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Code Issues Actions 2 Packages Projects Releases Wiki Activity
453ecbe9f2
esp-idf/tools/cmake/build.cmake
Ivan Grokhotkov 3b7eee3978
build: fix excluded components being passed to component manager 
`__COMPONENT_TARGETS` is evaluated very early when components and
component directories are added to the build, which means that all
components (including the ones which are in EXCLUDE_COMPONENTS) have
a build system target defined. The component manager was given the
list of all known components (derived from the list of targets), not
the list of components after EXCLUDE_COMPONENTS were processed.
Because of that, EXCLUDE_COMPONENTS didn't effectively exclude the
component from the consideration of the component manager.
2022-08-08 13:09:20 +02:00

647 lines
28 KiB
CMake
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# idf_build_get_property
#
# @brief Retrieve the value of the specified property related to ESP-IDF build.
#
# @param[out] var the variable to store the value in
# @param[in] property the property to get the value of
#
# @param[in, optional] GENERATOR_EXPRESSION (option) retrieve the generator expression for the property
# instead of actual value
function(idf_build_get_property var property)
cmake_parse_arguments(_ "GENERATOR_EXPRESSION" "" "" ${ARGN})
if(__GENERATOR_EXPRESSION)
set(val "$<TARGET_PROPERTY:__idf_build_target,${property}>")
else()
get_property(val TARGET __idf_build_target PROPERTY ${property})
endif()
set(${var} ${val} PARENT_SCOPE)
endfunction()
# idf_build_set_property
#
# @brief Set the value of the specified property related to ESP-IDF build. The property is
# also added to the internal list of build properties if it isn't there already.
#
# @param[in] property the property to set the value of
# @param[out] value value of the property
#
# @param[in, optional] APPEND (option) append the value to the current value of the
# property instead of replacing it
function(idf_build_set_property property value)
cmake_parse_arguments(_ "APPEND" "" "" ${ARGN})
if(__APPEND)
set_property(TARGET __idf_build_target APPEND PROPERTY ${property} ${value})
else()
set_property(TARGET __idf_build_target PROPERTY ${property} ${value})
endif()
# Keep track of set build properties so that they can be exported to a file that
# will be included in early expansion script.
idf_build_get_property(build_properties __BUILD_PROPERTIES)
if(NOT property IN_LIST build_properties)
idf_build_set_property(__BUILD_PROPERTIES "${property}" APPEND)
endif()
endfunction()
# idf_build_unset_property
#
# @brief Unset the value of the specified property related to ESP-IDF build. Equivalent
# to setting the property to an empty string; though it also removes the property
# from the internal list of build properties.
#
# @param[in] property the property to unset the value of
function(idf_build_unset_property property)
idf_build_set_property(${property} "") # set to an empty value
idf_build_get_property(build_properties __BUILD_PROPERTIES) # remove from tracked properties
list(REMOVE_ITEM build_properties ${property})
idf_build_set_property(__BUILD_PROPERTIES "${build_properties}")
endfunction()
#
# Retrieve the IDF_PATH repository's version, either using a version
# file or Git revision. Sets the IDF_VER build property.
#
function(__build_get_idf_git_revision)
idf_build_get_property(idf_path IDF_PATH)
git_describe(idf_ver_git "${idf_path}" "--match=v*.*")
if(EXISTS "${idf_path}/version.txt")
file(STRINGS "${idf_path}/version.txt" idf_ver_t)
set_property(DIRECTORY APPEND PROPERTY CMAKE_CONFIGURE_DEPENDS "${idf_path}/version.txt")
else()
set(idf_ver_t ${idf_ver_git})
endif()
# cut IDF_VER to required 32 characters.
string(SUBSTRING "${idf_ver_t}" 0 31 idf_ver)
idf_build_set_property(COMPILE_DEFINITIONS "-DIDF_VER=\"${idf_ver}\"" APPEND)
git_submodule_check("${idf_path}")
idf_build_set_property(IDF_VER ${idf_ver})
endfunction()
