55 lines
1.4 KiB
Rust
55 lines
1.4 KiB
Rust
use std::env;
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use std::path::PathBuf;
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use super::path::{Dirs, RelPath};
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use super::rustc_info::get_file_name;
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use super::utils::{is_ci, CargoProject, Compiler};
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pub(crate) static CG_CLIF: CargoProject = CargoProject::new(&RelPath::SOURCE, "cg_clif");
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pub(crate) fn build_backend(
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dirs: &Dirs,
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channel: &str,
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bootstrap_host_compiler: &Compiler,
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use_unstable_features: bool,
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) -> PathBuf {
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let mut cmd = CG_CLIF.build(&bootstrap_host_compiler, dirs);
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cmd.env("CARGO_BUILD_INCREMENTAL", "true"); // Force incr comp even in release mode
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let mut rustflags = env::var("RUSTFLAGS").unwrap_or_default();
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if is_ci() {
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// Deny warnings on CI
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rustflags += " -Dwarnings";
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// Disabling incr comp reduces cache size and incr comp doesn't save as much on CI anyway
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cmd.env("CARGO_BUILD_INCREMENTAL", "false");
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cmd.env("CARGO_PROFILE_RELEASE_DEBUG_ASSERTIONS", "true");
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}
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if use_unstable_features {
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cmd.arg("--features").arg("unstable-features");
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}
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match channel {
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"debug" => {}
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"release" => {
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cmd.arg("--release");
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}
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_ => unreachable!(),
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}
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cmd.env("RUSTFLAGS", rustflags);
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eprintln!("[BUILD] rustc_codegen_cranelift");
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super::utils::spawn_and_wait(cmd);
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CG_CLIF
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.target_dir(dirs)
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.join(&bootstrap_host_compiler.triple)
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.join(channel)
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.join(get_file_name("rustc_codegen_cranelift", "dylib"))
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}
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