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Add note about patching dependencies and warnings. #1354

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May 21, 2022
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Add note about patching dependencies and warnings. #1354

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6 changes: 6 additions & 0 deletions src/building/new-target.md
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Expand Up @@ -104,6 +104,12 @@ index be15e50e2bc..4fb1248ba99 100644

After this, run `cargo update -p libc` to update the lockfiles.

Beware that if you patch to a local `path` dependency, this will enable
warnings for that dependency. Some dependencies are not warning-free, and due
to the `deny-warnings` setting in `config.toml`, the build may suddenly start
to fail. To work around the warnings, you may want to disable `deny-warnings`
in the config, or modify the dependency to remove the warnings.

[`libc`]: https://crates.io/crates/libc
[`cc`]: https://crates.io/crates/cc
[patch]: https://doc.rust-lang.org/stable/cargo/reference/overriding-dependencies.html#the-patch-section
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