Re: [Libmesh-users] libmpi.so and libmpi_mt.so

[John P. <jwp...@gm...>]

On Monday, December 3, 2012, Jim Fonseca wrote:

> Hi,
> When I build my code I'm getting a linking problem because my code as well
> as other libraries are using the thread safe libmpi_mt.so library, but
> libmesh is building with libmpi.so
> What's the best approach to fixing this?



Hmm... Are you using mpicxx Et al to compile libmesh?  What does mpicxx
-show say?  We are basically going to link against whatever it links to.



>  MPI is installed on our cluster so
> I don't have direct access to that. I see in the libmesh configuration
> where it's looking for libmpi.so, but I'm not sure if trying to tell
> libmesh to use libmpi_mt is a good idea. I was thinking of trying to try
> configure's LIBS but I feel like that wouldn't work.
>
> ld: MPIR_Thread: TLS definition in /apps/rhel5/intel/impi/
> 4.1.0.024/intel64/lib/libmpi_mt.so.4<
> http://4.1.0.20/intel64/lib/libmpi_mt.so.4>
> section
> .tbss mismatches non-TLS definition in /apps/rhel5/intel/impi/
> 4.1.0.024/intel64/lib/libmpi.so <http://4.1.0.20/intel64/lib/libmpi.so>
> section
> .bss
> /apps/rhel5/intel/impi/4.1.0.024/intel64/lib/libmpi_mt.so.4<
> http://4.1.0.20/intel64/lib/libmpi_mt.so.4>:
> could not read symbols: Bad value
>
> Thanks,
> Jim
>
> --
> Jim Fonseca, PhD
> Research Scientist
> Network for Computational Nanotechnology
> Purdue University
> 765-496-6495
> www.jimfonseca.com
>
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-- 
John