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Build Information

Failed to build swift-cross-ui, reference v0.1.0 (2f09b6), with Swift 6.1 for macOS (SPM) on 1 May 2025 07:10:42 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.61.2
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/wabiverse/swift-cross-ui.git
Reference: v0.1.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/wabiverse/swift-cross-ui
 * tag               v0.1.0     -> FETCH_HEAD
HEAD is now at 2f09b62 Remove accidental usage of if-expressions (GitHub Actions aren't using Swift 5.9)
Cloned https://github.com/wabiverse/swift-cross-ui.git
Revision (git rev-parse @):
2f09b62b487e720fdbad6c425a605ded457b1b19
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/wabiverse/swift-cross-ui.git at v0.1.0
warning: 'spi-builder-workspace': Failed to get gtk version
/bin/bash: gtk4-launch: command not found
/bin/bash: qmake: command not found
/bin/bash: sdl2-config: command not found
Fetching https://github.com/migueldeicaza/TermKit
[1/1971] Fetching termkit
Fetched https://github.com/migueldeicaza/TermKit from cache (1.18s)
Fetching https://github.com/migueldeicaza/SwiftTerm.git
Fetching https://github.com/apple/swift-docc-plugin
Fetching https://github.com/migueldeicaza/TextBufferKit.git
Fetching https://github.com/PADL/LVGLSwift
Fetching https://github.com/Longhanks/qlift
Fetching https://github.com/OpenCombine/OpenCombine.git
Fetching https://github.com/apple/swift-collections.git from cache
[1/6483] Fetching swiftterm
[2/9042] Fetching swiftterm, qlift
[79/9282] Fetching swiftterm, qlift, textbufferkit
[132/9977] Fetching swiftterm, qlift, textbufferkit, lvglswift
[393/12026] Fetching swiftterm, qlift, textbufferkit, lvglswift, swift-docc-plugin
[3047/20306] Fetching swiftterm, qlift, textbufferkit, lvglswift, swift-docc-plugin, opencombine
Fetched https://github.com/migueldeicaza/SwiftTerm.git from cache (1.15s)
[10201/13823] Fetching qlift, textbufferkit, lvglswift, swift-docc-plugin, opencombine
Fetching https://github.com/lhoward/AsyncExtensions
Fetched https://github.com/PADL/LVGLSwift from cache (1.27s)
Fetched https://github.com/apple/swift-docc-plugin from cache (1.27s)
Fetched https://github.com/Longhanks/qlift from cache (1.27s)
Fetching https://github.com/CoreOffice/XMLCoder
Fetching https://github.com/apple/swift-syntax.git
Fetched https://github.com/OpenCombine/OpenCombine.git from cache (1.32s)
Fetched https://github.com/migueldeicaza/TextBufferKit.git from cache (1.32s)
Fetched https://github.com/apple/swift-collections.git from cache (1.32s)
[1/682] Fetching asyncextensions
[418/10693] Fetching asyncextensions, xmlcoder
Fetched https://github.com/lhoward/AsyncExtensions from cache (0.82s)
[101/10011] Fetching xmlcoder
[10012/80302] Fetching xmlcoder, swift-syntax
Fetched https://github.com/CoreOffice/XMLCoder from cache (3.31s)
Fetched https://github.com/apple/swift-syntax.git from cache (3.31s)
Computing version for https://github.com/migueldeicaza/SwiftTerm.git
Computed https://github.com/migueldeicaza/SwiftTerm.git at 1.2.4 (5.22s)
Computing version for https://github.com/migueldeicaza/TextBufferKit.git
Computed https://github.com/migueldeicaza/TextBufferKit.git at 0.3.0 (0.58s)
Computing version for https://github.com/OpenCombine/OpenCombine.git
Computed https://github.com/OpenCombine/OpenCombine.git at 0.14.0 (0.61s)
Computing version for https://github.com/apple/swift-docc-plugin
Computed https://github.com/apple/swift-docc-plugin at 1.0.0 (0.58s)
Computing version for https://github.com/apple/swift-syntax.git
Computed https://github.com/apple/swift-syntax.git at 508.0.1 (0.64s)
Computing version for https://github.com/CoreOffice/XMLCoder
Computed https://github.com/CoreOffice/XMLCoder at 0.17.1 (0.55s)
Creating working copy for https://github.com/CoreOffice/XMLCoder
Working copy of https://github.com/CoreOffice/XMLCoder resolved at 0.17.1
Creating working copy for https://github.com/OpenCombine/OpenCombine.git
Working copy of https://github.com/OpenCombine/OpenCombine.git resolved at 0.14.0
Creating working copy for https://github.com/apple/swift-docc-plugin
Working copy of https://github.com/apple/swift-docc-plugin resolved at 1.0.0
Creating working copy for https://github.com/migueldeicaza/TextBufferKit.git
Working copy of https://github.com/migueldeicaza/TextBufferKit.git resolved at 0.3.0
Creating working copy for https://github.com/apple/swift-syntax.git
Working copy of https://github.com/apple/swift-syntax.git resolved at 508.0.1
Creating working copy for https://github.com/migueldeicaza/SwiftTerm.git
Working copy of https://github.com/migueldeicaza/SwiftTerm.git resolved at 1.2.4
Creating working copy for https://github.com/migueldeicaza/TermKit
Working copy of https://github.com/migueldeicaza/TermKit resolved at 3bce85d1bafbbb0336b3b7b7e905c35754cb9adf
========================================
ResolveProductDependencies
========================================
Resolving dependencies ...
