From 56ef0cc791949b9ce9d2aaf202fa13af3a776b52 Mon Sep 17 00:00:00 2001
From: tottoto <tottotodev@gmail.com>
Date: Wed, 8 May 2024 21:31:01 +0900
Subject: [PATCH] chore(lib): fix unexpected cfg warning (#3660)

---
 .github/workflows/CI.yml | 17 +++++++++++++++++
 src/lib.rs               |  1 +
 2 files changed, 18 insertions(+)

diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index bd03dbaff3..fa765ae9b7 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -23,6 +23,7 @@ jobs:
       - features
       - ffi
       - ffi-header
+      - unexpected-cfgs
       - doc
       - check-external-types
       - udeps
@@ -220,6 +221,22 @@ jobs:
       - name: Ensure that hyper.h is up to date
         run: ./capi/gen_header.sh --verify
 
+  unexpected-cfgs:
+    runs-on: ubuntu-latest
+    needs: [style]
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@nightly
+      - uses: Swatinem/rust-cache@v2
+      - run: cargo check --all-features
+        env:
+          RUSTFLAGS: >-
+            -D unexpected_cfgs
+            --cfg hyper_internal_check_unexpected_cfgs
+            --cfg hyper_unstable_tracing
+            --cfg hyper_unstable_ffi
+            --check-cfg=cfg(hyper_internal_check_unexpected_cfgs,hyper_unstable_tracing,hyper_unstable_ffi)
+
   doc:
     name: Build docs
     needs: [style, test]
diff --git a/src/lib.rs b/src/lib.rs
index 23087a0efe..0e734aa551 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,5 +1,6 @@
 #![deny(missing_docs)]
 #![deny(missing_debug_implementations)]
+#![cfg_attr(not(hyper_internal_check_unexpected_cfgs), allow(unexpected_cfgs))]
 #![cfg_attr(test, deny(rust_2018_idioms))]
 #![cfg_attr(all(test, feature = "full"), deny(unreachable_pub))]
 #![cfg_attr(all(test, feature = "full"), deny(warnings))]