forked from M-Labs/artiq-zynq
50 lines
1.2 KiB
Rust
50 lines
1.2 KiB
Rust
use std::env;
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use std::fs::File;
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use std::io::Write;
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use std::path::{Path, PathBuf};
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fn main() {
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println!("cargo:rerun-if-changed=build.rs");
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let out = env::var("OUT_DIR").unwrap();
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let out_dir = &PathBuf::from(&out);
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compile_unlzma();
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// Put the linker script somewhere the linker can find it
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File::create(out_dir.join("link.x"))
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.unwrap()
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.write_all(include_bytes!("link.x"))
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.unwrap();
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println!("cargo:rustc-link-search={}", out_dir.display());
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// Only re-run the build script when link.x is changed,
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// instead of when any part of the source code changes.
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println!("cargo:rerun-if-changed=link.x");
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}
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pub fn compile_unlzma() {
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let cfg = &mut cc::Build::new();
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cfg.compiler("clang");
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cfg.no_default_flags(true);
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cfg.warnings(false);
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cfg.flag("-nostdlib");
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cfg.flag("-ffreestanding");
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cfg.flag("-fPIC");
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cfg.flag("-fno-stack-protector");
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cfg.flag("--target=armv7-none-eabihf");
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cfg.flag("-Oz");
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cfg.flag("-flto=full");
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let sources = vec![
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"unlzma.c",
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];
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let root = Path::new("./");
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for src in sources {
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println!("cargo:rerun-if-changed={}", src);
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cfg.file(root.join("src").join(src));
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}
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cfg.compile("unlzma");
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}
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