include(ExternalProject) function(__kconfig_init) idf_build_get_property(idf_path IDF_PATH) if(CMAKE_HOST_WIN32) # Prefer a prebuilt mconf-idf on Windows if(DEFINED ENV{MSYSTEM}) find_program(WINPTY winpty) else() unset(WINPTY CACHE) # in case previous CMake run was in a tty and this one is not endif() unset(MCONF CACHE) # needed when MSYS and CMD is intermixed (cache could contain an incompatible path) find_program(MCONF mconf-idf) # Fall back to the old binary which was called 'mconf' not 'mconf-idf' if(NOT MCONF) find_program(MCONF mconf) if(MCONF) message(WARNING "Falling back to mconf binary '${MCONF}' not mconf-idf. " "This is probably because an old version of IDF mconf is installed and this is fine. " "However if there are config problems please check the Getting Started guide for your platform.") endif() endif() if(NOT MCONF) find_program(NATIVE_GCC gcc) if(NOT NATIVE_GCC) message(FATAL_ERROR "Windows requires a prebuilt mconf-idf for your platform " "on the PATH, or an MSYS2 version of gcc on the PATH to build mconf-idf. " "Consult the setup docs for ESP-IDF on Windows.") endif() elseif(WINPTY) set(MCONF "\"${WINPTY}\" \"${MCONF}\"") endif() endif() if(NOT MCONF) # Use the existing Makefile to build mconf (out of tree) when needed # set(MCONF ${CMAKE_BINARY_DIR}/kconfig_bin/mconf-idf) externalproject_add(mconf-idf SOURCE_DIR ${idf_path}/tools/kconfig CONFIGURE_COMMAND "" BINARY_DIR "kconfig_bin" BUILD_COMMAND make -f ${idf_path}/tools/kconfig/Makefile mconf-idf BUILD_BYPRODUCTS ${MCONF} INSTALL_COMMAND "" EXCLUDE_FROM_ALL 1 ) file(GLOB mconf_srcfiles ${idf_path}/tools/kconfig/*.c) externalproject_add_stepdependencies(mconf-idf build ${mconf_srcfiles} ${idf_path}/tools/kconfig/Makefile ${CMAKE_CURRENT_LIST_FILE}) unset(mconf_srcfiles) set(menuconfig_depends DEPENDS mconf-idf) endif() idf_build_set_property(__MCONF ${MCONF}) idf_build_set_property(__MENUCONFIG_DEPENDS "${menuconfig_depends}") idf_build_get_property(idf_path IDF_PATH) idf_build_set_property(__ROOT_KCONFIG ${idf_path}/Kconfig) idf_build_set_property(__OUTPUT_SDKCONFIG 1) endfunction() # # Initialize Kconfig-related properties for components. # This function assumes that all basic properties of the components have been # set prior to calling it. # function(__kconfig_component_init component_target) __component_get_property(component_dir ${component_target} COMPONENT_DIR) file(GLOB kconfig "${component_dir}/Kconfig") __component_set_property(${component_target} KCONFIG "${kconfig}") file(GLOB kconfig "${component_dir}/Kconfig.projbuild") __component_set_property(${component_target} KCONFIG_PROJBUILD "${kconfig}") endfunction() # # Generate the config files and create config related targets and configure # dependencies. # function(__kconfig_generate_config sdkconfig sdkconfig_defaults) # List all Kconfig and Kconfig.projbuild in known components idf_build_get_property(component_targets __COMPONENT_TARGETS) idf_build_get_property(build_component_targets __BUILD_COMPONENT_TARGETS) foreach(component_target ${component_targets}) if(component_target IN_LIST build_component_targets) __component_get_property(kconfig ${component_target} KCONFIG) __component_get_property(kconfig_projbuild ${component_target} KCONFIG_PROJBUILD) if(kconfig) list(APPEND kconfigs ${kconfig}) endif() if(kconfig_projbuild) list(APPEND kconfig_projbuilds ${kconfig_projbuild}) endif() endif() endforeach() # Store the list version of kconfigs and kconfig_projbuilds idf_build_set_property(KCONFIGS "${kconfigs}") idf_build_set_property(KCONFIG_PROJBUILDS "${kconfig_projbuilds}") idf_build_get_property(idf_target IDF_TARGET) if(sdkconfig_defaults) set(defaults_arg --defaults "${sdkconfig_defaults}") endif() if(EXISTS "${sdkconfig_defaults}.${idf_target}") list(APPEND defaults_arg --defaults "${sdkconfig_defaults}.