Add check for macos aarch64: not available

Author: nbigaouette

onnxruntime-sys/build.rs

@@ -62,6 +62,15 @@ fn main() {
 fn generate_bindings(_include_dir: &Path) {
     println!("Bindings not generated automatically, using committed files instead.");
     println!("Enable with the 'generate-bindings' cargo feature.");
+
+    let os = env::var("CARGO_CFG_TARGET_OS").expect("Unable to get TARGET_OS");
+    let arch = env::var("CARGO_CFG_TARGET_ARCH").expect("Unable to get TARGET_ARCH");
+    if os == "macos" && arch == "aarch64" {
+        panic!(
+            "OnnxRuntime {} bindings for Apple M1 are not available",
+            ORT_VERSION
+        );
+    }
 }
 
 #[cfg(feature = "generate-bindings")]