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esp-idf/tools/cmake/component.cmake

703 wiersze
30 KiB
CMake
Czysty Wina Historia

#
# Internal function for retrieving component properties from a component target.
#
function(__component_get_property var component_target property)
get_property(val TARGET ${component_target} PROPERTY ${property})
set(${var} "${val}" PARENT_SCOPE)
endfunction()
#
# Internal function for setting component properties on a component target. As with build properties,
# set properties are also keeped track of.
#
function(__component_set_property component_target property val)
cmake_parse_arguments(_ "APPEND" "" "" ${ARGN})
if(__APPEND)
set_property(TARGET ${component_target} APPEND PROPERTY ${property} "${val}")
else()
set_property(TARGET ${component_target} PROPERTY ${property} "${val}")
endif()
# Keep track of set component properties
__component_get_property(properties ${component_target} __COMPONENT_PROPERTIES)
if(NOT property IN_LIST properties)
__component_set_property(${component_target} __COMPONENT_PROPERTIES ${property} APPEND)
endif()
endfunction()
#
# Given a component name or alias, get the corresponding component target.
#
function(__component_get_target var name_or_alias)
# Look at previously resolved names or aliases
idf_build_get_property(component_names_resolved __COMPONENT_NAMES_RESOLVED)
list(FIND component_names_resolved ${name_or_alias} result)
if(NOT result EQUAL -1)
# If it has been resolved before, return that value. The index is the same
# as in __COMPONENT_NAMES_RESOLVED as these are parallel lists.
idf_build_get_property(component_targets_resolved __COMPONENT_TARGETS_RESOLVED)
list(GET component_targets_resolved ${result} target)
set(${var} ${target} PARENT_SCOPE)
return()
endif()
idf_build_get_property(component_targets __COMPONENT_TARGETS)
# Assume first that the parameters is an alias.
string(REPLACE "::" "_" name_or_alias "${name_or_alias}")
set(component_target ___${name_or_alias})
if(component_target IN_LIST component_targets)
set(${var} ${component_target} PARENT_SCOPE)
set(target ${component_target})
else() # assumption is wrong, try to look for it manually
unset(target)
foreach(component_target ${component_targets})
__component_get_property(_component_name ${component_target} COMPONENT_NAME)
if(name_or_alias STREQUAL _component_name)
set(target ${component_target})
break()
endif()
endforeach()
set(${var} ${target} PARENT_SCOPE)
endif()
# Save the resolved name or alias
if(target)
idf_build_set_property(__COMPONENT_NAMES_RESOLVED ${name_or_alias} APPEND)
idf_build_set_property(__COMPONENT_TARGETS_RESOLVED ${target} APPEND)
endif()
endfunction()
#
# Called during component registration, sets basic properties of the current component.
#
macro(__component_set_properties)
__component_get_property(type ${component_target} COMPONENT_TYPE)
# Fill in the rest of component property
__component_set_property(${component_target} SRCS "${sources}")
__component_set_property(${component_target} INCLUDE_DIRS "${__INCLUDE_DIRS}")
if(type STREQUAL LIBRARY)
__component_set_property(${component_target} PRIV_INCLUDE_DIRS "${__PRIV_INCLUDE_DIRS}")
endif()
__component_set_property(${component_target} LDFRAGMENTS "${__LDFRAGMENTS}")
__component_set_property(${component_target} EMBED_FILES "${__EMBED_FILES}")
__component_set_property(${component_target} EMBED_TXTFILES "${__EMBED_TXTFILES}")
__component_set_property(${component_target} REQUIRED_IDF_TARGETS "${__REQUIRED_IDF_TARGETS}")
__component_set_property(${component_target} WHOLE_ARCHIVE ${__WHOLE_ARCHIVE})
endmacro()
#
# Perform a quick check if given component dir satisfies basic requirements.
#
function(__component_dir_quick_check var component_dir)
set(res 1)
get_filename_component(abs_dir ${component_dir} ABSOLUTE)
get_filename_component(base_dir ${abs_dir} NAME)
string(SUBSTRING "${base_dir}" 0 1 first_char)
# Check the component directory contains a CMakeLists.txt file
# - warn and skip anything which isn't valid looking (probably cruft)
if(NOT first_char STREQUAL ".")
