Clark's already said he doesn't have the money.
Emirates rules out buying stake in Qantas, amid signs the Government could ease foreign ownership cap - ABC News (Australian Broadcasting Corporation)
Do you really expect Emirates to say they are after Qantas, thus maybe attracting other potential buyers and more importantly jacking the price up.
Of course they are not interested and do not have the money, and that is the story right up until they take it all over.
It WILL happen, just a matter of when.