Add coreMQTT library

JIRA: NIL-588

build.sh

@@ -63,6 +63,7 @@ ports=(
 	"picocom"
 	"fs_mark"
 	"coremark"
+	"coreMQTT"
 )
 
 

coreMQTT/CMakeLists.txt

@@ -0,0 +1,25 @@
+cmake_minimum_required(VERSION 3.16)
+set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)
+
+project(coreMQTT)
+
+set(PROJECT_ROOT ${CMAKE_CURRENT_SOURCE_DIR})
+set(COREMQTT "coreMQTT-2.3.0")
+set(CMAKE_C_FLAGS "$ENV{CFLAGS} -std=gnu99 -O2 -Wall -Wextra")
+
+include("${COREMQTT}/mqttFilePaths.cmake")
+
+add_library(${PROJECT_NAME} STATIC ${MQTT_SOURCES} ${MQTT_SERIALIZER_SOURCES})
+
+if (DEFINED ENV{COREMQTT_CONFIG_DIR})
+    target_include_directories(${PROJECT_NAME} PRIVATE $ENV{COREMQTT_CONFIG_DIR})
+else()
+    target_compile_definitions(${PROJECT_NAME} PRIVATE MQTT_DO_NOT_USE_CUSTOM_CONFIG)
+endif()
+
+target_include_directories(${PROJECT_NAME} PUBLIC ${MQTT_INCLUDE_PUBLIC_DIRS})
+
+install(TARGETS ${PROJECT_NAME} DESTINATION "lib")
+foreach(dir IN LISTS MQTT_INCLUDE_PUBLIC_DIRS)
+    install(DIRECTORY "${dir}/" DESTINATION "include" FILES_MATCHING PATTERN "*.h")
+endforeach()

coreMQTT/build.sh

@@ -0,0 +1,21 @@
+#!/usr/bin/env bash
+
+set -e
+
+COREMQTT_VERSION="2.3.0"
+COREMQTT="coreMQTT-${COREMQTT_VERSION}"
+PKG_URL="https://github.com/FreeRTOS/coreMQTT/archive/refs/tags/"
+
+
+PREFIX_PORT_SRC="${PREFIX_PORT_BUILD}/${COREMQTT}/source"
+PREFIX_PORT_STAGING="${PREFIX_PORT_BUILD}/staging"
+
+
+b_port_download "${PKG_URL}" "v${COREMQTT_VERSION}.tar.gz"
+[ -d "${PREFIX_PORT_SRC}" ] || tar zxf "${PREFIX_PORT}/v${COREMQTT_VERSION}.tar.gz" -C "$PREFIX_PORT_BUILD"
+
+cp -a "${PREFIX_PORT}/CMakeLists.txt" "${PREFIX_PORT_BUILD}/CMakeLists.txt"
+
+cmake -S "${PREFIX_PORT_BUILD}" -B "${PREFIX_PORT_STAGING}"
+make -C "${PREFIX_PORT_STAGING}" -j 9
+cmake --install "${PREFIX_PORT_STAGING}" --prefix "${PREFIX_BUILD}"