451 lines
15 KiB
CMake
451 lines
15 KiB
CMake
# SPDX-License-Identifier: Apache-2.0
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include_guard(GLOBAL)
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include(extensions)
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include(python)
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# autoconf.h is generated by Kconfig and placed in
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# <build>/zephyr/include/generated/autoconf.h.
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# A project may request a custom location by setting AUTOCONF_H explicitly before
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# calling 'find_package(Zephyr)' or loading this module.
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set_ifndef(AUTOCONF_H ${PROJECT_BINARY_DIR}/include/generated/zephyr/autoconf.h)
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# Re-configure (Re-execute all CMakeLists.txt code) when autoconf.h changes
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set_property(DIRECTORY APPEND PROPERTY CMAKE_CONFIGURE_DEPENDS ${AUTOCONF_H})
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# Folders needed for conf/mconf files (kconfig has no method of redirecting all output files).
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# conf/mconf needs to be run from a different directory because of: GH-3408
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file(MAKE_DIRECTORY ${PROJECT_BINARY_DIR}/kconfig/include/generated)
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file(MAKE_DIRECTORY ${PROJECT_BINARY_DIR}/kconfig/include/config)
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set_ifndef(KCONFIG_NAMESPACE "CONFIG")
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set_ifndef(KCONFIG_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR}/Kconfig)
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file(MAKE_DIRECTORY ${KCONFIG_BINARY_DIR})
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if(HWMv1)
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# Support multiple SOC_ROOT
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file(MAKE_DIRECTORY ${KCONFIG_BINARY_DIR}/soc)
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set(kconfig_soc_root ${SOC_ROOT})
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list(REMOVE_ITEM kconfig_soc_root ${ZEPHYR_BASE})
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set(soc_defconfig_file ${KCONFIG_BINARY_DIR}/soc/Kconfig.defconfig)
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set(OPERATION WRITE)
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foreach(root ${kconfig_soc_root})
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file(APPEND ${soc_defconfig_file}
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"osource \"${root}/soc/$(ARCH)/*/Kconfig.defconfig\"\n")
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file(${OPERATION} ${KCONFIG_BINARY_DIR}/soc/Kconfig.soc.choice
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"osource \"${root}/soc/$(ARCH)/*/Kconfig.soc\"\n"
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)
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file(${OPERATION} ${KCONFIG_BINARY_DIR}/soc/Kconfig.soc.arch
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"osource \"${root}/soc/$(ARCH)/Kconfig\"\n"
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"osource \"${root}/soc/$(ARCH)/*/Kconfig\"\n"
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)
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set(OPERATION APPEND)
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endforeach()
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endif()
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# Support multiple shields in BOARD_ROOT, remove ZEPHYR_BASE as that is always sourced.
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set(kconfig_board_root ${BOARD_ROOT})
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list(REMOVE_ITEM kconfig_board_root ${ZEPHYR_BASE})
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set(OPERATION WRITE)
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foreach(root ${kconfig_board_root})
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file(${OPERATION} ${KCONFIG_BINARY_DIR}/Kconfig.shield.defconfig
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"osource \"${root}/boards/shields/*/Kconfig.defconfig\"\n"
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)
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file(${OPERATION} ${KCONFIG_BINARY_DIR}/Kconfig.shield
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"osource \"${root}/boards/shields/*/Kconfig.shield\"\n"
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)
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set(OPERATION APPEND)
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endforeach()
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if(KCONFIG_ROOT)
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# Perform any variable substitutions if they are present
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string(CONFIGURE "${KCONFIG_ROOT}" KCONFIG_ROOT)
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zephyr_file(APPLICATION_ROOT KCONFIG_ROOT)
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# KCONFIG_ROOT has either been specified as a CMake variable or is
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# already in the CMakeCache.txt. This has precedence.
