Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Fix cargo run tidy #94806

Merged
merged 1 commit into from
Mar 31, 2022
Merged

Fix cargo run tidy #94806

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
8 changes: 7 additions & 1 deletion src/bootstrap/lib.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -117,6 +117,7 @@ use std::os::unix::fs::symlink as symlink_file;
use std::os::windows::fs::symlink_file;

use filetime::FileTime;
use once_cell::sync::OnceCell;

use crate::builder::Kind;
use crate::config::{LlvmLibunwind, TargetSelection};
Expand Down Expand Up @@ -892,7 +893,12 @@ impl Build {

/// Returns the sysroot of the snapshot compiler.
fn rustc_snapshot_sysroot(&self) -> &Path {
self.initial_rustc.parent().unwrap().parent().unwrap()
static SYSROOT_CACHE: OnceCell<PathBuf> = once_cell::sync::OnceCell::new();
SYSROOT_CACHE.get_or_init(|| {
let mut rustc = Command::new(&self.initial_rustc);
rustc.args(&["--print", "sysroot"]);
output(&mut rustc).trim().into()
})
}

/// Runs a command, printing out nice contextual information if it fails.
Expand Down