if(NOT EXISTS "${abs_dir}/CMakeLists.txt")
message(STATUS "Component directory ${abs_dir} does not contain a CMakeLists.txt file. "
"No component will be added")
set(res 0)
endif()
else()
set(res 0) # quietly ignore dot-folders
endif()
set(${var} ${res} PARENT_SCOPE)
endfunction()
#
# Write a CMake file containing all component and their properties. This is possible because each component
# keeps a list of all its properties.
#
function(__component_write_properties output_file)
idf_build_get_property(component_targets __COMPONENT_TARGETS)
foreach(component_target ${component_targets})
__component_get_property(component_properties ${component_target} __COMPONENT_PROPERTIES)
foreach(property ${component_properties})
__component_get_property(val ${component_target} ${property})
set(component_properties_text
"${component_properties_text}\nset(__component_${component_target}_${property} \"${val}\")")
endforeach()
file(WRITE ${output_file} "${component_properties_text}")
endforeach()
endfunction()
#
# Add a component to process in the build. The components are keeped tracked of in property
# __COMPONENT_TARGETS in component target form.
#
function(__component_add component_dir prefix component_source)
# For each component, two entities are created: a component target and a component library. The
# component library is created during component registration (the actual static/interface library).
# On the other hand, component targets are created early in the build
# (during adding component as this function suggests).
# This is so that we still have a target to attach properties to up until the component registration.
# Plus, interface libraries have limitations on the types of properties that can be set on them,
# so later in the build, these component targets actually contain the properties meant for the
# corresponding component library.
idf_build_get_property(component_targets __COMPONENT_TARGETS)
get_filename_component(abs_dir ${component_dir} ABSOLUTE)
get_filename_component(base_dir ${abs_dir} NAME)
if(NOT EXISTS "${abs_dir}/CMakeLists.txt")
message(FATAL_ERROR "Directory '${component_dir}' does not contain a component.")
endif()
set(component_name ${base_dir})
# The component target has three underscores as a prefix. The corresponding component library
# only has two.
set(component_target ___${prefix}_${component_name})
# If a component of the same name has not been added before If it has been added
# before just override the properties. As a side effect, components added later
# 'override' components added earlier.
if(NOT component_target IN_LIST component_targets)
if(NOT TARGET ${component_target})
add_library(${component_target} STATIC IMPORTED)
endif()
idf_build_set_property(__COMPONENT_TARGETS ${component_target} APPEND)
else()
__component_get_property(dir ${component_target} COMPONENT_DIR)
__component_set_property(${component_target} COMPONENT_OVERRIDEN_DIR ${dir})
endif()
set(component_lib __${prefix}_${component_name})
set(component_dir ${abs_dir})
set(component_alias ${prefix}::${component_name}) # The 'alias' of the component library,
# used to refer to the component outside
# the build system. Users can use this name
# to resolve ambiguity with component names
# and to link IDF components to external targets.
# Set the basic properties of the component
__component_set_property(${component_target} COMPONENT_LIB ${component_lib})
__component_set_property(${component_target} COMPONENT_NAME ${component_name})
__component_set_property(${component_target} COMPONENT_DIR ${component_dir})
__component_set_property(${component_target} COMPONENT_ALIAS ${component_alias})
if(component_source)
__component_set_property(${component_target} COMPONENT_SOURCE ${component_source})
endif()
__component_set_property(${component_target} __PREFIX ${prefix})
# Set Kconfig related properties on the component
__kconfig_component_init(${component_target})
# these two properties are used to keep track of the components known to the build system
idf_build_set_property(BUILD_COMPONENT_DIRS ${component_dir} APPEND)
idf_build_set_property(BUILD_COMPONENT_TARGETS ${component_target} APPEND)
endfunction()
