mruby-sys 0.1.0

low level rust bindings for mruby
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extern crate bindgen;

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

use std::process::Command;

fn build() {
    Command::new("cp")
        .arg("-r")
        .arg("vendor")
        .arg("target")
        .status()
        .unwrap();

    // we run make we that we can compile ruby libs to c
    Command::new("./minirake")
        .current_dir("target/vendor")
        .status()
        .unwrap();

    println!("cargo:rustc-link-lib=static=mruby");
    println!("cargo:rustc-link-search=native=target/vendor/build/host/lib");
}

fn bindgen() {
    let bindings = bindgen::Builder::default()
        .header("include/wrapper.h")
        .opaque_type("mrb_heap_page") // tests were failing, this might be fixed in newer bindgen
        .generate_comments(false) // doctests were failing because they coppied C code...
        .generate()
        .expect("Unable to generate bindings");

    let out_path = PathBuf::from(env::var("OUT_DIR").unwrap());
    bindings
        .write_to_file(out_path.join("bindings.rs"))
        .expect("Couldn't write bindings!");
}

fn main() {
    build();
    bindgen();
}