[mpich-discuss] basic datatype for MPI_Offset

[Rob Latham]

On Tue, Apr 28, 2009 at 12:46:32PM -0500, Wei-keng Liao wrote:
> Hi, Rob,
>
> I found that every time I build mpich2-1.0.8p1 or its
> romio subtree separately, the ADIO_OFFSET is always defined to
> MPI_DOUBLE instead of MPI_LONG_LONG_INT. Can you check
> romio/configure? I think something is not right there.

You're right.  Somewhere along the line, ROMIO started using autoconf
AC_SIZEOF macros, but in a few places ROMIO was using an old variable
for the size of long long.  

I fixed this in r4340:
http://trac.mcs.anl.gov/projects/mpich2/changeset/4340

==rob

-- 
Rob Latham
Mathematics and Computer Science Division
Argonne National Lab, IL USA