roc/compiler/gen/build.rs
2020-10-25 14:09:53 -07:00

23 lines
720 B
Rust

use std::env;
use std::fs;
use std::path::Path;
use std::process::Command;
fn main() {
let src_path = fs::canonicalize("./../builtins/bitcode/src/lib.c")
.expect("Failed to resolve bitcode source");
let src = src_path.to_str().expect("Invalid src path");
let out_dir = env::var_os("OUT_DIR").unwrap();
let dest_path = Path::new(&out_dir).join("builtins.bc");
let dest = dest_path.to_str().expect("Invalid dest path");
Command::new("clang")
.args(&["-emit-llvm", "-o", dest, "-c", src])
.status()
.unwrap();
println!("cargo:rerun-if-changed=build.rs");
println!("cargo:rerun-if-changed={}", src);
println!("cargo:rustc-env=BUILTINS_BC={}", dest);
}