From 5bf2188a4fded1a04f1126e444e586e6aef47064 Mon Sep 17 00:00:00 2001
From: "Alex M. M." <acdenissk69@gmail.com>
Date: Mon, 13 May 2024 22:14:11 +0200
Subject: [PATCH] Add `tokio_unstable` to the list of reachable `#[cfg(...)]`s

---
 build.rs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/build.rs b/build.rs
index 9808e9d259b..2d9b7cebfab 100644
--- a/build.rs
+++ b/build.rs
@@ -11,4 +11,6 @@ compile_error!(
     If you are unsure, go with `rustls_backend`."
 );
 
-fn main() {}
+fn main() {
+    println!("cargo:rustc-check-cfg=cfg(tokio_unstable)");
+}