#
# Sets initial list of build specifications (compile options, definitions, etc.) common across
# all library targets built under the ESP-IDF build system. These build specifications are added
# privately using the directory-level CMake commands (add_compile_options, include_directories, etc.)
# during component registration.
#
function(__build_set_default_build_specifications)
unset(compile_definitions)
unset(compile_options)
unset(c_compile_options)
unset(cxx_compile_options)
list(APPEND compile_definitions "-D_GNU_SOURCE")
list(APPEND compile_options "-ffunction-sections"
"-fdata-sections"
# warning-related flags
"-Wall"
"-Werror=all"
"-Wno-error=unused-function"
"-Wno-error=unused-variable"
"-Wno-error=deprecated-declarations"
"-Wextra"
"-Wno-unused-parameter"
"-Wno-sign-compare"
# ignore multiple enum conversion warnings since gcc 11
# TODO: IDF-5163
"-Wno-enum-conversion"
# Default is dwarf-5 since GCC 11, fallback to dwarf-4 because of binary size
# TODO: IDF-5160
"-gdwarf-4"
# always generate debug symbols (even in release mode, these don't
# go into the final binary so have no impact on size
"-ggdb")
idf_build_set_property(COMPILE_DEFINITIONS "${compile_definitions}" APPEND)
idf_build_set_property(COMPILE_OPTIONS "${compile_options}" APPEND)
idf_build_set_property(C_COMPILE_OPTIONS "${c_compile_options}" APPEND)
idf_build_set_property(CXX_COMPILE_OPTIONS "${cxx_compile_options}" APPEND)
endfunction()
function(__build_set_lang_version)
if(NOT IDF_TARGET STREQUAL "linux")
# Building for chip targets: we use a known version of the toolchain.
# Use latest supported versions.
set(c_std gnu17)
set(cxx_std gnu++20)
else()
enable_language(C CXX)
# Building for Linux target, fall back to an older version of the standard
# if the preferred one is not supported by the compiler.
set(preferred_c_versions gnu17 gnu11 gnu99)
set(ver_found FALSE)
foreach(c_version ${preferred_c_versions})
check_c_compiler_flag("-std=${c_version}" ver_${c_version}_supported)
if(ver_${c_version}_supported)
set(c_std ${c_version})
set(ver_found TRUE)
break()
endif()
endforeach()
if(NOT ver_found)
message(FATAL_ERROR "Failed to set C language standard to one of the supported versions: "
"${preferred_c_versions}. Please upgrade the host compiler.")
endif()
set(preferred_cxx_versions gnu++20 gnu++2a gnu++17 gnu++14)
set(ver_found FALSE)
foreach(cxx_version ${preferred_cxx_versions})
check_cxx_compiler_flag("-std=${cxx_version}" ver_${cxx_version}_supported)
if(ver_${cxx_version}_supported)
set(cxx_std ${cxx_version})
set(ver_found TRUE)
break()
endif()
endforeach()
if(NOT ver_found)
message(FATAL_ERROR "Failed to set C++ language standard to one of the supported versions: "
"${preferred_cxx_versions}. Please upgrade the host compiler.")
endif()
endif()
idf_build_set_property(C_COMPILE_OPTIONS "-std=${c_std}" APPEND)
idf_build_set_property(CXX_COMPILE_OPTIONS "-std=${cxx_std}" APPEND)
endfunction()
#
# Initialize the build. This gets called upon inclusion of idf.cmake to set internal
# properties used for the processing phase of the build.
#
function(__build_init idf_path)
set(target ${IDF_TARGET})
# Create the build target, to which the ESP-IDF build properties, dependencies are attached to.
# Must be global so as to be accessible from any subdirectory in custom projects.
add_library(__idf_build_target STATIC IMPORTED GLOBAL)
# Set the Python path (which may be passed in via -DPYTHON=) and store in a build property
set_default(PYTHON "python")
file(TO_CMAKE_PATH ${PYTHON} PYTHON)
idf_build_set_property(PYTHON ${PYTHON})
idf_build_set_property(IDF_PATH ${idf_path})
idf_build_set_property(__PREFIX idf)
idf_build_set_property(__CHECK_PYTHON 1)
idf_build_set_property(IDF_COMPONENT_MANAGER 0)
__build_set_default_build_specifications()
__build_set_lang_version()
# Add internal components to the build
idf_build_get_property(idf_path IDF_PATH)
idf_build_get_property(prefix __PREFIX)
file(GLOB component_dirs ${idf_path}/components/*)
list(SORT component_dirs)
foreach(component_dir ${component_dirs})
# A potential component must be a directory
if(IS_DIRECTORY ${component_dir})
__component_dir_quick_check(is_component ${component_dir})
if(is_component)
__component_add(${component_dir} ${prefix})
endif()
endif()
endforeach()
if("${target}" STREQUAL "linux")
set(requires_common freertos log esp_rom esp_common)
idf_build_set_property(__COMPONENT_REQUIRES_COMMON "${requires_common}")
else()
# Set components required by all other components in the build
#
# - esp_hw_support is here for backward compatibility
set(requires_common cxx newlib freertos esp_hw_support heap log soc hal esp_rom esp_common esp_system)
idf_build_set_property(__COMPONENT_REQUIRES_COMMON "${requires_common}")
endif()
__build_get_idf_git_revision()
__kconfig_init()
endfunction()
