config BR2_PACKAGE_LIBNDP bool "libndp" depends on BR2_INET_IPV6 help This package contains a library which provides a wrapper for IPv6 Neighbor Discovery Protocol. It also provides a tool named ndptool for sending and receiving NDP messages. https://github.com/jpirko/libndp comment "libndp needs a toolchain w/ IPv6" depends on !BR2_INET_IPV6