Splash – Build Information – Swift Package Index

Build Information

Failed to build Splash, reference 0.16.0 (7f4df4), with Swift 6.4 for macOS (SPM) on 17 Sep 2026 18:09:58 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/JohnSundell/Splash.git
Reference: 0.16.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/JohnSundell/Splash
 * tag               0.16.0     -> FETCH_HEAD
HEAD is now at 7f4df43 Add support for Swift 5.5's concurrency features (#126)
Cloned https://github.com/JohnSundell/Splash.git
Revision (git rev-parse @):
7f4df436eb78fe64fe2c32c58006e9949fa28ad8
SUCCESS checkout https://github.com/JohnSundell/Splash.git at 0.16.0
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/JohnSundell/Splash.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
[Pre-planning 1 / 182]
[Planning deferred tasks]
[39 / 76]
[40 / 77] Splash
[50 / 151]
[53 / 151]
[61 / 151]
[63 / 151]
[64 / 151]
[69 / 151]
[72 / 151]
[75 / 151]
[80 / 151]
[83 / 151]
[85 / 151]
[86 / 151]
[95 / 151]
[97 / 151]
[98 / 151]
[100 / 151]
[102 / 151]
[114 / 151] Splash
[115 / 151] Splash
[132 / 155] Splash
[134 / 155]
[135 / 155] SplashMarkdown-product
[146 / 168] SplashImageGen-product
/Users/admin/builder/spi-builder-workspace/Sources/Splash/Theming/Theme.swift:27:42: [1;33mwarning: [1;39minitializer 'init(white:alpha:)' cannot be used in a default argument value because 'AppKit' was not imported by this file; this is an error in the Swift 6 language mode[0;0m
[0;36m25 |[0;0m                 plainTextColor: Color,
[0;36m26 |[0;0m                 tokenColors: [TokenType: Color],
[0;36m27 |[0;0m                 backgroundColor: Color = Color(white: 0.12, alpha: 1)) {
   [0;36m|[0;0m                                          |- [1;33mwarning: [1;39minitializer 'init(white:alpha:)' cannot be used in a default argument value because 'AppKit' was not imported by this file; this is an error in the Swift 6 language mode[0;0m
   [0;36m|[0;0m                                          `- [1;39mnote: [1;39mThe missing import of module 'AppKit' will be added implicitly[0;0m
[0;36m28 |[0;0m         self.font = font
[0;36m29 |[0;0m         self.plainTextColor = plainTextColor
/Users/admin/builder/spi-builder-workspace/Sources/Splash/Theming/Theme.swift:27:42: [1;33mwarning: [1;39minitializer 'init(white:alpha:)' cannot be used in a default argument value because 'AppKit' was not imported by this file; this is an error in the Swift 6 language mode[0;0m
[0;36m25 |[0;0m                 plainTextColor: Color,
[0;36m26 |[0;0m                 tokenColors: [TokenType: Color],
[0;36m27 |[0;0m                 backgroundColor: Color = Color(white: 0.12, alpha: 1)) {
   [0;36m|[0;0m                                          |- [1;33mwarning: [1;39minitializer 'init(white:alpha:)' cannot be used in a default argument value because 'AppKit' was not imported by this file; this is an error in the Swift 6 language mode[0;0m
   [0;36m|[0;0m                                          `- [1;39mnote: [1;39mThe missing import of module 'AppKit' will be added implicitly[0;0m
[0;36m28 |[0;0m         self.font = font
[0;36m29 |[0;0m         self.plainTextColor = plainTextColor
error: SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SplashImageGen/Extensions/CGImage+WriteToURL.swift failed with a nonzero exit code. Command line:     cd /Users/admin/builder
    builtin-SwiftPerFileCompile CGImage+WriteToURL.swift
/Users/admin/builder/spi-builder-workspace/Sources/SplashImageGen/Extensions/CGImage+WriteToURL.swift:11:11: [1;31merror: [1;39mcannot find type 'CGImage' in scope[0;0m
 [0;36m9 |[0;0m import Foundation
[0;36m10 |[0;0m
[0;36m11 |[0;0m extension [4;39mCGImage[0;0m {
   [0;36m|[0;0m           `- [1;31merror: [1;39mcannot find type 'CGImage' in scope[0;0m
[0;36m12 |[0;0m     func write(to url: URL) {
[0;36m13 |[0;0m         let destination = CGImageDestinationCreateWithURL(url as CFURL, kUTTypePNG, 1, nil)!
