new build system

[Satish Balay]

On Wed, 13 Jun 2007, Barry Smith wrote:

> On Wed, 13 Jun 2007, Lisandro Dalcin wrote:

> > 0 - The Main Goal (in my view)
> > ==================
> > 
> > The main goal of such a change should be to make life easier for
> > packagers and users of those prebuilt packages, and facilitate PETSc
> > availability in many Linux distributions. I this is not the main goal,
> > I see no point in changing things.
> 
>   Absolutely!

With the constraint that the old method of 'incremental updating
libraries', without 'prefix-install' works, and continues to support
multiple builds. This mode is critical to us developers [and most
PETSc users default to this mode]

Satish