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Diffstat (limited to 'crates/proc-macro-api/src/lib.rs')
| -rw-r--r-- | crates/proc-macro-api/src/lib.rs | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/crates/proc-macro-api/src/lib.rs b/crates/proc-macro-api/src/lib.rs index f0c7ce7efd..8e1faca00a 100644 --- a/crates/proc-macro-api/src/lib.rs +++ b/crates/proc-macro-api/src/lib.rs @@ -12,6 +12,11 @@ )] #![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; pub mod legacy_protocol; |