Swift Package Index

Build Information

Failed to build CalendarView, reference 0.2.1 (8c811c), with Swift 6.4 for macOS (SPM) on 21 Sep 2026 03:22:35 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/edonv/CalendarView.git
Reference: 0.2.1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/edonv/CalendarView
 * tag               0.2.1      -> FETCH_HEAD
HEAD is now at 8c811cf Update .spi.yml
Cloned https://github.com/edonv/CalendarView.git
Revision (git rev-parse @):
8c811cf1d5ac52c662f82acca263e23cd9cde48e
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/edonv/CalendarView.git at 0.2.1
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/edonv/CalendarView.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
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error: SwiftCompile normal arm64 failed with a nonzero exit code. Command line:     cd /Users/admin/builder

/Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView.swift:11:29: error: cannot find type 'UIViewRepresentable' in scope
  9 |
 10 | /// A view that displays a calendar with date-specific decorations, and provides for user selection of a single date or multiple dates.
 11 | public struct CalendarView: UIViewRepresentable {
    |                             `- error: cannot find type 'UIViewRepresentable' in scope
 12 |     /// The date components that represent the visible date in the calendar view.
 13 |     ///
/Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView+Coordinator.swift:25:37: error: cannot find type 'UICalendarViewDelegate' in scope
 23 | // MARK: UICalendarViewDelegate
 24 |
 25 | extension CalendarView.Coordinator: UICalendarViewDelegate {
    |                                     `- error: cannot find type 'UICalendarViewDelegate' in scope
 26 |     private static let components: Set<Calendar.Component> = {
 27 |         var temp: Set<Calendar.Component> = [.year, .day, .month, .era, .calendar, .timeZone, .weekOfMonth, .weekOfYear, .weekday, .weekdayOrdinal, .yearForWeekOfYear]
/Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView+Coordinator.swift:35:10: error: cannot find type 'UICalendarView' in scope
 33 |         _ calendarView: UICalendarView,
 34 |         decorationFor dateComponents: DateComponents
 35 |     ) -> UICalendarView.Decoration? {
    |          `- error: cannot find type 'UICalendarView' in scope
 36 |         if #unavailable(iOS 16.2, macCatalyst 16.2, visionOS 1.0) {
 37 |             // UICalendarView doesn't provide a way to get notified when property visibleDateComponents changes.
/Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView+Coordinator.swift:33:25: error: cannot find type 'UICalendarView' in scope
 31 |
 32 |     public func calendarView(
 33 |         _ calendarView: UICalendarView,
    |                         `- error: cannot find type 'UICalendarView' in scope
 34 |         decorationFor dateComponents: DateComponents
 35 |     ) -> UICalendarView.Decoration? {
/Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView+Coordinator.swift:67:25: error: cannot find type 'UICalendarView' in scope
 65 |
 66 |     public func calendarView(
 67 |         _ calendarView: UICalendarView,
    |                         `- error: cannot find type 'UICalendarView' in scope
 68 |         didChangeVisibleDateComponentsFrom previousDateComponents: DateComponents
 69 |     ) {
/Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView+Coordinator.swift:76:37: error: cannot find type 'UICalendarSelectionMultiDateDelegate' in scope
 74 | // MARK: - UICalendarSelectionMultiDateDelegate
 75 |
 76 | extension CalendarView.Coordinator: UICalendarSelectionMultiDateDelegate {
    |                                     `- error: cannot find type 'UICalendarSelectionMultiDateDelegate' in scope
 77 |     // MARK: Getting selectable dates
 78 |
/Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView+Coordinator.swift:86:22: error: cannot find type 'UICalendarSelectionMultiDate' in scope
 84 |     ///   - dateComponents: Date components that represent a date the user selected.
 85 |     public func multiDateSelection(
 86 |         _ selection: UICalendarSelectionMultiDate,
    |                      `- error: cannot find type 'UICalendarSelectionMultiDate' in scope
 87 |         didSelectDate dateComponents: DateComponents
 88 |     ) {
/Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView+Coordinator.swift:99:22: error: cannot find type 'UICalendarSelectionMultiDate' in scope
 97 |     ///   - dateComponents: Date components that represent a date the user deselected.
