bjoernager/rust
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Implement RFC 2951: Native link modifiers

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This commit implements both the native linking modifiers infrastructure
as well as an initial attempt at the individual modifiers from the RFC.
It also introduces a feature flag for the general syntax along with
individual feature flags for each modifier.
This commit is contained in:
Luqman Aden 2021-03-24 21:45:09 -07:00
parent bacf770f29
commit db555e1284
38 changed files with 829 additions and 170 deletions
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20
compiler/rustc_feature/src/active.rs
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@ -656,6 +656,21 @@ declare_features! (
/// Allows using imported `main` function
(active, imported_main, "1.53.0", Some(28937), None),
/// Allows specifying modifiers in the link attribute: `#[link(modifiers = "...")]`
(active, native_link_modifiers, "1.53.0", Some(81490), None),
/// Allows specifying the bundle link modifier
(active, native_link_modifiers_bundle, "1.53.0", Some(81490), None),
/// Allows specifying the verbatim link modifier
(active, native_link_modifiers_verbatim, "1.53.0", Some(81490), None),
/// Allows specifying the whole-archive link modifier
(active, native_link_modifiers_whole_archive, "1.53.0", Some(81490), None),
/// Allows specifying the as-needed link modifier
(active, native_link_modifiers_as_needed, "1.53.0", Some(81490), None),
// -------------------------------------------------------------------------
// feature-group-end: actual feature gates
// -------------------------------------------------------------------------
@ -683,6 +698,11 @@ pub const INCOMPLETE_FEATURES: &[Symbol] = &[
sym::const_generics_defaults,
sym::inherent_associated_types,
sym::type_alias_impl_trait,
sym::native_link_modifiers,
sym::native_link_modifiers_bundle,
sym::native_link_modifiers_verbatim,
sym::native_link_modifiers_whole_archive,
sym::native_link_modifiers_as_needed,
];
/// Some features are not allowed to be used together at the same time, if