yum install lapack* blas* -y
cd /path/to/QE tar -xvf q-e-qe-6.4.1.tar.gz
cd q-e-qe-6.4.1
./configure F90=gfortran F77=gfortran MPIF90=mpifort MPIF77=mpifort CC=mpicc FCFLAGS="-O3" CFLAGS="-O3" --with-scalapack=yes --build=aarch64-unknown-linux-gnu --prefix=/path/to/QE
vi PP/src/Makefile
pw_export.o \
pw_export.x
make -j 16 pwall make install