Compile proto files first before building C code which depends on them
Compile proto files first before building C code which depends on them

tengyifei/grpc,tengyifei/grpc,tengyifei/grpc,tengyifei/grpc,tengyifei/grpc,tengyifei/grpc,tengyifei/grpc,tengyifei/grpc,tengyifei/grpc