Check the output from when you ran Open MPI's configure and "make all" -- did 
it decide to build the F77 interface?

Also check that gcc and gfortran output .o files of the same bitness / type.


On Sep 24, 2011, at 8:07 AM, Dmitry N. Mikushin wrote:

> Compile and link - yes, but it turns out there was some unnoticed
> compilation error because
> 
> ./hellompi: error while loading shared libraries: libmpi_f77.so.1:
> cannot open shared object file: No such file or directory
> 
> and this library does not exist.
> 
> Hm.
> 
> 2011/9/24 Jeff Squyres <jsquy...@cisco.com>:
>> 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 <jsquy...@cisco.com>:
>>>> 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 <jsquy...@cisco.com>:
>>>>>> 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
>>>>>>> us...@open-mpi.org
>>>>>>> http://www.open-mpi.org/mailman/listinfo.cgi/users
>>>>>> 
>>>>>> 
>>>>>> --
>>>>>> Jeff Squyres
>>>>>> jsquy...@cisco.com
>>>>>> For corporate legal information go to:
>>>>>> http://www.cisco.com/web/about/doing_business/legal/cri/
>>>>>> 
>>>>>> 
>>>>>> _______________________________________________
>>>>>> users mailing list
>>>>>> us...@open-mpi.org
>>>>>> http://www.open-mpi.org/mailman/listinfo.cgi/users
>>>>>> 
>>>>> _______________________________________________
>>>>> users mailing list
>>>>> us...@open-mpi.org
>>>>> http://www.open-mpi.org/mailman/listinfo.cgi/users
>>>> 
>>>> 
>>>> --
>>>> Jeff Squyres
>>>> jsquy...@cisco.com
>>>> For corporate legal information go to:
>>>> http://www.cisco.com/web/about/doing_business/legal/cri/
>>>> 
>>>> 
>>>> _______________________________________________
>>>> users mailing list
>>>> us...@open-mpi.org
>>>> http://www.open-mpi.org/mailman/listinfo.cgi/users
>>>> 
>>> _______________________________________________
>>> users mailing list
>>> us...@open-mpi.org
>>> http://www.open-mpi.org/mailman/listinfo.cgi/users
>> 
>> 
>> --
>> Jeff Squyres
>> jsquy...@cisco.com
>> For corporate legal information go to:
>> http://www.cisco.com/web/about/doing_business/legal/cri/
>> 
>> 
>> _______________________________________________
>> users mailing list
>> us...@open-mpi.org
>> http://www.open-mpi.org/mailman/listinfo.cgi/users
>> 
> _______________________________________________
> users mailing list
> us...@open-mpi.org
> http://www.open-mpi.org/mailman/listinfo.cgi/users


-- 
Jeff Squyres
jsquy...@cisco.com
For corporate legal information go to:
http://www.cisco.com/web/about/doing_business/legal/cri/


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