Failed frontend command:
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -c -primary-file /Users/admin/builder/spi-builder-workspace/Sources/SplashImageGen/Extensions/CGImage+WriteToURL.swift /Users/admin/builder/spi-builder-workspace/Sources/SplashImageGen/Extensions/CommandLine+Options.swift /Users/admin/builder/spi-builder-workspace/Sources/SplashImageGen/Extensions/NSGraphicsContext+Fill.swift /Users/admin/builder/spi-builder-workspace/Sources/SplashImageGen/Extensions/NSGraphicsContext+InitWithSize.swift /Users/admin/builder/spi-builder-workspace/Sources/SplashImageGen/main.swift -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Splash.build/Debug/SplashImageGen-p.build/Objects-normal/arm64/CGImage+WriteToURL.d -emit-const-values-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Splash.build/Debug/SplashImageGen-p.build/Objects-normal/arm64/CGImage+WriteToURL.swiftconstvalues -emit-reference-dependencies-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Splash.build/Debug/SplashImageGen-p.build/Objects-normal/arm64/CGImage+WriteToURL.swiftdeps -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Splash.build/Debug/SplashImageGen-p.build/Objects-normal/arm64/CGImage+WriteToURL.dia -target arm64-apple-macos12.0 -disable-cross-import-overlay-search -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libFoundationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#FoundationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libObservationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#ObservationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libPreviewsMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#PreviewsMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libSwiftMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#SwiftMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libSwiftUIMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#SwiftUIMacros -disable-implicit-swift-modules -Xcc -fno-implicit-modules -Xcc -fno-implicit-module-maps -explicit-swift-module-map-file /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Splash.build/Debug/SplashImageGen-p.build/Objects-normal/arm64/SplashImageGen-dependencies-1.json -Xllvm -aarch64-use-tbi -enable-objc-interop -stack-check -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk -I /Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug/PackageFrameworks -F /Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -module-cache-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftExplicitPrecompiledModules -color-diagnostics -Xcc -fcolor-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -swift-version 5 -Onone -D SWIFT_PACKAGE -D DEBUG -D Xcode -serialize-debugging-options -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.build/out/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /Users/admin/builder -enable-anonymous-context-mangled-names -file-compilation-dir /Users/admin/builder -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.build/out/SDKStatCaches.noindex/macosx27.0-26A425-80c5bbf1d171475443272936d42f90a36a22442a12e9d48fe1a705f55a1adfc4.sdkstatcache -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Splash.build/Debug/SplashImageGen-p.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Splash.build/Debug/SplashImageGen-p.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Splash.build/Debug/SplashImageGen-p.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name SplashImageGen -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Splash.build/Debug/SplashImageGen-p.build/Objects-normal/arm64/SplashImageGen_const_extract_protocols.json -disable-clang-spi -clang-target arm64-apple-macos27.0 -target-sdk-version 27.0 -target-sdk-name macosx27.0 -in-process-plugin-server-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Splash.build/Debug/SplashImageGen-p.build/Objects-normal/arm64/CGImage+WriteToURL.o -debug-module-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Splash.build/Debug/SplashImageGen-p.build/Objects-normal/arm64/SplashImageGen.swiftmodule -index-unit-output-path /Splash.build/Debug/SplashImageGen-p.build/Objects-normal/arm64/CGImage+WriteToURL.o -index-store-path /Users/admin/builder/spi-builder-workspace/.build/out -index-system-modules
error: Build failed
BUILD FAILURE 6.4 macosSpm