Add port of mosquitto library 1.6.11

lib/import/import-libmosquitto.mk

@@ -0,0 +1,2 @@
+LIBMOSQUITTO_PORT_DIR := $(call select_from_ports,libmosquitto)
+INC_DIR += $(LIBMOSQUITTO_PORT_DIR)/src/lib/libmosquitto/lib/ $(LIBMOSQUITTO_PORT_DIR)/src/lib/libmosquitto/lib/cpp

lib/mk/libmosquitto.mk

@@ -0,0 +1,55 @@
+LIBMOSQUITTO_DIR := $(call select_from_ports,libmosquitto)/src/lib/libmosquitto
+
+SRC_LIBMOSQUITTO := actions.c \
+callbacks.c \
+connect.c \
+handle_auth.c \
+handle_connack.c \
+handle_disconnect.c \
+handle_ping.c \
+handle_pubackcomp.c \
+handle_publish.c \
+handle_pubrec.c \
+handle_pubrel.c \
+handle_suback.c \
+handle_unsuback.c \
+helpers.c \
+logging_mosq.c \
+loop.c \
+memory_mosq.c \
+messages_mosq.c \
+misc_mosq.c \
+mosquitto.c \
+net_mosq_ocsp.c net_mosq.c \
+options.c \
+packet_datatypes.c \
+packet_mosq.c \
+property_mosq.c \
+read_handle.c \
+send_connect.c \
+send_disconnect.c \
+send_mosq.c \
+send_publish.c \
+send_subscribe.c \
+send_unsubscribe.c \
+send_mosq.c \
+socks_mosq.c \
+srv_mosq.c \
+thread_mosq.c \
+time_mosq.c \
+tls_mosq.c \
+utf8_mosq.c \
+util_mosq.c util_topic.c \
+will_mosq.c
+
+SRC_CC = $(addprefix $(LIBMOSQUITTO_DIR)/lib/, $(SRC_LIBMOSQUITTO)) $(LIBMOSQUITTO_DIR)/lib/cpp/mosquittopp.cpp
+
+INC_DIR += $(LIBMOSQUITTO_DIR) $(LIBMOSQUITTO_DIR)/lib/ $(LIBMOSQUITTO_DIR)/lib/cpp/ $(LIBMOSQUITTO_DIR)/src/deps/
+
+LIBS += stdcxx
+
+SHARED_LIB = yes
+
+CC_OPT += -O2
+
+CC_CXX_WARN_STRICT =

ports/libmosquitto.hash

@@ -0,0 +1 @@
+0e5baa57b60c36712e6f6d137e0161601c9405e4

ports/libmosquitto.port

@@ -0,0 +1,9 @@
+VERSION   := 1.6.11
+DOWNLOADS := mosquitto.archive
+LICENSE   := EPL/EDL
+
+URL(mosquitto) := https://mosquitto.org/files/source/mosquitto-$(VERSION).tar.gz
+SHA(mosquitto) := b02d8f1368c40d5779ee125c37daf9003608eb47d7fbb04c5b938c76c1230a1f
+DIR(mosquitto) := src/lib/libmosquitto
+
+PATCHES := src/lib/libmosquitto/net_mosq.c.patch