Bug: Unable to run SwiftUI preview in ./examples/integration project #3189
Description
Description
Apologies with two bug reports, however I think they might be relevant given these are experienced on a clean repo's examples
I am experiencing this SwiftUI preview issue on ./examples/integration —
== PREVIEW UPDATE ERROR:
FailedToAnalyzeBuiltTargetDescription: Could not analyze the built target description for UI to create the preview.
buildableName: UI
==================================
| CouldNotParseLinkCommandLine: Could not parse linker command line.
|
| Full linker invocation:
| /Users/j/git/rules_xcodeproj/examples/integration/Integration.xcodeproj/rules_xcodeproj/bazel/ld
| -Xlinker
| -reproducible
| -target
| arm64-apple-ios15.0-simulator
| -dynamiclib
| -isysroot
| /Applications/Xcode-16.0.0.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator18.0.sdk
| -O0
| -L/Users/j/Library/Developer/Xcode/DerivedData/Integration-bghpkrhtmhauwshjrzrmqeigzklq/Build/Intermediates.noindex/EagerLinkingTBDs/Debug-iphonesimulator
| -F/Users/j/Library/Developer/Xcode/DerivedData/Integration-bghpkrhtmhauwshjrzrmqeigzklq/Build/Intermediates.noindex/EagerLinkingTBDs/Debug-iphonesimulator
| -filelist
| /Users/j/Library/Developer/Xcode/DerivedData/Integration-bghpkrhtmhauwshjrzrmqeigzklq/Build/Intermediates.noindex/Integration.build/bazel-out/ios_sim_arm64-dbg-ios-sim_arm64-min15.0-applebin_ios-ST-076e152330dd/bin/UI/UIFramework.iOS/Objects-normal/arm64/UIFramework.iOS.LinkFileList
| -dead_strip
| -Xlinker
| -object_path_lto
| -Xlinker
| /Users/j/Library/Developer/Xcode/DerivedData/Integration-bghpkrhtmhauwshjrzrmqeigzklq/Build/Intermediates.noindex/Integration.build/bazel-out/ios_sim_arm64-dbg-ios-sim_arm64-min15.0-applebin_ios-ST-076e152330dd/bin/UI/UIFramework.iOS/Objects-normal/arm64/UIFramework.iOS_lto.o
| -Xlinker
| -no_deduplicate
| -fapplication-extension
| -fobjc-link-runtime
| -L/Applications/Xcode-16.0.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/iphonesimulator
| -L/usr/lib/swift
| -Xlinker
| -add_ast_path
| -Xlinker
| /Users/j/Library/Developer/Xcode/DerivedData/Integration-bghpkrhtmhauwshjrzrmqeigzklq/Build/Intermediates.noindex/Integration.build/bazel-out/ios_sim_arm64-dbg-ios-sim_arm64-min15.0-applebin_ios-ST-076e152330dd/bin/UI/UIFramework.iOS/Objects-normal/arm64/UI.swiftmodule
| @/Users/j/Library/Developer/Xcode/DerivedData/Integration-bghpkrhtmhauwshjrzrmqeigzklq/Build/Intermediates.noindex/Integration.build/bazel-out/ios_sim_arm64-dbg-ios-sim_arm64-min15.0-applebin_ios-ST-076e152330dd/bin/UI/UIFramework.iOS/DerivedSources/link.params
| -Xlinker
| -dependency_info
| -Xlinker
| /Users/j/Library/Developer/Xcode/DerivedData/Integration-bghpkrhtmhauwshjrzrmqeigzklq/Build/Intermediates.noindex/Integration.build/bazel-out/ios_sim_arm64-dbg-ios-sim_arm64-min15.0-applebin_ios-ST-076e152330dd/bin/UI/UIFramework.iOS/Objects-normal/arm64/UIFramework.iOS_dependency_info.dat
| -o
| /Users/j/Library/Developer/Xcode/DerivedData/Integration-bghpkrhtmhauwshjrzrmqeigzklq/Build/Products/Debug-iphonesimulator/bazel-out/ios_sim_arm64-dbg-ios-sim_arm64-min15.0-applebin_ios-ST-076e152330dd/bin/UI/UIFramework.iOS.framework/UIFramework.iOS
|
|
| ==================================
|
| | CouldNotParseInput
| |
| | ==================================
| |
| | | FailedParsingMachObjectFile
| | |
| | | MachO data could not be parsed for: arm64-apple-ios15.0-simulator
| | | Reason: Underlying failure reading data
| | | Data header bytes: []
| | | Data header ASCII: "<nil>"
| | |
| | | ==================================
| | |
| | | | NSError.NSCocoaErrorDomain.260: The file “arm64-apple-ios15.0-simulator” couldn’t be opened because there is no such file.
