note: 'fwrite' declared here
103 | size_t fwrite(const void *__restrict, size_t, size_t, FILE *__restrict);
| ^
/host/spi-builder-workspace/.build/checkouts/zlib/zlib/gzwrite.c:108:24: error: call to undeclared function 'write'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
108 | writ = write(state->fd, state->x.next, put);
| ^
/host/spi-builder-workspace/.build/checkouts/zlib/zlib/gzwrite.c:627:9: error: call to undeclared function 'close'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
627 | if (close(state->fd) == -1)
| ^
/host/spi-builder-workspace/.build/checkouts/zlib/zlib/gzwrite.c:627:9: note: did you mean 'fclose'?
/root/.swiftpm/swift-sdks/swift-6.2-RELEASE_wasm.artifactbundle/swift-6.2-RELEASE_wasm/wasm32-unknown-wasip1/WASI.sdk/include/wasm32-wasip1/stdio.h:85:5: note: 'fclose' declared here
85 | int fclose(FILE *);
| ^
3 errors generated.
[161/639] Compiling ZLibC gzwrite.c
[161/639] Compiling ZLibC infback.c
[161/639] Compiling ZLibC inflate.c
[162/639] Emitting module Mutex
BUILD FAILURE 6.2 wasm