# idf_build_component
#
# @brief Present a directory that contains a component to the build system.
# Relative paths are converted to absolute paths with respect to current directory.
# All calls to this command must be performed before idf_build_process.
#
# @note This command does not guarantee that the component will be processed
# during build (see the COMPONENTS argument description for command idf_build_process)
#
# @param[in] component_dir directory of the component
function(idf_build_component component_dir)
idf_build_get_property(prefix __PREFIX)
__component_add(${component_dir} ${prefix} 0)
endfunction()
#
# Resolve the requirement component to the component target created for that component.
#
function(__build_resolve_and_add_req var component_target req type)
__component_get_target(_component_target ${req})
__component_get_property(_component_registered ${component_target} __COMPONENT_REGISTERED)
if(NOT _component_target OR NOT _component_registered)
message(FATAL_ERROR "Failed to resolve component '${req}'.")
endif()
__component_set_property(${component_target} ${type} ${_component_target} APPEND)
set(${var} ${_component_target} PARENT_SCOPE)
endfunction()
#
# Build a list of components (in the form of component targets) to be added to the build
# based on public and private requirements. This list is saved in an internal property,
# __BUILD_COMPONENT_TARGETS.
#
function(__build_expand_requirements component_target)
# Since there are circular dependencies, make sure that we do not infinitely
# expand requirements for each component.
idf_build_get_property(component_targets_seen __COMPONENT_TARGETS_SEEN)
__component_get_property(component_registered ${component_target} __COMPONENT_REGISTERED)
if(component_target IN_LIST component_targets_seen OR NOT component_registered)
return()
endif()
idf_build_set_property(__COMPONENT_TARGETS_SEEN ${component_target} APPEND)
get_property(reqs TARGET ${component_target} PROPERTY REQUIRES)
get_property(priv_reqs TARGET ${component_target} PROPERTY PRIV_REQUIRES)
__component_get_property(component_name ${component_target} COMPONENT_NAME)
__component_get_property(component_alias ${component_target} COMPONENT_ALIAS)
idf_build_get_property(common_reqs __COMPONENT_REQUIRES_COMMON)
list(APPEND reqs ${common_reqs})
if(reqs)
list(REMOVE_DUPLICATES reqs)
list(REMOVE_ITEM reqs ${component_alias} ${component_name})
endif()
foreach(req ${reqs})
depgraph_add_edge(${component_name} ${req} REQUIRES)
__build_resolve_and_add_req(_component_target ${component_target} ${req} __REQUIRES)
__build_expand_requirements(${_component_target})
endforeach()
foreach(req ${priv_reqs})
depgraph_add_edge(${component_name} ${req} PRIV_REQUIRES)
__build_resolve_and_add_req(_component_target ${component_target} ${req} __PRIV_REQUIRES)
__build_expand_requirements(${_component_target})
endforeach()
idf_build_get_property(build_component_targets __BUILD_COMPONENT_TARGETS)
if(NOT component_target IN_LIST build_component_targets)
idf_build_set_property(__BUILD_COMPONENT_TARGETS ${component_target} APPEND)
__component_get_property(component_lib ${component_target} COMPONENT_LIB)
idf_build_set_property(__BUILD_COMPONENTS ${component_lib} APPEND)
idf_build_get_property(prefix __PREFIX)
__component_get_property(component_prefix ${component_target} __PREFIX)
__component_get_property(component_alias ${component_target} COMPONENT_ALIAS)
idf_build_set_property(BUILD_COMPONENT_ALIASES ${component_alias} APPEND)
# Only put in the prefix in the name if it is not the default one
if(component_prefix STREQUAL prefix)
__component_get_property(component_name ${component_target} COMPONENT_NAME)
idf_build_set_property(BUILD_COMPONENTS ${component_name} APPEND)
else()
idf_build_set_property(BUILD_COMPONENTS ${component_alias} APPEND)
endif()
endif()
endfunction()
#
# Write a CMake file containing set build properties, owing to the fact that an internal
# list of properties is maintained in idf_build_set_property() call. This is used to convert
# those set properties to variables in the scope the output file is included in.
#
function(__build_write_properties output_file)
idf_build_get_property(build_properties __BUILD_PROPERTIES)
foreach(property ${build_properties})
idf_build_get_property(val ${property})
set(build_properties_text "${build_properties_text}\nset(${property} \"${val}\")")
endforeach()
file(WRITE ${output_file} "${build_properties_text}")
endfunction()
#
# Check if the Python interpreter used for the build has all the required modules.
#
function(__build_check_python)
idf_build_get_property(check __CHECK_PYTHON)
if(check)
idf_build_get_property(python PYTHON)
idf_build_get_property(idf_path IDF_PATH)
message(STATUS "Checking Python dependencies...")