#
# Given a component directory, get the requirements by expanding it early. The expansion is performed
# using a separate CMake script (the expansion is performed in a separate instance of CMake in scripting mode).
#
function(__component_get_requirements)
idf_build_get_property(idf_path IDF_PATH)
idf_build_get_property(build_dir BUILD_DIR)
set(build_properties_file ${build_dir}/build_properties.temp.cmake)
set(component_properties_file ${build_dir}/component_properties.temp.cmake)
set(component_requires_file ${build_dir}/component_requires.temp.cmake)
__build_write_properties(${build_properties_file})
__component_write_properties(${component_properties_file})
execute_process(COMMAND "${CMAKE_COMMAND}"
-D "ESP_PLATFORM=1"
-D "BUILD_PROPERTIES_FILE=${build_properties_file}"
-D "COMPONENT_PROPERTIES_FILE=${component_properties_file}"
-D "COMPONENT_REQUIRES_FILE=${component_requires_file}"
-P "${idf_path}/tools/cmake/scripts/component_get_requirements.cmake"
RESULT_VARIABLE result
ERROR_VARIABLE error)
if(NOT result EQUAL 0)
message(FATAL_ERROR "${error}")
endif()
idf_build_get_property(idf_component_manager IDF_COMPONENT_MANAGER)
if(idf_component_manager EQUAL 1)
idf_build_get_property(python PYTHON)
idf_build_get_property(component_manager_interface_version __COMPONENT_MANAGER_INTERFACE_VERSION)
# Call for the component manager once again to inject dependencies
# It modifies the requirements file generated by component_get_requirements.cmake script by adding dependencies
# defined in component manager manifests to REQUIRES and PRIV_REQUIRES fields.
# These requirements are also set as MANAGED_REQUIRES and MANAGED_PRIV_REQUIRES component properties.
execute_process(COMMAND ${python}
"-m"
"idf_component_manager.prepare_components"
"--project_dir=${project_dir}"
"--lock_path=${DEPENDENCIES_LOCK}"
"--interface_version=${component_manager_interface_version}"
"inject_requirements"
"--idf_path=${idf_path}"
"--build_dir=${build_dir}"
"--component_requires_file=${component_requires_file}"
RESULT_VARIABLE result
ERROR_VARIABLE error)
if(NOT result EQUAL 0)
message(FATAL_ERROR "${error}")
endif()
endif()
include(${component_requires_file})
file(REMOVE ${build_properties_file})
file(REMOVE ${component_properties_file})
file(REMOVE ${component_requires_file})
endfunction()
# __component_add_sources, __component_check_target, __component_add_include_dirs
#
# Utility macros for component registration. Adds source files and checks target requirements,
# and adds include directories respectively.
macro(__component_add_sources sources)
set(sources "")
if(__SRCS)
if(__SRC_DIRS)
message(WARNING "SRCS and SRC_DIRS are both specified; ignoring SRC_DIRS.")
endif()
foreach(src ${__SRCS})
get_filename_component(src "${src}" ABSOLUTE BASE_DIR ${COMPONENT_DIR})
list(APPEND sources ${src})
endforeach()
else()
if(__SRC_DIRS)
foreach(dir ${__SRC_DIRS})
get_filename_component(abs_dir ${dir} ABSOLUTE BASE_DIR ${COMPONENT_DIR})
if(NOT IS_DIRECTORY ${abs_dir})
message(FATAL_ERROR "SRC_DIRS entry '${dir}' does not exist.")
endif()
file(GLOB dir_sources "${abs_dir}/*.c" "${abs_dir}/*.cpp" "${abs_dir}/*.S")
list(SORT dir_sources)
if(dir_sources)
foreach(src ${dir_sources})
get_filename_component(src "${src}" ABSOLUTE BASE_DIR ${COMPONENT_DIR})
list(APPEND sources "${src}")
endforeach()
else()
message(WARNING "No source files found for SRC_DIRS entry '${dir}'.")
endif()
endforeach()
endif()
if(__EXCLUDE_SRCS)
foreach(src ${__EXCLUDE_SRCS})
get_filename_component(src "${src}" ABSOLUTE)
list(REMOVE_ITEM sources "${src}")
endforeach()
endif()
endif()
list(REMOVE_DUPLICATES sources)
endmacro()
macro(__component_add_include_dirs lib dirs type)
foreach(dir ${dirs})
get_filename_component(_dir ${dir} ABSOLUTE BASE_DIR ${CMAKE_CURRENT_LIST_DIR})
if(NOT IS_DIRECTORY ${_dir})
message(FATAL_ERROR "Include directory '${_dir}' is not a directory.")
