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Add help for the error message when missing rustc_driver

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This commit is contained in:
bjorn3
2022-12-13 11:30:58 +00:00
parent 5c84f76f57
commit 7837058073
5 changed files with 53 additions and 2 deletions
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9
compiler/rustc_metadata/src/dependency_format.rs
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@@ -54,7 +54,7 @@
use crate::creader::CStore;
use crate::errors::{
BadPanicStrategy, CrateDepMultiple, IncompatiblePanicInDropStrategy, LibRequired,
RequiredPanicStrategy, RlibRequired, TwoPanicRuntimes,
RequiredPanicStrategy, RlibRequired, RustcLibRequired, TwoPanicRuntimes,
};
use rustc_data_structures::fx::FxHashMap;
@@ -224,7 +224,12 @@ fn calculate_type(tcx: TyCtxt<'_>, ty: CrateType) -> DependencyList {
Linkage::Static => "rlib",
_ => "dylib",
};
sess.emit_err(LibRequired { crate_name: tcx.crate_name(cnum), kind: kind });
let crate_name = tcx.crate_name(cnum);
if crate_name.as_str().starts_with("rustc_") {
sess.emit_err(RustcLibRequired { crate_name, kind });
} else {
sess.emit_err(LibRequired { crate_name, kind });
}
}
}
}