execute_process(COMMAND "${python}" "${idf_path}/tools/idf_tools.py" "check-python-dependencies"
RESULT_VARIABLE result)
if(result EQUAL 1)
# check_python_dependencies returns error code 1 on failure
message(FATAL_ERROR "Some Python dependencies must be installed. Check above message for details.")
elseif(NOT result EQUAL 0)
# means check_python_dependencies.py failed to run at all, result should be an error message
message(FATAL_ERROR "Failed to run Python dependency check. Python: ${python}, Error: ${result}")
endif()
endif()
endfunction()
#
# Prepare for component processing expanding each component's project include
#
macro(__build_process_project_includes)
# Include the sdkconfig cmake file, since the following operations require
# knowledge of config values.
idf_build_get_property(sdkconfig_cmake SDKCONFIG_CMAKE)
include(${sdkconfig_cmake})
# Make each build property available as a read-only variable
idf_build_get_property(build_properties __BUILD_PROPERTIES)
foreach(build_property ${build_properties})
idf_build_get_property(val ${build_property})
set(${build_property} "${val}")
endforeach()
# Check that the CMake target value matches the Kconfig target value.
__target_check()
idf_build_get_property(build_component_targets __BUILD_COMPONENT_TARGETS)
# Include each component's project_include.cmake
foreach(component_target ${build_component_targets})
__component_get_property(dir ${component_target} COMPONENT_DIR)
__component_get_property(_name ${component_target} COMPONENT_NAME)
set(COMPONENT_NAME ${_name})
set(COMPONENT_DIR ${dir})
set(COMPONENT_PATH ${dir}) # this is deprecated, users are encouraged to use COMPONENT_DIR;
# retained for compatibility
if(EXISTS ${COMPONENT_DIR}/project_include.cmake)
include(${COMPONENT_DIR}/project_include.cmake)
endif()
endforeach()
endmacro()
#
# Utility macro for setting default property value if argument is not specified
# for idf_build_process().
#
macro(__build_set_default var default)
set(_var __${var})
if(NOT "${${_var}}" STREQUAL "")
idf_build_set_property(${var} "${${_var}}")
else()
idf_build_set_property(${var} "${default}")
endif()
unset(_var)
endmacro()
#
# Import configs as build instance properties so that they are accessible
# using idf_build_get_config(). Config has to have been generated before calling
# this command.
#
function(__build_import_configs)
# Include the sdkconfig cmake file, since the following operations require
# knowledge of config values.
idf_build_get_property(sdkconfig_cmake SDKCONFIG_CMAKE)
include(${sdkconfig_cmake})
idf_build_set_property(__CONFIG_VARIABLES "${CONFIGS_LIST}")
foreach(config ${CONFIGS_LIST})
set_property(TARGET __idf_build_target PROPERTY ${config} "${${config}}")
endforeach()
endfunction()
