build.rs


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use std::process::Command;
use std::path::Path;

fn main() {
    println!("cargo:rerun-if-changed=wrv32em-common.dts");

    let out_dir = std::env::var("OUT_DIR").unwrap();
    let output = Path::new(&out_dir).join("wrv32em-common.dtb");

    let status = Command::new("dtc")
        .args([
            "-I", "dts",
            "-O", "dtb",
            "-o",
            output.to_str().unwrap(),
            "wrv32em-common.dts",
        ])
        .status()
        .expect("failed to run dtc");

    if !status.success() {
        panic!("dtc failed");
    }

    println!("cargo:rustc-env=DTB_PATH={}", output.display());
}