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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::{is_ci, is_ci_opt, maybe_incremental, CargoProject, Compiler, LogGroup};
pub(crate) static CG_CLIF: CargoProject = CargoProject::new(&RelPath::SOURCE, "cg_clif");
pub(crate) fn build_backend(
dirs: &Dirs,
channel: &str,
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);
maybe_incremental(&mut cmd);
let mut rustflags = rustflags_from_env("RUSTFLAGS");
rustflags.push("-Zallow-features=rustc_private".to_owned());
if is_ci() {
// Deny warnings on CI
rustflags.push("-Dwarnings".to_owned());
if !is_ci_opt() {
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");
}
match channel {
"debug" => {}
"release" => {
cmd.arg("--release");
}
_ => unreachable!(),
}
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(channel)
.join(get_file_name(&bootstrap_host_compiler.rustc, "rustc_codegen_cranelift", "dylib"))
}
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