[petsc-users] Reg :PETSc Build error with mpi option

[Barry Smith]

   As the message says: --download-mpich doesn't work under windows. You first need to install MPICH then use that installed version with PETSc. Note that --with-mpich is not a valid option; the option is --with-mpi-dir=/pathtowhereyouinstalledMPI


> On May 26, 2015, at 6:42 AM, Manish Kumar K <Manishkumar.K at LntTechservices.com> wrote:
> 
> Hi PETSc Team,
>  
>                   Greetings of the day!
>  
> I am facing error while building building PETSc using mpich option
>  
> Please let me know where am I going wrong .
>  
>  
> 20063086 at BLRMIESPC-745 /package/petsc-3.5.3
>  
> $ ./configure --with-cc=gcc --with-cxx=g++ --download-mpich="D:/Software/cygwin/package/extpack/mpich-3.1.4" --download-fblaslapack="D:/Software/cygwin/package/                                            extpack/fblaslapack.tar.gz" --with-batch
> ===============================================================================
>              Configuring PETSc to compile on your system
> ===============================================================================
>       Running configure on MPICH; this may take several minutes                                                    
>    ===============================================================================                                                                                                                                                                         *******************************************************************************
>          UNABLE to CONFIGURE with GIVEN OPTIONS    (see configure.log for details):
> -------------------------------------------------------------------------------
> Error running configure on MPICH.
>    On Microsoft Windows systems, please obtain and install the binary distribution from
>      http://www.mcs.anl.gov/mpi/mpich/mpich-nt
>    then rerun configure.
>    If you choose to install MPICH to a location other than the default, use
>      --with-mpi-dir=<directory>
>    to specify the location of the installation when you rerun configure.
> *******************************************************************************
>  
>  
> The following command also gives me same error
>  
> $ ./configure --with-cc=gcc --with-cxx=g++ --with-mpich=/cygdrive/D/Software/cygwin/package/extpack/mpich-3.1.4.tar.gz  --with-fblaslapack=/cygdrive/D/Software/cygwin/package/                                            extpack/fblaslapack.tar.gz --with-batch
>  
> Help me out rectifying my build issue.
>  
>  
> Thanks & Regards
> Manish K
>  
>  
> L&T Technology Services Ltd
> 
> www.LntTechservices.com
> 
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