build.rs

extern crate cc;

use std::env;

fn main() {
    let target = env::var("TARGET").unwrap();
    let msvc = target.contains("msvc");

    let mut cfg = cc::Build::new();

    if target.contains("linux") {
        cfg.define("LINUX", None);
    } else if target.contains("darwin") {
        cfg.define("APPLE", None);
    } else if target.contains("windows") {
        cfg.define("WINDOWS", None);
    }

    if target.starts_with("x86_64") {
        cfg.file(if msvc {"src/arch/x86_64.asm"} else {"src/arch/x86_64.S"});
        cfg.define("X86_64", None);
    } else if target.contains("i686") {
        cfg.file(if msvc {"src/arch/i686.asm"} else {"src/arch/i686.S"});
        cfg.define("X86", None);
    } else {
        println!("cargo:rustc-cfg=fallback");
        return;
    }

    cfg.include("src/arch").compile("libstacker.a");
}