 98 |     public func multiDateSelection(
 99 |         _ selection: UICalendarSelectionMultiDate,
    |                      `- error: cannot find type 'UICalendarSelectionMultiDate' in scope
100 |         didDeselectDate dateComponents: DateComponents
101 |     ) {
/Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView+Coordinator.swift:109:37: error: cannot find type 'UICalendarSelectionSingleDateDelegate' in scope
107 | // MARK: - UICalendarSelectionSingleDateDelegate
108 |
109 | extension CalendarView.Coordinator: UICalendarSelectionSingleDateDelegate {
    |                                     `- error: cannot find type 'UICalendarSelectionSingleDateDelegate' in scope
110 |     // MARK: Getting selectable dates
111 |
/Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView+Coordinator.swift:119:22: error: cannot find type 'UICalendarSelectionSingleDate' in scope
117 |     ///   - dateComponents: Date components that represent a date the user selected, or `nil` if the user deselected a date.
118 |     public func dateSelection(
119 |         _ selection: UICalendarSelectionSingleDate,
    |                      `- error: cannot find type 'UICalendarSelectionSingleDate' in scope
120 |         didSelectDate dateComponents: DateComponents?
121 |     ) {
/Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView+Decoration.swift:11:39: error: cannot find type 'UICalendarView' in scope
  9 |
 10 | extension CalendarView {
 11 |     public typealias DecorationSize = UICalendarView.DecorationSize
    |                                       `- error: cannot find type 'UICalendarView' in scope
 12 |
 13 |     /// A view that a calendar view displays for a specific date.
/Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView+Decoration.swift:15:34: error: cannot find type 'UICalendarView' in scope
 13 |     /// A view that a calendar view displays for a specific date.
 14 |     public struct Decoration: Sendable, Hashable {
 15 |         internal let decoration: UICalendarView.Decoration
    |                                  `- error: cannot find type 'UICalendarView' in scope
 16 |
 17 |         /// Creates a default calendar view decoration with a filled circle image, using the system fill color and medium size.
/Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView+Decoration.swift:22:36: error: cannot find type 'UICalendarView' in scope
 20 |         }
 21 |
 22 |         private init(_ decoration: UICalendarView.Decoration) {
    |                                    `- error: cannot find type 'UICalendarView' in scope
 23 |             self.decoration = decoration
 24 |         }
/Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView+Decoration.swift:70:22: error: cannot find type 'UIImage' in scope
 68 |         /// - Returns: A calendar view decoration.
 69 |         public static func image(
 70 |             _ image: UIImage?,
    |                      `- error: cannot find type 'UIImage' in scope
 71 |             color: Color? = nil,
 72 |             size: DecorationSize = .medium
/Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView+Decoration.swift:14:19: error: type 'CalendarView.Decoration' does not conform to protocol 'Hashable'
 12 |
 13 |     /// A view that a calendar view displays for a specific date.
 14 |     public struct Decoration: Sendable, Hashable {
    |                   `- error: type 'CalendarView.Decoration' does not conform to protocol 'Hashable'
 15 |         internal let decoration: UICalendarView.Decoration
    |                      `- note: stored property type '_' does not conform to protocol 'Hashable', preventing synthesized conformance of 'CalendarView.Decoration' to 'Hashable'
 16 |
 17 |         /// Creates a default calendar view decoration with a filled circle image, using the system fill color and medium size.
/Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView+Decoration.swift:14:19: error: type 'CalendarView.Decoration' does not conform to protocol 'Equatable'
 12 |
 13 |     /// A view that a calendar view displays for a specific date.
 14 |     public struct Decoration: Sendable, Hashable {
    |                   |- error: type 'CalendarView.Decoration' does not conform to protocol 'Equatable'
    |                   `- note: add stubs for conformance
 15 |         internal let decoration: UICalendarView.Decoration
    |                      `- note: stored property type '_' does not conform to protocol 'Equatable', preventing synthesized conformance of 'CalendarView.Decoration' to 'Equatable'
 16 |
 17 |         /// Creates a default calendar view decoration with a filled circle image, using the system fill color and medium size.