endif()
target_include_directories(${lib} ${type} ${_dir})
endforeach()
endmacro()
macro(__component_check_target)
if(__REQUIRED_IDF_TARGETS)
idf_build_get_property(idf_target IDF_TARGET)
if(NOT idf_target IN_LIST __REQUIRED_IDF_TARGETS)
message(FATAL_ERROR "Component ${COMPONENT_NAME} only supports targets: ${__REQUIRED_IDF_TARGETS}")
endif()
endif()
endmacro()
# __component_set_dependencies, __component_set_all_dependencies
#
# Links public and private requirements for the currently processed component
macro(__component_set_dependencies reqs type)
foreach(req ${reqs})
if(req IN_LIST build_component_targets)
__component_get_property(req_lib ${req} COMPONENT_LIB)
if("${type}" STREQUAL "PRIVATE")
set_property(TARGET ${component_lib} APPEND PROPERTY LINK_LIBRARIES ${req_lib})
set_property(TARGET ${component_lib} APPEND PROPERTY INTERFACE_LINK_LIBRARIES $<LINK_ONLY:${req_lib}>)
elseif("${type}" STREQUAL "PUBLIC")
set_property(TARGET ${component_lib} APPEND PROPERTY LINK_LIBRARIES ${req_lib})
set_property(TARGET ${component_lib} APPEND PROPERTY INTERFACE_LINK_LIBRARIES ${req_lib})
else() # INTERFACE
set_property(TARGET ${component_lib} APPEND PROPERTY INTERFACE_LINK_LIBRARIES ${req_lib})
endif()
endif()
endforeach()
endmacro()
macro(__component_set_all_dependencies)
__component_get_property(type ${component_target} COMPONENT_TYPE)
idf_build_get_property(build_component_targets __BUILD_COMPONENT_TARGETS)
if(NOT type STREQUAL CONFIG_ONLY)
__component_get_property(reqs ${component_target} __REQUIRES)
__component_set_dependencies("${reqs}" PUBLIC)
__component_get_property(priv_reqs ${component_target} __PRIV_REQUIRES)
__component_set_dependencies("${priv_reqs}" PRIVATE)
else()
__component_get_property(reqs ${component_target} __REQUIRES)
__component_set_dependencies("${reqs}" INTERFACE)
endif()
endmacro()
# idf_component_get_property
#
# @brief Retrieve the value of the specified component property
#
# @param[out] var the variable to store the value of the property in
# @param[in] component the component name or alias to get the value of the property of
# @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_component_get_property var component property)
cmake_parse_arguments(_ "GENERATOR_EXPRESSION" "" "" ${ARGN})
__component_get_target(component_target ${component})
if("${component_target}" STREQUAL "")
message(FATAL_ERROR "Failed to resolve component '${component}'")
else()
if(__GENERATOR_EXPRESSION)
set(val "$<TARGET_PROPERTY:${component_target},${property}>")
else()
__component_get_property(val ${component_target} ${property})
endif()
endif()
set(${var} "${val}" PARENT_SCOPE)
endfunction()
# idf_component_set_property
#
# @brief Set the value of the specified component property related. The property is
# also added to the internal list of component properties if it isn't there already.
#
# @param[in] component component name or alias of the component to set the property of
# @param[in] property the property to set the value of
# @param[out] value value of the property to set to
#
# @param[in, optional] APPEND (option) append the value to the current value of the
# property instead of replacing it
function(idf_component_set_property component property val)
cmake_parse_arguments(_ "APPEND" "" "" ${ARGN})
__component_get_target(component_target ${component})
if(NOT component_target)
message(FATAL_ERROR "Failed to resolve component '${component}'")
endif()
if(__APPEND)
__component_set_property(${component_target} ${property} "${val}" APPEND)
else()
__component_set_property(${component_target} ${property} "${val}")
endif()
endfunction()
