fn main() {
    let arch = std::env::var("VAP_ARCH").unwrap(); // set by Makefile

    println!("cargo:rerun-if-changed=assembly/{}", arch);

    let mut cc_build = cc::Build::new();
    let cc_build = cc_build
        .file(format!("assembly/{}/pls_stabilise_inline_ppc_asm.S", arch))
        .file(format!("assembly/{}/exception.S", arch));

    match &arch[..] {
        "ppc32" => {
            cc_build
                .flag("-mcpu=powerpc")
                .flag("-m32")
                .flag("-nostdlib")
                .flag("-msoft-float");
        },
        _ => panic!("unknown architecture: {}", arch),
    }

    cc_build.compile("vap_asm");

    // link to the assembly file
    //println!("cargo:rustc-link-lib=static=vap_asm");

    // specify the linker.ld script
    //println!("cargo:rustc-link-arg=-Tassembly/{}/linker.ld", arch);
}