Rainer Keller wrote:
> Hello dear all,
> with the current numbering in mpif-common.h, the optional ddt
> MPI_REAL2 will
> break the binary compatibility of the fortran interface from v1.2 to
> (see r15133).
> Now apart from MPI_REAL2 being of let's say rather minor importance,
> the group
> may feal that the numbering of datatypes is crucial to the end user
> and the
> (once agreed upon) allowed binary incompatibility for major version
> changes is void.
> (The most important datatype that this change affects is
> users will need to recompile their code with v1.3...)
> Please raise Your hand if anybody cares.
Sun cares very much about this for the exact reason you state (Binary
I'd prefer this ddt is placed at the end of the list.