embassy/examples/stm32f7/build.rs

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2021-10-19 13:36:41 +00:00
//! adapted from https://github.com/stm32-rs/stm32f7xx-hal/blob/master/build.rs
use std::env;
use std::fs::File;
use std::io::{self, prelude::*};
use std::path::PathBuf;
#[derive(Debug)]
enum Error {
Env(env::VarError),
Io(io::Error),
}
impl From<env::VarError> for Error {
fn from(error: env::VarError) -> Self {
Self::Env(error)
}
}
impl From<io::Error> for Error {
fn from(error: io::Error) -> Self {
Self::Io(error)
}
}
fn main() -> Result<(), Error> {
println!("cargo:rerun-if-changed=build.rs");
println!("cargo:rerun-if-changed=memory.x");
let out_dir = env::var("OUT_DIR")?;
let out_dir = PathBuf::from(out_dir);
let memory_x = include_bytes!("memory.x").as_ref();
File::create(out_dir.join("memory.x"))?.write_all(memory_x)?;
// Tell Cargo where to find the file.
println!("cargo:rustc-link-search={}", out_dir.display());
println!("cargo:rustc-link-arg-bins=--nmagic");
println!("cargo:rustc-link-arg-bins=-Tlink.x");
println!("cargo:rustc-link-arg-bins=-Tdefmt.x");
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Ok(())
}