263 lines
8.4 KiB
CMake
263 lines
8.4 KiB
CMake
# SPDX-License-Identifier: Apache-2.0
|
|
|
|
# Folders needed for conf/mconf files (kconfig has no method of redirecting all output files).
|
|
# conf/mconf needs to be run from a different directory because of: GH-3408
|
|
file(MAKE_DIRECTORY ${PROJECT_BINARY_DIR}/kconfig/include/generated)
|
|
file(MAKE_DIRECTORY ${PROJECT_BINARY_DIR}/kconfig/include/config)
|
|
|
|
if(KCONFIG_ROOT)
|
|
# KCONFIG_ROOT has either been specified as a CMake variable or is
|
|
# already in the CMakeCache.txt. This has precedence.
|
|
elseif(EXISTS ${APPLICATION_SOURCE_DIR}/Kconfig)
|
|
set(KCONFIG_ROOT ${APPLICATION_SOURCE_DIR}/Kconfig)
|
|
else()
|
|
set(KCONFIG_ROOT ${ZEPHYR_BASE}/Kconfig)
|
|
endif()
|
|
|
|
set(BOARD_DEFCONFIG ${BOARD_DIR}/${BOARD}_defconfig)
|
|
set(DOTCONFIG ${PROJECT_BINARY_DIR}/.config)
|
|
set(PARSED_KCONFIG_SOURCES_TXT ${PROJECT_BINARY_DIR}/kconfig/sources.txt)
|
|
|
|
if(CONF_FILE)
|
|
string(REPLACE " " ";" CONF_FILE_AS_LIST "${CONF_FILE}")
|
|
endif()
|
|
|
|
if(OVERLAY_CONFIG)
|
|
string(REPLACE " " ";" OVERLAY_CONFIG_AS_LIST "${OVERLAY_CONFIG}")
|
|
endif()
|
|
|
|
# DTS_ROOT_BINDINGS is a semicolon separated list, this causes
|
|
# problems when invoking kconfig_target since semicolon is a special
|
|
# character in the C shell, so we make it into a question-mark
|
|
# separated list instead.
|
|
string(REPLACE ";" "?" DTS_ROOT_BINDINGS "${DTS_ROOT_BINDINGS}")
|
|
|
|
set(ENV{srctree} ${ZEPHYR_BASE})
|
|
set(ENV{KERNELVERSION} ${KERNELVERSION})
|
|
set(ENV{KCONFIG_CONFIG} ${DOTCONFIG})
|
|
set(ENV{PYTHON_EXECUTABLE} ${PYTHON_EXECUTABLE})
|
|
|
|
# Set environment variables so that Kconfig can prune Kconfig source
|
|
# files for other architectures
|
|
set(ENV{ARCH} ${ARCH})
|
|
set(ENV{BOARD_DIR} ${BOARD_DIR})
|
|
set(ENV{SOC_DIR} ${SOC_DIR})
|
|
set(ENV{SHIELD_AS_LIST} "${SHIELD_AS_LIST}")
|
|
set(ENV{CMAKE_BINARY_DIR} ${CMAKE_BINARY_DIR})
|
|
set(ENV{ARCH_DIR} ${ARCH_DIR})
|
|
set(ENV{DEVICETREE_CONF} ${DEVICETREE_CONF})
|
|
set(ENV{DTS_POST_CPP} ${DTS_POST_CPP})
|
|
set(ENV{DTS_ROOT_BINDINGS} "${DTS_ROOT_BINDINGS}")
|
|
set(ENV{TOOLCHAIN_KCONFIG_DIR} "${TOOLCHAIN_KCONFIG_DIR}")
