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Remove profile overrides again after compiling for custom target

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Philipp Oppermann
2023-04-30 16:54:38 +02:00
parent 646e5ba502
commit 7ce9ae1caf
1 changed files with 6 additions and 1 deletions
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blog/content/edition-3/posts/01-minimal-kernel/index.md
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@@ -350,7 +350,12 @@ Afterwards, we can [cross compile] our executable for a bare metal environment b
error: requires `start` lang_item
```
We still get the error about a missing `start` language item because we're still depending on the Rust runtime. To remove that dependency, we can use the `#[no_main]` attribute.
We still get the error about a missing `start` language item because the custom target only removed the dependency on the C library.
To remove the dependency on the Rust runtime as well, we can use the `#[no_main]` attribute.
Before that, we can do a small cleanup.
The `x86_64-unknown-none` target defaults to `panic = "abort"`, so the we can remove the `profile.dev` and `profile.release` tables from our `Cargo.toml` again.
### The `#[no_main]` Attribute