[petsc-dev] [petsc-maint] Updating PETSc to support Elemental 0.80

[Satish Balay]

On Sun, 16 Jun 2013, Jack Poulson wrote:

> On Sun, Jun 16, 2013 at 1:24 PM, Jed Brown <jedbrown at mcs.anl.gov> wrote:
> 
> > Jack Poulson <jack.poulson at gmail.com> writes:
> >
> > >
> > > What is going on with the parmetis CMakeLists.txt?
> > >
> > https://bitbucket.org/petsc/pkg-parmetis/src/1c1a9fd0f408dc4d42c57f5c3ee6ace411eb222b/CMakeLists.txt?at=master
> > >
> > > It seems to be completely broken. If so, shouldn't it be removed?
> >
> > I think CMakeLists.txt was mainly set up for use by
> > $PETSC_DIR/config/PETSc/packages/parmetis.py, but the modifications seem
> > to have mainly been to use METIS and GKlib without the hack of
> > symlinking in the build directory.
> >
> > > Am I supposed to be separately checking out pkg-metis if I want to use
> > > pkg-parmetis?
> >
> > No, but it expects METIS to be built (and specified using METIS_PATH; it
> > looks like a bug in parmetis.py that it can link the wrong libmetis.so).
> >
> > > Should we be having this discussion on petsc-dev instead?
> >
> > Yes, moving the thread and Cc'ing people who may be interested.
> >
> 
> I have been experimenting with having Clique checkout both pkg-metis and
> pkg-parmetis as part of its build system and it seems that a few things
> need to be added to the parmetis CMakeLists.txt for it to function
> correctly (please correct me if I am missing something!).
> 
> The two main problems are the inclusion of gklib_tls.h and gklib_defs.h,
> where the former is generated by the metis build system, usually in
> metis/include in the installation directory, and the latter is is in
> metis/libmetis/ in the source directory. While setting METIS_PATH to the
> metis installation directory would pick up gklib_tls.h since
> ${METIS_PATH}/include is added to the include directories of the parmetis
> CMakeLists.txt, I do not see any corresponding include_directories
> statement for the libmetis directory containing gklib_defs.h. 

Its also installed in CMAKE_INSTALL_PREFIX/include?

https://bitbucket.org/petsc/pkg-metis/commits/7352fdb4f3027f2330d69896c938fc4996f66461

Satish


> Furthermore,
> I'm not sure if a sufficient number of headers are installed by metis for
> the parmetis build to succeed if METIS_ROOT is set to the installation
> directory (but I could be wrong).
> 
> Jack
>