// GNU Windows linkers need an explicit normal-user manifest, including tests
// named "updates", to avoid Windows installer detection. No elevation is needed.
fn main() {
    println!("cargo:rerun-if-changed=../../build/windows_manifest.rs");
    println!("cargo:rerun-if-changed=../../build/windows.manifest");
    println!("cargo:rerun-if-changed=../../build/windows.rc");
    println!("cargo:rerun-if-env-changed=RC");
    let target = std::env::var("TARGET").unwrap_or_default();
    if !target.ends_with("windows-gnu") && !target.ends_with("windows-gnullvm") {
        return;
    }
    let root = std::path::PathBuf::from(std::env::var_os("CARGO_MANIFEST_DIR").unwrap())
        .join("../../build");
    let object = std::path::PathBuf::from(std::env::var_os("OUT_DIR").unwrap())
        .join("normal-user-manifest.o");
    let compiler = std::env::var_os("RC").unwrap_or_else(|| {
        if target.ends_with("gnullvm") {
            "llvm-windres"
        } else {
            "windres"
        }
        .into()
    });
    let result = std::process::Command::new(compiler)
        .current_dir(root)
        .args(["-i", "windows.rc", "-O", "coff", "-o"])
        .arg(&object)
        .status()
        .expect("Windows GNU resource compiler is required (set RC if not on PATH)");
    assert!(
        result.success(),
        "Cannot compile the normal-user Windows manifest"
    );
    println!("cargo:rustc-link-arg={}", object.display());
}