use std::{
env,
error::Error,
path::PathBuf,
};
use cc::Build;
fn main() -> Result<(), Box<dyn Error>> {
let out_dir = PathBuf::from(env::var_os("OUT_DIR").unwrap());
println!("cargo:rustc-link-search={}", out_dir.display());
let target: String = env::var("TARGET").unwrap();
let asm_file: Option<String> = match target.as_str() {
"thumbv6m-none-eabi" => Some("thumbv6m-none-eabi.s".to_string()),
"thumbv7m-none-eabi" => Some("thumbv6m-none-eabi.s".to_string()),
"thumbv7em-none-eabi" => Some("thumbv7em-none-eabi.s".to_string()),
_ => None,
};
if let Some(ref file) = asm_file {
Build::new().file(file).compile("asm");
} else {
}
println!("cargo:rerun-if-changed=build.rs");
println!("cargo:rerun-if-changed=thumbv6m-none-eabi.s");
println!("cargo:rerun-if-changed=thumbv7em-none-eabi");
Ok(())
}