benchmarks/rust/build.rs

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// to you under the Apache License, Version 2.0 (the
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//
//   http://www.apache.org/licenses/LICENSE-2.0
//
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fn main() {
    let proto_dir = std::path::PathBuf::from("../proto");
    let proto_files = [proto_dir.join("bench.proto")];

    for proto_file in &proto_files {
        println!("cargo:rerun-if-changed={}", proto_file.display());
    }

    prost_build::Config::new()
        .compile_protos(&proto_files, &[proto_dir])
        .expect("failed to compile benchmarks/proto/bench.proto");
}