| | | |
| | | | NSCocoaErrorDomain (260):
| | | | ==NSURL: arm64-apple-ios15.0-simulator -- file:///
| | | | ==NSFilePath: /arm64-apple-ios15.0-simulator
| | | |
| | | | ==================================
| | | |
| | | | | NSError
| | | | |
| | | | | NSError: Error Domain=NSPOSIXErrorDomain Code=2 "No such file or directory"
== VERSION INFO:
Tools: 16A242d
OS: 24F74
PID: 40272
Model: MacBook Pro
Arch: arm64e
== ENVIRONMENT:
openFiles = [
/Users/j/git/rules_xcodeproj/examples/integration/UI/ContentView.swift
]
wantsNewBuildSystem = true
newBuildSystemAvailable = true
activeScheme = UIFramework.iOS
activeRunDestination = iPhone 16 Pro variant iphonesimulator arm64
workspaceArena = [x]
buildArena = [x]
buildableEntries = [
UIFramework.iOS.framework
]
runMode = JIT Executor
== SELECTED RUN DESTINATION:
Simulator - iOS 18.0 | iphonesimulator | arm64 | iPhone 16 Pro | no proxy
== EXECUTION MODE OVERRIDES:
Workspace JIT mode user setting: true
Falling back to Dynamic Replacement: false
== PACKAGE RESOLUTION ERRORS:
== REFERENCED SOURCE PACKAGES:
== JIT LINKAGE:
== SESSION GROUP 5250:
workspace identifier: WorkspaceIdentifier(identifier: 5EE78774-A80F-47C2-B844-7B1D58018DA1)
providers: [
Preview Provider | ContentView_Previews provider #1 in ContentView.swift [Editor(5187)]
]
translation units: [
/Users/j/git/rules_xcodeproj/examples/integration/UI/ContentView.swift
]
attributes: [
Editor(5187): []
]
session: 5251
request sessions: [
ContentView_Previews provider #1 in ContentView.swift: not completed
]
== UPDATE SESSION 5251:
Start Date: Wednesday, June 11, 2025 at 10:57:59 Central European Summer Time
Preview Provider {
Simulator {
platform: none
device: 49A3EB74-3DD0-4C6E-AE45-A9A97A2FFEDF iPhone 16 Pro
buildNumber: 23A5260l
runtimePath: /Library/Developer/CoreSimulator/Volumes/iOS_23A5260l/Library/Developer/CoreSimulator/Profiles/Runtimes/iOS 26.0.simruntime
}
}
Build Graph {
UIFramework.iOS.framework (#3)
sourceFile(file:///Users/j/git/rules_xcodeproj/examples/integration/UI/ContentView.swift -> ContentView.swift) (#1)
ContentView.swift (#2)
}
Update Plan {
iOS [arm64 iphonesimulator18.0 iphonesimulator] (iPhone 16 Pro, 717FA606-3B3A-4FD2-917C-66B4709FBD55-iphonesimulator18.0-arm64-iphonesimulator), [], thinning disabled, thunking enabled) {
Destination: iPhone 16 Pro 717FA606-3B3A-4FD2-917C-66B4709FBD55 | default device for iphonesimulator [
Framework Agent - Previews {
execution point packs [
[source: ContentView.swift, role: Previews] (in UI)
]
translation units [
ContentView.swift (in UIFramework.iOS.framework)
]
loadable products [
Description(buildableName: "UIFramework.iOS.framework", moduleName: "UI")
]
modules [
UIFramework.iOS.framework
]
jit link description [
UIFramework.iOS.framework
]
}
]
}
}
Reproduction steps
git clone [email protected]:MobileNativeFoundation/rules_xcodeproj.git
cd examples/integration
xcodes select 16.0
bazelisk run //:xcodeproj-incremental-bazel-sim_arm64
xed .- Select UIFramework as a build target
- Run SwiftUI preview in ./UI/ContentView.swift
Expected behavior
SwiftUI preview to run
rules_xcodeproj version
main
Xcode version
16.0 via xcodes
Bazel version
8.2.1 via bazelisk
rules_apple version
No response
rules_swift version
No response
Additional information
No response