Detect and allow older nightlies

2 files changed, 11 insertions, 1 deletions

diff --git a/embassy-executor/src/lib.rs b/embassy-executor/src/lib.rs
index d816539ac..8e07a8b18 100644
--- a/embassy-executor/src/lib.rs
+++ b/embassy-executor/src/lib.rs
@@ -1,4 +1,5 @@
 #![cfg_attr(not(any(feature = "arch-std", feature = "arch-wasm")), no_std)]
+#![cfg_attr(all(feature = "nightly", not(at_least_2024_09_06)), feature(waker_getters))]
 #![allow(clippy::new_without_default)]
 #![doc = include_str!("../README.md")]
 #![warn(missing_docs)]
diff --git a/embassy-executor/src/raw/waker.rs b/embassy-executor/src/raw/waker.rs
index 8bb2cfd05..30b8cdd4c 100644
--- a/embassy-executor/src/raw/waker.rs
+++ b/embassy-executor/src/raw/waker.rs
@@ -50,7 +50,16 @@ pub fn task_from_waker(waker: &Waker) -> TaskRef {
 
         #[cfg(feature = "nightly")]
         {
-            (waker.vtable(), waker.data())
+            #[cfg(not(at_least_2024_09_06))]
+            {
+                let raw_waker = waker.as_raw();
+                (raw_waker.vtable(), raw_waker.data())
+            }
+
+            #[cfg(at_least_2024_09_06)]
+            {
+                (waker.vtable(), waker.data())
+            }
         }
     };