fn main() -> Result<(), Box<dyn std::error::Error>> {
let fds_path =
std::path::PathBuf::from(std::env::var("OUT_DIR").expect("$OUT_DIR")).join("fdset.bin");
tonic_prost_build::configure()
.file_descriptor_set_path(fds_path)
.compile_protos(&["proto/test.proto"], &["proto"])?;
Ok(())
}