You can run "mpicc --showme" to see the exact underlying compiler/ linker command that is used (or, better yet, "mpicc foo.c -o foo -- showme"). This will include the -L path to where the Open MPI libraries are installed.

On Sep 25, 2008, at 4:13 PM, Shafagh Jafer wrote:

I have multiple MPIs so I want to know which -lmpi is picked up by the openmpi wrapper compilres? How can I find out the source path of libmpi.so ??

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Jeff Squyres
Cisco Systems

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