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Subject: Re: [OMPI users] unresolvable R_X86_64_64 relocation against symbol `mpi_fortran_*
From: Jeff Squyres (jsquyres_at_[hidden])
Date: 2011-09-24 07:57:44


Can you compile / link simple OMPI applications without this problem?

On Sep 24, 2011, at 7:54 AM, Dmitry N. Mikushin wrote:

> Hi Jeff,
>
> Today I've verified this application on the Feroda 15 x86_64, where
> I'm usually building OpenMPI from source using the same method.
> Result: no link errors there! So, the issue is likely ubuntu-specific.
>
> Target application is compiled linked with mpif90 pointing to
> /opt/openmpi_gcc-1.5.4/bin/mpif90 I built.
>
> Regarding architectures, everything in target folders and OpenMPI
> installation is
> ELF 64-bit LSB shared object, x86-64, version 1 (SYSV), dynamically
> linked, not stripped
>
> - D.
>
> 2011/9/24 Jeff Squyres <jsquyres_at_[hidden]>:
>> How does the target application compile / link itself?
>>
>> Try running "file" on the Open MPI libraries and/or your target application .o files to see what their bitness is, etc.
>>
>>
>> On Sep 22, 2011, at 3:15 PM, Dmitry N. Mikushin wrote:
>>
>>> Hi Jeff,
>>>
>>> You're right because I also tried 1.4.3, and it's the same issue
>>> there. But what could be wrong? I'm using the simplest form -
>>> ../configure --prefix=/opt/openmpi_gcc-1.4.3/ and only installed
>>> compilers are system-default gcc and gfortran 4.6.1. Distro is ubuntu
>>> 11.10. There is no any mpi installed from packages, and no -m32
>>> options around. What else could be the source?
>>>
>>> Thanks,
>>> - D.
>>>
>>> 2011/9/22 Jeff Squyres <jsquyres_at_[hidden]>:
>>>> This usually means that you're mixing compiler/linker flags somehow (e.g., built something with 32 bit, built something else with 64 bit, try to link them together).
>>>>
>>>> Can you verify that everything was built with all the same 32/64?
>>>>
>>>>
>>>> On Sep 22, 2011, at 1:21 PM, Dmitry N. Mikushin wrote:
>>>>
>>>>> Hi,
>>>>>
>>>>> OpenMPI 1.5.4 compiled with gcc 4.6.1 and linked with target app gives
>>>>> a load of linker messages like this one:
>>>>>
>>>>> /usr/bin/ld: ../../lib/libutil.a(parallel_utilities.o)(.debug_info+0x529d):
>>>>> unresolvable R_X86_64_64 relocation against symbol
>>>>> `mpi_fortran_argv_null_
>>>>>
>>>>> There are a lot of similar messages about other mpi_fortran_ symbols.
>>>>> Is it a known issue?
>>>>>
>>>>> Thanks,
>>>>> - D.
>>>>> _______________________________________________
>>>>> users mailing list
>>>>> users_at_[hidden]
>>>>> http://www.open-mpi.org/mailman/listinfo.cgi/users
>>>>
>>>>
>>>> --
>>>> Jeff Squyres
>>>> jsquyres_at_[hidden]
>>>> For corporate legal information go to:
>>>> http://www.cisco.com/web/about/doing_business/legal/cri/
>>>>
>>>>
>>>> _______________________________________________
>>>> users mailing list
>>>> users_at_[hidden]
>>>> http://www.open-mpi.org/mailman/listinfo.cgi/users
>>>>
>>> _______________________________________________
>>> users mailing list
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>>> http://www.open-mpi.org/mailman/listinfo.cgi/users
>>
>>
>> --
>> Jeff Squyres
>> jsquyres_at_[hidden]
>> For corporate legal information go to:
>> http://www.cisco.com/web/about/doing_business/legal/cri/
>>
>>
>> _______________________________________________
>> users mailing list
>> users_at_[hidden]
>> http://www.open-mpi.org/mailman/listinfo.cgi/users
>>
> _______________________________________________
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-- 
Jeff Squyres
jsquyres_at_[hidden]
For corporate legal information go to:
http://www.cisco.com/web/about/doing_business/legal/cri/