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Add rustc_fluent_macro to decouple fluent from rustc_macros

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Fluent, with all the icu4x it brings in, takes quite some time to
compile. `fluent_messages!` is only needed in further downstream rustc
crates, but is blocking more upstream crates like `rustc_index`. By
splitting it out, we allow `rustc_macros` to be compiled earlier, which
speeds up `x check compiler` by about 5 seconds (and even more after the
needless dependency on `serde_json` is removed from
`rustc_data_structures`).
This commit is contained in:
Nilstrieb 2023-04-16 14:33:00 +02:00
parent 6883c25a9b
commit f40e4da5d9
1 changed files with 2 additions and 1 deletions
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3
src/lib.rs
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@ -27,6 +27,7 @@
extern crate rustc_codegen_ssa;
extern crate rustc_data_structures;
extern crate rustc_errors;
extern crate rustc_fluent_macro;
extern crate rustc_hir;
extern crate rustc_macros;
extern crate rustc_metadata;
@ -76,7 +77,7 @@
use rustc_codegen_ssa::traits::{CodegenBackend, ExtraBackendMethods, ModuleBufferMethods, ThinBufferMethods, WriteBackendMethods};
use rustc_data_structures::fx::FxHashMap;
use rustc_errors::{DiagnosticMessage, ErrorGuaranteed, Handler, SubdiagnosticMessage};
use rustc_macros::fluent_messages;
use rustc_fluent_macro::fluent_messages;
use rustc_metadata::EncodedMetadata;
use rustc_middle::dep_graph::{WorkProduct, WorkProductId};
use rustc_middle::ty::TyCtxt;