Swift Package Index

Build Information

Failed to build VertexGUI, reference master (bd1a4b), with Swift 6.4 for Linux on 19 Sep 2026 09:29:10 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-53886770-0":/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:basic-6.4-latest swift build --triple x86_64-unknown-linux-gnu 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/VertexUI/VertexGUI.git
Reference: master
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/VertexUI/VertexGUI
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at bd1a4b1 remove unnecessary print
Cloned https://github.com/VertexUI/VertexGUI.git
Revision (git rev-parse @):
bd1a4b124ebef002524deb66200053bb7b2035e1
SUCCESS checkout https://github.com/VertexUI/VertexGUI.git at master
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.4
Building package at path:  $PWD
https://github.com/VertexUI/VertexGUI.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886770-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:basic-6.4-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-6.4-latest: Pulling from saguaro1/spi-images
Digest: sha256:c77fcce225e223ac0fafed844619173fc6de8d62dd560eeb28db3182af6a282b
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:basic-6.4-latest
Fetching https://github.com/UnGast/swift-opengl
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Fetching https://github.com/ctreffs/SwiftSDL2.git
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Fetching https://github.com/ctreffs/SwiftVulkan
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Computing version for https://github.com/ctreffs/SwiftNFD.git
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Computing version for https://github.com/ctreffs/SwiftVulkan
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Computing version for https://github.com/ctreffs/SwiftSDL2.git
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Computing version for https://github.com/fireblade-engine/time.git
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Computing version for https://github.com/mtynior/ColorizeSwift.git
Computed https://github.com/mtynior/ColorizeSwift.git at 1.7.0 (0.19s)
Creating working copy for https://github.com/ctreffs/SwiftSDL2.git
Working copy of https://github.com/ctreffs/SwiftSDL2.git resolved at 1.4.1
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Working copy of https://github.com/mtynior/ColorizeSwift.git resolved at 1.7.0
Creating working copy for https://github.com/fireblade-engine/pal.git
Working copy of https://github.com/fireblade-engine/pal.git resolved at main (3f58cd4)
Creating working copy for https://github.com/UnGast/swift-opengl
Working copy of https://github.com/UnGast/swift-opengl resolved at master (8dfcb2e)
Creating working copy for https://github.com/UnGast/SkiaKit
Working copy of https://github.com/UnGast/SkiaKit resolved at main (1924d72)
Creating working copy for https://github.com/ctreffs/SwiftVulkan
Working copy of https://github.com/ctreffs/SwiftVulkan resolved at 0.2.1
Creating working copy for https://github.com/UnGast/swim.git
Working copy of https://github.com/UnGast/swim.git resolved at master (571022a)
Creating working copy for https://github.com/fireblade-engine/math.git
Working copy of https://github.com/fireblade-engine/math.git resolved at 0.13.0
Creating working copy for https://github.com/ctreffs/SwiftNFD.git
Working copy of https://github.com/ctreffs/SwiftNFD.git resolved at 1.0.2
Creating working copy for https://github.com/kelvin13/swiftxml
Working copy of https://github.com/kelvin13/swiftxml resolved at master (91ae89c)
Creating working copy for https://github.com/OpenCombine/OpenCombine.git
Working copy of https://github.com/OpenCombine/OpenCombine.git resolved at master (1c6f02c)
Creating working copy for https://github.com/fireblade-engine/time.git
Working copy of https://github.com/fireblade-engine/time.git resolved at 0.2.0
Creating working copy for https://github.com/UnGast/swift-gfx-math.git
Working copy of https://github.com/UnGast/swift-gfx-math.git resolved at master (2491615)
warning: 'spi-builder-workspace': Invalid Resource 'Resources': File not found.
warning: 'spi-builder-workspace': Invalid Resource 'Resources': File not found.
warning: 'spi-builder-workspace': Invalid Resource 'Resources': File not found.
warning: 'spi-builder-workspace': Invalid Resource 'Resources': File not found.
warning: 'swiftsdl2': you may be able to install sdl2 using your system-packager:
    apt-get install libsdl2-dev
warning: 'swiftvulkan': you may be able to install vulkan using your system-packager:
    apt-get install libvulkan-dev libvulkan1
Building for debugging...
[Computing dependencies]
[Constructing description]
[Pre-planning 1 / 782]
[Planning deferred tasks]
[158 / 305] NFD
error: SwiftCompile normal x86_64 failed with a nonzero exit code. Command line:     cd /host

