Swift Package IndexBuild Information
Failed to build FlexLayout, reference 2.2.3 (b1fcc8), with Swift 6.1 for macOS (SPM) on 20 Dec 2025 18:02:18 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64Build Log
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RunAll
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Builder version: 4.68.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/layoutbox/flexlayout.git
Reference: 2.2.3
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/layoutbox/flexlayout
* tag 2.2.3 -> FETCH_HEAD
HEAD is now at b1fcc81 Update version to 2.2.3
Cloned https://github.com/layoutbox/flexlayout.git
Revision (git rev-parse @):
b1fcc81828e4b735c79d4c3fac35ef0754be0060
SUCCESS checkout https://github.com/layoutbox/flexlayout.git at 2.2.3
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Build
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Selected platform: macosSpm
Swift version: 6.1
Building package at path: $PWD
https://github.com/layoutbox/flexlayout.git
https://github.com/layoutbox/flexlayout.git
{
"cxx_language_standard" : "c++20",
"dependencies" : [
{
"identity" : "yoga",
"requirement" : {
"range" : [
{
"lower_bound" : "3.2.1",
"upper_bound" : "3.3.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/facebook/yoga.git"
}
],
"manifest_display_name" : "FlexLayout",
"name" : "FlexLayout",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "ios",
"version" : "13.0"
}
],
"products" : [
{
"name" : "FlexLayout",
"targets" : [
"FlexLayout"
],
"type" : {
"library" : [
"automatic"
]
}
},
{
"name" : "FlexLayout-Dynamic",
"targets" : [
"FlexLayout"
],
"type" : {
"library" : [
"dynamic"
]
}
}
],
"targets" : [
{
"c99name" : "FlexLayoutYogaKit",
"module_type" : "ClangTarget",
"name" : "FlexLayoutYogaKit",
"path" : "Sources/YogaKit",
"product_dependencies" : [
"yoga"
],
"product_memberships" : [
"FlexLayout",
"FlexLayout-Dynamic"
],
"sources" : [
"UIView+Yoga.mm",
"YGLayout.mm"
],
"type" : "library"
},
{
"c99name" : "FlexLayoutTests",
"module_type" : "SwiftTarget",
"name" : "FlexLayoutTests",
"path" : "Tests/FlexLayoutTests",
"sources" : [
"FlexLayoutTests.swift",
"InsetTests.swift",
"JustifyContentTests.swift",
"MarginTests.swift",
"PaddingTests.swift",
"WidthSizeContentTests.swift"
],
"target_dependencies" : [
"FlexLayout"
],
"type" : "test"
},
{
"c99name" : "FlexLayout",
"module_type" : "SwiftTarget",
"name" : "FlexLayout",
"path" : "Sources/Swift",
"product_memberships" : [
"FlexLayout",
"FlexLayout-Dynamic"
],
"sources" : [
"FlexLayout.swift",
"Impl/FlexLayout+Enum.swift",
"Impl/FlexLayout+Private.swift",
"Impl/UIView+FlexLayout.swift",
"Percent.swift",
"YGLayoutExtensions.swift"
],
"target_dependencies" : [
"FlexLayoutYogaKit"
],
"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
Building for debugging...
[0/25] Compiling YGEnums.cpp
[1/25] Write swift-version-2F0A5646E1D333AE.txt
[2/25] Compiling YGValue.cpp
[3/25] Compiling Cache.cpp
[4/25] Compiling AssertFatal.cpp
[4/25] Compiling YGConfig.cpp
[4/25] Compiling YGNodeLayout.cpp
[7/25] Compiling FlexLine.cpp
[8/25] Compiling YGNode.cpp
[9/25] Compiling AbsoluteLayout.cpp
[10/25] Compiling YGNodeStyle.cpp
[11/25] Compiling LayoutResults.cpp
[12/25] Compiling Node.cpp
[13/25] Write sources
[14/25] Compiling event.cpp
In file included from /Users/admin/builder/spi-builder-workspace/Sources/YogaKit/YGLayout.mm:8:
/Users/admin/builder/spi-builder-workspace/Sources/YogaKit/include/YogaKit/UIView+Yoga.h:8:9: fatal error: 'UIKit/UIKit.h' file not found
8 | #import <UIKit/UIKit.h>
| ^~~~~~~~~~~~~~~
1 error generated.
[15/25] Compiling FlexLayoutYogaKit YGLayout.mm
[15/25] Compiling Baseline.cpp
In file included from /Users/admin/builder/spi-builder-workspace/Sources/YogaKit/UIView+Yoga.mm:9:
/Users/admin/builder/spi-builder-workspace/Sources/YogaKit/include/YogaKit/UIView+Yoga.h:8:9: fatal error: 'UIKit/UIKit.h' file not found
8 | #import <UIKit/UIKit.h>
| ^~~~~~~~~~~~~~~
1 error generated.
[15/25] Compiling FlexLayoutYogaKit UIView+Yoga.mm
[15/25] Compiling Config.cpp
[15/25] Compiling YGPixelGrid.cpp
[15/25] Compiling Log.cpp
[15/25] Compiling CalculateLayout.cpp
[15/25] Compiling PixelGrid.cpp
Fetching https://github.com/facebook/yoga.git
[1/43796] Fetching yoga
Fetched https://github.com/facebook/yoga.git from cache (2.82s)
Computing version for https://github.com/facebook/yoga.git
Computed https://github.com/facebook/yoga.git at 3.2.1 (3.42s)
Creating working copy for https://github.com/facebook/yoga.git
Working copy of https://github.com/facebook/yoga.git resolved at 3.2.1
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64
[0/1] Planning build
Building for debugging...
[0/11] Write swift-version-2F0A5646E1D333AE.txt
In file included from /Users/admin/builder/spi-builder-workspace/Sources/YogaKit/UIView+Yoga.mm:9:
/Users/admin/builder/spi-builder-workspace/Sources/YogaKit/include/YogaKit/UIView+Yoga.h:8:9: fatal error: 'UIKit/UIKit.h' file not found
8 | #import <UIKit/UIKit.h>
| ^~~~~~~~~~~~~~~
1 error generated.
[1/11] Compiling FlexLayoutYogaKit UIView+Yoga.mm
[1/11] Compiling YGPixelGrid.cpp
In file included from /Users/admin/builder/spi-builder-workspace/Sources/YogaKit/YGLayout.mm:8:
/Users/admin/builder/spi-builder-workspace/Sources/YogaKit/include/YogaKit/UIView+Yoga.h:8:9: fatal error: 'UIKit/UIKit.h' file not found
8 | #import <UIKit/UIKit.h>
| ^~~~~~~~~~~~~~~
[1/11] Compiling FlexLayoutYogaKit YGLayout.mm
[1/11] Compiling Config.cpp
[1/11] Compiling CalculateLayout.cpp
[1/11] Compiling PixelGrid.cpp
[1/11] Compiling Log.cpp
[1/11] Compiling Baseline.cpp
BUILD FAILURE 6.1 macosSpm