50 lines
1.3 KiB
Rust
50 lines
1.3 KiB
Rust
use std::env;
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use std::path::PathBuf;
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use super::rustc_info::get_file_name;
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use super::utils::{cargo_command, is_ci};
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pub(crate) fn build_backend(
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channel: &str,
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host_triple: &str,
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use_unstable_features: bool,
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) -> PathBuf {
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let source_dir = std::env::current_dir().unwrap();
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let mut cmd = cargo_command("cargo", "build", Some(host_triple), &source_dir);
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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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}
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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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source_dir
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.join("target")
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.join(host_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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