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elseif(EXISTS ${APPLICATION_SOURCE_DIR}/Kconfig)
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set(KCONFIG_ROOT ${APPLICATION_SOURCE_DIR}/Kconfig)
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else()
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set(KCONFIG_ROOT ${ZEPHYR_BASE}/Kconfig)
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endif()
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if(NOT DEFINED BOARD_DEFCONFIG)
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zephyr_file(CONF_FILES ${BOARD_DIR} DEFCONFIG BOARD_DEFCONFIG)
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endif()
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if(DEFINED BOARD_REVISION)
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zephyr_build_string(config_board_string
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BOARD ${BOARD}
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BOARD_QUALIFIERS ${BOARD_QUALIFIERS}
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BOARD_REVISION ${BOARD_REVISION}
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)
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set(board_rev_file ${config_board_string})
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if(EXISTS ${BOARD_DIR}/${board_rev_file}.conf)
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message(DEPRECATION "Use of '${board_rev_file}.conf' is deprecated, please switch to '${board_rev_file}_defconfig'")
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set_ifndef(BOARD_REVISION_CONFIG ${BOARD_DIR}/${board_rev_file}.conf)
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endif()
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endif()
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set(DOTCONFIG ${PROJECT_BINARY_DIR}/.config)
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set(PARSED_KCONFIG_SOURCES_TXT ${PROJECT_BINARY_DIR}/kconfig/sources.txt)
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if(CONF_FILE)
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string(CONFIGURE "${CONF_FILE}" CONF_FILE_EXPANDED)
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string(REPLACE " " ";" CONF_FILE_AS_LIST "${CONF_FILE_EXPANDED}")
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endif()
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if(EXTRA_CONF_FILE)
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string(CONFIGURE "${EXTRA_CONF_FILE}" EXTRA_CONF_FILE_EXPANDED)
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string(REPLACE " " ";" EXTRA_CONF_FILE_AS_LIST "${EXTRA_CONF_FILE_EXPANDED}")
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endif()
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zephyr_file(CONF_FILES ${BOARD_EXTENSION_DIRS} KCONF board_extension_conf_files SUFFIX ${FILE_SUFFIX})
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# DTS_ROOT_BINDINGS is a semicolon separated list, this causes
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# problems when invoking kconfig_target since semicolon is a special
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# character in the C shell, so we make it into a question-mark
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# separated list instead.
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string(REPLACE ";" "?" DTS_ROOT_BINDINGS "${DTS_ROOT_BINDINGS}")
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# Export each `ZEPHYR_<module>_MODULE_DIR` to Kconfig.
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# This allows Kconfig files to refer relative from a modules root as:
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# source "$(ZEPHYR_FOO_MODULE_DIR)/Kconfig"
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foreach(module_name ${ZEPHYR_MODULE_NAMES})
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zephyr_string(SANITIZE TOUPPER MODULE_NAME_UPPER ${module_name})
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list(APPEND
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ZEPHYR_KCONFIG_MODULES_DIR
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"ZEPHYR_${MODULE_NAME_UPPER}_MODULE_DIR=${ZEPHYR_${MODULE_NAME_UPPER}_MODULE_DIR}"
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)
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if(ZEPHYR_${MODULE_NAME_UPPER}_KCONFIG)
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list(APPEND
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ZEPHYR_KCONFIG_MODULES_DIR
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"ZEPHYR_${MODULE_NAME_UPPER}_KCONFIG=${ZEPHYR_${MODULE_NAME_UPPER}_KCONFIG}"
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)
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endif()
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endforeach()
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# A list of common environment settings used when invoking Kconfig during CMake
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# configure time or menuconfig and related build target.
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string(REPLACE ";" "\\\;" SHIELD_AS_LIST_ESCAPED "${SHIELD_AS_LIST}")
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# cmake commands are escaped differently
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string(REPLACE ";" "\\;" SHIELD_AS_LIST_ESCAPED_COMMAND "${SHIELD_AS_LIST}")
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if(TOOLCHAIN_HAS_NEWLIB)
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set(_local_TOOLCHAIN_HAS_NEWLIB y)
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else()
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set(_local_TOOLCHAIN_HAS_NEWLIB n)
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endif()
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if(TOOLCHAIN_HAS_PICOLIBC)
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set(_local_TOOLCHAIN_HAS_PICOLIBC y)
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else()
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set(_local_TOOLCHAIN_HAS_PICOLIBC n)
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endif()
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set(COMMON_KCONFIG_ENV_SETTINGS
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PYTHON_EXECUTABLE=${PYTHON_EXECUTABLE}
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srctree=${ZEPHYR_BASE}
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KERNELVERSION=${KERNELVERSION}
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APPVERSION=${APP_VERSION_STRING}
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APP_VERSION_EXTENDED_STRING=${APP_VERSION_EXTENDED_STRING}
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APP_VERSION_TWEAK_STRING=${APP_VERSION_TWEAK_STRING}
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CONFIG_=${KCONFIG_NAMESPACE}_
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KCONFIG_CONFIG=${DOTCONFIG}
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BOARD_DIR=${BOARD_DIR}
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BOARD=${BOARD}
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BOARD_REVISION=${BOARD_REVISION}
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BOARD_QUALIFIERS=${BOARD_QUALIFIERS}
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HWM_SCHEME=${HWM}
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KCONFIG_BINARY_DIR=${KCONFIG_BINARY_DIR}
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APPLICATION_SOURCE_DIR=${APPLICATION_SOURCE_DIR}
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ZEPHYR_TOOLCHAIN_VARIANT=${ZEPHYR_TOOLCHAIN_VARIANT}
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TOOLCHAIN_KCONFIG_DIR=${TOOLCHAIN_KCONFIG_DIR}
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TOOLCHAIN_HAS_NEWLIB=${_local_TOOLCHAIN_HAS_NEWLIB}
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TOOLCHAIN_HAS_PICOLIBC=${_local_TOOLCHAIN_HAS_PICOLIBC}
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EDT_PICKLE=${EDT_PICKLE}
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# Export all Zephyr modules to Kconfig
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${ZEPHYR_KCONFIG_MODULES_DIR}
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)
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if(HWMv1)
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list(APPEND COMMON_KCONFIG_ENV_SETTINGS
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ARCH=${ARCH}
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ARCH_DIR=${ARCH_DIR}
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)
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else()
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# For HWMv2 we should in future generate a Kconfig.arch.v2 which instead
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# glob-sources all arch roots, but for Zephyr itself, the current approach is
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# sufficient.
