[petsc-users] error compiling on MPI_Win

[Matthew Knepley]

1) Make sure you have updated BuildSystem:

  cd $PETSC_DIR/config/BuildSystem
  hg pull -u

2) Reconfigure and rebuild

3) If its still broken, send configure.log to petsc-maint at mcs.anl.gov

   Matt

On Thu, Jul 5, 2012 at 3:02 PM, hbui <hgbk2008 at gmail.com> wrote:

> Hi
>
> When compiling a small petsc example, i got an error as such:
>
> ------------------------------**------------------------------**
> --------------------------
> In file included from /opt/petsc/petsc-dev/include/**petscis.h:8:0,
>                  from /opt/petsc/petsc-dev/include/**petscvec.h:9,
>                  from /opt/petsc/petsc-dev/include/**petscmat.h:6,
>                  from /opt/petsc/petsc-dev/include/**petscdm.h:6,
>                  from /opt/petsc/petsc-dev/include/**petscpc.h:6,
>                  from /opt/petsc/petsc-dev/include/**petscksp.h:6,
>                  from ../PETScSolver.h:14,
>                  from ../PETScSolver.cpp:8:
> /opt/petsc/petsc-dev/include/**petscsf.h:69:119: error: 'MPI_Win' has not
> been declared
> /opt/petsc/petsc-dev/include/**petscsf.h:70:80: error: 'MPI_Win' has not
> been declared
> /opt/petsc/petsc-dev/include/**petscsf.h:71:105: error: 'MPI_Win' has not
> been declared
> In file included from /opt/petsc/petsc-dev/include/**petscvec.h:482:0,
>                  from /opt/petsc/petsc-dev/include/**petscmat.h:6,
>                  from /opt/petsc/petsc-dev/include/**petscdm.h:6,
>                  from /opt/petsc/petsc-dev/include/**petscpc.h:6,
>                  from /opt/petsc/petsc-dev/include/**petscksp.h:6,
>                  from ../PETScSolver.h:14,
>                  from ../PETScSolver.cpp:8:
> /opt/petsc/petsc-dev/include/**petsc-private/vecimpl.h:498:3: error:
> 'MPI_Win' does not name a type
> ------------------------------**------------------------------**
> --------------------------
>
> I search over the mailing list and see a post which related to this error
> but i didn't quite understand the answer and the user has also discontinued
> the thread.
> http://lists.mcs.anl.gov/**pipermail/petsc-dev/2011-**November/006227.html<http://lists.mcs.anl.gov/pipermail/petsc-dev/2011-November/006227.html>
>
> I tried to trace back the definition of MPI_Win struct and see as below:
>
> #ifndef PETSC_HAVE_MPI_WIN_CREATE
> #define PETSC_HAVE_MPI_WIN_CREATE 1
> #endif
>
> #if !defined(PETSC_HAVE_MPI_WIN_**CREATE) /* The intent here is to be
> able to compile even without a complete MPI. */
> typedef struct MPI_Win_MISSING *MPI_Win;
> #endif
>
> For some reason the ./configure define PETSC_HAVE_MPI_WIN_CREATE and
> compiler skip the MPI_Win definition. However, i also don't know where the
> struct MPI_Win_MISSING is defined.
>
> Please advise the method to resolve this compilation error.
>
> My system is Ubuntu 12.04, Gcc 4.6.3.
>
> Regards,
> Giang Bui
>
>


-- 
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
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