<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "shims.h"
  |          `- note: in file included from <module-includes>:1:
2 |
/host/spi-builder-workspace/.build/checkouts/SwiftSDL2/Sources/CSDL2/shims.h:10:14: note: in file included from /host/spi-builder-workspace/.build/checkouts/SwiftSDL2/Sources/CSDL2/shims.h:10:
 8 |     #endif
 9 | #elif __linux__
10 |     #include "linux.h" //  linux
   |              `- note: in file included from /host/spi-builder-workspace/.build/checkouts/SwiftSDL2/Sources/CSDL2/shims.h:10:
11 | #else
12 |    error "Unsupported platform"
/host/spi-builder-workspace/.build/checkouts/SwiftSDL2/Sources/CSDL2/linux.h:1:10: error: 'SDL.h' file not found
1 | #include <SDL.h>
  |          `- error: 'SDL.h' file not found
2 | #include <SDL_vulkan.h>
3 |
/host/spi-builder-workspace/.build/checkouts/SwiftSDL2/Sources/SDL2/SDL2.swift:9:23: error: could not build C module 'CSDL2'
 7 |
 8 | #if os(Linux) || os(Windows)
 9 |     @_exported import CSDL2
   |                       `- error: could not build C module 'CSDL2'
10 | #else
11 |     @_exported import SDL2
Failed frontend command:
/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /host/spi-builder-workspace/.build/checkouts/SwiftSDL2/Sources/SDL2/SDL2.swift -target x86_64-unknown-linux-gnu -disable-objc-interop -I /host/spi-builder-workspace/.build/out/Products/Debug-linux-x86_64 -module-cache-path /host/spi-builder-workspace/.build/out/ModuleCache.noindex -color-diagnostics -Xcc -fcolor-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -suppress-warnings -swift-version 5 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D Xcode -serialize-debugging-options -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -external-plugin-path /usr/lib/swift/host/plugins/testing\#/usr/bin/swift-plugin-server -validate-clang-modules-once -clang-build-session-file /host/spi-builder-workspace/.build/out/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /host -enable-anonymous-context-mangled-names -file-compilation-dir /host -Xcc -fmodule-map-file\=/host/spi-builder-workspace/.build/checkouts/SwiftSDL2/Sources/CSDL2/module.modulemap -Xcc -fno-omit-frame-pointer -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -Xcc -I/host/spi-builder-workspace/.build/out/Products/Debug-linux-x86_64/include -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/SDL.build/Debug-linux-x86_64/SDL-t.build/DerivedSources-normal/x86_64 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/SDL.build/Debug-linux-x86_64/SDL-t.build/DerivedSources/x86_64 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/SDL.build/Debug-linux-x86_64/SDL-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name SDL -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/SDL.build/Debug-linux-x86_64/SDL-t.build/Objects-normal/x86_64/SDL_const_extract_protocols.json -in-process-plugin-server-path /usr/lib/swift/host/libSwiftInProcPluginServer.so -plugin-path /usr/lib/swift/host/plugins -plugin-path /usr/local/lib/swift/host/plugins -emit-module-doc-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/SDL.build/Debug-linux-x86_64/SDL-t.build/Objects-normal/x86_64/Modules/SDL.swiftdoc -emit-module-source-info-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/SDL.build/Debug-linux-x86_64/SDL-t.build/Objects-normal/x86_64/Modules/SDL.swiftsourceinfo -emit-objc-header-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/SDL.build/Debug-linux-x86_64/SDL-t.build/Objects-normal/x86_64/SDL-Swift.h -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/SDL.build/Debug-linux-x86_64/SDL-t.build/Objects-normal/x86_64/SDL-primary-emit-module.dia -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/SDL.build/Debug-linux-x86_64/SDL-t.build/Objects-normal/x86_64/SDL-primary-emit-module.d -parse-as-library -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/SDL.build/Debug-linux-x86_64/SDL-t.build/Objects-normal/x86_64/Modules/SDL.swiftmodule
error: Build failed
BUILD FAILURE 6.4 linux