On Aug 30, 2011, at 4:13 PM, Jed Brown wrote: > On Tue, Aug 30, 2011 at 16:11, Satish Balay <balay at mcs.anl.gov> wrote: > ./$PETSC_ARCH/conf/reconfigure_$PETSC_ARCH.py --cleanbuild > > Or make it default and require --dangerous-update for lazy developers. Better: if username is in ['barry','matt'] or require the special PETSc password.