[petsc-dev] [Suggestion] Configure QOL Improvements

Matthew Knepley knepley at gmail.com
Wed Oct 23 13:35:50 CDT 2019

On Wed, Oct 23, 2019 at 2:27 PM Jed Brown <jed at jedbrown.org> wrote:

> Matthew Knepley via petsc-dev <petsc-dev at mcs.anl.gov> writes:
> > On Wed, Oct 23, 2019 at 11:24 AM Faibussowitsch, Jacob via petsc-dev <
> > petsc-dev at mcs.anl.gov> wrote:
> >> As I am largely unfamiliar with the internals of the configure process,
> >> this is potentially more of an involved change than I am imagining,
> given
> >> that many libraries likely have many small dependencies and hooks which
> >> have to be set throughout the configuration process, and so its possible
> >> not everything could be skipped.
> >>
> >
> > We had this many years ago. It was removed because the benefits did not
> > outweigh the costs.
> I don't know if it's still the case, but it should be possible to run
> non-interactively (like apt-get -y).  My bigger complaint is that
> missing dependencies aren't resolved in the first couple seconds.

How do you know that you actually have something until you actually run the
tests? This is the classic
misconception of pkg-config, "I'll just believe the user", which generated
99% of user mail over the first
20 years of PETSc.


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

https://www.cse.buffalo.edu/~knepley/ <http://www.cse.buffalo.edu/~knepley/>
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