1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
use std::env;
use std::path::PathBuf;
use super::path::{Dirs, RelPath};
use super::rustc_info::get_file_name;
use super::utils::{is_ci, CargoProject, Compiler};
static CG_CLIF: CargoProject = CargoProject::new(&RelPath::SOURCE, "cg_clif");
pub(crate) fn build_backend(
dirs: &Dirs,
channel: &str,
host_triple: &str,
use_unstable_features: bool,
) -> PathBuf {
let mut cmd = CG_CLIF.build(&Compiler::host(), dirs);
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
.target_dir(dirs)
.join(host_triple)
.join(channel)
.join(get_file_name("rustc_codegen_cranelift", "dylib"))
}
|