Swift.==:1:24: note: candidate would match if 'CalendarView.Decoration' conformed to 'RawRepresentable'
1 | @inlinable public func == <T>(lhs: T, rhs: T) -> Bool where T : RawRepresentable, T.RawValue : Equatable
  |                        `- note: candidate would match if 'CalendarView.Decoration' conformed to 'RawRepresentable'
Swift.FloatingPoint.==:2:20: note: candidate would match if 'CalendarView.Decoration' conformed to 'FloatingPoint'
1 | protocol FloatingPoint {
2 | public static func == (lhs: Self, rhs: Self) -> Bool}
  |                    `- note: candidate would match if 'CalendarView.Decoration' conformed to 'FloatingPoint'
3 |
Swift.BinaryInteger.==:2:20: note: candidate would match if 'CalendarView.Decoration' conformed to 'BinaryInteger'
1 | protocol BinaryInteger {
2 | public static func == <Other>(lhs: Self, rhs: Other) -> Bool where Other : BinaryInteger}
  |                    `- note: candidate would match if 'CalendarView.Decoration' conformed to 'BinaryInteger'
3 |
Swift._Pointer.==:2:20: note: candidate would match if 'CalendarView.Decoration' conformed to '_Pointer'
1 | protocol _Pointer {
2 | public static func == (lhs: Self, rhs: Self) -> Bool}
  |                    `- note: candidate would match if 'CalendarView.Decoration' conformed to '_Pointer'
3 |
Swift._Pointer.==:2:31: note: candidate would match if 'CalendarView.Decoration' conformed to '_Pointer'
1 | protocol _Pointer {
2 | @inlinable public static func == <Other>(lhs: Self, rhs: Other) -> Bool where Other : _Pointer}
  |                               `- note: candidate would match if 'CalendarView.Decoration' conformed to '_Pointer'
3 |
Swift.Strideable.==:2:31: note: candidate would match if 'CalendarView.Decoration' conformed to 'Strideable'
1 | protocol Strideable {
2 | @inlinable public static func == (x: Self, y: Self) -> Bool}
  |                               `- note: candidate would match if 'CalendarView.Decoration' conformed to 'Strideable'
3 |
Swift.StringProtocol.==:2:31: note: candidate would match if 'CalendarView.Decoration' conformed to 'StringProtocol'
1 | protocol StringProtocol {
2 | @inlinable public static func == <RHS>(lhs: Self, rhs: RHS) -> Bool where RHS : StringProtocol}
  |                               `- note: candidate would match if 'CalendarView.Decoration' conformed to 'StringProtocol'
3 |
Swift.SIMD.==:2:20: note: candidate would match if 'CalendarView.Decoration' conformed to 'SIMD'
1 | protocol SIMD {
2 | public static func == (a: Self, b: Self) -> Bool}
  |                    `- note: candidate would match if 'CalendarView.Decoration' conformed to 'SIMD'
3 |
Foundation.AttributedStringProtocol.==:2:20: note: candidate would match if 'CalendarView.Decoration' conformed to 'AttributedStringProtocol'
1 | protocol AttributedStringProtocol {
2 | public static func == <RHS>(lhs: Self, rhs: RHS) -> Bool where RHS : AttributedStringProtocol}
  |                    `- note: candidate would match if 'CalendarView.Decoration' conformed to 'AttributedStringProtocol'
3 |
Foundation._BridgedStoredNSError.==:2:20: note: candidate would match if 'CalendarView.Decoration' conformed to '_BridgedStoredNSError'
1 | protocol _BridgedStoredNSError {
2 | public static func == (lhs: Self, rhs: Self) -> Bool}
  |                    `- note: candidate would match if 'CalendarView.Decoration' conformed to '_BridgedStoredNSError'
3 |
CoreFoundation._CFObject.==:2:20: note: candidate would match if 'CalendarView.Decoration' conformed to '_CFObject'
1 | protocol _CFObject {
2 | public static func == (left: Self, right: Self) -> Bool}
  |                    `- note: candidate would match if 'CalendarView.Decoration' conformed to '_CFObject'
3 |
Swift.Equatable.==:2:13: note: protocol requires function '==' with type '(borrowing CalendarView.Decoration, borrowing CalendarView.Decoration) -> Bool'
1 | protocol Equatable {
2 | static func == (lhs: borrowing Self, rhs: borrowing Self) -> Bool}
  |             `- note: protocol requires function '==' with type '(borrowing CalendarView.Decoration, borrowing CalendarView.Decoration) -> Bool'
