Swift Package Index

Build Information

Failed to build OpenCV, reference main (a251a9), with Swift 6.3 for watchOS using Xcode 26.4 on 22 Apr 2026 16:15:16 UTC.

Build Command

No build command. This typically means the build failed at an early stage where we determine the build command.

Build 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/r0ml/OpenCV.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/r0ml/OpenCV
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at a251a99 fixing the problem with XCode 26 and ios shallow bundle validation
Submodule path 'opencv': checked out '49486f61fb25722cbcf586b7f4320921d46fb38e'
Submodule path 'opencv_contrib': checked out 'd943e1d61c8bc556a13783e1546ee7c1a9e0b1cf'
Submodule 'opencv' (https://github.com/opencv/opencv.git) registered for path 'opencv'
Submodule 'opencv_contrib' (https://github.com/opencv/opencv_contrib.git) registered for path 'opencv_contrib'
Cloning into '/Users/admin/builder/spi-builder-workspace/opencv'...
Cloning into '/Users/admin/builder/spi-builder-workspace/opencv_contrib'...
Cloned https://github.com/r0ml/OpenCV.git
Revision (git rev-parse @):
a251a99ec9e849530180a63ddf306fcfebefb251
SUCCESS checkout https://github.com/r0ml/OpenCV.git at main
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Build
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Selected platform:         watchOS
Swift version:             6.3
Building package at path:  $PWD
https://github.com/r0ml/OpenCV.git
Command line invocation:
    /Applications/Xcode-26.4.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Package: spi-builder-workspace
Resolve Package Graph
Package: spi-builder-workspace
Resolved source packages:
  spi-builder-workspace: (null)
2026-04-22 12:15:11.474 xcodebuild[664:4041] Writing error result bundle to /var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/ResultBundle_2026-22-04_12-15-0011.xcresult
xcodebuild: error: Could not resolve package dependencies:
  Reference to member 'v18' cannot be resolved without a contextual type
  /Users/admin/builder/spi-builder-workspace/Package.swift:8:13: error: reference to member 'v18' cannot be resolved without a contextual type
 6 |   name: "OpenCV",
 7 |   platforms: [
 8 |     .macOS(.v18), .iOS(.v18), .macCatalyst(.v18)
   |             `- error: reference to member 'v18' cannot be resolved without a contextual type
 9 |   ],
10 |   products: [
Command line invocation:
    /Applications/Xcode-26.4.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Package: spi-builder-workspace
Resolved source packages:
  spi-builder-workspace: (null)
2026-04-22 12:15:16.162 xcodebuild[850:5300] Writing error result bundle to /var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/ResultBundle_2026-22-04_12-15-0016.xcresult
xcodebuild: error: Could not resolve package dependencies:
  Reference to member 'v18' cannot be resolved without a contextual type
  /Users/admin/builder/spi-builder-workspace/Package.swift:8:13: error: reference to member 'v18' cannot be resolved without a contextual type
 6 |   name: "OpenCV",
 7 |   platforms: [
 8 |     .macOS(.v18), .iOS(.v18), .macCatalyst(.v18)
   |             `- error: reference to member 'v18' cannot be resolved without a contextual type
 9 |   ],
10 |   products: [
BUILD FAILURE 6.3 watchOS