[petsc-dev] Configure problem on Titan

[Mark Adams]

Just checking, do I have something to try/do?
Mark

On Thu, Mar 12, 2015 at 5:59 AM, Jed Brown <jed at jedbrown.org> wrote:

> Barry Smith <bsmith at mcs.anl.gov> writes:
> > Anything is possible, if one based ./configure on "what could go wrong
> with it" then ./configure couldn't really do anything.
>
> When we talk about failure rates, we also have to include how expensive
> the failure mode is.  If the cost is that everything goes through and
> maybe even some examples seem to run correctly, but subtle things (like
> MatElemental) cause data corruption, it's going to be a really painful
> debugging session.  We won't be able to reproduce it locally because we
> link correctly.  Really expensive both in human time and in reputation
> (depending on the user).
>
> Is it still better for configure to guess instead of asking the user?
> Maybe, though I hate to say it.  The user might get -lstdc++ wrong as
> much or more than configure.
>
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