Compiling with MVAPICH2 leads to undefined references


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parallel computation works
Dear Bert,
Thank you for your help.

The following environment worked for me on RHEL6:
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NWCHEM_TOP=/home/deburg0/Downloads/nwchem-6.1
NWCHEM_TARGET=LINUX64
ARMCI_NETWORK=OPENIB
IB_HOME=/usr
IB_INCLUDE=/usr/include
IB_LIB= USE_MPI=y
MPI_LOC=/usr/local
MPI_LIB=/usr/local/lib
MPI_INCLUDE=/usr/local/include
LIBMPI=-lmpichf90 -lmpich -lopa -lmpl -lpthread -libverbs -libumad -ldl -lrt
IB_LIB_NAME=-lpthread -libverbs -libumad