multiple copies of mpicc

[Shandar Ahmad <shanbits@yahoo.com>]

I installed mpich using the debian package on my new
debian SPARC cluster. It makes three copies of mpicc
and similar files. This causes lot of problem in
installing certain parallel program and hangs some of
them. The copies are 

/usr/bin/mpicc
/etc/alternatives/mpicc
/lib/mpich/build/LINUX/ch_4/bin/mpicc
and /lib/mpich/bin/mpicc

(This is also true for other mpi directives e.g.
mpirun).

Can one tell me what are these four copies meant for
and how to make a better install.

Shandar

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