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Thanks for the response. Reviewing my builds, I realized that for
1.4.2, I had configured using
per Ralph Castain's suggestion. That file includes both:
Here is my *real* issue. I am trying to test Voltaire's Fabric
Collective Accelerator, which extends mca_component_path, and
adds a few additional .so files. It appears I must have
enable_dlopen=yes for this to work, which makes sense.
I assume that the shared/static settings above result in
*both* .a and .so versions of the ompi libraries getting
built. I'm not sure if this will affect my ability to
use Voltaire's mca plugins, but I have determined that
simply removing the enable_dlopen=no is not sufficient
to restore all the ompi .so files. I assume (haven't
tried it yet) that removing the enable_static=yes will
result in the ompi .so files getting created.
I guess I'm just looking for some guidance in the use
of the above options. I have read many warnings on
the ompi website about trying to link statically.
On 10/5/10 7:17 AM, Jeff Squyres wrote:
> It is more than likely that you compiled Open MPI with --enable-static and/or --disable-dlopen. In this case, all of Open MPI's plugins are slurped up into the libraries themselves (e.g., libmpi.so or libmpi.a). That's why everything continues to work properly.
> On Oct 4, 2010, at 6:58 PM, David Turner wrote:
>> In Open MPI 1.4.1, the directory lib/openmpi contains about 130
>> entries, including such things as mca_btl_openib.so. In my
>> build of Open MPI 1.4.2, lib/openmpi contains exactly three
>> libompi_dbg_msgq.a libompi_dbg_msgq.la libompi_dbg_msgq.so
>> I have searched my 1.4.2 installation for mca_btl_openib.so,
>> to no avail. And yet, 1.4.2 seems to work "fine". Is my
>> installation broken, or is the organization significantly
>> different between the two versions? A quick scan of the
>> release notes didn't help.
>> Best regards,
>> David Turner
>> User Services Group email: dpturner_at_[hidden]
>> NERSC Division phone: (510) 486-4027
>> Lawrence Berkeley Lab fax: (510) 486-4316
>> users mailing list
User Services Group email: dpturner_at_[hidden]
NERSC Division phone: (510) 486-4027
Lawrence Berkeley Lab fax: (510) 486-4316