fn main() -> Result<(), Box> { // Compile the protobuf files to OUT_DIR (default location for include_proto!) tonic_build::configure() .build_server(true) .build_client(true) .compile_protos( &[ "../../proto/chainfire.proto", "../../proto/internal.proto", ], &["../../proto"], )?; // Tell cargo to rerun if proto files change println!("cargo:rerun-if-changed=../../proto/chainfire.proto"); println!("cargo:rerun-if-changed=../../proto/internal.proto"); Ok(()) }