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Oct 27, 2020
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Document platform-specific build-dependencies #8809

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13 changes: 13 additions & 0 deletions src/doc/src/reference/specifying-dependencies.md
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Expand Up @@ -346,6 +346,19 @@ manifest:
cc = "1.0.3"
```


You can also have target-specific build dependencies by using
`build-dependencies` in the target section header instead of `dependencies`. For
example:

```toml
[target.'cfg(unix)'.build-dependencies]
cc = "1.0.3"
```

In this case, the dependency will only be built when the host platform matches the
specified target.

The build script **does not** have access to the dependencies listed
in the `dependencies` or `dev-dependencies` section. Build
dependencies will likewise not be available to the package itself
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