MPI_Comm

Hi,
I am trying to communicate between two different MPI
application having two different communicator using
the following API in a client server manner:

MPI_Open_port()
MPI_Comm_accept()
MPI_Comm_connect()
MPI_Comm_disconnect()

while compiling, i found the following errors. I
wonder if anyone can tell me if i am not doing it in
proper way or mpich-gm dont support this client/server
API.

mpiserver.o(.text+0x6a): In function `main':
: undefined reference to `MPI_Open_port'
mpiserver.o(.text+0xad): In function `main':
: undefined reference to `MPI_Comm_accept'
mpiserver.o(.text+0x148): In function `main':
: undefined reference to `MPI_Close_port'
mpiserver.o(.text+0x164): In function `main':
: undefined reference to `MPI_Comm_disconnect'
collect2: ld returned 1 exit status



Thanks,
Arefeen



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