build.rs

use bindgen::MacroTypeVariation::Signed;
use std::env;
use std::path::PathBuf;

fn main() {
    println!("cargo:rustc-link-lib=archive");

    let bindings = bindgen::Builder::default()
        .header("ffi/libarchive-wrapper.h")
        .default_macro_constant_type(Signed)
        .allowlist_var("ARCHIVE_OK")
        .allowlist_var("ARCHIVE_EOF")
        .allowlist_var("ARCHIVE_FAILED")
        .allowlist_var("ARCHIVE_FATAL")
        .allowlist_var("ARCHIVE_WARN")
        .allowlist_type("archive_entry")
        .allowlist_item("AE_IFDIR")
        .allowlist_function("archive_error_string")
        .allowlist_function("archive_entry_filetype")
        .allowlist_function("archive_entry_pathname")
        .allowlist_function("archive_entry_paths")
        .allowlist_function("archive_read_new")
        .allowlist_function("archive_read_support_format_all")
        .allowlist_function("archive_read_open_filename")
        .allowlist_function("archive_read_next_header")
        .allowlist_function("archive_read_data_block")
        .allowlist_function("archive_read_free")
        .generate()
        .unwrap();

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