xous-core/loader/build.rs
Sean Cross a70aee7bad loader: move loader into main workspace
Add the loader into the main workspace, removing it from its own
sub-workspace. We can do this now that we can specify the linker script
in `build.rs`.

This improves IDE support, and should shrink disk storage requirements.

Signed-off-by: Sean Cross <sean@xobs.io>
2022-03-22 02:09:18 +08:00

34 lines
1.1 KiB
Rust

// NOTE: Adapted from cortex-m/build.rs
use std::env;
use std::fs;
use std::io::Write;
use std::path::PathBuf;
fn main() {
let out_dir = PathBuf::from(env::var("OUT_DIR").unwrap());
let target = env::var("TARGET").unwrap();
let name = env::var("CARGO_PKG_NAME").unwrap();
if target.starts_with("riscv") {
fs::copy(
format!("bin/{}.a", target),
out_dir.join(format!("lib{}.a", name)),
).unwrap();
println!("cargo:rustc-link-lib=static={}", name);
println!("cargo:rustc-link-search={}", out_dir.display());
println!("cargo:rerun-if-changed=bin/{}.a", target);
println!("cargo:rustc-link-arg=-Tlink.x");
}
println!("cargo:rustc-link-arg=-Map=loader.map");
// Put the linker script somewhere the linker can find it
fs::File::create(out_dir.join("link.x"))
.unwrap()
.write_all(include_bytes!("link.x"))
.unwrap();
println!("cargo:rustc-link-search={}", out_dir.display());
println!("cargo:rerun-if-changed=build.rs");
println!("cargo:rerun-if-changed=link.x");
}