xtensa-lx6 0.2.0

Low level access for xtensa lx6 processors and peripherals
Documentation 
use std::env;
use std::path::PathBuf;

fn main() {
    let out_dir = PathBuf::from(env::var("OUT_DIR").unwrap());
    println!("cargo:rustc-link-search={}", out_dir.display());
}