[petsc-users] macport and petsc

[George Pau]

Hi All,

I am attaching the zip file of the configure.log.  I forwarding it to both
petsc-users and petsc-maint.  I completely understand the intricacies of
multi-platform build system.

Thanks,
George



On Wed, Apr 24, 2013 at 8:39 PM, Barry Smith <bsmith at mcs.anl.gov> wrote:

>
> On Apr 24, 2013, at 10:29 PM, Satish Balay <balay at mcs.anl.gov> wrote:
>
> > On Wed, 24 Apr 2013, Barry Smith wrote:
> >
> >>
> >> On Apr 24, 2013, at 10:00 PM, Satish Balay <balay at mcs.anl.gov> wrote:
> >>
> >>> compressed logs to petsc-users/petsc-dev is acceptable now.
> >>>
> >>> [not sure if autocompression of attachments can be setup with mailmain
> >>> mailing lists]
> >>>
> >>> macports has some conflicts with the default blas/lapack - so its best
> >>> to avoid it. [you can use --download-openmpi to get non-macports mpi]
> >>
> >>   Satish,
> >>
> >>   We should fix the PETSc BLAS/LAPACK configuration (BuildSystem) to
> not "have conflicts with macports blas/lapack" by, for example, to use the
> Apple BLAS/LAPACK if the macports one fail. That is, we shouldn't tell
> people not to use macports, we should have a configuration system robust
> enough to handle macports problems. Is this a problem we can reproduce? and
> hence debug? and hence fix?
> >
> > I don't remember the exact issue. [a configure.log for this failure
> > can perhaps refresh our memories]
> >
> > One way a conflicts creep in is - with non-blas-lapack packages that a
> > user might specify from macports.
> >
> > For ex: configure check for blas/lapack from system location succeeds.
> > Next when configure checks the other package from macports location -
> > the blas from macports gets picked up and fails.
> >
> > i.e
> > "gcc -lblas" works.
> > "gcc -L/opt/macports/lib -lotherpackage -lblas" fails..
>
>    Unix and Buildsystem suck :-).
>
>     Why does the macports blas fail? Why are they delivering an incomplete
> blas?
>
>    Barry
>
>
> >
> > Satish
>
>


-- 
George Pau
Earth Sciences Division
Lawrence Berkeley National Laboratory
One Cyclotron, MS 74-120
Berkeley, CA 94720

(510) 486-7196
gpau at lbl.gov
http://esd.lbl.gov/about/staff/georgepau/
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