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Error while path patching libc as one of rustc's dependencies #97209

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zetanumbers opened this issue May 20, 2022 · 3 comments
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Error while path patching libc as one of rustc's dependencies #97209

zetanumbers opened this issue May 20, 2022 · 3 comments
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C-bug Category: This is a bug.

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@zetanumbers
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rust-lang/libc#2794
@zetanumbers zetanumbers added the C-bug Category: This is a bug. label May 20, 2022
@zetanumbers
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This can be fixed with deny-warnings = false in the config.toml, but i am not sure i it not a problem.

@zetanumbers
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This is not an actual issue.

@ehuss
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ehuss commented May 20, 2022

Yea, this is normal behavior with a path dependency. Using a path enables warnings. unused_macro_rules is a new lint that is unknown to the current beta bootstrap compiler. As soon as the bootstrap compiler is updated, the warning should go away. You can do that locally with ./x.py run src/tools/bump-stage0. Alternatively, you can just allow the warnings, or modify your local copy of libc to not include that allow lint.

I posted rust-lang/rustc-dev-guide#1354 since I've seen a few people get confused by this.

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