ERTS_INCLUDE_DIR ?= /Users/benoitc/local/otp/18.1.3/erts-7.1/include/
ERL_INTERFACE_INCLUDE_DIR ?= /Users/benoitc/local/otp/18.1.3/lib/erl_interface-3.8/include
ERL_INTERFACE_LIB_DIR ?= /Users/benoitc/local/otp/18.1.3/lib/erl_interface-3.8/lib