Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/proc-macro-srv-cli/src/main.rs')
-rw-r--r--crates/proc-macro-srv-cli/src/main.rs4
1 files changed, 4 insertions, 0 deletions
diff --git a/crates/proc-macro-srv-cli/src/main.rs b/crates/proc-macro-srv-cli/src/main.rs
index 000a526e9f..87f7555b02 100644
--- a/crates/proc-macro-srv-cli/src/main.rs
+++ b/crates/proc-macro-srv-cli/src/main.rs
@@ -1,5 +1,9 @@
//! A standalone binary for `proc-macro-srv`.
//! Driver for proc macro server
+#![cfg_attr(feature = "in-rust-tree", feature(rustc_private))]
+#[cfg(feature = "in-rust-tree")]
+extern crate rustc_driver as _;
+
use std::io;
fn main() -> std::io::Result<()> {