config BR2_PACKAGE_LIBCOAP bool "libcoap" select BR2_PACKAGE_LIBOPENSSL_ENABLE_PSK if BR2_PACKAGE_LIBOPENSSL select BR2_PACKAGE_LIBOPENSSL_ENGINES if BR2_PACKAGE_LIBOPENSSL help libcoap is a C implementation of a lightweight application-protocol for devices that are constrained their resources such as computing power, RF range, memory, bandwidth, or network packet sizes. This protocol, CoAP, is standardized by the IETF as RFC 7252. For further information related to CoAP, see . https://github.com/obgm/libcoap