|
|
|
|
# Allow out-of-tree users to add their own Kconfig python frontend
|
|
# targets by appending targets to the CMake list
|
|
# 'EXTRA_KCONFIG_TARGETS' and setting variables named
|
|
# 'EXTRA_KCONFIG_TARGET_COMMAND_FOR_<target>'
|
|
#
|
|
# e.g.
|
|
# cmake -DEXTRA_KCONFIG_TARGETS=cli
|
|
# -DEXTRA_KCONFIG_TARGET_COMMAND_FOR_cli=cli_kconfig_frontend.py
|
|
|
|
set(EXTRA_KCONFIG_TARGET_COMMAND_FOR_menuconfig
|
|
${ZEPHYR_BASE}/scripts/kconfig/menuconfig.py
|
|
)
|
|
|
|
set(EXTRA_KCONFIG_TARGET_COMMAND_FOR_guiconfig
|
|
${ZEPHYR_BASE}/scripts/kconfig/guiconfig.py
|
|
)
|
|
|
|
set(EXTRA_KCONFIG_TARGET_COMMAND_FOR_hardenconfig
|
|
${ZEPHYR_BASE}/scripts/kconfig/hardenconfig.py
|
|
)
|
|
|
|
foreach(kconfig_target
|
|
menuconfig
|
|
guiconfig
|
|
hardenconfig
|
|
${EXTRA_KCONFIG_TARGETS}
|
|
)
|
|
add_custom_target(
|
|
${kconfig_target}
|
|
${CMAKE_COMMAND} -E env
|
|
PYTHON_EXECUTABLE=${PYTHON_EXECUTABLE}
|
|
srctree=${ZEPHYR_BASE}
|
|
KERNELVERSION=${KERNELVERSION}
|
|
ZEPHYR_BASE=${ZEPHYR_BASE}
|
|
KCONFIG_CONFIG=${DOTCONFIG}
|
|
ARCH=$ENV{ARCH}
|
|
BOARD_DIR=$ENV{BOARD_DIR}
|
|
SOC_DIR=$ENV{SOC_DIR}
|
|
SHIELD_AS_LIST=$ENV{SHIELD_AS_LIST}
|
|
CMAKE_BINARY_DIR=$ENV{CMAKE_BINARY_DIR}
|
|
ZEPHYR_TOOLCHAIN_VARIANT=${ZEPHYR_TOOLCHAIN_VARIANT}
|
|
TOOLCHAIN_KCONFIG_DIR=${TOOLCHAIN_KCONFIG_DIR}
|
|
ARCH_DIR=$ENV{ARCH_DIR}
|
|
DEVICETREE_CONF=${DEVICETREE_CONF}
|
|
DTS_POST_CPP=${DTS_POST_CPP}
|
|
DTS_ROOT_BINDINGS=${DTS_ROOT_BINDINGS}
|
|
${PYTHON_EXECUTABLE}
|
|
${EXTRA_KCONFIG_TARGET_COMMAND_FOR_${kconfig_target}}
|
|
${KCONFIG_ROOT}
|
|
WORKING_DIRECTORY ${PROJECT_BINARY_DIR}/kconfig
|
|
USES_TERMINAL
|
|
)
|
|
endforeach()
|
|
|
|
# Support assigning Kconfig symbols on the command-line with CMake
|
|
# cache variables prefixed with 'CONFIG_'. This feature is
|
|
# experimental and undocumented until it has undergone more
|
|
# user-testing.
|
|
unset(EXTRA_KCONFIG_OPTIONS)
|
|
get_cmake_property(cache_variable_names CACHE_VARIABLES)
|
|
foreach (name ${cache_variable_names})
|
|
if("${name}" MATCHES "^CONFIG_")
|
|
# When a cache variable starts with 'CONFIG_', it is assumed to be
|
|
# a Kconfig symbol assignment from the CMake command line.
|
|
set(EXTRA_KCONFIG_OPTIONS
|
|
"${EXTRA_KCONFIG_OPTIONS}\n${name}=${${name}}"
|
|
)
|
|
endif()
|
|
endforeach()
|
|
|
|
if(EXTRA_KCONFIG_OPTIONS)
|
|
set(EXTRA_KCONFIG_OPTIONS_FILE ${PROJECT_BINARY_DIR}/misc/generated/extra_kconfig_options.conf)
|
|
file(WRITE
|
|
${EXTRA_KCONFIG_OPTIONS_FILE}
|
|
${EXTRA_KCONFIG_OPTIONS}
|
|
)
|
|
endif()
|
|
|
|
# Bring in extra configuration files dropped in by the user or anyone else;
|
|
# make sure they are set at the end so we can override any other setting
|
|
file(GLOB config_files ${APPLICATION_BINARY_DIR}/*.conf)
|
|
list(SORT config_files)
|
|
set(
|
|
merge_config_files
|
|
${BOARD_DEFCONFIG}
|
|
${CONF_FILE_AS_LIST}
|
|
${shield_conf_files}
|
|
${OVERLAY_CONFIG_AS_LIST}
|
|
${EXTRA_KCONFIG_OPTIONS_FILE}
|
|
${config_files}
|
|
)