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list(APPEND COMMON_KCONFIG_ENV_SETTINGS
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ARCH=*
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ARCH_DIR=${ZEPHYR_BASE}/arch
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)
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endif()
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# Allow out-of-tree users to add their own Kconfig python frontend
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# targets by appending targets to the CMake list
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# 'EXTRA_KCONFIG_TARGETS' and setting variables named
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# 'EXTRA_KCONFIG_TARGET_COMMAND_FOR_<target>'
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#
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# e.g.
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# cmake -DEXTRA_KCONFIG_TARGETS=cli
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# -DEXTRA_KCONFIG_TARGET_COMMAND_FOR_cli=cli_kconfig_frontend.py
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set(EXTRA_KCONFIG_TARGET_COMMAND_FOR_menuconfig
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${ZEPHYR_BASE}/scripts/kconfig/menuconfig.py
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)
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set(EXTRA_KCONFIG_TARGET_COMMAND_FOR_guiconfig
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${ZEPHYR_BASE}/scripts/kconfig/guiconfig.py
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)
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set(EXTRA_KCONFIG_TARGET_COMMAND_FOR_hardenconfig
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${ZEPHYR_BASE}/scripts/kconfig/hardenconfig.py
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)
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set_ifndef(KCONFIG_TARGETS menuconfig guiconfig hardenconfig)
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foreach(kconfig_target
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${KCONFIG_TARGETS}
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${EXTRA_KCONFIG_TARGETS}
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)
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add_custom_target(
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${kconfig_target}
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${CMAKE_COMMAND} -E env
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ZEPHYR_BASE=${ZEPHYR_BASE}
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${COMMON_KCONFIG_ENV_SETTINGS}
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"SHIELD_AS_LIST=${SHIELD_AS_LIST_ESCAPED}"
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DTS_POST_CPP=${DTS_POST_CPP}
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DTS_ROOT_BINDINGS=${DTS_ROOT_BINDINGS}
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${PYTHON_EXECUTABLE}
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${EXTRA_KCONFIG_TARGET_COMMAND_FOR_${kconfig_target}}
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${KCONFIG_ROOT}
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WORKING_DIRECTORY ${PROJECT_BINARY_DIR}/kconfig
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USES_TERMINAL
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COMMAND_EXPAND_LISTS
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)
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endforeach()
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# Support assigning Kconfig symbols on the command-line with CMake
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# cache variables prefixed according to the Kconfig namespace.
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# This feature is experimental and undocumented until it has undergone more
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# user-testing.
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unset(EXTRA_KCONFIG_OPTIONS)
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if(SYSBUILD)
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get_property(sysbuild_variable_names TARGET sysbuild_cache PROPERTY "SYSBUILD_CACHE:VARIABLES")
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zephyr_get(SYSBUILD_MAIN_APP)
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zephyr_get(SYSBUILD_NAME)
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foreach (name ${sysbuild_variable_names})
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if("${name}" MATCHES "^${SYSBUILD_NAME}_${KCONFIG_NAMESPACE}_")
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string(REGEX REPLACE "^${SYSBUILD_NAME}_" "" org_name ${name})
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get_property(${org_name} TARGET sysbuild_cache PROPERTY ${name})
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list(APPEND cache_variable_names ${org_name})
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elseif(SYSBUILD_MAIN_APP AND "${name}" MATCHES "^${KCONFIG_NAMESPACE}_")
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get_property(${name} TARGET sysbuild_cache PROPERTY ${name})
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list(APPEND cache_variable_names ${name})
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endif()
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endforeach()
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else()
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get_cmake_property(cache_variable_names CACHE_VARIABLES)
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list(FILTER cache_variable_names INCLUDE REGEX "^(CLI_)?${KCONFIG_NAMESPACE}_")
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list(TRANSFORM cache_variable_names REPLACE "^CLI_" "")
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list(REMOVE_DUPLICATES cache_variable_names)
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endif()
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# Sorting the variable names will make checksum calculation more stable.
