artiq-zynq/szl/build.rs

49 lines
2.0 KiB
Rust

use std::process::Command;
use std::env;
use std::fs::File;
use std::io::Write;
use std::path::{Path, PathBuf};
fn main() {
// FIXME: this is dirty and unreliable. How to depend on the output of the runtime build?
let payload = "../target/armv7-none-eabihf/release/runtime";
let out = env::var("OUT_DIR").unwrap();
let out_dir = &PathBuf::from(&out);
let status = Command::new("llvm-objcopy")
.args(&["-O", "binary", payload, &format!("{}/payload.bin", out)])
.status().unwrap();
assert!(status.success());
let status = Command::new("lzma")
.args(&["--keep", "-f", &format!("{}/payload.bin", out)])
.status().unwrap();
assert!(status.success());
println!("cargo:rerun-if-changed={}", payload);
let status = Command::new("clang")
.args(&["-target", "armv7-unknown-linux", "-fno-stack-protector",
"src/unlzma.c", "-O2", "-c", "-fPIC", "-o",
&format!("{}/unlzma.o", out)])
.status().unwrap();
assert!(status.success());
let status = Command::new("llvm-ar")
.args(&["crus", "libunlzma.a", "unlzma.o"])
.current_dir(&Path::new(&out))
.status().unwrap();
assert!(status.success());
println!("cargo:rustc-link-search=native={}", out);
println!("cargo:rustc-link-lib=static=unlzma");
println!("cargo:rerun-if-changed=src/unlzma.c");
// Put the linker script somewhere the linker can find it
File::create(out_dir.join("link.x"))
.unwrap()
.write_all(include_bytes!("link.x"))
.unwrap();
println!("cargo:rustc-link-search={}", out_dir.display());
// Only re-run the build script when link.x is changed,
// instead of when any part of the source code changes.
println!("cargo:rerun-if-changed=link.x");
}