fn main() -> Result<(), Box> { let protoc_path = protoc_bin_vendored::protoc_bin_path()?; std::env::set_var("PROTOC", protoc_path); tonic_build::configure() .build_server(false) .build_client(true) .compile_protos(&["../../proto/chainfire.proto"], &["../../proto"])?; println!("cargo:rerun-if-changed=../../proto/chainfire.proto"); Ok(()) }