From a73c6f24e97b515a8007e4d9313b11de1dde948c Mon Sep 17 00:00:00 2001
From: dswij <dswijj@gmail.com>
Date: Wed, 8 May 2024 23:03:05 +0800
Subject: [PATCH] fix unexpected cfg on nightly

---
 .github/workflows/ci.yml | 12 ++++++++++++
 src/lib.rs               |  1 +
 2 files changed, 13 insertions(+)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5aa58b1d4..90aa511d8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -165,6 +165,17 @@ jobs:
       run: rustup component add rust-src
     - name: Run tests with sanitizer
       run: make test_sanitizer SAN=${{ matrix.sanitizer }}
+  UnexpectedCfgs:
+    runs-on: ubuntu-latest
+    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 internal_check_unexpected_cfgs
   # Single job required to merge the pr.
   Passed:
     runs-on: ubuntu-latest
@@ -179,5 +190,6 @@ jobs:
       - Rustfmt
       - CheckTargets
       - CheckTier3Targets
+      - UnexpectedCfgs
     steps:
       - run: exit 0
diff --git a/src/lib.rs b/src/lib.rs
index 8004ee2bb..cf09873cf 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -5,6 +5,7 @@
     unused_imports,
     dead_code
 )]
+#![cfg_attr(internal_check_unexpected_cfgs, allow(unexpected_cfgs))]
 #![cfg_attr(docsrs, feature(doc_cfg))]
 // Disallow warnings when running tests.
 #![cfg_attr(test, deny(warnings))]