CMake integration

Standalone consumer

cmake_minimum_required(VERSION 3.16)
project(my_project LANGUAGES CXX)
 
add_subdirectory(third_party/hf-fdo2-driver)
add_executable(my_app main.cpp)
target_link_libraries(my_app PRIVATE hf::fdo2)
target_compile_features(my_app PRIVATE cxx_std_17)

hf::fdo2 is an INTERFACE target. Include paths cover:

• inc/ — public headers
• ${CMAKE_CURRENT_BINARY_DIR}/hf_fdo2_generated/ — generated fdo2_version.h

Variables of interest (cmake/hf_fdo2_build_settings.cmake)

Variable	Role
HF_FDO2_TARGET_NAME	CMake target name (hf_fdo2)
HF_FDO2_PUBLIC_INCLUDE_DIRS	Include directories for IDF COMPONENT wrappers
HF_FDO2_IDF_REQUIRES	ESP-IDF component dependencies (driver)

Package config

The root CMakeLists.txt also emits hf_fdo2Config.cmake / version files for install-tree consumers (CMakePackageConfigHelpers).

Next: API reference →