Build Information
Failed to build OpenCV, reference main (a251a9), with Swift 6.3 for visionOS using Xcode 26.4 on 15 Apr 2026 00:24:32 UTC.
Build Command
No build command. This typically means the build failed at an early stage where we determine the build command.Build Log
========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
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
========================================
Build
========================================
Selected platform: visionOS
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)
2026-04-14 20:24:28.369 xcodebuild[627:3916] Writing error result bundle to /var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/ResultBundle_2026-14-04_20-24-0028.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)
2026-04-14 20:24:32.301 xcodebuild[816:5217] Writing error result bundle to /var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/ResultBundle_2026-14-04_20-24-0032.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 visionOS