Hello I am trying to build a firebase unity project in Xcode, after running pod install and start building the project I get this error :
Undefined symbols for architecture arm64: "OBJC_CLASS$_FIRMessaging", referenced from: objc-class-ref in libFirebaseCppMessaging.a(messaging_231c52c311096cfce13e67fa91eb9ac5.o) "firebase::ReferenceCountedFutureImpl::CompleteHandle(unsigned long)", referenced from: void firebase::ReferenceCountedFutureImpl::CompleteInternal<void, void firebase::ReferenceCountedFutureImpl::CompleteInternal(unsigned long, int, char const*)::'lambda'(void*)>(unsigned long, int, char const*, void firebase::ReferenceCountedFutureImpl::CompleteInternal(unsigned long, int, char const*)::'lambda'(void*) const&) in libFirebaseCppMessaging.a(messaging_231c52c311096cfce13e67fa91eb9ac5.o) "firebase::ReferenceCountedFutureImpl::ReleaseMutexAndRunCallback(unsigned long)", referenced from: void firebase::ReferenceCountedFutureImpl::CompleteInternal<void, void firebase::ReferenceCountedFutureImpl::CompleteInternal(unsigned long, int, char const*)::'lambda'(void*)>(unsigned long, int, char const*, void firebase::ReferenceCountedFutureImpl::CompleteInternal(unsigned long, int, char const*)::'lambda'(void*) const&) in libFirebaseCppMessaging.a(messaging_231c52c311096cfce13e67fa91eb9ac5.o) "firebase::util::ClassMethodImplementationCache::ReplaceOrAddMethod(objc_class*, objc_selector*, objc_object* ()(objc_object, objc_selector*, ...), objc_class*, bool)", referenced from: _FirebaseMessagingHookAppDelegate in libFirebaseCppMessaging.a(messaging_231c52c311096cfce13e67fa91eb9ac5.o) ld: symbol(s) not found for architecture arm64 clang: error: linker command failed with exit code 1 (use -v to see invocation)
any help?