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Subject: Re: [OMPI users] What's wrong with this code?
From: Tim Prince (n8tm_at_[hidden])
Date: 2011-02-23 09:48:20

On 2/23/2011 6:41 AM, Prentice Bisbal wrote:
> Tim Prince wrote:
>> On 2/22/2011 1:41 PM, Prentice Bisbal wrote:
>>> One of the researchers I support is writing some Fortran code that uses
>>> Open MPI. The code is being compiled with the Intel Fortran compiler.
>>> This one line of code:
>>> integer ierr,istatus(MPI_STATUS_SIZE)
>>> leads to these errors:
>>> $ mpif90 -o simplex simplexmain579m.for simplexsubs579
>>> /usr/local/openmpi-1.2.8/intel-11/x86_64/include/mpif-config.h(88):
>>> error #6406: Conflicting attributes or multiple declaration of name.
>>> parameter (MPI_STATUS_SIZE=5)
>>> -----------------^
>>> simplexmain579m.for(147): error #6591: An automatic object is invalid in
>>> a main program. [ISTATUS]
>>> integer ierr,istatus(MPI_STATUS_SIZE)
>>> ---------------------^
>>> simplexmain579m.for(147): error #6219: A specification expression object
>>> must be a dummy argument, a COMMON block object, or an object accessible
>>> through host or use association [MPI_STATUS_SIZE]
>>> integer ierr,istatus(MPI_STATUS_SIZE)
>>> -----------------------------^
>>> /usr/local/openmpi-1.2.8/intel-11/x86_64/include/mpif-common.h(211):
>>> error #6756: A COMMON block data object must not be an automatic object.
>>> --------------^
>>> /usr/local/openmpi-1.2.8/intel-11/x86_64/include/mpif-common.h(211):
>>> error #6591: An automatic object is invalid in a main program.
>>> Any idea how to fix this? Is this a bug in the Intel compiler, or the
>>> code?
>> I can't see the code from here. The first failure to recognize the
>> PARAMETER definition apparently gives rise to the others. According to
>> the message, you already used the name MPI_STATUS_SIZE in mpif-config.h
>> and now you are trying to give it another usage (not case sensitive) in
>> the same scope. If so, it seems good that the compiler catches it.
> I agree with your logic, but the problem is where the code containing
> the error is coming from - it's comping from a header files that's a
> part of Open MPI, which makes me think this is a cmpiler error, since
> I'm sure there are plenty of people using the same header file. in their
> code.
Are you certain that they all find it necessary to re-define identifiers
from that header file, rather than picking parameter names which don't

Tim Prince