Thanks for the tip, but I got everything working as it should with
gfortan 4.2 using the compile flags that Brian Barrett suggested. Is
there any other reason for me to do the extra work to update to 4.3?
Thank you,
Aaron Thompson
Vanderbilt University
aaron.p.thompson_at_[hidden]
On Jun 11, 2007, at 2:00 PM, Gregory Orris wrote:
> Aaron
> May I suggest loading gfortran 4.3.
> It seems to work fine on the intel's.
> Haven't tried it on my old G5.
>
> for the record, mpich is scripted. lam is a compiled binary.
>
> Regards,
> Greg
>
> On Jun 11, 2007, at 10:38, Aaron Thompson wrote:
>
>> I just looked at mpif77 using vi. Call me crazy, but it definitely
>> seems like a binary executable to me (lots of ^@^G^@^@^@^E^@^@^@).
>> Is there some LAM build configure option where you can compile it as
>> a shell script as opposed to a binary?
>>
>> Thank you,
>>
>> Aaron Thompson
>> Vanderbilt University
>> aaron.p.thompson_at_[hidden]
>>
>>
>>
>> On Jun 11, 2007, at 8:47 AM, Konrad Karczewski wrote:
>>
>>> Hi,
>>>
>>> The mpif77 is a script - you can edit it manually without any
>>> problem.
>>>
>>> HtH
>>> Konrad Karczewski
>>>
>>> On Sun, 10 Jun 2007, Aaron Thompson wrote:
>>>
>>>> I fixed the problem! Looks like there's some sort of bug in gcc
>>>> 4.2.0 on Mac OS X 10.4 when using -force_flat_namespace. For those
>>>> searching the list with the same problem, see here: http://
>>>> gcc.gnu.org/ml/gcc-bugs/2006-05/msg00273.html
>>>> Instead of using mpif77, I ran gfortran without the linker and
>>>> excluded -force_flat_namespace manually. Is there any way I can
>>>> change the arguments that mpif77 uses without recompiling?
>>>>
>>>> Thanks,
>>>>
>>>> Aaron Thompson
>>>> Vanderbilt University
>>>> aaron.p.thompson_at_[hidden]
>>>>
>>>>
>>>>
>>>> On Jun 9, 2007, at 11:38 PM, Aaron Thompson wrote:
>>>>
>>>>> Greg,
>>>>> I tried using those flags, but I got the same error. If this
>>>>> helps,
>>>>> here's my output from mpif77 -showme:
>>>>>
>>>>> /usr/local/bin/gfortran -I/usr/local/lammpi/include -Wl,-u -
>>>>> Wl,_lam_darwin_malloc_linker_hack -Wl,-multiply_defined,suppress -
>>>>> Wl,-
>>>>> force_flat_namespace -Wl,-flat_namespace -Wl,-multiply_defined -
>>>>> Wl,suppress -L/usr/local/lammpi/lib -llammpio -llamf77mpi -lmpi -
>>>>> llam
>>>>> -ldl
>>>>>
>>>>> Any ideas?
>>>>>
>>>>> Thank you!
>>>>>
>>>>> Aaron Thompson
>>>>> Vanderbilt University
>>>>> aaron.p.thompson_at_[hidden]
>>>>>
>>>>>
>>>>>
>>>>> On Jun 9, 2007, at 9:41 PM, Gregory J. Orris wrote:
>>>>>
>>>>>> Aaron,
>>>>>>
>>>>>> If you are using it in 64-bit mode you'll need to do a bit more
>>>>>> work.
>>>>>> But it looks like you're using it in 32, so...
>>>>>> Try
>>>>>> LDFLAGS = "-Wl,-multiply_defined -Wl,suppress"
>>>>>>
>>>>>> Regards,
>>>>>> Greg
>>>>>>
>>>>>> On Jun 9, 2007, at 2:37 PM, Aaron Thompson wrote:
>>>>>>
>>>>>>> Hi,
>>>>>>> I've got LAM-MPI compiled and running, and C programs compile
>>>>>>> and
>>>>>>> run great. However, I'm trying to compile a Fortran-based
>>>>>>> program
>>>>>>> and I'm getting a linking error about "multiple definitions of
>>>>>>> symbol
>>>>>>> _atexit". Could this be due to some linker flags I set wrong?
>>>>>>> Here
>>>>>>> are my linker flags:
>>>>>>>
>>>>>>> LD="/usr/local/lammpi/bin/mpif77 -o" \
>>>>>>> LDFLAGS="-O2 -ffast-math --allow-multiple-definition" \
>>>>>>>
>>>>>>>
>>>>>>> Here's the exact error I'm getting:
>>>>>>>
>>>>>>> /usr/local/lammpi/bin/mpif77 -o DLPOLY.X setup_module.o .......
>>>>>>> /usr/bin/ld: multiple definitions of symbol _atexit
>>>>>>> /usr/local/lib/gcc/powerpc-apple-darwin8.6.0/4.2.0/crt3.o
>>>>>>> private
>>>>>>> external definition of _atexit in section (__TEXT,__text)
>>>>>>> /usr/lib/libdl.dylib(atexit.So) definition of _atexit
>>>>>>> /usr/bin/ld: multiple definitions of symbol ___cxa_atexit
>>>>>>> /usr/local/lib/gcc/powerpc-apple-darwin8.6.0/4.2.0/crt3.o
>>>>>>> private
>>>>>>> external definition of ___cxa_atexit in section (__TEXT,__text)
>>>>>>> /usr/lib/libdl.dylib(atexit.So) definition of ___cxa_atexit
>>>>>>> collect2: ld returned 1 exit status
>>>>>>>
>>>>>>> Thank you!
>>>>>>>
>>>>>>> Aaron Thompson
>>>>>>> Vanderbilt University
>>>>>>> aaron.p.thompson_at_[hidden]
>>>>>>>
>>>>>>>
>>>>>>> _______________________________________________
>>>>>>> This list is archived at http://www.lam-mpi.org/MailArchives/
>>>>>>> lam/
>>>>>>>
>>>>>>
>>>>>> _______________________________________________
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>>>>>
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