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