Update futures-channel to 0.3.21
Test: cd external/rust/crates && atest --host -c
Change-Id: I9c1e17e5ea84d783817d5e69955f4c685e005721
diff --git a/build.rs b/build.rs
index 07b50bd..05e0496 100644
--- a/build.rs
+++ b/build.rs
@@ -1,9 +1,3 @@
-#![warn(rust_2018_idioms, single_use_lifetimes)]
-
-use std::env;
-
-include!("no_atomic_cas.rs");
-
// The rustc-cfg listed below are considered public API, but it is *unstable*
// and outside of the normal semver guarantees:
//
@@ -13,10 +7,15 @@
// need to enable it manually when building for custom targets or using
// non-cargo build systems that don't run the build script.
//
-// With the exceptions mentioned above, the rustc-cfg strings below are
-// *not* public API. Please let us know by opening a GitHub issue if your build
-// environment requires some way to enable these cfgs other than by executing
-// our build script.
+// With the exceptions mentioned above, the rustc-cfg emitted by the build
+// script are *not* public API.
+
+#![warn(rust_2018_idioms, single_use_lifetimes)]
+
+use std::env;
+
+include!("no_atomic_cas.rs");
+
fn main() {
let target = match env::var("TARGET") {
Ok(target) => target,
@@ -34,7 +33,7 @@
// `cfg(target_has_atomic = "ptr")` as true when the build script doesn't
// run. This is needed for compatibility with non-cargo build systems that
// don't run the build script.
- if NO_ATOMIC_CAS_TARGETS.contains(&&*target) {
+ if NO_ATOMIC_CAS.contains(&&*target) {
println!("cargo:rustc-cfg=futures_no_atomic_cas");
}