MKLROOT=/user1/aman/intel/oneapi/mkl/2021.2.0/
gcc  -shared -fPIC -O2 dexample_ev.c -DMKL_ILP64 -I${MKLROOT}/include -Wl,--start-group ${MKLROOT}/lib/intel64/libmkl_intel_ilp64.a ${MKLROOT}/lib/intel64/libmkl_gnu_thread.a ${MKLROOT}/lib/intel64/libmkl_core.a -Wl,--end-group -fopenmp -lpthread -ldl -lm -g

#-DMKL_ILP64