Xcode 10B5 - Duplicate Symbol Linker Error, Can't Compile with Crashlytics

Xcode 10b5 - duplicate symbol linker error, can't compile with Crashlytics

Fixed for me with Xcode 10b6 (released this morning)!

Xcode 10 Beta 5 — clang: error: linker command failed with exit code 1

Ok.. It turned out that something in Fabric and/or Crashlytics was wrong. Since it's not essential for the app I tried to remove both pods and voila it builds and runs.

Duplicate Symbol Linker Error With Firebase CocoaPods

Don't ask me why or how, but updating Xcode (to 7.2) solved this issue. I did not pay attention to what was my previous version before updating but it had to be 7.1 or 7.1.1.

In any case, the issue is gone. I assume that the Firebase library had compiling requirements only met by the latest update to Xcode.

Crashlytics and Xcode 10

I fixed the problem by going into Build Settings, changing Debug Information Format from "DWARF" to "DWARF with dSYM File" and building the project again.

Firebase, Fabric, & Crashlytics with -ObjC linker flag without Cocoapods iOS

I actually had the same exact problem. My awesome coworker suggested to update Fabric and Crashlytics to the latest and it worked. Try that!

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