crates/cortex-m/build.rs


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use std::{env, path};

fn main() {
    let out_dir = path::PathBuf::from(env::var("OUT_DIR").unwrap());
    std::fs::write(
        out_dir.join("weak-symbols.x"),
        r#"
PROVIDE(PendSV = PendSV_Handler);
PROVIDE(SysTick = _tx_timer_interrupt);
"#,
    )
    .unwrap();
    println!("cargo::rustc-link-search={}", out_dir.display());
}