embassy/embassy-rp/build.rs

use std::env;
use std::fs::File;
use std::io::Write;
use std::path::PathBuf;

fn main() {
    if env::var("CARGO_FEATURE_RP2040").is_ok() {
        // Put the linker script somewhere the linker can find it
        let out = &PathBuf::from(env::var_os("OUT_DIR").unwrap());
        let link_x = include_bytes!("link-rp.x.in");
        let mut f = File::create(out.join("link-rp.x")).unwrap();
        f.write_all(link_x).unwrap();

        println!("cargo:rustc-link-search={}", out.display());

        println!("cargo:rerun-if-changed=build.rs");
        println!("cargo:rerun-if-changed=link-rp.x.in");
    }
}