152 lines
4.7 KiB
CMake
152 lines
4.7 KiB
CMake
# TODO: Check for env or command line "ZMK_CONFIG" setting.
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# * That directory should load
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# * defconfigs,
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# * .conf file,
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# * single overlay,
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# * or per board/shield.
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cmake_minimum_required(VERSION 3.15)
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get_property(cached_user_config_value CACHE ZMK_CONFIG PROPERTY VALUE)
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set(user_config_cli_argument ${cached_user_config_value}) # Either new or old
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if(user_config_cli_argument STREQUAL CACHED_ZMK_CONFIG)
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# We already have a CACHED_ZMK_CONFIG so there is no new input on the CLI
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unset(user_config_cli_argument)
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endif()
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set(user_config_app_cmake_lists ${ZMK_CONFIG})
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if(cached_user_config_value STREQUAL ZMK_CONFIG)
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# The app build scripts did not set a default, The ZMK_CONFIG we are
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# reading is the cached value from the CLI
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unset(user_config_app_cmake_lists)
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endif()
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if(CACHED_ZMK_CONFIG)
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# Warn the user if it looks like he is trying to change the user_config
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# without cleaning first
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if(user_config_cli_argument)
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if(NOT (CACHED_ZMK_CONFIG STREQUAL user_config_cli_argument))
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message(WARNING "The build directory must be cleaned pristinely when changing user ZMK config")
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endif()
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endif()
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set(ZMK_CONFIG ${CACHED_ZMK_CONFIG})
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elseif(user_config_cli_argument)
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set(ZMK_CONFIG ${user_config_cli_argument})
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elseif(DEFINED ENV{ZMK_CONFIG})
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set(ZMK_CONFIG $ENV{ZMK_CONFIG})
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elseif(user_config_app_cmake_lists)
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set(ZMK_CONFIG ${user_config_app_cmake_lists})
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endif()
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# Store the selected user_config in the cache
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set(CACHED_ZMK_CONFIG ${ZMK_CONFIG} CACHE STRING "Selected user ZMK config")
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if (ZMK_CONFIG)
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set(ENV{ZMK_CONFIG} "${ZMK_CONFIG}")
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if(EXISTS ${ZMK_CONFIG}/boards)
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message(STATUS "Adding ZMK config directory as board root: ${ZMK_CONFIG}")
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list(APPEND BOARD_ROOT ${ZMK_CONFIG})
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endif()
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if(EXISTS ${ZMK_CONFIG}/dts)
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message(STATUS "Adding ZMK config directory as DTS root: ${ZMK_CONFIG}")
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list(APPEND DTS_ROOT ${ZMK_CONFIG})
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endif()
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endif()
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foreach(root ${BOARD_ROOT})
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if (EXISTS "${root}/boards/${BOARD}.overlay")
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list(APPEND ZMK_DTC_FILES "${root}/boards/${BOARD}.overlay")
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endif()
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find_path(BOARD_DIR
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NAMES ${BOARD}_defconfig
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PATHS ${root}/boards/*/*
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NO_DEFAULT_PATH
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)
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if(BOARD_DIR)
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list(APPEND KEYMAP_DIRS ${BOARD_DIR})
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endif()
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if(DEFINED SHIELD)
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find_path(shields_refs_list
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NAMES ${SHIELD}.overlay
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PATHS ${root}/boards/shields/*
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NO_DEFAULT_PATH
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)
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foreach(shield_path ${shields_refs_list})
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get_filename_component(SHIELD_DIR ${shield_path} NAME)
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list(APPEND KEYMAP_DIRS ${shield_path})
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endforeach()
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endif()
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endforeach()
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if (ZMK_CONFIG)
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if (EXISTS ${ZMK_CONFIG})
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message(STATUS "ZMK Config directory: ${ZMK_CONFIG}")
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list(APPEND DTS_ROOT ${ZMK_CONFIG})
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list(PREPEND KEYMAP_DIRS "${ZMK_CONFIG}")
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if (SHIELD)
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message(STATUS "Board: ${BOARD}, ${BOARD_DIR}, ${SHIELD}, ${SHIELD_DIR}")
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list(APPEND overlay_candidates "${ZMK_CONFIG}/${SHIELD_DIR}.overlay")
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list(APPEND overlay_candidates "${ZMK_CONFIG}/${SHIELD_DIR}_${BOARD}.overlay")
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list(APPEND overlay_candidates "${ZMK_CONFIG}/${SHIELD}_${BOARD}.overlay")
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list(APPEND overlay_candidates "${ZMK_CONFIG}/${SHIELD}.overlay")
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list(APPEND config_candidates "${ZMK_CONFIG}/${SHIELD_DIR}.conf")
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list(APPEND config_candidates "${ZMK_CONFIG}/${SHIELD_DIR}_${BOARD}.conf")
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list(APPEND config_candidates "${ZMK_CONFIG}/${SHIELD}_${BOARD}.conf")
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list(APPEND config_candidates "${ZMK_CONFIG}/${SHIELD}.conf")
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endif()
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# TODO: Board revisions?
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list(APPEND overlay_candidates "${ZMK_CONFIG}/${BOARD}.overlay")
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list(APPEND overlay_candidates "${ZMK_CONFIG}/default.overlay")
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list(APPEND config_candidates "${ZMK_CONFIG}/${BOARD}.conf")
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list(APPEND config_candidates "${ZMK_CONFIG}/default.conf")
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foreach(overlay ${overlay_candidates})
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if (EXISTS "${overlay}")
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message(STATUS "ZMK Config devicetree overlay: ${overlay}")
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list(APPEND ZMK_DTC_FILES "${overlay}")
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break()
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endif()
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endforeach()
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foreach(conf ${config_candidates})
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if (EXISTS "${conf}")
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message(STATUS "ZMK Config Kconfig: ${conf}")
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set(CONF_FILE "${conf}")
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break()
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endif()
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endforeach()
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else()
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message(WARNING "Unable to locate ZMK config at: ${ZMK_CONFIG}")
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endif()
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endif()
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if(NOT KEYMAP_FILE)
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foreach(keymap_dir ${KEYMAP_DIRS})
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foreach(keymap_prefix ${SHIELD} ${SHIELD_DIR} ${BOARD} ${BOARD_DIR})
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if (EXISTS ${keymap_dir}/${keymap_prefix}.keymap)
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set(KEYMAP_FILE "${keymap_dir}/${keymap_prefix}.keymap" CACHE STRING "Selected keymap file")
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message(STATUS "Using keymap file: ${KEYMAP_FILE}")
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break()
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endif()
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endforeach()
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endforeach()
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endif()
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if (NOT KEYMAP_FILE)
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message(FATAL_ERROR "Failed to locate keymap file!")
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endif()
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list(APPEND ZMK_DTC_FILES ${KEYMAP_FILE})
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if (ZMK_DTC_FILES)
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string(REPLACE ";" " " DTC_OVERLAY_FILE "${ZMK_DTC_FILES}")
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endif()
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