Xamarin.Mac的gRPC支持

Question

我目前正在尝试将grpc添加到我的Xamarin.Mac应用程序中。我可以添加nuget包，但是在编译时出现以下错误

Undefined symbols for architecture x86_64:
      "_gprsharp_convert_clock_type", referenced from:
         -u command line option
      "_gprsharp_free", referenced from:
         -u command line option
      "_gprsharp_inf_future", referenced from:
         -u command line option
...
...