[petsc-dev] SuperLU link error on BGP FEN

[Matthew Knepley]

On Thu, Dec 2, 2010 at 2:07 PM, Jed Brown <jed at 59a2.org> wrote:

> On Thu, Dec 2, 2010 at 21:00, Matthew Knepley <knepley at gmail.com> wrote:
>
>> The configure.log is moved to $PETSC_DIR/$PETSC_ARCH/conf/ so that
>> multiple builds do not overwrite it.
>>
>
> Matt, I think a better way to do this is to write the file itself to the
> subdirectory and then symlink it from $PETSC_DIR (the best way would be when
> configure.py exits, even if via an exception).  The point is to make
> manipulation of $PETSC_DIR/configure.log atomic since multiple configure
> processes may be running at once (note that configure often takes
> significantly more time than compilation since the latter is parallel).
>

The problem with this is that we automatically determine PETSC_ARCH in the
course of configure, well
after we start logging. We do symlink it at the end.

   Matt


> Jed
>
-- 
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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