Swift Package IndexBuild Information
Failed to build SDL, reference master (5a0ca2), with Swift 6.1 for Linux on 14 Aug 2026 07:27:15 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-53886769-0":/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-6.1-latest swift build --triple x86_64-unknown-linux-gnu 2>&1Build Log
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RunAll
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Builder version: 5.0.1
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/ctreffs/SwiftSDL2.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/ctreffs/SwiftSDL2
* branch master -> FETCH_HEAD
* [new branch] master -> origin/master
HEAD is now at 5a0ca2f chore: migrate Renovate config to .github/renovate.json (#57)
Cloned https://github.com/ctreffs/SwiftSDL2.git
Revision (git rev-parse @):
5a0ca2f67296ce684c6ec5e637350954f770de49
SUCCESS checkout https://github.com/ctreffs/SwiftSDL2.git at master
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Build
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Selected platform: linux
Swift version: 6.1
Building package at path: $PWD
https://github.com/ctreffs/SwiftSDL2.git
https://github.com/ctreffs/SwiftSDL2.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886769-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures 2>&1
basic-6.1-latest: Pulling from saguaro1/spi-images
Digest: sha256:dff62030f4387a2d827d2b365d39a91716bd1d13650763ccbcbfe23419000563
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:basic-6.1-latest
warning: you may be able to install sdl2 using your system-packager:
apt-get install libsdl2-dev
warning: you may be able to install sdl2 using your system-packager:
apt-get install libsdl2-dev
Building for debugging...
[0/11] Write sources
[3/11] Write swift-version-24593BA9C3E375BF.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[5/13] Emitting module SDL
<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/Sources/CSDL2/shims.h:10:14: note: in file included from /host/spi-builder-workspace/Sources/CSDL2/shims.h:10:
8 | #endif
9 | #elif __linux__
10 | #include "linux.h" // linux
| `- note: in file included from /host/spi-builder-workspace/Sources/CSDL2/shims.h:10:
11 | #else
12 | error "Unsupported platform"
/host/spi-builder-workspace/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/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
[6/13] Compiling SDL SDL2.swift
<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/Sources/CSDL2/shims.h:10:14: note: in file included from /host/spi-builder-workspace/Sources/CSDL2/shims.h:10:
8 | #endif
9 | #elif __linux__
10 | #include "linux.h" // linux
| `- note: in file included from /host/spi-builder-workspace/Sources/CSDL2/shims.h:10:
11 | #else
12 | error "Unsupported platform"
/host/spi-builder-workspace/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/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
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886769-0":/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-6.1-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-6.1-latest: Pulling from saguaro1/spi-images
Digest: sha256:dff62030f4387a2d827d2b365d39a91716bd1d13650763ccbcbfe23419000563
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:basic-6.1-latest
warning: you may be able to install sdl2 using your system-packager:
apt-get install libsdl2-dev
warning: you may be able to install sdl2 using your system-packager:
apt-get install libsdl2-dev
[0/1] Planning build
Building for debugging...
[0/8] Write swift-version-24593BA9C3E375BF.txt
[2/10] Compiling SDL SDL2.swift
<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/Sources/CSDL2/shims.h:10:14: note: in file included from /host/spi-builder-workspace/Sources/CSDL2/shims.h:10:
8 | #endif
9 | #elif __linux__
10 | #include "linux.h" // linux
| `- note: in file included from /host/spi-builder-workspace/Sources/CSDL2/shims.h:10:
11 | #else
12 | error "Unsupported platform"
/host/spi-builder-workspace/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/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
error: emit-module command failed with exit code 1 (use -v to see invocation)
[3/10] Emitting module SDL
<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/Sources/CSDL2/shims.h:10:14: note: in file included from /host/spi-builder-workspace/Sources/CSDL2/shims.h:10:
8 | #endif
9 | #elif __linux__
10 | #include "linux.h" // linux
| `- note: in file included from /host/spi-builder-workspace/Sources/CSDL2/shims.h:10:
11 | #else
12 | error "Unsupported platform"
/host/spi-builder-workspace/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/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
BUILD FAILURE 6.1 linux