about GCC dependencies cloog/ppl/isl

Jonathan Wakely jwakely.gcc@gmail.com
Sun Jul 29 17:40:00 GMT 2012

On 29 July 2012 16:56, niXman wrote:
> Hello,
> I produce MinGW builds already about a year. In builds are used
> gmp+mpfr+mpc+ppl+cloog. Now I can not remember why I use ppl, and on
> the basis of what documentation I have come to this.
> Accidentally have I read the list of prerequisites for GCC and found
> that there is not a word about ppl, but says only about cloog and isl.
> But, nevertheless, I configure GCC using the option '--with-ppl', and
> my builds depend on libppl_c-4.dll.
> Therefore, I want to find out do I need to use ppl? Is there any
> difference what to use - ppl or cloog+isl? What is the difference?

Until recently the optional Graphite loop optimisations required cloog
and ppl. Now trunk requires cloog and isl instead, so you can stop
using ppl on trunk.

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