Some fixes

source/external/ExternalMac.hx

@@ -1,6 +1,6 @@
 package external;
 
-#if mac
+#if (mac && cpp)
 @:build(external.LinkerMacro.xml('external_code.xml'))
 @:include('Mac.h')
 @:native('ExternalMac')

source/funkin/backend/utils/MemoryUtil.hx

@@ -88,14 +88,18 @@ final class MemoryUtil {
 	 */
 	public static function getTotalMem():Float
 	{
-		#if windows
-		return funkin.backend.utils.native.Windows.getTotalRam();
-		#elseif mac
-		return funkin.backend.utils.native.Mac.getTotalRam();
-		#elseif linux
-		return funkin.backend.utils.native.Linux.getTotalRam();
+		#if cpp
+			#if windows
+			return funkin.backend.utils.native.Windows.getTotalRam();
+			#elseif mac
+			return funkin.backend.utils.native.Mac.getTotalRam();
+			#elseif linux
+			return funkin.backend.utils.native.Linux.getTotalRam();
+			#else
+			return 0;
+			#end
 		#else
-		return 0;
+			return 0;
 		#end
 	}
 

source/funkin/backend/utils/NativeAPI.hx

@@ -207,7 +207,7 @@ class NativeAPI {
 	 * Set cursor icon.
 	**/
 	public static function setCursorIcon(icon:CodeCursor) {
-		#if mac
+		#if (mac && cpp)
 		Mac.setMouseCursorIcon(cast icon);
 		#else
 		Mouse.cursor = icon.toOpenFL();

source/funkin/backend/utils/native/Mac.hx

@@ -1,6 +1,6 @@
 package funkin.backend.utils.native;
 
-#if mac
+#if (mac && cpp)
 import funkin.backend.utils.NativeAPI.CodeCursor;
 import openfl.ui.Mouse;