esp-idf/tools/cmake/scripts/component_get_requirements....

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6.2 KiB
CMake

# if(IN_LIST) is used, which requires CMP0057 set to NEW
cmake_policy(SET CMP0057 NEW)
include("${BUILD_PROPERTIES_FILE}")
include("${COMPONENT_PROPERTIES_FILE}")
function(idf_build_get_property var property)
cmake_parse_arguments(_ "GENERATOR_EXPRESSION" "" "" ${ARGN})
if(__GENERATOR_EXPRESSION)
message(FATAL_ERROR "Getting build property generator expression not
supported before idf_component_register().")
endif()
set(${var} ${${property}} PARENT_SCOPE)
endfunction()
idf_build_get_property(idf_path IDF_PATH)
include(${idf_path}/tools/cmake/utilities.cmake)
include(${idf_path}/tools/cmake/version.cmake)
function(__component_get_property var component_target property)
set(_property __component_${component_target}_${property})
set(${var} ${${_property}} PARENT_SCOPE)
endfunction()
#
# Given a component name or alias, get the corresponding component target.
#
function(__component_get_target var name_or_alias)
idf_build_get_property(component_targets __COMPONENT_TARGETS)
# Assume first that the paramters 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()
endfunction()
function(idf_component_get_property var component property)
__component_get_target(component_target ${component})
__component_get_property(_var ${component_target} ${property})
set(${var} ${_var} PARENT_SCOPE)
endfunction()
macro(require_idf_targets)
endmacro()
macro(idf_component_register)
set(options)
set(single_value KCONFIG KCONFIG_PROJBUILD)
set(multi_value SRCS SRC_DIRS EXCLUDE_SRCS
INCLUDE_DIRS PRIV_INCLUDE_DIRS LDFRAGMENTS REQUIRES
PRIV_REQUIRES REQUIRED_IDF_TARGETS EMBED_FILES EMBED_TXTFILES)
cmake_parse_arguments(_ "${options}" "${single_value}" "${multi_value}" "${ARGN}")
set(__component_priv_requires "${__PRIV_REQUIRES}")
set(__component_requires "${__REQUIRES}")
set(__component_kconfig "${__KCONFIG}")
set(__component_kconfig_projbuild "${__KCONFIG_PROJBUILD}")
set(__component_registered 1)
return()
endmacro()
macro(register_component)
set(__component_requires "${COMPONENT_REQUIRES}")
set(__component_priv_requires "${COMPONENT_PRIV_REQUIRES}")
set(__component_registered 1)
return()
endmacro()
macro(register_config_only_component)
register_component()
endmacro()
idf_build_get_property(__common_reqs __COMPONENT_REQUIRES_COMMON)
idf_build_get_property(__component_targets __COMPONENT_TARGETS)
function(__component_get_requirements)
# This is in a function (separate variable context) so that variables declared
# and set by the included CMakeLists.txt does not bleed into the next inclusion.
# We are only interested in the public and private requirements of components
__component_get_property(__component_dir ${__component_target} COMPONENT_DIR)
__component_get_property(__component_name ${__component_target} COMPONENT_NAME)
set(COMPONENT_NAME ${__component_name})
set(COMPONENT_DIR ${__component_dir})
set(COMPONENT_PATH ${__component_dir}) # for backward compatibility only, COMPONENT_DIR is preferred
include(${__component_dir}/CMakeLists.txt OPTIONAL)
spaces2list(__component_requires)
spaces2list(__component_priv_requires)
set(__component_requires "${__component_requires}" PARENT_SCOPE)
set(__component_priv_requires "${__component_priv_requires}" PARENT_SCOPE)
set(__component_kconfig "${__component_kconfig}" PARENT_SCOPE)
set(__component_kconfig_projbuild "${__component_kconfig_projbuild}" PARENT_SCOPE)
set(__component_registered ${__component_registered} PARENT_SCOPE)
endfunction()
set(CMAKE_BUILD_EARLY_EXPANSION 1)
foreach(__component_target ${__component_targets})
set(__component_requires "")
set(__component_priv_requires "")
set(__component_registered 0)
__component_get_requirements()
list(APPEND __component_requires "${__common_reqs}")
# Remove duplicates and the component itself from its requirements
__component_get_property(__component_alias ${__component_target} COMPONENT_ALIAS)
__component_get_property(__component_name ${__component_target} COMPONENT_NAME)
# Prevent component from linking to itself.
if(__component_requires)
list(REMOVE_DUPLICATES __component_requires)
list(REMOVE_ITEM __component_requires ${__component_alias} ${__component_name})
endif()
if(__component_priv_requires)
list(REMOVE_DUPLICATES __component_priv_requires)
list(REMOVE_ITEM __component_priv_requires ${__component_alias} ${__component_name})
endif()
set(__contents
"__component_set_property(${__component_target} REQUIRES \"${__component_requires}\")
__component_set_property(${__component_target} PRIV_REQUIRES \"${__component_priv_requires}\")
__component_set_property(${__component_target} __COMPONENT_REGISTERED ${__component_registered})"
)
if(__component_kconfig)
get_filename_component(__component_kconfig "${__component_kconfig}" ABSOLUTE)
set(__contents
"${__contents}\n__component_set_property(${__component_target} KCONFIG \"${__component_kconfig}\")"
)
endif()
if(__component_kconfig_projbuild)
get_filename_component(__component_kconfig "${__component_kconfig}" ABSOLUTE)
set(__contents
"${__contents}\n__component_set_property(${__component_target} KCONFIG_PROJBUILD \"${__component_kconfig_projbuild}\")"
)
endif()
set(__component_requires_contents "${__component_requires_contents}\n${__contents}")
endforeach()
file(WRITE ${COMPONENT_REQUIRES_FILE} "${__component_requires_contents}")