2 experimental projects

Mike Stump wrote:

> My testing shows that -j4 is the sweet spot on my MacPro with 4 CPUs
> for cfe.
>
> 17.334 --> 7.681
>
> Nice, thanks. Anyway, := evaluates the variable once, = merely
> substitutes it, causing it to be run multiple times. With the below
> patch we go from 4 evaluations to 2.

looks good, applied!

<http://lists.cs.uiuc.edu/pipermail/cfe-commits/Week-of-Mon-20080317/004802.html&gt;

Thanks,

  Gabor