--- a
+++ b/PC_Mainboard/Apps/cards/_tags
@@ -0,0 +1,9 @@
+# -*- conf -*-
+
+<**/*.ml>: syntax_camlp4o, pkg_camlp4
+<usb/**/*.ml>: pkg_lwt.syntax
+<{dbus-drivers,lib}/**/*.ml>: pkg_lwt.syntax, pkg_obus.syntax
+
+<usb/**/*>: thread, pkg_threads, pkg_usb
+<dbus-drivers/**/*>: thread, pkg_threads, pkg_obus, pkg_usb
+<lib/**/*>: pkg_obus