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| author | Josh Triplett <josh@joshtriplett.org> | 2021-07-06 20:54:54 -0700 |
|---|---|---|
| committer | Josh Triplett <josh@joshtriplett.org> | 2021-07-07 08:52:35 -0700 |
| commit | 84d6e8aed3af940c53e49e342575e91f502c7bd4 (patch) | |
| tree | 2091248b3ab1995da65abe55c9d1e5d25c06bf6e /compiler/rustc_feature | |
| parent | c0bd5a584da4f26a1391163a0bdc21b34cf1ba54 (diff) | |
| download | rust-84d6e8aed3af940c53e49e342575e91f502c7bd4.tar.gz rust-84d6e8aed3af940c53e49e342575e91f502c7bd4.zip | |
Implement cfg(target_abi) (RFC 2992)
Add an `abi` field to `TargetOptions`, defaulting to "". Support using `cfg(target_abi = "...")` for conditional compilation on that field. Gated by `feature(cfg_target_abi)`. Add a test for `target_abi`, and a test for the feature gate. Add `target_abi` to tidy as a platform-specific cfg. This does not add an abi to any existing target.
Diffstat (limited to 'compiler/rustc_feature')
| -rw-r--r-- | compiler/rustc_feature/src/active.rs | 3 | ||||
| -rw-r--r-- | compiler/rustc_feature/src/builtin_attrs.rs | 1 |
2 files changed, 4 insertions, 0 deletions
diff --git a/compiler/rustc_feature/src/active.rs b/compiler/rustc_feature/src/active.rs index f045a75cdc8..03f06466683 100644 --- a/compiler/rustc_feature/src/active.rs +++ b/compiler/rustc_feature/src/active.rs @@ -687,6 +687,9 @@ declare_features! ( /// Allows qualified paths in struct expressions, struct patterns and tuple struct patterns. (active, more_qualified_paths, "1.54.0", Some(80080), None), + /// Allows `cfg(target_abi = "...")`. + (active, cfg_target_abi, "1.55.0", Some(80970), None), + // ------------------------------------------------------------------------- // feature-group-end: actual feature gates // ------------------------------------------------------------------------- diff --git a/compiler/rustc_feature/src/builtin_attrs.rs b/compiler/rustc_feature/src/builtin_attrs.rs index 259a6328a22..94075656754 100644 --- a/compiler/rustc_feature/src/builtin_attrs.rs +++ b/compiler/rustc_feature/src/builtin_attrs.rs @@ -23,6 +23,7 @@ pub type GatedCfg = (Symbol, Symbol, GateFn); /// `cfg(...)`'s that are feature gated. const GATED_CFGS: &[GatedCfg] = &[ // (name in cfg, feature, function to check if the feature is enabled) + (sym::target_abi, sym::cfg_target_abi, cfg_fn!(cfg_target_abi)), (sym::target_thread_local, sym::cfg_target_thread_local, cfg_fn!(cfg_target_thread_local)), (sym::target_has_atomic, sym::cfg_target_has_atomic, cfg_fn!(cfg_target_has_atomic)), (sym::target_has_atomic_load_store, sym::cfg_target_has_atomic, cfg_fn!(cfg_target_has_atomic)), |