[petsc-users] Configure error after upgrading GCC

[Amneet Bhalla]

That still caused the same problem.

But I have resolved the issue. I removed system mpich and built a local
version of openmpi. That made it work. It appears that apt-get install
mpich installs default GCC-5 headers even when I made GCC-7 the default
complier.

By the way, I built openmpi 4.0.0 and PETSc was not compatible with it:
some API errors occurred. So I installed openmpi 1.10 which I know works
with PETSc. Just want to confirm that it is indeed the case.

On Mon, Dec 10, 2018 at 6:12 AM Balay, Satish <balay at mcs.anl.gov> wrote:

> > Configure Options: --configModules=PETSc.Configure
> --optionsModule=config.compilerOptions --CC=mpicc --FC=mpif90
> --with-debugging=1 --download-hypre=1 --with-x=0 --PETSC_ARCH=linux-dbg
>
> If specifying compilers - also specify a C++ compiler.
>
> --CC=mpicc --FC=mpif90  --CXX=mpicxx
>
> Satish
>
>
> On Sun, 9 Dec 2018, Amneet Bhalla via petsc-users wrote:
>
> > Hi Folks,
> >
> > I upgraded GCC (GCC-5 to GCC-7) on Ubuntu following the first suggestion
> > given here:
> > https://gist.github.com/application2000/73fd6f4bf1be6600a2cf9f56315a2d91
> >
> > I then removed system mpich (which was using GCC-5) and reinstalled it
> > using Ubuntu package manager. However, now I am getting the following
> > configure error with PETSc
> >
> >
> ===============================================================================
> >
> > TESTING: CxxMPICheck from
> > config.packages.MPI(config/BuildSystem/config/packages/MPI.py:381)
> >
> >
> >
> *******************************************************************************
> >
> >          UNABLE to CONFIGURE with GIVEN OPTIONS    (see configure.log for
> > details):
> >
> >
> -------------------------------------------------------------------------------
> >
> > C++ error! mpi.h could not be located at: []
> >
> *******************************************************************************
> >
> >
> >
> > I am attaching the configure.log as well. Any hints on what I should be
> > doing?
> >
> > Thanks,
> >
>
>

-- 
--Amneet
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