[petsc-users] Strange compiling error in DMPlexDistribute after updating PETSc to V3.11.0

[Matthew Knepley]

On Fri, Apr 5, 2019 at 4:44 PM Danyang Su via petsc-users <
petsc-users at mcs.anl.gov> wrote:

> Hi All,
>
> I got a strange error in calling DMPlexDistribute after updating PETSc
> to V3.11.0. There sounds no change in the interface of DMPlexDistribute
> as documented in
>
>
> https://www.mcs.anl.gov/petsc/petsc-3.10/docs/manualpages/DMPLEX/DMPlexDistribute.html#DMPlexDistribute
>
>
> https://www.mcs.anl.gov/petsc/petsc-3.11/docs/manualpages/DMPLEX/DMPlexDistribute.html#DMPlexDistribute
>
> The code section is shown below.
>
>        !c distribute mesh over processes
>        call
> DMPlexDistribute(dm,stencil_width,PETSC_NULL_SF,distributed_dm,ierr)
>
> When I use PETSc V3.10 and earlier versions, it works fine. After
> updating to latest PETSc V3.11.0, I got the following error during
> compiling
>
>        call
> DMPlexDistribute(dm,stencil_width,PETSC_NULL_SF,distributed_dm,ierr)
>                                                                       1
> Error: Non-variable expression in variable definition context (actual
> argument to INTENT = OUT/INOUT) at (1)
> /home/dsu/Soft/PETSc/petsc-3.11.0/linux-gnu-opt/lib/petsc/conf/petscrules:31:
>
> recipe for target '../../solver/solver_ddmethod.o' failed
>
> The fortran example
> /home/dsu/Soft/PETSc/petsc-3.11.0/src/dm/label/examples/tutorials/ex1f90.F90
>
> which also uses DMPlexDistribute can be compiled without problem. Is
> there any updates in the compiler flags I need to change?
>

What includes do you have? It looks like it does not understand
PETSC_NULL_SF.

  Thanks,

    Matt


> Thanks,
>
> Danyang
>
>
>

-- 
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

https://www.cse.buffalo.edu/~knepley/ <http://www.cse.buffalo.edu/~knepley/>
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