3 |
/Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView+Previews.swift:69:5: error: cannot find 'UICalendarView' in scope
67 | @available(iOS 17, *)
68 | #Preview {
69 |     UICalendarView(frame: .zero)
   |     `- error: cannot find 'UICalendarView' in scope
70 | }
71 |
/Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView.swift:90:49: error: cannot find type 'UICalendarView' in scope
 88 |     }
 89 |
 90 |     public func makeUIView(context: Context) -> UICalendarView {
    |                                                 `- error: cannot find type 'UICalendarView' in scope
 91 |         let view = UICalendarView(frame: .zero)
 92 |
/Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView.swift:90:37: error: cannot find type 'Context' in scope
 88 |     }
 89 |
 90 |     public func makeUIView(context: Context) -> UICalendarView {
    |                                     `- error: cannot find type 'Context' in scope
 91 |         let view = UICalendarView(frame: .zero)
 92 |
/Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView.swift:118:40: error: cannot find type 'UICalendarView' in scope
116 |     }
117 |
118 |     public func updateUIView(_ uiView: UICalendarView, context: Context) {
    |                                        `- error: cannot find type 'UICalendarView' in scope
119 |         context.coordinator.isUpdatingView = true
120 |         defer { context.coordinator.isUpdatingView = false }
/Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView.swift:118:65: error: cannot find type 'Context' in scope
116 |     }
117 |
118 |     public func updateUIView(_ uiView: UICalendarView, context: Context) {
    |                                                                 `- error: cannot find type 'Context' in scope
119 |         context.coordinator.isUpdatingView = true
120 |         defer { context.coordinator.isUpdatingView = false }
/Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView.swift:181:29: error: cannot find type 'UIFontDescriptor' in scope
179 |     // MARK: - Misc Modifier Properties
180 |
181 |     private var fontDesign: UIFontDescriptor.SystemDesign = .default
    |                             `- error: cannot find type 'UIFontDescriptor' in scope
182 |
183 |     /// A font design that the calendar view uses for displaying calendar text.
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/CalendarView/CalendarView+Coordinator.swift /Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView+Decoration.swift /Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView+Previews.swift /Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView+SelectionMode.swift /Users/admin/builder/spi-builder-workspace/Sources/CalendarView/CalendarView.swift /Users/admin/builder/spi-builder-workspace/Sources/CalendarView/Convenience\ Extensions/DateInterval+RangeInit.swift /Users/admin/builder/spi-builder-workspace/Sources/CalendarView/Convenience\ Extensions/EnvironmentModifiers.swift /Users/admin/builder/spi-builder-workspace/Sources/CalendarView/Internal\ Extensions/Array+Duplicates.swift /Users/admin/builder/spi-builder-workspace/Sources/CalendarView/Internal\ Extensions/Binding+Map.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/CalendarView.build/Debug/CalendarView-t.build/Objects-normal/arm64/CalendarView-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/CalendarView.build/Debug/CalendarView-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/CalendarView.build/Debug/CalendarView-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/CalendarView.build/Debug/CalendarView-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name CalendarView -package-name spi_builder_workspace -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/CalendarView.build/Debug/CalendarView-t.build/Objects-normal/arm64/CalendarView_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 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error: Build failed
BUILD FAILURE 6.4 macosSpm