rvvm-sys 0.2.4

RVVM raw C bindings
Documentation 
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use std::env;
use std::path::PathBuf;
use std::error::Error;
use std::env::temp_dir;
use std::process::Command;

fn clone_and_build() -> Result<(), Box<dyn Error>> {
    let target_dir: PathBuf = "./".into();
    Command::new("make")
           .current_dir(&target_dir.join("RVVM"))
           .env("BUILDDIR", &temp_dir())
           .arg("lib")
           .status()
           .expect("Failed to make");
    Ok(())
}

fn cleanup_build() {
}

fn main() {
    let lib = temp_dir().as_os_str().to_str().unwrap().to_string();
    clone_and_build().expect("Failed to clone and build");

    // Tell cargo to invalidate the built crate whenever the wrapper changes
    println!("cargo:rerun-if-changed=RVVM/src/rvvmlib.h");
    println!("cargo:rustc-link-search=native={}", lib);
    println!("cargo:rustc-link-lib=dylib=rvvm",);

    // The bindgen::Builder is the main entry point
    // to bindgen, and lets you build up options for
    // the resulting bindings.
    let bindings = bindgen::Builder::default()
        // The input header we would like to generate
        // bindings for.
        .header("./RVVM/src/rvvmlib.h")
        // Tell cargo to invalidate the built crate whenever any of the
        // included header files changed.
        .parse_callbacks(Box::new(bindgen::CargoCallbacks))
        // Finish the builder and generate the bindings.
        .generate()
        // Unwrap the Result and panic on failure.
        .expect("Unable to generate bindings");

    // Write the bindings to the $OUT_DIR/bindings.rs file.
    let out_path = PathBuf::from(env::var("OUT_DIR").unwrap());
    bindings
        .write_to_file(out_path.join("bindings.rs"))
        .expect("Couldn't write bindings!");
    cleanup_build();
}