Fetching https://github.com/wabiverse/swift-cross-ui.git
[1/13642] Fetching swift-cross-ui
Fetched https://github.com/wabiverse/swift-cross-ui.git from cache (1.25s)
warning: 'swift-cross-ui': Failed to get gtk version
/bin/bash: gtk4-launch: command not found
/bin/bash: qmake: command not found
/bin/bash: sdl2-config: command not found
Fetching https://github.com/migueldeicaza/TermKit from cache
Fetched https://github.com/migueldeicaza/TermKit from cache (0.42s)
Fetching https://github.com/migueldeicaza/TextBufferKit.git from cache
Fetching https://github.com/migueldeicaza/SwiftTerm.git from cache
Fetching https://github.com/OpenCombine/OpenCombine.git from cache
Fetched https://github.com/migueldeicaza/SwiftTerm.git from cache (0.43s)
Fetched https://github.com/OpenCombine/OpenCombine.git from cache (0.45s)
Fetched https://github.com/migueldeicaza/TextBufferKit.git from cache (0.45s)
Computing version for https://github.com/migueldeicaza/TextBufferKit.git
Computed https://github.com/migueldeicaza/TextBufferKit.git at 0.3.0 (0.50s)
Computing version for https://github.com/OpenCombine/OpenCombine.git
Computed https://github.com/OpenCombine/OpenCombine.git at 0.14.0 (0.04s)
Computing version for https://github.com/migueldeicaza/SwiftTerm.git
Computed https://github.com/migueldeicaza/SwiftTerm.git at 1.2.5 (0.57s)
Creating working copy for https://github.com/migueldeicaza/TextBufferKit.git
Working copy of https://github.com/migueldeicaza/TextBufferKit.git resolved at 0.3.0
Creating working copy for https://github.com/OpenCombine/OpenCombine.git
Working copy of https://github.com/OpenCombine/OpenCombine.git resolved at 0.14.0
Creating working copy for https://github.com/wabiverse/swift-cross-ui.git
Working copy of https://github.com/wabiverse/swift-cross-ui.git resolved at v0.1.0 (2f09b62)
Creating working copy for https://github.com/migueldeicaza/TermKit
Working copy of https://github.com/migueldeicaza/TermKit resolved at 3bce85d1bafbbb0336b3b7b7e905c35754cb9adf
Creating working copy for https://github.com/migueldeicaza/SwiftTerm.git
Working copy of https://github.com/migueldeicaza/SwiftTerm.git resolved at 1.2.5
warning: 'swift-cross-ui': Failed to get gtk version
/bin/bash: gtk4-launch: command not found
/bin/bash: qmake: command not found
/bin/bash: sdl2-config: command not found
error: 'swift-cross-ui': unknown dependency 'GtkBackend' in target 'CounterExample'; valid dependencies are: 'XMLCoder' (from 'https://github.com/CoreOffice/XMLCoder'), 'swift-syntax' (from 'https://github.com/apple/swift-syntax.git'), 'swift-docc-plugin' (from 'https://github.com/apple/swift-docc-plugin'), 'TermKit' (from 'https://github.com/migueldeicaza/TermKit')
error: 'swift-cross-ui': unknown dependency 'GtkBackend' in target 'RandomNumberGeneratorExample'; valid dependencies are: 'XMLCoder' (from 'https://github.com/CoreOffice/XMLCoder'), 'swift-syntax' (from 'https://github.com/apple/swift-syntax.git'), 'swift-docc-plugin' (from 'https://github.com/apple/swift-docc-plugin'), 'TermKit' (from 'https://github.com/migueldeicaza/TermKit')
error: 'swift-cross-ui': unknown dependency 'GtkBackend' in target 'WindowPropertiesExample'; valid dependencies are: 'XMLCoder' (from 'https://github.com/CoreOffice/XMLCoder'), 'swift-syntax' (from 'https://github.com/apple/swift-syntax.git'), 'swift-docc-plugin' (from 'https://github.com/apple/swift-docc-plugin'), 'TermKit' (from 'https://github.com/migueldeicaza/TermKit')
error: 'swift-cross-ui': unknown dependency 'GtkBackend' in target 'GreetingGeneratorExample'; valid dependencies are: 'XMLCoder' (from 'https://github.com/CoreOffice/XMLCoder'), 'swift-syntax' (from 'https://github.com/apple/swift-syntax.git'), 'swift-docc-plugin' (from 'https://github.com/apple/swift-docc-plugin'), 'TermKit' (from 'https://github.com/migueldeicaza/TermKit')
