I have a static library staticLib.a which is witten mostly in C++ with one additional obj-C class MyClass. There are two dynamic libs, dynamicLib_A. dylib and dynamicLib_B.dylib are linked with the static lib. When starting the application which loads the dynamic libs at runtime it comes out the following warning: objc[15078]: Class MyClass is implemented in both /path/to/libdynamicLib_A.dylib (0x104f03f90) and /path/to/libdynamicLib_B.dylib (0x10dbf3f48). One of the two will be used. Which one is undefined. It can be found that the C++ names are mangled. For instance, both libdynamicLib_A.dylib and libdynamicLib_B contains string: __ZN18MyClassBC2Ev It looks like the obj-c class name is not mangled. Both libdynamicLib_A.dylib and libdynamicLib_B contains string: 00000000012b7f48 S OBJC_CLASS$_MyClass Question: How to avoid this warning? Why it complains only about the obj-c class but not the C++ class? Is this issue related to name mangling?

btm_launchagent.txt I have a menu bar app which should be triggered to start when a system extension is successfully installed. The menu bar app is configured as a agent which should be started by SMAppServer. SMAppService register/unregister the agent successfully when the program is running locally. When doing the program installation through JamfNow, which is a MDM system, it fails with following error. I think the problem here is that the backgroundtaskmanagementd trys to register the agent with an invalid uid=-1 or uid: 4294967295(0xFFFFFFFF). 2024-10-02 10:45:33.100537+0200 0x156d4 Activity 0x1b927 88 0 smd: (BackgroundTaskManagement) BTMManager.getEffectiveDisposition 2024-10-02 10:45:33.103478+0200 0x156dd Default 0x1b927 282 0 backgroundtaskmanagementd: [com.apple.backgroundtaskmanagement:main] effectiveItemDisposition: appURL=file:///Applications/Company%20Agent.app/, type=agent, url=Contents/Library/LaunchAgents/com.Company.agent.notifier.plist -- file:///, config={ BTMConfigArguments = ( ); BTMConfigBundleIdentifiers = ( ); BTMConfigExecutablePath = "Contents/Resources/CompanyNotifier.app/Contents/MacOS/CompanyNotifier"; BTMConfigLabel = "com.Company.agent.notifier"; } 2024-10-02 10:45:33.103544+0200 0x156dd Info 0x1b927 282 0 backgroundtaskmanagementd: [com.apple.backgroundtaskmanagement:main] effectiveItemDisposition: result=[disabled, allowed, visible, not notified] 2024-10-02 10:45:33.105120+0200 0x156d4 Default 0x1b927 88 0 smd: (BackgroundTaskManagement) [com.apple.backgroundtaskmanagement:main] getEffectiveDisposition: disposition=[disabled, allowed, visible, not notified], have LWCR=true 2024-10-02 10:45:33.105181+0200 0x156d4 Default 0x0 88 0 smd: [com.apple.xpc.smd:all] Found status: 0 for <private> 2024-10-02 10:45:33.240190+0200 0x154da Default 0x0 88 0 smd: [com.apple.xpc.smd:SMAppServiceFactory] Setting up BundleProgram keys for <private> 2024-10-02 10:45:33.240250+0200 0x154da Default 0x0 88 0 smd: [com.apple.xpc.smd:SMAppServiceFactory] Setting up BundleProgram keys for <private> 2024-10-02 10:45:33.240388+0200 0x154da Activity 0x1b92a 88 0 smd: (BackgroundTaskManagement) BTMManager.registerLaunchItemWithAuditToken 2024-10-02 10:45:33.243990+0200 0x156dd Default 0x1b92a 282 0 backgroundtaskmanagementd: [com.apple.backgroundtaskmanagement:main] registerLaunchItem: pid=3626, uid=-1, type=agent, parentURL=<private>, url=<private>, config=<private> 2024-10-02 10:45:33.244917+0200 0x156dd Default 0x1b92a 282 0 backgroundtaskmanagementd: [com.apple.backgroundtaskmanagement:main] registerLaunchItem: found existing item: uuid=AC0DBC9B-7A16-443E-ABFC-05DF0F534C08, name=CompanyNotifier, type=managed agent, disposition=[disabled, allowed, visible, notified], identifier=com.Company.agent.notifier, url=Contents/Library/LaunchAgents/com.Company.agent.notifier.plist -- file:/// 2024-10-02 10:45:33.245238+0200 0x156dd Debug 0x1b92a 282 0 backgroundtaskmanagementd: [com.apple.backgroundtaskmanagement:main] BTMStore: save scheduled. 