CODEWITHSUNDEEP
iosobjective-cxcodefirebaselinker-warning
AndyP
AndyP

Reputation: 26

Firebase linker warnings in Xcode 11.5

Firebase (6.25.0) FirebaseAnalytics (6.5.1) FirebaseCore (6.7.1) macOS Catalina (10.15.4) Xcode 11.5

I updated the Firebase SDK via CocoaPods in my Xcode workspace and started getting several Xcode linker (ld) warnings that all boil down to variants of these two:

  1. ld: warning: instance method method-name in category from archive-filename/object-filename conflicts with same method from another category

example:

ld: warning: instance method 'registeredInstallationWithJSONData:date:error:' in category from /Users/andy/Library/Developer/Xcode/DerivedData/myapp-frvtlafpkeliluaxjjycfjdpboxi/Build/Intermediates.noindex/ArchiveIntermediates/myapp/BuildProductsPath/Release-iphoneos/FirebaseInstallations/libFirebaseInstallations.a(FIRInstallationsItem+RegisterInstallationAPI 2.o) conflicts with same method from another category
  1. ld: warning: meta method method-name in category from archive-filename/object-filename conflicts with same method from another category

example:

ld: warning: meta method 'validStringOrNilForKey:fromDict:' in category from /Users/andy/Library/Developer/Xcode/DerivedData/myapp-frvtlafpkeliluaxjjycfjdpboxi/Build/Intermediates.noindex/ArchiveIntermediates/myapp/BuildProductsPath/Release-iphoneos/FirebaseInstallations/libFirebaseInstallations.a(FIRInstallationsItem+RegisterInstallationAPI 2.o) conflicts with same method from another category

I've tried clean builds and cleaning/reinstalling the pod cache but continue to get these warnings. These don't seem to harm execution of the app, but I'd like to clear them up. I recently updated to Xcode to 11.5 so it's possible that could be a factor (Xcode 11.5 also started showing other types of linker warnings for the Ads SDK ).

Upvotes: 0

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