acid/firmware/password-hash/build.rs

fn main() {
    #[cfg(feature = "cmd")]
    {
        use std::{env, path::PathBuf};

        let manifest_dir = PathBuf::from(env::var("CARGO_MANIFEST_DIR").unwrap());
        println!(
            "cargo:rustc-link-search=native={}",
            manifest_dir.join("../spectre-api-c/build-host").display()
        );
        println!("cargo:rustc-link-lib=static=spectre");
        println!(
            "cargo:rerun-if-changed={}",
            manifest_dir
                .join("../spectre-api-c/build-host/libspectre.a")
                .display()
        );

        if let Ok(libsodium_install_dir) = env::var("LIBSODIUM_INSTALL_DIR") {
            let libsodium_install_dir =
                PathBuf::from(libsodium_install_dir).canonicalize().unwrap();
            println!(
                "cargo:rustc-link-search=native={}",
                libsodium_install_dir.join("lib").display()
            );
            println!("cargo:rustc-link-lib=static=sodium");
            println!(
                "cargo:rerun-if-changed={}",
                libsodium_install_dir.join("lib/libsodium.a").display()
            );
        } else {
            panic!("Environment variable `LIBSODIUM_INSTALL_DIR` missing!");
        }
    }
}