Swift Package Index

Build Information

Failed to build GradientMaker, reference main (fda2ed), with Swift 6.4 for macOS (SPM) on 20 Sep 2026 18:37:14 UTC.

Build Command

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

Build Log

========================================
RunAll
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Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
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Clone URL: https://github.com/dentedpixel/GradientMaker.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/dentedpixel/GradientMaker
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at fda2ed2 Merge branch 'main' of github.com:dentedpixel/GradientMaker
Cloned https://github.com/dentedpixel/GradientMaker.git
Revision (git rev-parse @):
fda2ed20ba7c330e3c1f5a2b437a6abe66f31461
SUCCESS checkout https://github.com/dentedpixel/GradientMaker.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/dentedpixel/GradientMaker.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
[Planning deferred tasks]
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[89 / 98] GradientMaker
error: SwiftCompile normal arm64 failed with a nonzero exit code. Command line:     cd /Users/admin/builder

/Users/admin/builder/spi-builder-workspace/Sources/GradientMaker/Gradient+Extensions.swift:13:39: error: cannot find type 'UIColor' in scope
11 | extension Gradient {
12 |
13 |     public func value(at: CGFloat) -> UIColor {
   |                                       `- error: cannot find type 'UIColor' in scope
14 |         guard var left = self.stops.first, var right = self.stops.last else { return .magenta }
15 |
/Users/admin/builder/spi-builder-workspace/Sources/GradientMaker/Gradient+Extensions.swift:37:11: error: cannot find type 'UIColor' in scope
35 | }
36 |
37 | extension UIColor {
   |           `- error: cannot find type 'UIColor' in scope
38 |     public func blend(with color: UIColor, amt: CGFloat) -> UIColor {
39 |         var fromRed :CGFloat = 0
/Users/admin/builder/spi-builder-workspace/Sources/GradientMaker/GradientMaker.swift:12:31: error: cannot find type 'UIWindow' in scope
 10 |
 11 | enum ViewUtils {
 12 |     static var safeKeyWindow: UIWindow? {
    |                               `- error: cannot find type 'UIWindow' in scope
 13 |         UIApplication.shared.connectedScenes
 14 |             .filter({$0.activationState == .foregroundActive})
/Users/admin/builder/spi-builder-workspace/Sources/GradientMaker/GradientMaker.swift:21:32: error: cannot find type 'UIView' in scope
 19 |     }
 20 |
 21 |     static func when(hasChild: UIView, timeout: Double = 10.0, onComplete: @escaping (UIView)->Void) {
    |                                `- error: cannot find type 'UIView' in scope
 22 |         guard timeout > 0 else { print("ViewUtils.when(hasChild:) timed out!"); return }
 23 |
/Users/admin/builder/spi-builder-workspace/Sources/GradientMaker/GradientMaker.swift:21:87: error: cannot find type 'UIView' in scope
 19 |     }
 20 |
 21 |     static func when(hasChild: UIView, timeout: Double = 10.0, onComplete: @escaping (UIView)->Void) {
    |                                                                                       `- error: cannot find type 'UIView' in scope
 22 |         guard timeout > 0 else { print("ViewUtils.when(hasChild:) timed out!"); return }
 23 |
/Users/admin/builder/spi-builder-workspace/Sources/GradientMaker/GradientMaker.swift:39:29: error: cannot find type 'UIColorPickerViewController' in scope
 37 |
 38 |     private var cancellable: AnyCancellable? = nil
 39 |     private var pickerView: UIColorPickerViewController?
    |                             `- error: cannot find type 'UIColorPickerViewController' in scope
 40 |     private var background: UIView?
 41 |
/Users/admin/builder/spi-builder-workspace/Sources/GradientMaker/GradientMaker.swift:40:29: error: cannot find type 'UIView' in scope
 38 |     private var cancellable: AnyCancellable? = nil
 39 |     private var pickerView: UIColorPickerViewController?
 40 |     private var background: UIView?
    |                             `- error: cannot find type 'UIView' in scope
 41 |
 42 |     private var firstViewController: UIViewController? {
/Users/admin/builder/spi-builder-workspace/Sources/GradientMaker/GradientMaker.swift:42:38: error: cannot find type 'UIViewController' in scope
 40 |     private var background: UIView?
 41 |
 42 |     private var firstViewController: UIViewController? {
    |                                      `- error: cannot find type 'UIViewController' in scope
 43 |         guard let root = ViewUtils.safeKeyWindow?.rootViewController else { return nil }
 44 |         return root.presentedViewController ?? root.navigationController?.topViewController ?? root
/Users/admin/builder/spi-builder-workspace/Sources/GradientMaker/GradientMaker.swift:47:40: error: cannot find type 'UIViewController' in scope
 45 |     }
 46 |
 47 |     public func presentColorPicker(on: UIViewController? = nil, color: Color, offsetY: CGFloat, onUpdate: @escaping (Color) -> Void) {
    |                                        `- error: cannot find type 'UIViewController' in scope
 48 |         guard pickerView == nil else { closeChooser(); return }
 49 |         let picker = UIColorPickerViewController()
Failed frontend command:
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /Users/admin/builder/spi-builder-workspace/Sources/GradientMaker/Gradient+Extensions.swift /Users/admin/builder/spi-builder-workspace/Sources/GradientMaker/GradientMaker.swift -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/GradientMaker.build/Debug/GradientMaker-t.build/Objects-normal/arm64/GradientMaker-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 -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 SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -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/GradientMaker.build/Debug/GradientMaker-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/GradientMaker.build/Debug/GradientMaker-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/GradientMaker.build/Debug/GradientMaker-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name GradientMaker -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/GradientMaker.build/Debug/GradientMaker-t.build/Objects-normal/arm64/GradientMaker_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 -emit-module-doc-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/GradientMaker.build/Debug/GradientMaker-t.build/Objects-normal/arm64/GradientMaker.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/GradientMaker.build/Debug/GradientMaker-t.build/Objects-normal/arm64/GradientMaker.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/GradientMaker.build/Debug/GradientMaker-t.build/Objects-normal/arm64/GradientMaker-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/GradientMaker.build/Debug/GradientMaker-t.build/Objects-normal/arm64/GradientMaker-primary-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/GradientMaker.build/Debug/GradientMaker-t.build/Objects-normal/arm64/GradientMaker-primary-emit-module.d -parse-as-library -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/GradientMaker.build/Debug/GradientMaker-t.build/Objects-normal/arm64/GradientMaker.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/GradientMaker.build/Debug/GradientMaker-t.build/Objects-normal/arm64/GradientMaker.abi.json
error: Build failed
BUILD FAILURE 6.4 macosSpm