Build Information
Failed to build FlexLayout, reference master (b1fcc8), with Swift 6.3 for macOS (SPM) on 21 Apr 2026 20:54:10 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64Build Log
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RunAll
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Builder version: 4.70.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/layoutbox/flexlayout.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/layoutbox/flexlayout
* branch master -> FETCH_HEAD
* [new branch] master -> origin/master
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 master
Fetching https://github.com/facebook/yoga.git
[1/44386] Fetching yoga
Fetched https://github.com/facebook/yoga.git from cache (3.70s)
Computing version for https://github.com/facebook/yoga.git
Computed https://github.com/facebook/yoga.git at 3.2.1 (4.42s)
Creating working copy for https://github.com/facebook/yoga.git
Working copy of https://github.com/facebook/yoga.git resolved at 3.2.1
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ResolveProductDependencies
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Resolving dependencies ...
{
"identity": ".resolve-product-dependencies",
"name": "resolve-dependencies",
"url": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
"version": "unspecified",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
"traits": [
"default"
],
"dependencies": [
{
"identity": "flexlayout",
"name": "FlexLayout",
"url": "https://github.com/layoutbox/flexlayout.git",
"version": "unspecified",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/flexlayout",
"traits": [
"default"
],
"dependencies": [
{
"identity": "yoga",
"name": "yoga",
"url": "https://github.com/facebook/yoga.git",
"version": "3.2.1",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/yoga",
"traits": [
"default"
],
"dependencies": [
]
}
]
}
]
}
Fetching https://github.com/layoutbox/flexlayout.git
[1/5577] Fetching flexlayout
Fetched https://github.com/layoutbox/flexlayout.git from cache (1.72s)
Fetching https://github.com/facebook/yoga.git from cache
Fetched https://github.com/facebook/yoga.git from cache (0.66s)
Computing version for https://github.com/facebook/yoga.git
Computed https://github.com/facebook/yoga.git at 3.2.1 (0.72s)
Creating working copy for https://github.com/facebook/yoga.git
Working copy of https://github.com/facebook/yoga.git resolved at 3.2.1
Creating working copy for https://github.com/layoutbox/flexlayout.git
Working copy of https://github.com/layoutbox/flexlayout.git resolved at master (b1fcc81)
warning: '.resolve-product-dependencies': dependency 'flexlayout' is not used by any target
Found 1 product dependencies
- yoga
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Build
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Selected platform: macosSpm
Swift version: 6.3
Building package at path: $PWD
https://github.com/layoutbox/flexlayout.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64
Building for debugging...
[0/25] Write swift-version--6988338F2F200930.txt
[1/25] Compiling YGEnums.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.
[2/25] Compiling FlexLayoutYogaKit YGLayout.mm
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.
[2/25] Compiling FlexLayoutYogaKit UIView+Yoga.mm
[2/25] Compiling LayoutResults.cpp
[2/25] Compiling Node.cpp
[2/25] Compiling YGValue.cpp
[2/25] Compiling YGNodeLayout.cpp
[2/25] Compiling YGNode.cpp
[2/25] Compiling YGConfig.cpp
[2/25] Compiling YGNodeStyle.cpp
[2/25] Compiling YGPixelGrid.cpp
BUILD FAILURE 6.3 macosSpm