gcc-4.4.0,

[Ian Lance Taylor]

Kate Minola <kate01123@gmail.com> writes:

> 1. gcc-4.4.0 and previous snapshots seem to build just fine
> without my having these two packages on my system.  Are they
> REALLY required ... or just recommended?  (Sort of like you did
> for gmp and mpfr.  There were recommended for a release, and
> then for the next major release they were required.)

The documentation is poorly written.  They are really required if you
want to use the Graphite loop optimizations.  They are optional
otherwise.


> 2. The Graphite loop optimizations - are they automatic if PPL and
> CLooG are installed in gcc ... or are they only used if you use the
> compile paramenters mentioned in the GCC 4.4.0 Change notes in
>
>      http://gcc.gnu.org/gcc-4.4/changes.html

They are only used if you explicitly request them.

Ian