mlua-rs-mlua/mlua-sys/build/main_inner.rs

cfg_if::cfg_if! {
    if #[cfg(any(feature = "luau", feature = "vendored"))] {
        #[path = "find_vendored.rs"]
        mod find;
    } else {
        #[path = "find_normal.rs"]
        mod find;
    }
}

fn main() {
    #[cfg(all(feature = "luau", feature = "module", windows))]
    compile_error!("Luau does not support `module` mode on Windows");

    #[cfg(all(feature = "module", feature = "vendored"))]
    compile_error!("`vendored` and `module` features are mutually exclusive");

    println!("cargo:rerun-if-changed=build");

    #[cfg(windows)]
    if cfg!(feature = "module") {
        if !std::env::var("LUA_LIB_NAME").unwrap_or_default().is_empty() {
            // Don't use raw-dylib linking
            find::probe_lua();
            return;
        }

        println!("cargo:rustc-cfg=raw_dylib");
    }

    #[cfg(not(feature = "module"))]
    find::probe_lua();
}