94 lines
3.3 KiB
CMake
94 lines
3.3 KiB
CMake
# This cmake file provides functionality to import additional out-of-tree, OoT
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# CMakeLists.txt and Kconfig files into Zephyr build system.
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# It uses -DZEPHYR_MODULES=<oot-path-to-module>[;<additional-oot-module(s)>]
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# given to CMake for a list of folders to search.
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# It looks for: <oot-module>/zephyr/module.yml or
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# <oot-module>/zephyr/CMakeLists.txt
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# to load the oot-module into Zephyr build system.
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# If west is available, it uses `west list` to obtain a list of projects to
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# search for zephyr/module.yml
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if(ZEPHYR_MODULES)
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set(west_project_list ${ZEPHYR_MODULES})
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elseif(WEST)
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## Use `west list` to fetch all west handled projects.
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execute_process(
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COMMAND
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${WEST} list --format={posixpath}
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OUTPUT_VARIABLE
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west_project_output
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ERROR_VARIABLE
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west_project_error
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RESULT_VARIABLE
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west_list_result
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)
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if(NOT ${west_list_result})
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string(REGEX REPLACE "[\r\n]+" ";" west_project_list "${west_project_output}")
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elseif(NOT ("${west_project_error}" MATCHES
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"^Error: .* is not in a west installation\..*"))
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message(FATAL_ERROR "${west_project_error}")
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endif()
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endif()
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if(ZEPHYR_EXTRA_MODULES)
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list(APPEND west_project_list ${ZEPHYR_EXTRA_MODULES})
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endif()
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# Clear the Kconfig.modules generated file in case modules has been removed.
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# The Kconfig.modules contains a list of additional Kconfig files to be sourced
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# based upon <module>/zephyr/module.yml files.
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file(WRITE ${PROJECT_BINARY_DIR}/Kconfig.modules
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"# NOTE: THIS FILE IS AUTOGENERATED BY CMAKE\n"
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)
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# For each west managed project, determine if the project is a zephyr module.
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foreach(module ${west_project_list})
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set(cmake_subdir "zephyr")
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if(${ZEPHYR_BASE} STREQUAL ${module})
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# Ignore Zephyr project to avoid potential invalid looping
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elseif(EXISTS "${module}/zephyr/module.yml")
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set(kconfig_osource "osource \"${module}/zephyr/Kconfig\"\n")
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get_filename_component(module_name ${module} NAME)
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execute_process(
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COMMAND
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${PYTHON_EXECUTABLE}
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${ZEPHYR_BASE}/scripts/yaml_to_cmake.py
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-i "${module}/zephyr/module.yml"
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-o "${CMAKE_CURRENT_BINARY_DIR}/zephyr_module_${module_name}.txt"
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-s "build"
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)
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file(
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STRINGS
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"${CMAKE_CURRENT_BINARY_DIR}/zephyr_module_${module_name}.txt"
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zephyr_module
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)
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foreach(key_value ${zephyr_module})
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if(${key_value} MATCHES "^cmake=")
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string(REGEX REPLACE "^cmake=" "" cmake_subdir ${key_value})
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elseif(${key_value} MATCHES "^kconfig=")
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string(
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REGEX REPLACE
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"^kconfig="
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"osource \"${module}/"
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kconfig_osource
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${key_value} "\"\n"
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)
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endif()
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endforeach()
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list(APPEND ZEPHYR_MODULES_NAME ${module_name})
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list(APPEND ZEPHYR_MODULES_DIR ${module}/${cmake_subdir})
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file(APPEND ${PROJECT_BINARY_DIR}/Kconfig.modules ${kconfig_osource})
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elseif(EXISTS "${module}/${cmake_subdir}/CMakeLists.txt")
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set(kconfig_osource "osource \"${module}/zephyr/Kconfig\"\n")
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get_filename_component(module_name ${module} NAME)
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list(APPEND ZEPHYR_MODULES_NAME ${module_name})
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list(APPEND ZEPHYR_MODULES_DIR ${module}/${cmake_subdir})
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file(APPEND ${PROJECT_BINARY_DIR}/Kconfig.modules ${kconfig_osource})
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else()
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# Not a Zephyr module, ignore.
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endif()
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endforeach()
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