1 files changed, 26 insertions, 28 deletions
diff --git a/src/lib.rs b/src/lib.rs
index 22d90d8..4cd936d 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -11,34 +11,32 @@
 //! All items are only available when the `std` or `alloc` feature of this
 //! library is activated, and it is activated by default.
 
-#![cfg_attr(feature = "cfg-target-has-atomic", feature(cfg_target_has_atomic))]
-
 #![cfg_attr(not(feature = "std"), no_std)]
+#![warn(
+    missing_debug_implementations,
+    missing_docs,
+    rust_2018_idioms,
+    single_use_lifetimes,
+    unreachable_pub
+)]
+#![doc(test(
+    no_crate_inject,
+    attr(
+        deny(warnings, rust_2018_idioms, single_use_lifetimes),
+        allow(dead_code, unused_assignments, unused_variables)
+    )
+))]
 
-#![warn(missing_docs, missing_debug_implementations, rust_2018_idioms, unreachable_pub)]
-// It cannot be included in the published code because this lints have false positives in the minimum required version.
-#![cfg_attr(test, warn(single_use_lifetimes))]
-#![warn(clippy::all)]
-#![doc(test(attr(deny(warnings), allow(dead_code, unused_assignments, unused_variables))))]
-
-#[cfg(all(feature = "cfg-target-has-atomic", not(feature = "unstable")))]
-compile_error!("The `cfg-target-has-atomic` feature requires the `unstable` feature as an explicit opt-in to unstable features");
-
-macro_rules! cfg_target_has_atomic {
-    ($($item:item)*) => {$(
-        #[cfg_attr(feature = "cfg-target-has-atomic", cfg(target_has_atomic = "ptr"))]
-        $item
-    )*};
-}
-
-cfg_target_has_atomic! {
-    #[cfg(feature = "alloc")]
-    extern crate alloc;
+#[cfg(not(futures_no_atomic_cas))]
+#[cfg(feature = "alloc")]
+extern crate alloc;
 
-    #[cfg(feature = "alloc")]
-    mod lock;
-    #[cfg(feature = "std")]
-    pub mod mpsc;
-    #[cfg(feature = "alloc")]
-    pub mod oneshot;
-}
+#[cfg(not(futures_no_atomic_cas))]
+#[cfg(feature = "alloc")]
+mod lock;
+#[cfg(not(futures_no_atomic_cas))]
+#[cfg(feature = "std")]
+pub mod mpsc;
+#[cfg(not(futures_no_atomic_cas))]
+#[cfg(feature = "alloc")]
+pub mod oneshot;