VERSION ?= 1.4.0
RANLIB  ?= ranlib
IRPF90  ?= irpf90
CC      ?= gcc
FC      ?= gfortran -g -ffree-line-length-none -fPIC # -fopenmp
FCFLAGS ?= -fPIC
AR      ?= ar
RANLIB  ?= ranlib
PYTHON  ?= python3