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list(SORT cache_variable_names)
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foreach (name ${cache_variable_names})
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if(DEFINED ${name})
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# When a cache variable starts with the 'KCONFIG_NAMESPACE' value, it is
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# assumed to be a Kconfig symbol assignment from the CMake command line.
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set(EXTRA_KCONFIG_OPTIONS
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"${EXTRA_KCONFIG_OPTIONS}\n${name}=${${name}}"
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)
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set(CLI_${name} "${${name}}")
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list(APPEND cli_config_list ${name})
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elseif(DEFINED CLI_${name})
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# An additional 'CLI_' prefix means that the value was set by the user in
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# an earlier invocation. Append it to extra config only if no new value was
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# assigned above.
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set(EXTRA_KCONFIG_OPTIONS
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"${EXTRA_KCONFIG_OPTIONS}\n${name}=${CLI_${name}}"
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)
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endif()
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endforeach()
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if(EXTRA_KCONFIG_OPTIONS)
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set(EXTRA_KCONFIG_OPTIONS_FILE ${PROJECT_BINARY_DIR}/misc/generated/extra_kconfig_options.conf)
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file(WRITE
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${EXTRA_KCONFIG_OPTIONS_FILE}
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${EXTRA_KCONFIG_OPTIONS}
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)
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endif()
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# Bring in extra configuration files dropped in by the user or anyone else;
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# make sure they are set at the end so we can override any other setting
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file(GLOB config_files ${APPLICATION_BINARY_DIR}/*.conf)
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list(SORT config_files)
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set(
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merge_config_files
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${BOARD_DEFCONFIG}
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${BOARD_REVISION_CONFIG}
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${board_extension_conf_files}
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${CONF_FILE_AS_LIST}
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${shield_conf_files}
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${EXTRA_CONF_FILE_AS_LIST}
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${EXTRA_KCONFIG_OPTIONS_FILE}
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${config_files}
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)
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# Create a list of absolute paths to the .config sources from
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# merge_config_files, which is a mix of absolute and relative paths.
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set(merge_config_files_with_absolute_paths "")
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foreach(f ${merge_config_files})
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if(IS_ABSOLUTE ${f})
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set(path ${f})
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else()
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set(path ${APPLICATION_CONFIG_DIR}/${f})
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endif()
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list(APPEND merge_config_files_with_absolute_paths ${path})
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endforeach()
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set(merge_config_files ${merge_config_files_with_absolute_paths})
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foreach(f ${merge_config_files})
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if(NOT EXISTS ${f} OR IS_DIRECTORY ${f})
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message(FATAL_ERROR "File not found: ${f}")
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endif()
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endforeach()
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# Calculate a checksum of merge_config_files to determine if we need
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# to re-generate .config
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set(merge_config_files_checksum "")
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foreach(f ${merge_config_files})
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file(MD5 ${f} checksum)
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set(merge_config_files_checksum "${merge_config_files_checksum}${checksum}")
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endforeach()
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# Create a new .config if it does not exists, or if the checksum of
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# the dependencies has changed
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set(merge_config_files_checksum_file ${PROJECT_BINARY_DIR}/.cmake.dotconfig.checksum)
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set(CREATE_NEW_DOTCONFIG 1)
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# Check if the checksum file exists too before trying to open it, though it
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# should under normal circumstances
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if(EXISTS ${DOTCONFIG} AND EXISTS ${merge_config_files_checksum_file})
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# Read out what the checksum was previously
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file(READ
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${merge_config_files_checksum_file}
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merge_config_files_checksum_prev
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)
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if(
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${merge_config_files_checksum} STREQUAL
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${merge_config_files_checksum_prev}
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)
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# Checksum is the same as before
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set(CREATE_NEW_DOTCONFIG 0)
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endif()
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endif()