# idf_component_register
#
# @brief Register a component to the build, creating component library targets etc.
#
# @param[in, optional] SRCS (multivalue) list of source files for the component
# @param[in, optional] SRC_DIRS (multivalue) list of source directories to look for source files
# in (.c, .cpp. .S); ignored when SRCS is specified.
# @param[in, optional] EXCLUDE_SRCS (multivalue) used to exclude source files for the specified
# SRC_DIRS
# @param[in, optional] INCLUDE_DIRS (multivalue) public include directories for the created component library
# @param[in, optional] PRIV_INCLUDE_DIRS (multivalue) private include directories for the created component library
# @param[in, optional] LDFRAGMENTS (multivalue) linker script fragments for the component
# @param[in, optional] REQUIRES (multivalue) publicly required components in terms of usage requirements
# @param[in, optional] PRIV_REQUIRES (multivalue) privately required components in terms of usage requirements
# or components only needed for functions/values defined in its project_include.cmake
# @param[in, optional] REQUIRED_IDF_TARGETS (multivalue) the list of IDF build targets that the component only supports
# @param[in, optional] EMBED_FILES (multivalue) list of binary files to embed with the component
# @param[in, optional] EMBED_TXTFILES (multivalue) list of text files to embed with the component
# @param[in, optional] KCONFIG (single value) override the default Kconfig
# @param[in, optional] KCONFIG_PROJBUILD (single value) override the default Kconfig
# @param[in, optional] WHOLE_ARCHIVE (option) link the component as --whole-archive
function(idf_component_register)
set(options WHOLE_ARCHIVE)
set(single_value KCONFIG KCONFIG_PROJBUILD)
set(multi_value SRCS SRC_DIRS EXCLUDE_SRCS
INCLUDE_DIRS PRIV_INCLUDE_DIRS LDFRAGMENTS REQUIRES
PRIV_REQUIRES REQUIRED_IDF_TARGETS EMBED_FILES EMBED_TXTFILES)
cmake_parse_arguments(_ "${options}" "${single_value}" "${multi_value}" ${ARGN})
if(NOT __idf_component_context)
message(FATAL_ERROR "Called idf_component_register from a non-component directory.")
endif()
__component_check_target()
__component_add_sources(sources)
# Add component manifest to the list of dependencies
set_property(DIRECTORY APPEND PROPERTY CMAKE_CONFIGURE_DEPENDS "${COMPONENT_DIR}/idf_component.yml")
# Create the final target for the component. This target is the target that is
# visible outside the build system.
__component_get_target(component_target ${COMPONENT_ALIAS})
__component_get_property(component_lib ${component_target} COMPONENT_LIB)
# Use generator expression so that users can append/override flags even after call to
# idf_build_process
idf_build_get_property(include_directories INCLUDE_DIRECTORIES GENERATOR_EXPRESSION)
idf_build_get_property(compile_options COMPILE_OPTIONS GENERATOR_EXPRESSION)
idf_build_get_property(compile_definitions COMPILE_DEFINITIONS GENERATOR_EXPRESSION)
idf_build_get_property(c_compile_options C_COMPILE_OPTIONS GENERATOR_EXPRESSION)
idf_build_get_property(cxx_compile_options CXX_COMPILE_OPTIONS GENERATOR_EXPRESSION)
idf_build_get_property(asm_compile_options ASM_COMPILE_OPTIONS GENERATOR_EXPRESSION)
idf_build_get_property(common_reqs ___COMPONENT_REQUIRES_COMMON)
include_directories("${include_directories}")
add_compile_options("${compile_options}")
add_compile_definitions("${compile_definitions}")
add_c_compile_options("${c_compile_options}")
add_cxx_compile_options("${cxx_compile_options}")
add_asm_compile_options("${asm_compile_options}")
if(common_reqs) # check whether common_reqs exists, this may be the case in minimalistic host unit test builds
list(REMOVE_ITEM common_reqs ${component_lib})
endif()
link_libraries(${common_reqs})
idf_build_get_property(config_dir CONFIG_DIR)
# The contents of 'sources' is from the __component_add_sources call
if(sources OR __EMBED_FILES OR __EMBED_TXTFILES)
add_library(${component_lib} STATIC ${sources})
__component_set_property(${component_target} COMPONENT_TYPE LIBRARY)
__component_add_include_dirs(${component_lib} "${__INCLUDE_DIRS}" PUBLIC)
__component_add_include_dirs(${component_lib} "${__PRIV_INCLUDE_DIRS}" PRIVATE)
__component_add_include_dirs(${component_lib} "${config_dir}" PUBLIC)
set_target_properties(${component_lib} PROPERTIES OUTPUT_NAME ${COMPONENT_NAME} LINKER_LANGUAGE C)
__ldgen_add_component(${component_lib})
else()
add_library(${component_lib} INTERFACE)
__component_set_property(${component_target} COMPONENT_TYPE CONFIG_ONLY)
__component_add_include_dirs(${component_lib} "${__INCLUDE_DIRS}" INTERFACE)
__component_add_include_dirs(${component_lib} "${config_dir}" INTERFACE)
endif()
