build.rs

// SPDX-License-Identifier: Apache-2.0
// SPDX-FileCopyrightText: Copyright The Lance Authors

use std::io::Result;

fn main() -> Result<()> {
    println!("cargo:rerun-if-changed=protos");

    #[cfg(feature = "protoc")]
    // Use vendored protobuf compiler if requested.
    std::env::set_var("PROTOC", protobuf_src::protoc());

    let mut prost_build = prost_build::Config::new();
    prost_build.extern_path(".lance.file", "::lance_file::format::pb");
    prost_build.protoc_arg("--experimental_allow_proto3_optional");
    prost_build.enable_type_names();
    prost_build.compile_protos(
        &[
            "./protos/table.proto",
            "./protos/transaction.proto",
            "./protos/rowids.proto",
        ],
        &["./protos"],
    )?;

    Ok(())
}