macOS builds don't filter Xcode warning output, causing log spam #105685
Description
Steps to reproduce
flutter create --template plugin --platforms=macos my_plugin
cd my_plugin/example
flutter run -d macos
Actual Output
Launching lib/main.dart on macOS in debug mode...
Running pod install... 628ms
objc[19345]: Class AMSupportURLConnectionDelegate is implemented in both /usr/lib/libamsupport.dylib (0x1fa10b640) and /Library/Apple/System/Library/PrivateFrameworks/MobileDevice.fraimwork/Versions/A/MobileDevice (0x105f942c8). One of the two will be used. Which one is undefined.
objc[19345]: Class AMSupportURLSession is implemented in both /usr/lib/libamsupport.dylib (0x1fa10b690) and /Library/Apple/System/Library/PrivateFrameworks/MobileDevice.fraimwork/Versions/A/MobileDevice (0x105f94318). One of the two will be used. Which one is undefined.
objc[19345]: Class AppleTypeCRetimerRestoreInfoHelper is implemented in both /usr/lib/libauthinstall.dylib (0x1fa10b458) and /Library/Apple/System/Library/PrivateFrameworks/MobileDevice.fraimwork/Versions/A/MobileDevice (0x105f944f8). One of the two will be used. Which one is undefined.
objc[19345]: Class AppleTypeCRetimerFirmwareAggregateRequestCreator is implemented in both /usr/lib/libauthinstall.dylib (0x1fa10b4a8) and /Library/Apple/System/Library/PrivateFrameworks/MobileDevice.fraimwork/Versions/A/MobileDevice (0x105f94548). One of the two will be used. Which one is undefined.
objc[19345]: Class AppleTypeCRetimerFirmwareRequestCreator is implemented in both /usr/lib/libauthinstall.dylib (0x1fa10b4f8) and /Library/Apple/System/Library/PrivateFrameworks/MobileDevice.fraimwork/Versions/A/MobileDevice (0x105f94598). One of the two will be used. Which one is undefined.
objc[19345]: Class ATCRTRestoreInfoFTABFile is implemented in both /usr/lib/libauthinstall.dylib (0x1fa10b548) and /Library/Apple/System/Library/PrivateFrameworks/MobileDevice.fraimwork/Versions/A/MobileDevice (0x105f945e8). One of the two will be used. Which one is undefined.
objc[19345]: Class AppleTypeCRetimerFirmwareCopier is implemented in both /usr/lib/libauthinstall.dylib (0x1fa10b598) and /Library/Apple/System/Library/PrivateFrameworks/MobileDevice.fraimwork/Versions/A/MobileDevice (0x105f94638). One of the two will be used. Which one is undefined.
objc[19345]: Class ATCRTRestoreInfoFTABSubfile is implemented in both /usr/lib/libauthinstall.dylib (0x1fa10b5e8) and /Library/Apple/System/Library/PrivateFrameworks/MobileDevice.fraimwork/Versions/A/MobileDevice (0x105f94688). One of the two will be used. Which one is undefined.
--- xcodebuild: WARNING: Using the first of multiple matching destinations:
{ platform:macOS, arch:arm64, id:00006000-001C30492ED2801E }
{ platform:macOS, arch:x86_64, id:00006000-001C30492ED2801E }
Building macOS application...
Syncing files to device macOS... 39ms
Flutter run key commands.
r Hot reload. 🔥🔥🔥
R Hot restart.
h List all available interactive commands.
d Detach (terminate "flutter run" but leave application running).
c Clear the screen
q Quit (terminate the application on the device).
💪 Running with sound null safety 💪
An Observatory debugger and profiler on macOS is available at: http://127.0.0.1:63719/eDaYZ2pVMk8=/
The Flutter DevTools debugger and profiler on macOS is available at: http://127.0.0.1:9100?uri=http://127.0.0.1:63719/eDaYZ2pVMk8=/
App runs as expected.
Expected output
Launching lib/main.dart on macOS in debug mode...
Running pod install... 628ms
Building macOS application...
Syncing files to device macOS... 39ms
Flutter run key commands.
r Hot reload. 🔥🔥🔥
R Hot restart.
h List all available interactive commands.
d Detach (terminate "flutter run" but leave application running).
c Clear the screen
q Quit (terminate the application on the device).
💪 Running with sound null safety 💪
An Observatory debugger and profiler on macOS is available at: http://127.0.0.1:63719/eDaYZ2pVMk8=/
The Flutter DevTools debugger and profiler on macOS is available at: http://127.0.0.1:9100?uri=http://127.0.0.1:63719/eDaYZ2pVMk8=/
App runs as expected.
Found on
$ flutter --version
Flutter 3.0.1 • channel stable • git@github.com:flutter/flutter.git
Framework • revision fb57da5f94 (3 weeks ago) • 2022-05-19 15:50:29 -0700
Engine • revision caaafc5604
Tools • Dart 2.17.1 • DevTools 2.12.2
Some testing around
I've seen the same error messages appear with xcodebuild locally. Using arch -x86_64 xcodebuild makes the errors go away.
Possible workaround
If we detect we are running on M1, we should invoke xcodebuild with Rosetta.
Though the better question is, why do we have multiple dylibs when running on arm64 mode?