# idf_build_process
#
# @brief Main processing step for ESP-IDF build: config generation, adding components to the build,
# dependency resolution, etc.
#
# @param[in] target ESP-IDF target
#
# @param[in, optional] PROJECT_DIR (single value) directory of the main project the buildsystem
# is processed for; defaults to CMAKE_SOURCE_DIR
# @param[in, optional] PROJECT_VER (single value) version string of the main project; defaults
# to 1
# @param[in, optional] PROJECT_NAME (single value) main project name, defaults to CMAKE_PROJECT_NAME
# @param[in, optional] SDKCONFIG (single value) sdkconfig output path, defaults to PROJECT_DIR/sdkconfig
# if PROJECT_DIR is set and CMAKE_SOURCE_DIR/sdkconfig if not
# @param[in, optional] SDKCONFIG_DEFAULTS (single value) config defaults file to use for the build; defaults
# to none (Kconfig defaults or previously generated config are used)
# @param[in, optional] BUILD_DIR (single value) directory for build artifacts; defautls to CMAKE_BINARY_DIR
# @param[in, optional] COMPONENTS (multivalue) select components to process among the components
# known by the build system
# (added via `idf_build_component`). This argument is used to trim the build.
# Other components are automatically added if they are required
# in the dependency chain, i.e.
# the public and private requirements of the components in this list
# are automatically added, and in
# turn the public and private requirements of those requirements,
# so on and so forth. If not specified, all components known to the build system
# are processed.
macro(idf_build_process target)
set(options)
set(single_value PROJECT_DIR PROJECT_VER PROJECT_NAME BUILD_DIR SDKCONFIG)
set(multi_value COMPONENTS SDKCONFIG_DEFAULTS)
cmake_parse_arguments(_ "${options}" "${single_value}" "${multi_value}" ${ARGN})
idf_build_set_property(BOOTLOADER_BUILD "${BOOTLOADER_BUILD}")
# Check build target is specified. Since this target corresponds to a component
# name, the target component is automatically added to the list of common component
# requirements.
if(target STREQUAL "")
message(FATAL_ERROR "Build target not specified.")
endif()
idf_build_set_property(IDF_TARGET ${target})
if("${target}" STREQUAL "esp32" OR "${target}" STREQUAL "esp32s2" OR "${target}" STREQUAL "esp32s3")
idf_build_set_property(IDF_TARGET_ARCH "xtensa")
elseif("${target}" STREQUAL "linux")
# No arch specified for linux host builds at the moment
idf_build_set_property(IDF_TARGET_ARCH "")
else()
idf_build_set_property(IDF_TARGET_ARCH "riscv")
endif()
__build_set_default(PROJECT_DIR ${CMAKE_SOURCE_DIR})
__build_set_default(PROJECT_NAME ${CMAKE_PROJECT_NAME})
__build_set_default(PROJECT_VER 1)
__build_set_default(BUILD_DIR ${CMAKE_BINARY_DIR})
idf_build_get_property(project_dir PROJECT_DIR)
__build_set_default(SDKCONFIG "${project_dir}/sdkconfig")
__build_set_default(SDKCONFIG_DEFAULTS "")
# Check for required Python modules
__build_check_python()
idf_build_get_property(target IDF_TARGET)
idf_build_get_property(arch IDF_TARGET_ARCH)
if(NOT "${target}" STREQUAL "linux")
idf_build_set_property(__COMPONENT_REQUIRES_COMMON ${arch} APPEND)
endif()
# Call for component manager to download dependencies for all components
idf_build_get_property(idf_component_manager IDF_COMPONENT_MANAGER)
if(idf_component_manager EQUAL 1)
idf_build_get_property(build_dir BUILD_DIR)
set(managed_components_list_file ${build_dir}/managed_components_list.temp.cmake)
set(local_components_list_file ${build_dir}/local_components_list.temp.yml)
set(__contents "components:\n")
foreach(__component_name ${components})
idf_component_get_property(__component_dir ${__component_name} COMPONENT_DIR)
set(__contents "${__contents} - name: \"${__component_name}\"\n path: \"${__component_dir}\"\n")
endforeach()
file(WRITE ${local_components_list_file} "${__contents}")
# Call for the component manager to prepare remote dependencies
idf_build_get_property(python PYTHON)
idf_build_get_property(component_manager_interface_version __COMPONENT_MANAGER_INTERFACE_VERSION)
execute_process(COMMAND ${python}
"-m"
"idf_component_manager.prepare_components"
"--project_dir=${project_dir}"
"--interface_version=${component_manager_interface_version}"
"prepare_dependencies"
"--local_components_list_file=${local_components_list_file}"
"--managed_components_list_file=${managed_components_list_file}"
RESULT_VARIABLE result
ERROR_VARIABLE error)
if(NOT result EQUAL 0)
message(FATAL_ERROR "${error}")
endif()
include(${managed_components_list_file})
# Add managed components to list of all components
# `managed_components` contains the list of components installed by the component manager
# It is defined in the temporary managed_components_list_file file
set(__COMPONENTS "${__COMPONENTS};${managed_components}")
file(REMOVE ${managed_components_list_file})
file(REMOVE ${local_components_list_file})
else()
message(VERBOSE "IDF Component manager was explicitly disabled by setting IDF_COMPONENT_MANAGER=0")
idf_build_get_property(__component_targets __COMPONENT_TARGETS)
set(__components_with_manifests "")
foreach(__component_target ${__component_targets})
__component_get_property(__component_dir ${__component_target} COMPONENT_DIR)
if(EXISTS "${__component_dir}/idf_component.yml")
set(__components_with_manifests "${__components_with_manifests}\t${__component_dir}\n")
endif()
endforeach()
if(NOT "${__components_with_manifests}" STREQUAL "")
message(WARNING "\"idf_component.yml\" file was found for components:\n${__components_with_manifests}"
"However, the component manager is not enabled.")