error: 'swift-cross-ui': unknown dependency 'GtkBackend' in target 'FileViewerExample'; valid dependencies are: 'XMLCoder' (from 'https://github.com/CoreOffice/XMLCoder'), 'swift-syntax' (from 'https://github.com/apple/swift-syntax.git'), 'swift-docc-plugin' (from 'https://github.com/apple/swift-docc-plugin'), 'TermKit' (from 'https://github.com/migueldeicaza/TermKit')
error: 'swift-cross-ui': unknown dependency 'CGtk' in target 'FileViewerExample'; valid dependencies are: 'XMLCoder' (from 'https://github.com/CoreOffice/XMLCoder'), 'swift-syntax' (from 'https://github.com/apple/swift-syntax.git'), 'swift-docc-plugin' (from 'https://github.com/apple/swift-docc-plugin'), 'TermKit' (from 'https://github.com/migueldeicaza/TermKit')
error: 'swift-cross-ui': unknown dependency 'GtkBackend' in target 'NavigationExample'; valid dependencies are: 'XMLCoder' (from 'https://github.com/CoreOffice/XMLCoder'), 'swift-syntax' (from 'https://github.com/apple/swift-syntax.git'), 'swift-docc-plugin' (from 'https://github.com/apple/swift-docc-plugin'), 'TermKit' (from 'https://github.com/migueldeicaza/TermKit')
error: 'swift-cross-ui': unknown dependency 'GtkBackend' in target 'SplitExample'; valid dependencies are: 'XMLCoder' (from 'https://github.com/CoreOffice/XMLCoder'), 'swift-syntax' (from 'https://github.com/apple/swift-syntax.git'), 'swift-docc-plugin' (from 'https://github.com/apple/swift-docc-plugin'), 'TermKit' (from 'https://github.com/migueldeicaza/TermKit')
error: 'swift-cross-ui': unknown dependency 'GtkBackend' in target 'SpreadsheetExample'; valid dependencies are: 'XMLCoder' (from 'https://github.com/CoreOffice/XMLCoder'), 'swift-syntax' (from 'https://github.com/apple/swift-syntax.git'), 'swift-docc-plugin' (from 'https://github.com/apple/swift-docc-plugin'), 'TermKit' (from 'https://github.com/migueldeicaza/TermKit')
error: 'swift-cross-ui': unknown dependency 'GtkBackend' in target 'CounterExample'; valid dependencies are: 'XMLCoder' (from 'https://github.com/CoreOffice/XMLCoder'), 'swift-syntax' (from 'https://github.com/apple/swift-syntax.git'), 'swift-docc-plugin' (from 'https://github.com/apple/swift-docc-plugin'), 'TermKit' (from 'https://github.com/migueldeicaza/TermKit')
error: 'swift-cross-ui': unknown dependency 'GtkBackend' in target 'RandomNumberGeneratorExample'; valid dependencies are: 'XMLCoder' (from 'https://github.com/CoreOffice/XMLCoder'), 'swift-syntax' (from 'https://github.com/apple/swift-syntax.git'), 'swift-docc-plugin' (from 'https://github.com/apple/swift-docc-plugin'), 'TermKit' (from 'https://github.com/migueldeicaza/TermKit')
error: 'swift-cross-ui': unknown dependency 'GtkBackend' in target 'WindowPropertiesExample'; valid dependencies are: 'XMLCoder' (from 'https://github.com/CoreOffice/XMLCoder'), 'swift-syntax' (from 'https://github.com/apple/swift-syntax.git'), 'swift-docc-plugin' (from 'https://github.com/apple/swift-docc-plugin'), 'TermKit' (from 'https://github.com/migueldeicaza/TermKit')
error: 'swift-cross-ui': unknown dependency 'GtkBackend' in target 'GreetingGeneratorExample'; valid dependencies are: 'XMLCoder' (from 'https://github.com/CoreOffice/XMLCoder'), 'swift-syntax' (from 'https://github.com/apple/swift-syntax.git'), 'swift-docc-plugin' (from 'https://github.com/apple/swift-docc-plugin'), 'TermKit' (from 'https://github.com/migueldeicaza/TermKit')
error: 'swift-cross-ui': unknown dependency 'GtkBackend' in target 'FileViewerExample'; valid dependencies are: 'XMLCoder' (from 'https://github.com/CoreOffice/XMLCoder'), 'swift-syntax' (from 'https://github.com/apple/swift-syntax.git'), 'swift-docc-plugin' (from 'https://github.com/apple/swift-docc-plugin'), 'TermKit' (from 'https://github.com/migueldeicaza/TermKit')
error: 'swift-cross-ui': unknown dependency 'CGtk' in target 'FileViewerExample'; valid dependencies are: 'XMLCoder' (from 'https://github.com/CoreOffice/XMLCoder'), 'swift-syntax' (from 'https://github.com/apple/swift-syntax.git'), 'swift-docc-plugin' (from 'https://github.com/apple/swift-docc-plugin'), 'TermKit' (from 'https://github.com/migueldeicaza/TermKit')