|
|
|
|
# Create a list of absolute paths to the .config sources from
|
|
# merge_config_files, which is a mix of absolute and relative paths.
|
|
set(merge_config_files_with_absolute_paths "")
|
|
foreach(f ${merge_config_files})
|
|
if(IS_ABSOLUTE ${f})
|
|
set(path ${f})
|
|
else()
|
|
set(path ${APPLICATION_SOURCE_DIR}/${f})
|
|
endif()
|
|
|
|
list(APPEND merge_config_files_with_absolute_paths ${path})
|
|
endforeach()
|
|
|
|
foreach(f ${merge_config_files_with_absolute_paths})
|
|
if(NOT EXISTS ${f} OR IS_DIRECTORY ${f})
|
|
message(FATAL_ERROR "File not found: ${f}")
|
|
endif()
|
|
endforeach()
|
|
|
|
# Calculate a checksum of merge_config_files to determine if we need
|
|
# to re-generate .config
|
|
set(merge_config_files_checksum "")
|
|
foreach(f ${merge_config_files_with_absolute_paths})
|
|
file(MD5 ${f} checksum)
|
|
set(merge_config_files_checksum "${merge_config_files_checksum}${checksum}")
|
|
endforeach()
|
|
|
|
# Create a new .config if it does not exists, or if the checksum of
|
|
# the dependencies has changed
|
|
set(merge_config_files_checksum_file ${PROJECT_BINARY_DIR}/.cmake.dotconfig.checksum)
|
|
set(CREATE_NEW_DOTCONFIG 1)
|
|
# Check if the checksum file exists too before trying to open it, though it
|
|
# should under normal circumstances
|
|
if(EXISTS ${DOTCONFIG} AND EXISTS ${merge_config_files_checksum_file})
|
|
# Read out what the checksum was previously
|
|
file(READ
|
|
${merge_config_files_checksum_file}
|
|
merge_config_files_checksum_prev
|
|
)
|
|
if(
|
|
${merge_config_files_checksum} STREQUAL
|
|
${merge_config_files_checksum_prev}
|
|
)
|
|
# Checksum is the same as before
|
|
set(CREATE_NEW_DOTCONFIG 0)
|
|
endif()
|
|
endif()
|
|
|
|
if(CREATE_NEW_DOTCONFIG)
|
|
set(input_configs_are_handwritten --handwritten-input-configs)
|
|
set(input_configs ${merge_config_files})
|
|
else()
|
|
set(input_configs ${DOTCONFIG})
|
|
endif()
|
|
|
|
execute_process(
|
|
COMMAND
|
|
${PYTHON_EXECUTABLE}
|
|
${ZEPHYR_BASE}/scripts/kconfig/kconfig.py
|
|
--zephyr-base=${ZEPHYR_BASE}
|
|
${input_configs_are_handwritten}
|
|
${KCONFIG_ROOT}
|
|
${DOTCONFIG}
|
|
${AUTOCONF_H}
|
|
${PARSED_KCONFIG_SOURCES_TXT}
|
|
${input_configs}
|
|
WORKING_DIRECTORY ${APPLICATION_SOURCE_DIR}
|
|
# The working directory is set to the app dir such that the user
|
|
# can use relative paths in CONF_FILE, e.g. CONF_FILE=nrf5.conf
|
|
RESULT_VARIABLE ret
|
|
)
|
|
if(NOT "${ret}" STREQUAL "0")
|
|
message(FATAL_ERROR "command failed with return code: ${ret}")
|
|
endif()
|
|
|
|
if(CREATE_NEW_DOTCONFIG)
|
|
# Write the new configuration fragment checksum. Only do this if kconfig.py
|
|
# succeeds, to avoid marking zephyr/.config as up-to-date when it hasn't been
|
|
# regenerated.
|
|
file(WRITE ${merge_config_files_checksum_file}
|
|
${merge_config_files_checksum})
|
|
endif()
|
|
|
|
# Read out the list of 'Kconfig' sources that were used by the engine.
|
|
file(STRINGS ${PARSED_KCONFIG_SOURCES_TXT} PARSED_KCONFIG_SOURCES_LIST)
|
|
|
|
# Force CMAKE configure when the Kconfig sources or configuration files changes.
|
|
foreach(kconfig_input
|
|
${merge_config_files}
|
|
${DOTCONFIG}
|
|
${PARSED_KCONFIG_SOURCES_LIST}
|
|
)
|
|
set_property(DIRECTORY APPEND PROPERTY CMAKE_CONFIGURE_DEPENDS ${kconfig_input})
|
|
endforeach()
|
|
|
|
add_custom_target(config-sanitycheck DEPENDS ${DOTCONFIG})
|
|
|
|
# Remove the CLI Kconfig symbols from the namespace and
|
|
# CMakeCache.txt. If the symbols end up in DOTCONFIG they will be
|
|
# re-introduced to the namespace through 'import_kconfig'.
|
|
foreach (name ${cache_variable_names})
|
|
if("${name}" MATCHES "^CONFIG_")
|
|
unset(${name})
|
|
unset(${name} CACHE)
|
|
endif()
|
|
endforeach()
|
|
|
|
# Parse the lines prefixed with CONFIG_ in the .config file from Kconfig
|
|
import_kconfig(CONFIG_ ${DOTCONFIG})
|
|
|
|
# Re-introduce the CLI Kconfig symbols that survived
|
|
foreach (name ${cache_variable_names})
|
|
if("${name}" MATCHES "^CONFIG_")
|
|
if(DEFINED ${name})
|
|
set(${name} ${${name}} CACHE STRING "")
|
|
endif()
|
|
endif()
|
|
endforeach()
|