Different approach to cfg

packages/desktop/src/menubar.rs

@@ -4,9 +4,11 @@ use tao::window::Window;
 
 #[allow(unused)]
 pub fn build_menu(window: &Window, default_menu_bar: bool) -> Option<Box<dyn Any>> {
+    #[allow(unused_mut)]
     let mut menu = None;
 
-    if cfg!(not(any(target_os = "ios", target_os = "android"))) {
+    #[cfg(not(any(target_os = "ios", target_os = "android")))]
+    {
         menu = Some(Box::new(impl_::build_menu_bar(default_menu_bar, window)) as Box<dyn Any>);
     }