error: 'swift-cross-ui': unknown dependency 'GtkBackend' in target 'NavigationExample'; valid dependencies are: 'XMLCoder' (from 'https://github.com/CoreOffice/XMLCoder'), 'swift-syntax' (from 'https://github.com/apple/swift-syntax.git'), 'swift-docc-plugin' (from 'https://github.com/apple/swift-docc-plugin'), 'TermKit' (from 'https://github.com/migueldeicaza/TermKit')
error: 'swift-cross-ui': unknown dependency 'GtkBackend' in target 'SplitExample'; valid dependencies are: 'XMLCoder' (from 'https://github.com/CoreOffice/XMLCoder'), 'swift-syntax' (from 'https://github.com/apple/swift-syntax.git'), 'swift-docc-plugin' (from 'https://github.com/apple/swift-docc-plugin'), 'TermKit' (from 'https://github.com/migueldeicaza/TermKit')
error: 'swift-cross-ui': unknown dependency 'GtkBackend' in target 'SpreadsheetExample'; valid dependencies are: 'XMLCoder' (from 'https://github.com/CoreOffice/XMLCoder'), 'swift-syntax' (from 'https://github.com/apple/swift-syntax.git'), 'swift-docc-plugin' (from 'https://github.com/apple/swift-docc-plugin'), 'TermKit' (from 'https://github.com/migueldeicaza/TermKit')
error: exhausted attempts to resolve the dependencies graph, with the following dependencies unresolved:
* 'swift-cross-ui' from https://github.com/wabiverse/swift-cross-ui.git
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/wabiverse/swift-cross-ui.git
https://github.com/wabiverse/swift-cross-ui.git
{
  "dependencies" : [
    {
      "identity" : "xmlcoder",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.17.1",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/CoreOffice/XMLCoder"
    },
    {
      "identity" : "swift-syntax",
      "requirement" : {
        "range" : [
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            "lower_bound" : "508.0.0",
            "upper_bound" : "509.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-syntax.git"
    },
    {
      "identity" : "swift-docc-plugin",
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      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-docc-plugin"
    },
    {
      "identity" : "termkit",
      "requirement" : {
        "revision" : [
          "3bce85d1bafbbb0336b3b7b7e905c35754cb9adf"
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/migueldeicaza/TermKit"
    }
  ],
  "manifest_display_name" : "swift-cross-ui",
  "name" : "swift-cross-ui",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.15"
    }
  ],
  "products" : [
    {
      "name" : "SwiftCrossUI",
      "targets" : [
        "SwiftCrossUI",
        "AppKitBackend",
        "CursesBackend"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "CounterExample",
      "targets" : [
        "CounterExample"
      ],
      "type" : {
        "executable" : null
      }
    },
    {
      "name" : "RandomNumberGeneratorExample",
      "targets" : [
        "RandomNumberGeneratorExample"
      ],
      "type" : {
        "executable" : null
      }
    },
    {
      "name" : "WindowPropertiesExample",
      "targets" : [
        "WindowPropertiesExample"
      ],
      "type" : {
        "executable" : null
      }
    },
    {
      "name" : "GreetingGeneratorExample",
      "targets" : [
        "GreetingGeneratorExample"
      ],
      "type" : {
        "executable" : null
      }
    },
    {
      "name" : "FileViewerExample",
      "targets" : [
        "FileViewerExample"
      ],
      "type" : {
        "executable" : null
      }
    },
    {
      "name" : "NavigationExample",
      "targets" : [
        "NavigationExample"
      ],
      "type" : {
        "executable" : null
      }
    },
    {
      "name" : "SplitExample",
      "targets" : [
        "SplitExample"
      ],
      "type" : {
        "executable" : null
      }
    },
    {
