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Diffstat (limited to 'crates/proc-macro-api/src/lib.rs')
| -rw-r--r-- | crates/proc-macro-api/src/lib.rs | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/crates/proc-macro-api/src/lib.rs b/crates/proc-macro-api/src/lib.rs index f0c7ce7efd..85b250eddf 100644 --- a/crates/proc-macro-api/src/lib.rs +++ b/crates/proc-macro-api/src/lib.rs @@ -11,6 +11,10 @@ feature(proc_macro_internals, proc_macro_diagnostic, proc_macro_span) )] #![allow(internal_features)] +#![cfg_attr(feature = "in-rust-tree", feature(rustc_private))] + +#[cfg(feature = "in-rust-tree")] +extern crate rustc_driver as _; mod codec; mod framing; |