Re: [Firebase] Firebase C++ with Cocos2d-x - Undefined symbols when using Universal Frameworks

[Stewart Miles]

You also need to add the Firebase iOS SDK.  See https://firebase.google.com/docs/cpp/setup#dependencies

On Wed, Apr 11, 2018 at 12:51 PM Power Droid <powerd...@gmail.com> wrote:

I have added the Universal Frameworks for Auth, Analytics, and Core to an existing Cocos2d-x project.  When I add the files FirebaseAuthScene, FirebaseCocos, and FirebaseScene from the cocos2dx-cpp-sample-master project on Github, I get the following errors.  I'm not understanding what is happening, as I have added the necessary Frameworks.  

Undefined symbols for architecture x86_64:

  "_OBJC_CLASS_$_FIRPhoneAuthCredential", referenced from:

      objc-class-ref in firebase_auth(user_ios_50aab9521b0618a15012927fd7f5f8f8.o)

  "_OBJC_CLASS_$_FIRGoogleAuthProvider", referenced from:

      objc-class-ref in firebase_auth(credential_ios_b6ca7470a6ed6b7578fa38adb90929b3.o)

  "_OBJC_CLASS_$_FIRGitHubAuthProvider", referenced from:

      objc-class-ref in firebase_auth(credential_ios_b6ca7470a6ed6b7578fa38adb90929b3.o)

  "_OBJC_CLASS_$_FIREmailAuthProvider", referenced from:

      objc-class-ref in firebase_auth(credential_ios_b6ca7470a6ed6b7578fa38adb90929b3.o)

  "_OBJC_CLASS_$_FIRFacebookAuthProvider", referenced from:

      objc-class-ref in firebase_auth(credential_ios_b6ca7470a6ed6b7578fa38adb90929b3.o)

  "_OBJC_CLASS_$_FIRPhoneAuthProvider", referenced from:

      objc-class-ref in firebase_auth(credential_ios_b6ca7470a6ed6b7578fa38adb90929b3.o)

  "_OBJC_CLASS_$_FIROAuthProvider", referenced from:

      objc-class-ref in firebase_auth(credential_ios_b6ca7470a6ed6b7578fa38adb90929b3.o)

  "_OBJC_CLASS_$_FIRApp", referenced from:

      objc-class-ref in firebase(app_ios_0d9822969971d805b6c1fe1da95ac6eb.o)

  "_OBJC_CLASS_$_FIRAuth", referenced from:

      objc-class-ref in firebase_auth(auth_ios_f2d260118c71437a29dfd0bb1f84c2b2.o)

  "_OBJC_CLASS_$_FIRTwitterAuthProvider", referenced from:

      objc-class-ref in firebase_auth(credential_ios_b6ca7470a6ed6b7578fa38adb90929b3.o)

  "_OBJC_CLASS_$_FIROptions", referenced from:

      objc-class-ref in firebase(app_ios_0d9822969971d805b6c1fe1da95ac6eb.o)

ld: symbol(s) not found for architecture x86_64

clang: error: linker command failed with exit code 1 (use -v to see invocation)

Since I added the Frameworks, I should not need to convert the project to a CocoaPods project, correct?

Are there other things I'm not doing that need to be done to compile correctly?

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