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Update doc of get_target_from_rustc

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Signed-off-by: Jiahao XU <Jiahao_XU@outlook.com>
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Jiahao XU 2022-06-07 12:11:49 +10:00
parent 95b7c4f771
commit 96336e4dd9
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src/target.rs
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@ -98,7 +98,8 @@ pub async fn detect_targets() -> Targets {
} }
} }
// Figure out what the host target is, from rustc or from this program's own build target /// Figure out what the host target is using `rustc`.
/// If `rustc` is absent, then it would return `None`.
async fn get_target_from_rustc() -> Option<Box<str>> { async fn get_target_from_rustc() -> Option<Box<str>> {
match Command::new("rustc").arg("-vV").output().await { match Command::new("rustc").arg("-vV").output().await {
Ok(Output { status, stdout, .. }) if status.success() => Cursor::new(stdout) Ok(Output { status, stdout, .. }) if status.success() => Cursor::new(stdout)