rust/scripts/rustc-clif.rs

37 lines
1.2 KiB
Rust

use std::env;
use std::ffi::OsString;
#[cfg(unix)]
use std::os::unix::process::CommandExt;
use std::path::PathBuf;
use std::process::Command;
fn main() {
let sysroot = PathBuf::from(env::current_exe().unwrap().parent().unwrap());
let cg_clif_dylib_path = sysroot.join(if cfg!(windows) { "bin" } else { "lib" }).join(
env::consts::DLL_PREFIX.to_string() + "rustc_codegen_cranelift" + env::consts::DLL_SUFFIX,
);
let mut args = std::env::args_os().skip(1).collect::<Vec<_>>();
args.push(OsString::from("-Cpanic=abort"));
args.push(OsString::from("-Zpanic-abort-tests"));
let mut codegen_backend_arg = OsString::from("-Zcodegen-backend=");
codegen_backend_arg.push(cg_clif_dylib_path);
args.push(codegen_backend_arg);
if !args.contains(&OsString::from("--sysroot")) {
args.push(OsString::from("--sysroot"));
args.push(OsString::from(sysroot.to_str().unwrap()));
}
// Ensure that the right toolchain is used
env::set_var("RUSTUP_TOOLCHAIN", env!("RUSTUP_TOOLCHAIN"));
#[cfg(unix)]
Command::new("rustc").args(args).exec();
#[cfg(not(unix))]
std::process::exit(
Command::new("rustc").args(args).spawn().unwrap().wait().unwrap().code().unwrap_or(1),
);
}