endif()
endif()
# Perform early expansion of component CMakeLists.txt in CMake scripting mode.
# It is here we retrieve the public and private requirements of each component.
# It is also here we add the common component requirements to each component's
# own requirements.
__component_get_requirements()
idf_build_get_property(component_targets __COMPONENT_TARGETS)
# Finally, do component expansion. In this case it simply means getting a final list
# of build component targets given the requirements set by each component.
# Check if we need to trim the components first, and build initial components list
# from that.
if(__COMPONENTS)
unset(component_targets)
foreach(component ${__COMPONENTS})
__component_get_target(component_target ${component})
if(NOT component_target)
message(FATAL_ERROR "Failed to resolve component '${component}'.")
endif()
list(APPEND component_targets ${component_target})
endforeach()
endif()
foreach(component_target ${component_targets})
__build_expand_requirements(${component_target})
endforeach()
idf_build_unset_property(__COMPONENT_TARGETS_SEEN)
# Get a list of common component requirements in component targets form (previously
# we just have a list of component names)
idf_build_get_property(common_reqs __COMPONENT_REQUIRES_COMMON)
foreach(common_req ${common_reqs})
__component_get_target(component_target ${common_req})
__component_get_property(lib ${component_target} COMPONENT_LIB)
idf_build_set_property(___COMPONENT_REQUIRES_COMMON ${lib} APPEND)
endforeach()
# Generate config values in different formats
idf_build_get_property(sdkconfig SDKCONFIG)
idf_build_get_property(sdkconfig_defaults SDKCONFIG_DEFAULTS)
__kconfig_generate_config("${sdkconfig}" "${sdkconfig_defaults}")
__build_import_configs()
# All targets built under this scope is with the ESP-IDF build system
set(ESP_PLATFORM 1)
idf_build_set_property(COMPILE_DEFINITIONS "-DESP_PLATFORM" APPEND)
# Perform component processing (inclusion of project_include.cmake, adding component
# subdirectories, creating library targets, linking libraries, etc.)
__build_process_project_includes()
idf_build_get_property(idf_path IDF_PATH)
add_subdirectory(${idf_path} ${build_dir}/esp-idf)
unset(ESP_PLATFORM)
endmacro()
# idf_build_executable
#
# @brief Specify the executable the build system can attach dependencies to (for generating
# files used for linking, targets which should execute before creating the specified executable,
# generating additional binary files, generating files related to flashing, etc.)
function(idf_build_executable elf)
# Set additional link flags for the executable
idf_build_get_property(link_options LINK_OPTIONS)
# Using LINK_LIBRARIES here instead of LINK_OPTIONS, as the latter is not in CMake 3.5.
set_property(TARGET ${elf} APPEND PROPERTY LINK_LIBRARIES "${link_options}")
# Propagate link dependencies from component library targets to the executable
idf_build_get_property(link_depends __LINK_DEPENDS)
set_property(TARGET ${elf} APPEND PROPERTY LINK_DEPENDS "${link_depends}")
# Set the EXECUTABLE_NAME and EXECUTABLE properties since there are generator expression
# from components that depend on it
get_filename_component(elf_name ${elf} NAME_WE)
get_target_property(elf_dir ${elf} BINARY_DIR)
idf_build_set_property(EXECUTABLE_NAME ${elf_name})
idf_build_set_property(EXECUTABLE ${elf})
idf_build_set_property(EXECUTABLE_DIR "${elf_dir}")
# Add dependency of the build target to the executable
add_dependencies(${elf} __idf_build_target)
endfunction()
# idf_build_get_config
#
# @brief Get value of specified config variable
function(idf_build_get_config var config)
cmake_parse_arguments(_ "GENERATOR_EXPRESSION" "" "" ${ARGN})
if(__GENERATOR_EXPRESSION)
set(val "$<TARGET_PROPERTY:__idf_build_target,${config}>")
else()
get_property(val TARGET __idf_build_target PROPERTY ${config})
endif()
set(${var} ${val} PARENT_SCOPE)
endfunction()
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