CMakeLists.txt

cmake_minimum_required(VERSION 3.13)

project(freertos_examples)

add_executable(afr_demo src/main.c)

# Tell IDF build to link against this target.
set(IDF_PROJECT_EXECUTABLE afr_demo)

# Add some extra components. IDF_EXTRA_COMPONENT_DIRS is an variable used by ESP-IDF
# to collect extra components.
get_filename_component(
    EXTRA_COMPONENT_DIRS
    "components/foo" ABSOLUTE
)
list(APPEND IDF_EXTRA_COMPONENT_DIRS ${EXTRA_COMPONENT_DIRS})

# As of now there's no offical way to redefine config files outside of FreeRTOS source tree.
# This is a temporary approach to inject an include path so that this takes precedence over the
# config file directory inside FreeRTOS.
include_directories(BEFORE freertos-configs)

# Add freertos as an subdirectory. AFR_BOARD tells which board to target.
set(AFR_BOARD espressif.esp32_devkitc CACHE INTERNAL "")
add_subdirectory(freertos)

# Link against the mqtt demo so that we can use it. Dependencies of this demo are transitively
# linked.
target_link_libraries(
    afr_demo
    PRIVATE
    AFR::demo_core_mqtt
    AFR::common_io
)