fn main() { println!("cargo:rerun-if-changed=proto/event.proto"); prost_build::Config::new() .protoc_arg("--experimental_allow_proto3_optional") .btree_map(["."]) .bytes(["raw_bytes"]) .compile_protos( &["proto/event.proto"], &["proto", "../../proto/third-party", "../../proto/vector"], ) .unwrap(); }