      "name" : "SpreadsheetExample",
      "targets" : [
        "SpreadsheetExample"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "WindowPropertiesExample",
      "module_type" : "SwiftTarget",
      "name" : "WindowPropertiesExample",
      "path" : "Examples/WindowProperties",
      "product_dependencies" : [
        "GtkBackend"
      ],
      "product_memberships" : [
        "WindowPropertiesExample"
      ],
      "resources" : [
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Examples/WindowProperties/Banner.png",
          "rule" : {
            "copy" : {
            }
          }
        }
      ],
      "sources" : [
        "WindowPropertiesApp.swift"
      ],
      "target_dependencies" : [
        "SwiftCrossUI"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "SwiftCrossUITests",
      "module_type" : "SwiftTarget",
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      "path" : "Tests/SwiftCrossUITests",
      "sources" : [
        "SwiftCrossUITests.swift"
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      "target_dependencies" : [
        "SwiftCrossUI"
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      "type" : "test"
    },
    {
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      "product_memberships" : [
        "SwiftCrossUI",
        "CounterExample",
        "RandomNumberGeneratorExample",
        "WindowPropertiesExample",
        "GreetingGeneratorExample",
        "FileViewerExample",
        "NavigationExample",
        "SplitExample",
        "SpreadsheetExample"
      ],
      "sources" : [
        "App.swift",
        "Backend/AnyWidget.swift",
        "Backend/AppBackend.swift",
        "Builders/TableBuilder.swift",
        "Builders/ViewContentBuilder.swift",
        "Color.swift",
        "Modifiers/ForegroundColor.swift",
        "Modifiers/Frame.swift",
        "Modifiers/Padding.swift",
        "State/AppState.swift",
        "State/Binding.swift",
        "State/Cancellable.swift",
        "State/EmptyAppState.swift",
        "State/EmptyState.swift",
        "State/EmptyViewState.swift",
        "State/Observable.swift",
        "State/Observed.swift",
        "State/Publisher.swift",
        "State/ViewState.swift",
        "Util/LinkedList.swift",
        "Values/Edge.swift",
        "ViewGraph/AnyViewGraphNode.swift",
        "ViewGraph/ViewGraph.swift",
        "ViewGraph/ViewGraphNode.swift",
        "ViewGraph/ViewGraphNodeChildren.swift",
        "Views/Button.swift",
        "Views/EitherView.swift",
        "Views/ForEach.swift",
        "Views/HStack.swift",
        "Views/Image.swift",
        "Views/NavigationLink.swift",
        "Views/NavigationPath.swift",
        "Views/NavigationSplitView.swift",
        "Views/NavigationStack.swift",
        "Views/OptionalView.swift",
        "Views/Picker.swift",
        "Views/ScrollView.swift",
        "Views/Slider.swift",
        "Views/Spacer.swift",
        "Views/Table.swift",
        "Views/TableColumn.swift",
        "Views/Text.swift",
        "Views/TextField.swift",
        "Views/VStack.swift",
        "Views/View.swift",
        "Views/ViewContent.swift",
        "WindowProperties.swift",
        "_App.swift"
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      "type" : "library"
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    {
      "c99name" : "SpreadsheetExample",
      "module_type" : "SwiftTarget",
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        "SpreadsheetApp.swift"
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        "SwiftCrossUI"
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      "product_memberships" : [
        "SplitExample"
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      "sources" : [
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      "target_dependencies" : [
        "SwiftCrossUI"
