Suppress unexpected cfgs lint when built without build script

dtolnay · May 7, 2024 · 1d9011d · 1d9011d
1 parent 462896c
commit 1d9011d
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Showing 4 changed files with 5 additions and 0 deletions.
diff --git a/gen/build/src/lib.rs b/gen/build/src/lib.rs
@@ -46,6 +46,7 @@
 //! ```
 
 #![doc(html_root_url = "https://docs.rs/cxx-build/1.0.122")]
+#![cfg_attr(not(check_cfg), allow(unexpected_cfgs))]
 #![allow(
     clippy::cast_sign_loss,
     clippy::default_trait_access,

diff --git a/gen/cmd/src/main.rs b/gen/cmd/src/main.rs
@@ -1,3 +1,4 @@
+#![cfg_attr(not(check_cfg), allow(unexpected_cfgs))]
 #![allow(
     clippy::cast_sign_loss,
     clippy::cognitive_complexity,

diff --git a/gen/lib/src/lib.rs b/gen/lib/src/lib.rs
@@ -10,6 +10,7 @@
 #![doc(html_root_url = "https://docs.rs/cxx-gen/0.7.122")]
 #![deny(missing_docs)]
 #![allow(dead_code)]
+#![cfg_attr(not(check_cfg), allow(unexpected_cfgs))]
 #![allow(
     clippy::cast_sign_loss,
     clippy::default_trait_access,

diff --git a/tools/cargo/build.rs b/tools/cargo/build.rs
@@ -48,6 +48,8 @@ through crates.io.
 ";
 
 fn main() {
+    println!("cargo:rustc-cfg=check_cfg");
+    println!("cargo:rustc-check-cfg=cfg(check_cfg)");
     println!("cargo:rustc-check-cfg=cfg(feature, values(\"experimental-async-fn\"))");
     println!("cargo:rustc-check-cfg=cfg(feature, values(\"experimental-enum-variants-from-header\"))");