# Alias the static/interface library created for linking to external targets.
# The alias is the <prefix>::<component name> name.
__component_get_property(component_alias ${component_target} COMPONENT_ALIAS)
add_library(${component_alias} ALIAS ${component_lib})
# Perform other component processing, such as embedding binaries and processing linker
# script fragments
foreach(file ${__EMBED_FILES})
target_add_binary_data(${component_lib} "${file}" "BINARY")
endforeach()
foreach(file ${__EMBED_TXTFILES})
target_add_binary_data(${component_lib} "${file}" "TEXT")
endforeach()
if(__LDFRAGMENTS)
__ldgen_add_fragment_files("${__LDFRAGMENTS}")
endif()
# Set dependencies
__component_set_all_dependencies()
# Make the COMPONENT_LIB variable available in the component CMakeLists.txt
set(COMPONENT_LIB ${component_lib} PARENT_SCOPE)
# COMPONENT_TARGET is deprecated but is made available with same function
# as COMPONENT_LIB for compatibility.
set(COMPONENT_TARGET ${component_lib} PARENT_SCOPE)
__component_set_properties()
endfunction()
# idf_component_mock
#
# @brief Create mock component with CMock and register it to IDF build system.
#
# @param[in, optional] INCLUDE_DIRS (multivalue) list include directories which belong to the header files
# provided in MOCK_HEADER_FILES. If any other include directories are necessary, they need
# to be passed here, too.
# @param[in, optional] MOCK_HEADER_FILES (multivalue) list of header files from which the mocks shall be generated.
# @param[in, optional] REQUIRES (multivalue) any other components required by the mock component.
#
function(idf_component_mock)
set(options)
set(single_value)
set(multi_value MOCK_HEADER_FILES INCLUDE_DIRS REQUIRES)
cmake_parse_arguments(_ "${options}" "${single_value}" "${multi_value}" ${ARGN})
list(APPEND __REQUIRES "cmock")
set(MOCK_GENERATED_HEADERS "")
set(MOCK_GENERATED_SRCS "")
set(MOCK_FILES "")
set(IDF_PATH $ENV{IDF_PATH})
set(CMOCK_DIR "${IDF_PATH}/components/cmock/CMock")
set(MOCK_GEN_DIR "${CMAKE_CURRENT_BINARY_DIR}")
list(APPEND __INCLUDE_DIRS "${MOCK_GEN_DIR}/mocks")
foreach(header_file ${__MOCK_HEADER_FILES})
get_filename_component(file_without_dir ${header_file} NAME_WE)
list(APPEND MOCK_GENERATED_HEADERS "${MOCK_GEN_DIR}/mocks/Mock${file_without_dir}.h")
list(APPEND MOCK_GENERATED_SRCS "${MOCK_GEN_DIR}/mocks/Mock${file_without_dir}.c")
endforeach()
file(MAKE_DIRECTORY "${MOCK_GEN_DIR}/mocks")
idf_component_register(SRCS "${MOCK_GENERATED_SRCS}"
INCLUDE_DIRS ${__INCLUDE_DIRS}
REQUIRES ${__REQUIRES})
set(COMPONENT_LIB ${COMPONENT_LIB} PARENT_SCOPE)
add_custom_command(
OUTPUT ruby_found SYMBOLIC
COMMAND "ruby" "-v"
COMMENT "Try to find ruby. If this fails, you need to install ruby"
)
# This command builds the mocks.
# First, environment variable UNITY_DIR is set. This is necessary to prevent unity from looking in its own submodule
# which doesn't work in our CI yet...
# The rest is a straight forward call to cmock.rb, consult cmock's documentation for more information.
add_custom_command(
OUTPUT ${MOCK_GENERATED_SRCS} ${MOCK_GENERATED_HEADERS}
DEPENDS ruby_found
COMMAND ${CMAKE_COMMAND} -E env "UNITY_DIR=${IDF_PATH}/components/unity/unity"
ruby
${CMOCK_DIR}/lib/cmock.rb
-o${CMAKE_CURRENT_SOURCE_DIR}/mock/mock_config.yaml
${__MOCK_HEADER_FILES}
)
endfunction()
