[petsc-dev] [Suggestion] Configure QOL Improvements

[Matthew Knepley]

On Wed, Oct 23, 2019 at 5:08 PM Faibussowitsch, Jacob <
jfaibussowitsch at anl.gov> wrote:

> I think Jed is referring to the fact that configure appears to do all of
> these checks after doing the compiler,
>

How would you verify that Z works without the compiler? Again, this whole
discussion is not listening.

  Matt


> MPI, MathEnv, etc which take a long time. The change would be to check
> missing external library dependencies before even doing the compiler
> checks.
>
> Best,
>
> Jacob
>
> On Oct 23, 2019, at 4:03 PM, Matthew Knepley <knepley at gmail.com> wrote:
>
> On Wed, Oct 23, 2019 at 4:59 PM Jed Brown <jed at jedbrown.org> wrote:
>
>> Matthew Knepley <knepley at gmail.com> writes:
>>
>> > That is an unreliable check for Z. You would not eliminate the case
>> > where you give --with-Z, but the check fails, so Z is not available,
>> > but you do not find out until checking X or Y.
>>
>> You can verify that Z works in a fraction of a second, but building X
>> may take minutes.  Work bottom up, verify everything that is given
>> before building anything.
>>
>
> That is exactly what we do now. What are you talking about?
>
>   Matt
>
> --
> 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/>
>
>
>

-- 
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/>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.mcs.anl.gov/pipermail/petsc-dev/attachments/20191023/76211555/attachment.html>