${idf_target}") endif() idf_build_get_property(idf_path IDF_PATH) idf_build_get_property(root_kconfig __ROOT_KCONFIG) idf_build_get_property(python PYTHON) string(REPLACE ";" " " kconfigs "${kconfigs}") string(REPLACE ";" " " kconfig_projbuilds "${kconfig_projbuilds}") set(confgen_basecommand ${python} ${idf_path}/tools/kconfig_new/confgen.py --kconfig ${root_kconfig} --config ${sdkconfig} ${defaults_arg} --env "COMPONENT_KCONFIGS=${kconfigs}" --env "COMPONENT_KCONFIGS_PROJBUILD=${kconfig_projbuilds}" --env "IDF_CMAKE=y" --env "IDF_TARGET=${idf_target}") idf_build_get_property(build_dir BUILD_DIR) set(config_dir ${build_dir}/config) file(MAKE_DIRECTORY "${config_dir}") # Generate the config outputs set(sdkconfig_cmake ${config_dir}/sdkconfig.cmake) set(sdkconfig_header ${config_dir}/sdkconfig.h) set(sdkconfig_json ${config_dir}/sdkconfig.json) set(sdkconfig_json_menus ${config_dir}/kconfig_menus.json) idf_build_get_property(output_sdkconfig __OUTPUT_SDKCONFIG) if(output_sdkconfig) execute_process( COMMAND ${confgen_basecommand} --output header ${sdkconfig_header} --output cmake ${sdkconfig_cmake} --output json ${sdkconfig_json} --output json_menus ${sdkconfig_json_menus} --output config ${sdkconfig} RESULT_VARIABLE config_result) else() execute_process( COMMAND ${confgen_basecommand} --output header ${sdkconfig_header} --output cmake ${sdkconfig_cmake} --output json ${sdkconfig_json} --output json_menus ${sdkconfig_json_menus} RESULT_VARIABLE config_result) endif() if(config_result) message(FATAL_ERROR "Failed to run confgen.py (${confgen_basecommand}). Error ${config_result}") endif() # Add the generated config header to build specifications. idf_build_set_property(INCLUDE_DIRECTORIES ${config_dir} APPEND) # When sdkconfig file changes in the future, trigger a cmake run set_property(DIRECTORY APPEND PROPERTY CMAKE_CONFIGURE_DEPENDS "${sdkconfig}") # Ditto if either of the generated files are missing/modified (this is a bit irritating as it means # you can't edit these manually without them being regenerated, but I don't know of a better way...) set_property(DIRECTORY APPEND PROPERTY CMAKE_CONFIGURE_DEPENDS "${sdkconfig_header}") set_property(DIRECTORY APPEND PROPERTY CMAKE_CONFIGURE_DEPENDS "${sdkconfig_cmake}") # Or if the config generation tool changes set_property(DIRECTORY APPEND PROPERTY CMAKE_CONFIGURE_DEPENDS "${idf_path}/tools/kconfig_new/confgen.py") set_property(DIRECTORY APPEND PROPERTY CMAKE_CONFIGURE_DEPENDS "${idf_path}/tools/kconfig_new/kconfiglib.py") set_property(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}" APPEND PROPERTY ADDITIONAL_MAKE_CLEAN_FILES "${sdkconfig_header}" "${sdkconfig_cmake}") idf_build_set_property(SDKCONFIG_HEADER ${sdkconfig_header}) idf_build_set_property(SDKCONFIG_JSON ${sdkconfig_json}) idf_build_set_property(SDKCONFIG_CMAKE ${sdkconfig_cmake}) idf_build_set_property(SDKCONFIG_JSON_MENUS ${sdkconfig_json_menus}) idf_build_set_property(CONFIG_DIR ${config_dir}) idf_build_get_property(menuconfig_depends __MENUCONFIG_DEPENDS) idf_build_get_property(mconf __MCONF) # Generate the menuconfig target (uses C-based mconf-idf tool, either prebuilt or via mconf-idf target above) add_custom_target(menuconfig ${menuconfig_depends} # create any missing config file, with defaults if necessary COMMAND ${confgen_basecommand} --env "IDF_TARGET=${idf_target}" --output config ${sdkconfig} COMMAND ${CMAKE_COMMAND} -E env "COMPONENT_KCONFIGS=${kconfigs}" "COMPONENT_KCONFIGS_PROJBUILD=${kconfig_projbuilds}" "IDF_CMAKE=y" "KCONFIG_CONFIG=${sdkconfig}" "IDF_TARGET=${idf_target}" ${mconf} ${root_kconfig} # VERBATIM cannot be used here because it cannot handle ${mconf}="winpty mconf-idf" and the escaping must be # done manually USES_TERMINAL # additional run of confgen esures that the deprecated options will be inserted into sdkconfig (for backward # compatibility) COMMAND ${confgen_basecommand} --env "IDF_TARGET=${idf_target}" --output config ${sdkconfig} ) # Custom target to run confserver.py from the build tool add_custom_target(confserver COMMAND ${CMAKE_COMMAND} -E env "COMPONENT_KCONFIGS=${kconfigs}" "COMPONENT_KCONFIGS_PROJBUILD=${kconfig_projbuilds}" ${PYTHON} ${IDF_PATH}/tools/kconfig_new/confserver.py --kconfig ${IDF_PATH}/Kconfig --config ${sdkconfig} VERBATIM USES_TERMINAL) endfunction()