if [[ "$(get_kernel_config CONFIG_NF_TABLES)" != "y" && "$(get_kernel_config CONFIG_NF_TABLES)" != "m" ]]; then message "${SPELL_COLOR}$SPELL${DEFAULT_COLOR}${PROBLEM_COLOR} requires" \ "CONFIG_NF_TABLES module/built-in${DEFAULT_COLOR}" && return 1 fi && default_pre_build