| 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")) |
| } |