Robovoice/rvsttd/build.rs

use std::path::PathBuf;

fn main() {
    let home = std::env::var("HOME").unwrap_or_else(|_| "/root".to_string());
    let rvsttd_dir = PathBuf::from(&home).join(".rvsttd");
    let lib_dir = rvsttd_dir.join("lib");
    let include_dir = rvsttd_dir.join("include");
    let header = include_dir.join("moonshine-c-api.h");

    println!("cargo:rerun-if-changed={}", header.display());
    println!("cargo:rustc-link-search=native={}", lib_dir.display());
    println!("cargo:rustc-link-lib=dylib=moonshine");
    println!("cargo:rustc-link-arg=-Wl,-rpath,{}", lib_dir.display());

    let bindings = bindgen::Builder::default()
        .header(header.to_str().unwrap())
        .allowlist_function("moonshine_.*")
        .allowlist_var("MOONSHINE_.*")
        .allowlist_type("transcript.*|moonshine_option_t|speaker_span_t|transcript_word_t")
        .derive_default(true)
        .generate()
        .expect("Unable to generate moonshine bindings");

    let out_path = PathBuf::from(std::env::var("OUT_DIR").unwrap());
    bindings
        .write_to_file(out_path.join("moonshine_bindings.rs"))
        .expect("Couldn't write bindings");
}