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Subject: Re: [OMPI devel] Building Error
From: Ralph Castain (rhc_at_[hidden])
Date: 2011-08-15 20:43:34


FWIW: I build OMPI on Mac OS-X (Snow Leopard) every day, without adding any extra flags, without problem. The citation below relates to something from a long time ago, I believe - haven't seen that problem in quite some time.

I do not, however, use PGI. We regularly have problems with PGI on a variety of systems, and I suspect you are hitting one here - but can't confirm it as we don't have PGI licenses to use for testing.

The Xgrid support is broken, but has nothing to do with the problem you describe. Just means you can't launch via Xgrid.

On Aug 15, 2011, at 2:53 PM, Larry Baker wrote:

> Matthew,
>
> I have the same type of error on a completely different software package on Mac OS X. The error occurs because of the way that Mac OS X searches for -lutil. If the libutil.a ORTE needs is theirs, i.e., not the system libutil.dylib, then you have exactly the same problem I did.
>
> Here are my notes for the fix using gcc. You will have to find out the equivalent method to pass the -search_paths_first linker option using pgcc.
>
>> # Mac OS X searches for shared libraries before static libraries. Thus, -L<ours> -lutil finds the system libutil.dylib
>> # before our libutil.a, which causes undefined references in the link step because it is using the wrong library. The
>> # ld -search_paths_first option forces ld to search each directory first for a matching library, instead of all directories
>> # first for a shared library.
>> # Note: this is the form to pass -search_paths_first to ld when $(CC) is the linker command in makefile.ux
>> export LDFLAGS=-Wl,-search_paths_first
>
> Larry Baker
> US Geological Survey
> 650-329-5608
> baker_at_[hidden]
>
> On 15 Aug 2011, at 1:01 PM, Matthew Russell wrote:
>
>>
>>
>> I hope this problem merits being posted here.
>>
>> On OS X (Snow Leopard, and Lion), I cannot seem to build Open MPI.
>>
>> After a lot of building, I get the error:
>>
>> /bin/sh ../../../libtool --tag=CC --mode=link /opt/pgi/osx86-64/10.9/bin/pgcc -DNDEBUG -O2 -Msignextend -V -export-dynamic -o orte-clean orte-clean.o ../../../orte/libopen-rte.la-lutil
>> libtool: link: /opt/pgi/osx86-64/10.9/bin/pgcc -DNDEBUG -O2 -Msignextend -V -o orte-clean orte-clean.o ../../../orte/.libs/libopen-rte.a /Users/matt/software/openmpi/openmpi-1.4.3/opal/.libs/libopen-pal.a -lutil
>> Undefined symbols for architecture x86_64:
>> "_orte_odls", referenced from:
>> _orte_errmgr_base_error_abort in libopen-rte.a(errmgr_base_fns.o)
>> ld: symbol(s) not found for architecture x86_64
>>
>> This is with the PGI 10.9 compiler, OpenMPI 1.4.3, platform is 86x64
>>
>> The README does not list PGI as a compiler that OpenMPI was tested with, and there are notes about it's support for XGrid being broken (I'm not sure if this is related.)
>>
>> I seem to get the error regardless of which configure flags I'm using, just for completeness though, here are the flags I am using:
>> ./configure --prefix=/usr/local/openmpi_pg --enable-mpi-f77 --enable-mpi-f90 --with-memory-manager=none
>>
>> Has anyone else got or fixed this error?
>>
>> I looked at other postings in this list, such as http://www.open-mpi.org/community/lists/devel/2007/05/1590.php , but they didn't help much.
>>
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>
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