[petsc-dev] Could generatefortranstubs.py be lazier about modification times?

Satish Balay balay at mcs.anl.gov
Tue Oct 5 11:27:43 CDT 2010


On Tue, 5 Oct 2010, Jed Brown wrote:

> On Tue, Oct 5, 2010 at 17:14, Matthew Knepley <knepley at gmail.com> wrote:
> > Okay, this is really crap. Make that POS use a better predicate than
> > "modified", like "checksum changed".
> > This is what builder does ;)
> 
> That is what SCons does too, it's the slowest build system ever.  If
> you have to read the contents of a file to determine whether it is
> current, then incremental rebuilds take a long time and dispatch of
> parallel jobs is slow.

I think checksum should be an option - not default
[filesize/mod-time can default - just like rsync]

Satish



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