[mpich-discuss] lnk 2019 error, hellow world on windows 7 (64bit), VS2008

[Ryan Price]

Thanks for your reply Jayesh.

I had the 64bit version of MPICH2 installed but do not have the 64bit
components enabled in VS. So I decided to try uninstalling the 64bit version
of MPICH2 and installed the 32bit version.

I tried running my helloworld program again and am no longer getting the
linker error I was previously :)  Unfortunately I know get another error :(

Error while connecting to host, No connection could be made because the
target machine actively refused it. (10061)
Connect on sock (host=my.host.name, port=8678) failed, exhaused all end
points
Unable to connect to 'my.host.name:8678',
sock error: Error = -1

Maybe I didn't configure something correctly during setup. I would have
thought this was due to the firewall but I did make sure that mpiexec and
smpd are not blocked by windows firewall.  Maybe I just need to bite the
bullet and reinstall VS with 64bit components enabled and reinstall the
64bit version of MPICH2.

On Mon, May 2, 2011 at 8:19 AM, Jayesh Krishna <jayesh at mcs.anl.gov> wrote:

> Hi,
>
> # Make sure that you installed the 64-bit version of MPICH2.
> # Make sure that you select the "solution platform" in VS to be "x64"
> (Usually the default one is "Win32" . There should be a drop-down box on the
> top of the VS interface that allows you to select the "solution platform" -
> You might have to select "Configuration Manager" and create a new "Active
> Solution platform". You might find more help in the VS help docs.)
> # Make sure that the paths specified to MPICH2 libs are correct.
>
> -Jayesh
>
> ----- Original Message -----
> From: "Ryan Price" <ryprice00 at gmail.com>
> To: mpich-discuss at mcs.anl.gov
> Sent: Sunday, May 1, 2011 6:08:14 PM
> Subject: [mpich-discuss] lnk 2019 error, hellow world on windows 7 (64bit),
>     VS2008
>
>
>
> Hi,
>
> I'm just trying to get a mpi hello world program up and running and can't
> seem to get it to build properly. I'm on windows7 using VS2008.
>
> I get this error:
> 1>myprog.obj : error LNK2019: unresolved external symbol _MPI_Finalize
> referenced in function _main
> 1>myprog.obj : error LNK2019: unresolved external symbol _MPI_Comm_size
> referenced in function _main
> 1>myprog.obj : error LNK2019: unresolved external symbol _MPI_Comm_rank
> referenced in function _main
> 1>myprog.obj : error LNK2019: unresolved external symbol _MPI_Init
> referenced in function _main
> 1>E:\Visual Studio 2008\Projects\myprog\Debug\myprog.exe : fatal error
> LNK1120: 4 unresolved externals
>
> I've seen many posts with similar problems but unfortunately I haven't been
> able to solve the issue on my own. It looks like it's not seeing where my
> compiled mpi libs are but I have specified the MPICH2 libraries as
> "Additional dependencies" for the linker (set the path of MPICH2 libraries
> in "Additional library directories" and added mpi.lib as "Additional
> dependencies"). I have tried compiling with both VC++ and IntelC++, both of
> which have the directories for the include files and library files set under
> tools->options as well.
>
> Not sure what else to try. Any help is greatly appreciated.
>
> Thanks,
>
> Ryan
> _______________________________________________
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> mpich-discuss at mcs.anl.gov
> https://lists.mcs.anl.gov/mailman/listinfo/mpich-discuss
>
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