build.rs
use std::{env, path::PathBuf};
fn main() {
let out_dir = PathBuf::from(env::var("OUT_DIR").unwrap());
tonic_build::configure()
.file_descriptor_set_path(out_dir.join("elpe_descriptor.bin"))
.compile_protos(&["elpe/lib/elpegrpc.proto"], &["elpe/lib"])
.unwrap();
}