[petsc-dev] broken builds

[Jed Brown]

On Tue, Aug 30, 2011 at 14:24, Barry Smith <bsmith at mcs.anl.gov> wrote:

> The Satish way (which is always the correct way) is to do rm -rf
> ${PETSC_ARCH} and then run ./configure again.


Yes, but the run-time of this operation is 2^{1 + millions of dollars paid
for machine} minutes so it clearly won't work at the exascale. You're going
to be left in the past if you keep thinking like that.


More seriously, rm -rf ${PETSC_ARCH} is horrible because you lose
reconfigure-$PETSC_ARCH.py if you don't relocate it first.
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