rustboyadvance-ng/app/build.rs

#[cfg(windows)]
use std::env;
#[cfg(windows)]
use std::path::PathBuf;

#[cfg(windows)]
use winres;

#[cfg(windows)]
fn main() {
    let mut res = winres::WindowsResource::new();
    res.set_icon("../../assets/icon.ico");
    res.compile().unwrap();

    let target = env::var("TARGET").unwrap();
    if target.contains("pc-windows") {
        let manifest_dir = PathBuf::from(
            env::var("CARGO_MANIFEST_DIR").expect("Failed to get CARGO_MANIFEST_DIR"),
        );
        let out_dir = PathBuf::from(env::var("OUT_DIR").expect("Failed to get OUT_DIR"));
        let mut lib_dir = manifest_dir.clone();
        let mut dll_dir = manifest_dir.clone();
        if target.contains("msvc") {
            lib_dir.push("msvc");
            dll_dir.push("msvc");
        } else {
            panic!("mingw not supported");
        }
        if target.contains("x86_64") {
            lib_dir.push("64");
            dll_dir.push("64");
        } else {
            lib_dir.push("32");
            dll_dir.push("32");
        }
        println!("cargo:rustc-link-search=all={}", lib_dir.display());
        for entry in std::fs::read_dir(dll_dir).expect("Can't read DLL dir") {
            let entry_path = entry.expect("Invalid fs entry").path();
            let file_name_result = entry_path.file_name();
            let mut new_file_path = out_dir.clone();
            if let Some(file_name) = file_name_result {
                let file_name = file_name.to_str().unwrap();
                if file_name.ends_with(".dll") {
                    new_file_path.push(file_name);
                    std::fs::copy(&entry_path, new_file_path.as_path())
                        .expect("Can't copy from DLL dir");
                }
            }
        }
    }
}

#[cfg(not(windows))]
fn main() {}