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      "type" : "executable"
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    {
      "c99name" : "RandomNumberGeneratorExample",
      "module_type" : "SwiftTarget",
      "name" : "RandomNumberGeneratorExample",
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      "product_dependencies" : [
        "GtkBackend"
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      "product_memberships" : [
        "RandomNumberGeneratorExample"
      ],
      "sources" : [
        "RandomNumberGeneratorApp.swift"
      ],
      "target_dependencies" : [
        "SwiftCrossUI"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "NavigationExample",
      "module_type" : "SwiftTarget",
      "name" : "NavigationExample",
      "path" : "Examples/Navigation",
      "product_dependencies" : [
        "GtkBackend"
      ],
      "product_memberships" : [
        "NavigationExample"
      ],
      "sources" : [
        "NavigationApp.swift"
      ],
      "target_dependencies" : [
        "SwiftCrossUI"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "GreetingGeneratorExample",
      "module_type" : "SwiftTarget",
      "name" : "GreetingGeneratorExample",
      "path" : "Examples/GreetingGenerator",
      "product_dependencies" : [
        "GtkBackend"
      ],
      "product_memberships" : [
        "GreetingGeneratorExample"
      ],
      "sources" : [
        "GreetingGenerator.swift"
      ],
      "target_dependencies" : [
        "SwiftCrossUI"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "FileViewerExample",
      "module_type" : "SwiftTarget",
      "name" : "FileViewerExample",
      "path" : "Examples/FileViewer",
      "product_dependencies" : [
        "GtkBackend",
        "CGtk"
      ],
      "product_memberships" : [
        "FileViewerExample"
      ],
      "sources" : [
        "FileViewerApp.swift"
      ],
      "target_dependencies" : [
        "SwiftCrossUI"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "CursesBackend",
      "module_type" : "SwiftTarget",
      "name" : "CursesBackend",
      "path" : "Sources/CursesBackend",
      "product_dependencies" : [
        "TermKit"
      ],
      "product_memberships" : [
        "SwiftCrossUI"
      ],
      "sources" : [
        "CursesBackend.swift"
      ],
      "target_dependencies" : [
        "SwiftCrossUI"
      ],
      "type" : "library"
    },
    {
      "c99name" : "CounterExample",
      "module_type" : "SwiftTarget",
      "name" : "CounterExample",
      "path" : "Examples/Counter",
      "product_dependencies" : [
        "GtkBackend"
      ],
      "product_memberships" : [
        "CounterExample"
      ],
      "sources" : [
        "CounterApp.swift"
      ],
      "target_dependencies" : [
        "SwiftCrossUI"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "AppKitBackend",
      "module_type" : "SwiftTarget",
      "name" : "AppKitBackend",
      "path" : "Sources/AppKitBackend",
      "product_memberships" : [
        "SwiftCrossUI"
      ],
      "sources" : [
        "AppKitBackend.swift"
      ],
      "target_dependencies" : [
        "SwiftCrossUI"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.5"
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -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
warning: 'spi-builder-workspace': Failed to get gtk version
/bin/bash: gtk4-launch: command not found
/bin/bash: qmake: command not found
/bin/bash: sdl2-config: command not found
error: 'spi-builder-workspace': product 'GtkBackend' required by package 'spi-builder-workspace' target 'WindowPropertiesExample' not found. Did you mean 'AppKitBackend'?
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64
error: 'spi-builder-workspace': product 'GtkBackend' required by package 'spi-builder-workspace' target 'WindowPropertiesExample' not found. Did you mean 'AppKitBackend'?
BUILD FAILURE 6.1 macosSpm