AC_ARG_WITH(monodroid, [ --with-monodroid=yes,no If you want to build the MonoDroid assemblies (defaults to no)], [], [with_monodroid=no])
AC_ARG_WITH(monotouch, [ --with-monotouch=yes,no If you want to build the Xamarin.iOS assemblies (defaults to no)], [], [with_monotouch=no])
AC_ARG_WITH(monotouch_watch, [ --with-monotouch_watch=yes,no If you want to build the Xamarin.WatchOS assemblies (defaults to no)],[], [with_monotouch_watch=no])
AC_ARG_WITH(monodroid, [ --with-monodroid=yes,no If you want to build the MonoDroid assemblies (defaults to no)], [], [with_monodroid=no])
AC_ARG_WITH(monotouch, [ --with-monotouch=yes,no If you want to build the Xamarin.iOS assemblies (defaults to no)], [], [with_monotouch=no])
AC_ARG_WITH(monotouch_watch, [ --with-monotouch_watch=yes,no If you want to build the Xamarin.WatchOS assemblies (defaults to no)],[], [with_monotouch_watch=no])