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Set RUSTVERSION=1 during rustc --version command #68

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dtolnay merged 1 commit into from
Jul 7, 2026
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Set RUSTVERSION=1 during rustc --version command #68

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5 changes: 5 additions & 0 deletions build/build.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -38,6 +38,11 @@ fn main() {
}
command.arg("--version");

// Allow wrapper scripts or alternate compilers to tell that this is
// `rustversion` running --version, so that they can stick to rustc's
// version format. https://github.com/dtolnay/rustversion/issues/67
command.env("RUSTVERSION", "1");

let output = match command.output() {
Ok(output) => output,
Err(e) => {
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