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bootstrap: better error message for no_std docs

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Eric Huss 2022-03-28 12:13:18 -07:00
parent 600ec28483
commit 935e281959
1 changed files with 6 additions and 0 deletions
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6
src/bootstrap/doc.rs
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@ -432,6 +432,12 @@ impl Step for Std {
let stage = self.stage;
let target = self.target;
builder.info(&format!("Documenting stage{} std ({})", stage, target));
if builder.no_std(target) == Some(true) {
panic!(
"building std documentation for no_std target {target} is not supported\n\
Set `docs = false` in the config to disable documentation."
);
}
let out = builder.doc_out(target);
t!(fs::create_dir_all(&out));
let compiler = builder.compiler(stage, builder.config.build);