Emit cargo:rustc-check-cfg instructions from build.rs

2 files changed, 5 insertions, 29 deletions

diff --git a/embassy-sync/build.rs b/embassy-sync/build.rs
index afd76dad1..2649f5d37 100644
--- a/embassy-sync/build.rs
+++ b/embassy-sync/build.rs
@@ -1,31 +1,7 @@
-use std::env;
+#[path = "../build_common.rs"]
+mod common;
 
 fn main() {
-    println!("cargo:rerun-if-changed=build.rs");
-
-    let target = env::var("TARGET").unwrap();
-
-    if target.starts_with("thumbv6m-") {
-        println!("cargo:rustc-cfg=cortex_m");
-        println!("cargo:rustc-cfg=armv6m");
-    } else if target.starts_with("thumbv7m-") {
-        println!("cargo:rustc-cfg=cortex_m");
-        println!("cargo:rustc-cfg=armv7m");
-    } else if target.starts_with("thumbv7em-") {
-        println!("cargo:rustc-cfg=cortex_m");
-        println!("cargo:rustc-cfg=armv7m");
-        println!("cargo:rustc-cfg=armv7em"); // (not currently used)
-    } else if target.starts_with("thumbv8m.base") {
-        println!("cargo:rustc-cfg=cortex_m");
-        println!("cargo:rustc-cfg=armv8m");
-        println!("cargo:rustc-cfg=armv8m_base");
-    } else if target.starts_with("thumbv8m.main") {
-        println!("cargo:rustc-cfg=cortex_m");
-        println!("cargo:rustc-cfg=armv8m");
-        println!("cargo:rustc-cfg=armv8m_main");
-    }
-
-    if target.ends_with("-eabihf") {
-        println!("cargo:rustc-cfg=has_fpu");
-    }
+    let mut cfgs = common::CfgSet::new();
+    common::set_target_cfgs(&mut cfgs);
 }
diff --git a/embassy-sync/src/lib.rs b/embassy-sync/src/lib.rs
index 1873483f9..a5eee8d02 100644
--- a/embassy-sync/src/lib.rs
+++ b/embassy-sync/src/lib.rs
@@ -1,4 +1,4 @@
-#![cfg_attr(not(any(feature = "std", feature = "wasm")), no_std)]
+#![cfg_attr(not(feature = "std"), no_std)]
 #![allow(async_fn_in_trait)]
 #![allow(clippy::new_without_default)]
 #![doc = include_str!("../README.md")]