garnet/rust/build.rs

use std::env;
use std::fs;
use std::path::PathBuf;

fn main() {
    let crate_dir = env::var("CARGO_MANIFEST_DIR").unwrap();
    let profile = env::var("PROFILE").unwrap();

    let bindings = cbindgen::Builder::new()
        .with_crate(&crate_dir)
        .with_language(cbindgen::Language::C)
        .with_style(cbindgen::Style::Tag)
        .generate()
        .expect("Unable to generate bindings");

    let mut buf = Vec::new();
    bindings.write(&mut buf);
    let header = String::from_utf8(buf).unwrap();
    fs::write(
        PathBuf::from(&crate_dir)
            .join("target")
            .join(&profile)
            .join("garnet_rs.h"),
        header,
    )
    .unwrap();
}