patches from the graphite branch for review

[Sebastian Pop]

>> +
>> +# Check for PPL
>> +ppllibs=
>> +pplinc=
>
> It would be great to factor this code, Cloog's, GMP's and MPFR's into an
> autoconf macro.
>

I don't know yet how that code could be factored.  I will work on a
fix after the graphite merge.

> I think you shouldn't revert the patch to support in-tree Cloog and PPL. Â I
> looked at it, and even if it doesn't work I think it is better to have it
> than not.
>

I reverted my revert ;-), but still I don't know why the in-source
build of PPL does not work.  I can investigate this next week.

Thanks for the review,
Sebastian Pop
--
AMD - GNU Tools