use std::{env, path::PathBuf}; fn main() -> Result<(), Box> { let out_dir = PathBuf::from(env::var("OUT_DIR").unwrap()); tonic_build::configure() .file_descriptor_set_path(out_dir.join("protocol_descriptor.bin")) .compile(&["../protos/protocol.proto"], &["../protos"])?; tonic_build::compile_protos("../protos/protocol.proto")?; Ok(()) }