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Rollup merge of #127908 - fasterthanlime:patch-1, r=jieyouxu

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Update extern linking documentation

In particular, remove the note saying cdylibs can't link against dylibs — that hasn't been true for over four years.

  * 2019-11-07: note is written: b54e8ecc2e
  * 2020-01-23: restriction is lifted (without updating docs): 72aaa3a414
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Matthias Krüger 2024-07-18 18:10:17 +02:00 committed by GitHub
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15
src/doc/rustc/src/codegen-options/index.md
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@ -410,13 +410,16 @@ See also the [`no-prepopulate-passes`](#no-prepopulate-passes) flag.
By default, `rustc` prefers to statically link dependencies. This option will
indicate that dynamic linking should be used if possible if both a static and
dynamic versions of a library are available. There is an internal algorithm
for determining whether or not it is possible to statically or dynamically
link with a dependency. For example, `cdylib` crate types may only use static
linkage. This flag takes one of the following values:
dynamic versions of a library are available.
* `y`, `yes`, `on`, `true` or no value: use dynamic linking.
* `n`, `no`, `off` or `false`: use static linking (the default).
There is [an internal algorithm](https://github.com/rust-lang/rust/blob/master/compiler/rustc_metadata/src/dependency_format.rs)
for determining whether or not it is possible to statically or dynamically link
with a dependency.
This flag takes one of the following values:
* `y`, `yes`, `on`, `true` or no value: prefer dynamic linking.
* `n`, `no`, `off` or `false`: prefer static linking (the default).
## profile-generate