2024-10-02 10:45:33.245281+0200 0x156dd Debug 0x1b92a 282 0 backgroundtaskmanagementd: [com.apple.backgroundtaskmanagement:main] RecordSet notification scheduled for uid -1 .... 2024-10-02 10:45:33.252358+0200 0x154da Error 0x0 88 0 smd: [com.apple.xpc.smd:SMAppService] Unable to submit job: <private> error: Error Domain=OSLaunchdErrorDomain Code=112 UserInfo={NSLocalizedFailureReason=<private>} 2024-10-02 10:45:33.252707+0200 0x156d4 Default 0x1b92a 88 0 smd: [com.apple.xpc.smd:all] Update request for identifier: <private> uid: 4294967295 2024-10-02 10:45:33.253190+0200 0x156dd Default 0x1b92a 282 0 backgroundtaskmanagementd: [com.apple.backgroundtaskmanagement:main] getItemWithIdentifier: identifier=com.Company.agent.notifier, uid=-1 2024-10-02 10:45:33.253759+0200 0x156d4 Error 0x1b92a 88 0 smd: [com.apple.xpc.smd:btm] Error getting BTMItem with Identifier: <private> uid: 4294967295 error: (null) 2024-10-02 10:45:33.253803+0200 0x156d4 Error 0x1b92a 88 0 smd: [com.apple.xpc.smd:all] Unable to find BTMItem for <private> in 4294967295 2024-10-02 10:45:33.253835+0200 0x156d4 Error 0x1b92a 88 0 smd: [com.apple.xpc.smd:all] Update operation returned error: 3, but no reply expected so error will be silent 2024-10-02 10:45:33.661537+0200 0x156dd Debug 0x0 282 0 backgroundtaskmanagementd: [com.apple.backgroundtaskmanagement:main] sending notification for uid -1, type 131080 2024-10-02 10:45:33.665159+0200 0x154fa Info 0x1b853 282 0 backgroundtaskmanagementd: [com.apple.backgroundtaskmanagement:main] fetchSFLItemsMatching: type=managed user item app 2024-10-02 10:45:33.665374+0200 0x154fa Activity 0x15dd3 282 0 backgroundtaskmanagementd: (BackgroundTaskManagement) BTMManager.userDataDidChange 2024-10-02 10:45:33.666041+0200 0x154da Activity 0x1b92d 88 0 smd: (BackgroundTaskManagement) BTMManager.userDataDidChange 2024-10-02 10:45:33.666651+0200 0x154fa Debug 0x15dd3 282 0 backgroundtaskmanagementd: (BackgroundTaskManagement) [com.apple.backgroundtaskmanagement:main] -[BTMManager handleUserDataDidChangeNotification:]: uid=-1, type=131080 2024-10-02 10:45:33.666085+0200 0x154da Debug 0x1b92d 88 0 smd: (BackgroundTaskManagement) [com.apple.backgroundtaskmanagement:main] -[BTMManager handleUserDataDidChangeNotification:]: uid=-1, type=131080 2024-10-02 10:45:36.218160+0200 0x154fa Debug 0x0 282 0 backgroundtaskmanagementd: [com.apple.backgroundtaskmanagement:main] -[BTMStore handleWriteTimer] entered 2024-10-02 10:45:36.218254+0200 0x154fa Debug 0x0 282 0 backgroundtaskmanagementd: [com.apple.backgroundtaskmanagement:main] -[BTMStore _save] entered 2024-10-02 10:45:36.224738+0200 0x154fa Default 0x0 282 0 backgroundtaskmanagementd: [com.apple.backgroundtaskmanagement:main] BTMStore: store saved to /var/db/com.apple.backgroundtaskmanagement/BackgroundItems-v9.btm Could it be a problem from the MDM system JamfNow or somewhere else? The whole logs is as attached. Thanks!

Within the output of command "sudo sfltool dumpbtm", in addition to records for UID 0/501/502/..., at the top of the output, there are also records for "UID -2" listed. ======================== Records for UID -2 : FFFFEEEE-DDDD-CCCC-BBBB-AAAAFFFFFFFE ======================== ServiceManagement migrated: true SharedFileList migrated: false LaunchServices registered: false Items: #1: UUID: FC60A3EA-E4B0-4D8C-BA07-1C6E2DF3AA52 Name: (null) Developer Name: (null) Type: developer (0x20) Flags: [ ] (0) Disposition: [disabled, allowed, visible, not notified] (0x2) Identifier: Unknown Developer URL: (null) Generation: 0 Embedded Item Identifiers: #1: 16.com.microsoft.teams.TeamsUpdaterDaemon But a uid with -2 should be invalid, and the guid "FFFFEEEE-DDDD-CCCC-BBBB-AAAAFFFFFFFE" followed looks also strange.