[petsc-users] petsc4py installation error with PETSc v 3.6.1

[Satish Balay]

On Sat, 25 Jul 2015, Justin Chang wrote:

> I am working on 5 different machines and didn't keep good track of which
> machines had which petsc versions. The machine in question did not have the
> latest petsc 3.6.1 which was causing the problems. Rebuilding from
> petsc-dev did the trick, thanks for the help guys.

BTW: 'master' is development version - not 3.6.1 [which is a release version corresponding to 'maint' branch]

> Justin
> 
> PS - Every time I do a git pull of the latest petsc4py, i always have to
> apply Satish's patch in order to avoid the issue originally posted. Is
> there a way to update petsc4py master such that it conforms to the
> latest PetscSectionCreateGlobalSection()
> format?

latest petsc4py 'master' branch has this fix - so you shouldn't need
to apply the patch manually anymore.

Satish


> 
> On Sat, Jul 25, 2015 at 4:44 AM, Lisandro Dalcin <dalcinl at gmail.com> wrote:
> 
> > On 25 July 2015 at 00:12, Justin Chang <jychang48 at gmail.com> wrote:
> > > ImportError:
> > >
> > /usr/local/lib/python2.7/dist-packages/petsc4py/lib/arch-linux2-c-opt/PETSc.so:
> > > undefined symbol: DMShellSetCreateSubDM
> > > make: *** [unit_sequential] Error 1
> >
> >
> > You need to git pull in branch master of petsc-dev and rebuild.
> >
> >
> > --
> > Lisandro Dalcin
> > ============
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> >
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>