use std::env;
use std::path::PathBuf;

fn main() {
    println!("cargo:rerun-if-changed=version.def");

    // The proxy's PE export surface is part of its runtime contract.  Feed an
    // explicit module-definition file to the MinGW linker instead of relying
    // solely on Rust symbol export attributes and linker retention heuristics.
    if env::var("CARGO_CFG_TARGET_OS").as_deref() == Ok("windows")
        && env::var("CARGO_CFG_TARGET_ENV").as_deref() == Ok("gnu")
    {
        let definition =
            PathBuf::from(env::var_os("CARGO_MANIFEST_DIR").unwrap()).join("version.def");
        println!("cargo:rustc-link-arg={}", definition.display());
    }
}