use std::env;
-use std::path::{Path, PathBuf};
-use std::process::Command;
+use std::path::PathBuf;
-pub(crate) fn build_backend(channel: &str, host_triple: &str) -> PathBuf {
- let mut cmd = Command::new("cargo");
- cmd.arg("build").arg("--target").arg(host_triple);
+use super::rustc_info::get_file_name;
+use super::utils::{cargo_command, is_ci};
+
+pub(crate) fn build_backend(
+ channel: &str,
+ host_triple: &str,
+ use_unstable_features: bool,
+) -> PathBuf {
+ let source_dir = std::env::current_dir().unwrap();
+ let mut cmd = cargo_command("cargo", "build", Some(host_triple), &source_dir);
+
+ 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" => {}
_ => unreachable!(),
}
- if cfg!(unix) {
- if cfg!(target_os = "macos") {
- cmd.env(
- "RUSTFLAGS",
- "-Csplit-debuginfo=unpacked \
- -Clink-arg=-Wl,-rpath,@loader_path/../lib \
- -Zosx-rpath-install-name"
- .to_string()
- + env::var("RUSTFLAGS").as_deref().unwrap_or(""),
- );
- } else {
- cmd.env(
- "RUSTFLAGS",
- "-Clink-arg=-Wl,-rpath=$ORIGIN/../lib ".to_string()
- + env::var("RUSTFLAGS").as_deref().unwrap_or(""),
- );
- }
- }
+ cmd.env("RUSTFLAGS", rustflags);
eprintln!("[BUILD] rustc_codegen_cranelift");
- crate::utils::spawn_and_wait(cmd);
+ super::utils::spawn_and_wait(cmd);
- Path::new("target").join(host_triple).join(channel)
+ source_dir
+ .join("target")
+ .join(host_triple)
+ .join(channel)
+ .join(get_file_name("rustc_codegen_cranelift", "dylib"))
}