changes to PETSc-dev bmake system and library locations

[Satish Balay]

On Mon, 11 Jun 2007, Lisandro Dalcin wrote:

> On 6/11/07, Satish Balay <balay at mcs.anl.gov> wrote:

> > There is nothing sepcial about having all installs inside a single
> > PETSC_DIR.  in the prefix model - the user specifies prefix just
> > like any other package. For eg:
> > 
> > --prefix=/usr/local --download-mpich
> > 
> > This should install both the packages [PETSc & MPI] in
> > /usr/local/[bin,include,lib]
> > 
> 
> I see the benefits now, I will try to update my build system for
> petsc4py and see what happens...
> 
> Can you please tell me what would be now the correct way to
> differentiate a 'build' mode and an 'install' mode? Just using
> directory structure?

If its based on PETSC_ARCH/PETSC_DIR from makefiles, things should
still work - [as PETSC_ARCH will be ignored by makefiles in the
prefix-install version]

Not sure what can be done or other 'automatic' detection
systems. Perhaps Barry has ideas on this.

Satish