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Rollup merge of #105970 - Ezrashaw:add-docs+test-e0462, r=GuillaumeGomez

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docs/test: add UI test and long-form error docs for E0462

Another UI test/ docs combo.

r? ``@GuillaumeGomez``
This commit is contained in:
Matthias Krüger 2022-12-24 00:31:40 +01:00 • committed by GitHub
commit e08dd9d998
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6 changed files with 63 additions and 3 deletions
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2
compiler/rustc_error_codes/src/error_codes.rs
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@ -244,6 +244,7 @@ E0457: include_str!("./error_codes/E0457.md"),
E0458: include_str!("./error_codes/E0458.md"),
E0459: include_str!("./error_codes/E0459.md"),
E0460: include_str!("./error_codes/E0460.md"),
E0462: include_str!("./error_codes/E0462.md"),
E0463: include_str!("./error_codes/E0463.md"),
E0464: include_str!("./error_codes/E0464.md"),
E0466: include_str!("./error_codes/E0466.md"),
@ -595,7 +596,6 @@ E0791: include_str!("./error_codes/E0791.md"),
// E0427, // merged into 530
// E0456, // plugin `..` is not available for triple `..`
E0461, // couldn't find crate `..` with expected target triple ..
E0462, // found staticlib `..` instead of rlib or dylib
E0465, // multiple .. candidates for `..` found
// E0467, // removed
// E0470, // removed

32
compiler/rustc_error_codes/src/error_codes/E0462.md Normal file
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@ -0,0 +1,32 @@
Found `staticlib` `..` instead of `rlib` or `dylib`.
Consider the following two files:
`a.rs`
```ignore (cannot-link-with-other-tests)
#![crate_type = "staticlib"]
fn foo() {}
```
`main.rs`
```ignore (cannot-link-with-other-tests)
extern crate a;
fn main() {
a::foo();
}
```
Crate `a` is compiled as a `staticlib`. A `staticlib` is a system-dependant
library only intended for linking with non-Rust applications (C programs). Note
that `staticlib`s include all upstream dependencies (`core`, `std`, other user
dependencies, etc) which makes them significantly larger than `dylib`s:
prefer `staticlib` for linking with C programs. Learn more about different
`crate_type`s in [this section of the Reference](../reference/linkage.html).
This error can be fixed by:
* Using [Cargo](../cargo/index.html), the Rust package manager, automatically
fixing this issue.
* Recompiling the crate as a `rlib` or `dylib`; formats suitable for Rust
linking.