Joe,
I'm not too familiar with Fortran, I'm only compiling a program from
source (DLPOLY). Could you tell me what compiler flags I could try
or where I could look? I didn't see anything too likely in the xlf
manual.
Thank you,
Aaron Thompson
Vanderbilt University
aaron.p.thompson_at_[hidden]
On Jul 9, 2007, at 3:07 PM, lam-request_at_[hidden] wrote:
> Aaron,
>
> Instead of trying to correct it with LDFLAGS at load time, Can you
> use compiler
> options for your code to match the MPI entry points?
>
> Joe
>
>
> From: lam-bounces_at_[hidden] [mailto:lam-bounces_at_[hidden]] On
> Behalf Of Aaron Thompson
> Sent: Monday, July 09, 2007 11:43 AM
> To: General LAM/MPI mailing list
> Subject: Re: LAM: Undefined MPI symbols linker error with XLF
>
> Underscores could be the issue. My program is calling MPI
> functions in all caps with no underscoring, e.g. MPI_SEND . I
> tried adding -fno_underscoring to my LDFLAGS, but that didn't
> help. Are there any other flags can I try using?
>
> Thank you,
>
> Aaron Thompson
> Vanderbilt University
> aaron.p.thompson_at_[hidden]
>
>
>> Could your problem be Case or leading or trailing underscores?
>>
>> Some code has:
>>
>> MPI_Send
>> mpi_send
>> mpi_send_
>> _mpi_send_
>>
>> The code and MPI libs need to have the same Case and underscore
>> policy.
>>
>> Regards,
>> joe Griffin
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