internal svn links, as supported by svn 1.5.

vs. autoconf.

Reviewed by buntinas.

No reviewer.

Reviewed by balaji@. ;)

This commit implements MPI Forum ticket #33, which adds a distributed
graph topology specification API.  This implementation does not use the
topology information at this time, but it is stored and can be queried
as specified by the MPI-2.2 Standard.

For more history and information about this feature, please see the
following URL:

https://svn.mpi-forum.org/trac/mpi-forum-web/ticket/33

No reviewer.

No reviewer.

questions to mpich-discuss instead of mpich2-maint. Only bug reports
should be sent to mpich2-maint.

distributed graph functions is correct.

Hydra source code where the error occured.

including the hostname.

functionality in MPI-2.2

actually ready to accept connections. This was causing a race
condition when an application is launched immediately after launching
the proxies. See ticket #835.

the proxies to kill the processes and return the exit status, and not
just exit immediately. See ticket #834.

the proxy will just block waiting for an event on that socket and not
forward any of the other messages. See ticket #839.

Reviewed by buntinas.

[svn-r5287] Minor changes to a few tests to improve error reporting and to eliminate the possibility of a leak of communicators

[svn-r5286] Change use of MPI_Request_free after cancel, since some MPI implementations (e.g., IBMs MPI) complain about this use

[svn-r5284] Check for MPI_Init_thread and allow MPI implementation that have MPI_Init_thread but do not claim to be MPI 2 (e.g., the IBM MPI) to use MPI_Init_thread in mtest.c to support thread tests

Reviewed by goodell.