[petsc-users] automatic determination of which libraries petsc wants

[Matthew Knepley]

On Thu, Jan 31, 2013 at 7:46 PM, Geoffrey Irving <irving at naml.us> wrote:

> On Thu, Jan 31, 2013 at 4:38 PM, Matthew Knepley <knepley at gmail.com>
> wrote:
> > On Thu, Jan 31, 2013 at 7:34 PM, Matthew Knepley <knepley at gmail.com>
> wrote:
> >>
> >> On Thu, Jan 31, 2013 at 7:25 PM, Geoffrey Irving <irving at naml.us>
> wrote:
> >>>
> >>> We have an scons build system linking against PETSc, and it would be
> >>> nice to have an automatic way of determining the list of libraries
> >>> that a statically linked, installed version of PETSc wants (e.g., the
> >>> MacPorts installed version).  What's a good way to do such a thing
> >>> from *outside* the PETSc build system?
> >>
> >>
> >> It depends on how much work you want to do. For at least two years I
> >> think,
> >> our default had been -lpetsc. I would just do this.
> >
> >
> > Satish is right, use 'make getlinklibs'.
> >
> > However, if you don't have to waste time on a life or family, you may
> want
> > to consider
> > getting the info straight from the configure. You can load up the Python
> > module from
> > from $PETSC_ARCH/conf/RDict.db and pull out all these things. There is an
> > example
> > in configVars.py.
>
> configVars.py errors out at "import script":
>
> > ./bin/configVars.py
> Traceback (most recent call last):
>   File "./bin/configVars.py", line 7, in <module>
>     import script
> ImportError: No module named script
>
> Indeed, I don't see any file named script.py anywhere underneath
> /optlocal/lib/petsc, nor any directory named exactly "config" as
> configVars seems to want.
>
> Bad macports, bad?


Requires config/BuildSystem in PYTHONPATH. This is what configure.py does
first.

   Matt


>
> Geoffrey
>



-- 
What most experimenters take for granted before they begin their
experiments is infinitely more interesting than any results to which their
experiments lead.
-- Norbert Wiener
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