Performance problems in CMake support

[Kris Wong]

> Yes, I've ran callgrind too and it seems that this qregexp is spent by
> the finders so there is no much to do on the code.
>
> My plan is to bring cache support which I think will bring
> the needed speed.
>
> Bye,
> Aleix

Is there a reason it was decided to use regular expressions to implement the parser?  This will likely always be a bottle neck.  Regular expressions are slow.

Kris Wong