cmake: add TODOs in plugins/platforms for future

Change-Id: I472b87cdd4f87633df7867c161ab861fba519bd3
Reviewed-by: Albert Astals Cid <albert.astals.cid@kdab.com>

src/plugins/platforms/CMakeLists.txt

@@ -1,3 +1,7 @@
+if(ANDROID) # AND NOT android-embedded
+#    TODO   add_subdirectory(android)
+endif()
+
 if(NOT ANDROID)
     add_subdirectory(minimal)
 endif()
@@ -10,15 +14,63 @@ if(QT_FEATURE_xcb)
     add_subdirectory(xcb)
 endif()
 
+if(APPLE_UIKIT AND NOT watchOS)
+#    TODO   add_subdirectory(ios)
+endif()
+
+if(APPLE_OSX)
+    add_subdirectory(cocoa)
+endif()
+
+if(WIN32 AND NOT WINRT)
+#    TODO   add_subdirectory(windows)
+endif()
+
+if(WINRT)
+#    TODO   add_subdirectory(winrt)
+endif()
+
+if(QT_FEATURE_direct2d)
+#    TODO   add_subdirectory(direct2d)
+endif()
+
+if(QNX)
+#    TODO   add_subdirectory(qnx)
+endif()
+
 if(QT_FEATURE_eglfs)
+#    TODO   add_subdirectory(eglfs)
     add_subdirectory(minimalegl)
 endif()
 
+if(QT_FEATURE_directfb)
+#    TODO   add_subdirectory(directfb)
+endif()
+
 if(QT_FEATURE_linuxfb)
     add_subdirectory(linuxfb)
 endif()
 
-if(APPLE)
+if(TARGET Qt::Network AND QT_FEATURE_vnc)
-    add_subdirectory(cocoa)
+#    TODO   add_subdirectory(vnc)
-endif(APPLE)
+endif()
 
+if(FREEBSD)
+#    TODO   add_subdirectory(bsdfb)
+endif()
+
+if(HAIKU)
+#    TODO   add_subdirectory(haiku)
+endif()
+
+#if(WASM)
+#    TODO   add_subdirectory(wasm)
+#endif()
+
+if(QT_FEATURE_mirclient)
+#    TODO   add_subdirectory(mirclient)
+endif()
+
+if(QT_FEATURE_integrityfb)
+#    TODO   add_subdirectory(integrityfb)
+endif()