Fix.

Author: burningtnt

src/main.rs

@@ -6,11 +6,11 @@
 #![feature(panic_backtrace_config, const_convert, const_trait_impl)]
 #![feature(unsafe_cell_access)]
 
-#[cfg(any(
+#[cfg(not(any(
     target_os = "windows",
     target_os = "linux",
     target_os = "macos"
-))]
+)))]
 compile_error!("Terracotta lib mode is intended for Android platform.");
 
 #[macro_export]