All unsupported platforms to use stub

error[E0432]: unresolved import `platform::PlatformManager`
  --> src/manager.rs:10:5
   |
10 | use platform::PlatformManager;
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^ Maybe a missing `extern crate platform;`?

src/lib.rs

@@ -23,8 +23,8 @@ pub mod platform;
 #[path = "windows/mod.rs"]
 pub mod platform;
 
-#[cfg(any(target_os = "android"))]
-#[path = "android/mod.rs"]
+#[cfg(not(any(target_os = "linux", target_os = "macos", target_os = "windows")))]
+#[path = "stub/mod.rs"]
 pub mod platform;
 
 #[macro_use]