rust/build_system/build_backend.rs
bjorn3 1b9645853a Remove --debug argument of y.sh
I rarely need a debug build of cg_clif, and even if I actually need one,
using package overrides in Cargo.toml to only do a debug build for the
rustc_codegen_cranelift crate works much better.
2024-08-10 14:16:53 +00:00

47 lines
1.4 KiB
Rust

use std::env;
use std::path::PathBuf;
use crate::path::{Dirs, RelPath};
use crate::rustc_info::get_file_name;
use crate::shared_utils::{rustflags_from_env, rustflags_to_cmd_env};
use crate::utils::{CargoProject, Compiler, LogGroup};
pub(crate) static CG_CLIF: CargoProject = CargoProject::new(&RelPath::SOURCE, "cg_clif");
pub(crate) fn build_backend(
dirs: &Dirs,
bootstrap_host_compiler: &Compiler,
use_unstable_features: bool,
) -> PathBuf {
let _group = LogGroup::guard("Build backend");
let mut cmd = CG_CLIF.build(&bootstrap_host_compiler, dirs);
let mut rustflags = rustflags_from_env("RUSTFLAGS");
rustflags.push("-Zallow-features=rustc_private".to_owned());
if env::var("CG_CLIF_EXPENSIVE_CHECKS").is_ok() {
// Enabling debug assertions implicitly enables the clif ir verifier
cmd.env("CARGO_PROFILE_RELEASE_DEBUG_ASSERTIONS", "true");
cmd.env("CARGO_PROFILE_RELEASE_OVERFLOW_CHECKS", "true");
}
if use_unstable_features {
cmd.arg("--features").arg("unstable-features");
}
cmd.arg("--release");
rustflags_to_cmd_env(&mut cmd, "RUSTFLAGS", &rustflags);
eprintln!("[BUILD] rustc_codegen_cranelift");
crate::utils::spawn_and_wait(cmd);
CG_CLIF
.target_dir(dirs)
.join(&bootstrap_host_compiler.triple)
.join("release")
.join(get_file_name(&bootstrap_host_compiler.rustc, "rustc_codegen_cranelift", "dylib"))
}