# idf_component_optional_requires
#
# @brief Add a dependency on a given component only if it is included in the build.
#
# Calling idf_component_optional_requires(PRIVATE dependency_name) has the similar effect to
# target_link_libraries(${COMPONENT_LIB} PRIVATE idf::dependency_name), only if 'dependency_name'
# component is part of the build. Otherwise, no dependency gets added. Multiple names may be given.
#
# @param[in] type of the dependency, one of: PRIVATE, PUBLIC, INTERFACE
# @param[in, multivalue] list of component names which should be added as dependencies
#
function(idf_component_optional_requires req_type)
set(optional_reqs ${ARGN})
idf_build_get_property(build_components BUILD_COMPONENTS)
foreach(req ${optional_reqs})
if(req IN_LIST build_components)
idf_component_get_property(req_lib ${req} COMPONENT_LIB)
target_link_libraries(${COMPONENT_LIB} ${req_type} ${req_lib})
endif()
endforeach()
endfunction()
# idf_component_add_link_dependency
#
# @brief Specify than an ESP-IDF component library depends on another component
# library at link time only.
#
# @note Almost always it's better to use idf_component_register() REQUIRES or
# PRIV_REQUIRES for this. However using this function allows adding a dependency
# from inside a different component, as a last resort.
#
# @param[in, required] FROM Component the dependency is from (this component depends on the other component)
# @param[in, optional] TO Component the dependency is to (this component is depended on by FROM). If omitted
# then the current component is assumed. For this default value to work, this function must be called after
# idf_component_register() in the component CMakeLists.txt file.
function(idf_component_add_link_dependency)
set(single_value FROM TO)
cmake_parse_arguments(_ "" "${single_value}" "" ${ARGN})
idf_component_get_property(from_lib ${__FROM} COMPONENT_LIB)
if(__TO)
idf_component_get_property(to_lib ${__TO} COMPONENT_LIB)
else()
set(to_lib ${COMPONENT_LIB})
endif()
set_property(TARGET ${from_lib} APPEND PROPERTY INTERFACE_LINK_LIBRARIES $<LINK_ONLY:${to_lib}>)
endfunction()
#
# Deprecated functions
#
# register_component
#
# Compatibility function for registering 3.xx style components.
macro(register_component)
spaces2list(COMPONENT_SRCS)
spaces2list(COMPONENT_SRCDIRS)
spaces2list(COMPONENT_ADD_INCLUDEDIRS)
spaces2list(COMPONENT_PRIV_INCLUDEDIRS)
spaces2list(COMPONENT_REQUIRES)
spaces2list(COMPONENT_PRIV_REQUIRES)
spaces2list(COMPONENT_ADD_LDFRAGMENTS)
spaces2list(COMPONENT_EMBED_FILES)
spaces2list(COMPONENT_EMBED_TXTFILES)
spaces2list(COMPONENT_SRCEXCLUDE)
idf_component_register(SRCS "${COMPONENT_SRCS}"
SRC_DIRS "${COMPONENT_SRCDIRS}"
INCLUDE_DIRS "${COMPONENT_ADD_INCLUDEDIRS}"
PRIV_INCLUDE_DIRS "${COMPONENT_PRIV_INCLUDEDIRS}"
REQUIRES "${COMPONENT_REQUIRES}"
PRIV_REQUIRES "${COMPONENT_PRIV_REQUIRES}"
LDFRAGMENTS "${COMPONENT_ADD_LDFRAGMENTS}"
EMBED_FILES "${COMPONENT_EMBED_FILES}"
EMBED_TXTFILES "${COMPONENT_EMBED_TXTFILES}"
EXCLUDE_SRCS "${COMPONENT_SRCEXCLUDE}")
endmacro()
# require_idf_targets
#
# Compatibility function for requiring IDF build targets for 3.xx style components.
function(require_idf_targets)
set(__REQUIRED_IDF_TARGETS "${ARGN}")
__component_check_target()
endfunction()
# register_config_only_component
#
# Compatibility function for registering 3.xx style config components.
macro(register_config_only_component)
register_component()
endmacro()
# component_compile_options
#
# Wrapper around target_compile_options that passes the component name
function(component_compile_options)
target_compile_options(${COMPONENT_LIB} PRIVATE ${ARGV})
endfunction()
# component_compile_definitions
#
# Wrapper around target_compile_definitions that passes the component name
function(component_compile_definitions)
target_compile_definitions(${COMPONENT_LIB} PRIVATE ${ARGV})
endfunction()
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