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if(CREATE_NEW_DOTCONFIG)
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set(input_configs_flags --handwritten-input-configs)
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set(input_configs ${merge_config_files} ${FORCED_CONF_FILE})
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else()
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set(input_configs ${DOTCONFIG} ${FORCED_CONF_FILE})
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endif()
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if(DEFINED FORCED_CONF_FILE)
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list(APPEND input_configs_flags --forced-input-configs)
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endif()
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cmake_path(GET AUTOCONF_H PARENT_PATH autoconf_h_path)
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if(NOT EXISTS ${autoconf_h_path})
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file(MAKE_DIRECTORY ${autoconf_h_path})
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endif()
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execute_process(
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COMMAND ${CMAKE_COMMAND} -E env
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${COMMON_KCONFIG_ENV_SETTINGS}
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SHIELD_AS_LIST=${SHIELD_AS_LIST_ESCAPED_COMMAND}
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${PYTHON_EXECUTABLE}
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${ZEPHYR_BASE}/scripts/kconfig/kconfig.py
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--zephyr-base=${ZEPHYR_BASE}
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${input_configs_flags}
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${KCONFIG_ROOT}
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${DOTCONFIG}
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${AUTOCONF_H}
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${PARSED_KCONFIG_SOURCES_TXT}
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${input_configs}
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WORKING_DIRECTORY ${APPLICATION_SOURCE_DIR}
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# The working directory is set to the app dir such that the user
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# can use relative paths in CONF_FILE, e.g. CONF_FILE=nrf5.conf
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RESULT_VARIABLE ret
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)
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if(NOT "${ret}" STREQUAL "0")
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message(FATAL_ERROR "command failed with return code: ${ret}")
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endif()
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if(CREATE_NEW_DOTCONFIG)
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# Write the new configuration fragment checksum. Only do this if kconfig.py
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# succeeds, to avoid marking zephyr/.config as up-to-date when it hasn't been
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# regenerated.
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file(WRITE ${merge_config_files_checksum_file}
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${merge_config_files_checksum})
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endif()
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# Read out the list of 'Kconfig' sources that were used by the engine.
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file(STRINGS ${PARSED_KCONFIG_SOURCES_TXT} PARSED_KCONFIG_SOURCES_LIST ENCODING UTF-8)
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# Force CMAKE configure when the Kconfig sources or configuration files changes.
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foreach(kconfig_input
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${merge_config_files}
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${DOTCONFIG}
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${PARSED_KCONFIG_SOURCES_LIST}
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)
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set_property(DIRECTORY APPEND PROPERTY CMAKE_CONFIGURE_DEPENDS ${kconfig_input})
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endforeach()
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add_custom_target(config-twister DEPENDS ${DOTCONFIG})
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# Remove the CLI Kconfig symbols from the namespace and
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# CMakeCache.txt. If the symbols end up in DOTCONFIG they will be
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# re-introduced to the namespace through 'import_kconfig'.
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foreach (name ${cli_config_list})
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unset(${name})
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unset(${name} CACHE)
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endforeach()
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# Before importing the symbol values from DOTCONFIG, process the CLI values by
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# re-importing them from EXTRA_KCONFIG_OPTIONS_FILE. Later, we want to compare
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# the values from both files, and 'import_kconfig' will make this easier.
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if(EXTRA_KCONFIG_OPTIONS_FILE)
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import_kconfig(${KCONFIG_NAMESPACE} ${EXTRA_KCONFIG_OPTIONS_FILE})
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foreach (name ${cache_variable_names})
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if(DEFINED ${name})
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set(temp_${name} "${${name}}")
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unset(${name})
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endif()
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endforeach()
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endif()
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# Import the .config file and make all settings available in CMake processing.
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import_kconfig(${KCONFIG_NAMESPACE} ${DOTCONFIG})
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# Cache the CLI Kconfig symbols that survived through Kconfig, prefixed with CLI_.
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# Remove those who might have changed compared to earlier runs, if they no longer appears.
|
|
foreach (name ${cache_variable_names})
|
|
# Note: "${CLI_${name}}" is the verbatim value of ${name} from command-line,
|
|
# while "${temp_${name}}" is the same value processed by 'import_kconfig'.
|
|
if(((NOT DEFINED ${name}) AND (NOT DEFINED temp_${name})) OR
|
|
((DEFINED ${name}) AND (DEFINED temp_${name}) AND (${name} STREQUAL temp_${name})))
|
|
set(CLI_${name} ${CLI_${name}} CACHE INTERNAL "")
|
|
else()
|
|
unset(CLI_${name} CACHE)
|
|
endif()
|
|
unset(temp_${name})
|
|
endforeach()
|