#!/bin/sh
set -x
export LD_LIBRARY_PATH=/usr/lib64:/usr/lib
unset LIBRARY_PATH
printenv LD_LIBRARY_PATH
printenv LIBRARY_PATH
set +x
echo source /opt/intel/impi/2018.4.274/intel64/bin/mpivars.sh 
     source /opt/intel/impi/2018.4.274/intel64/bin/mpivars.sh 
set -x
printenv LD_LIBRARY_PATH
printenv LIBRARY_PATH
which mpicc
mpicc -v $I_MPI_ROOT/test/test.c
ldd ./a.out 
rm -f ./a.out