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don't run build probes in rustc bootstrap #320

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Aug 15, 2023
Merged

don't run build probes in rustc bootstrap #320

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8 changes: 8 additions & 0 deletions build.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -68,6 +68,14 @@ fn main() {
}

fn compile_probe() -> Option<ExitStatus> {
if env::var_os("RUSTC_STAGE").is_some() {
// We are running inside rustc bootstrap. This is a highly non-standard environment with
// issues such as <https://github.com/rust-lang/cargo/issues/11138> and
// <https://github.com/rust-lang/rust/issues/114839>. Let's just not use nightly features
// here.
return None;
}

let rustc = env::var_os("RUSTC")?;
let out_dir = env::var_os("OUT_DIR")?;
let probefile = Path::new(&out_dir).join("probe.rs");
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