d6de4c7a99
It is very inconvenient to maintain an application that both runs on a Zephyr board and an out-of-tree board. It forces one to write build scripts like this in the app: if(BOARD STREQUAL my_out_of_tree_board) set(BOARD_ROOT some/out/of/tree/board/path) endif() To avoid this we change the semantics of BOARD_ROOT. Instead of it being a path to the board root it is now a prioritized list of board root directories. Zephyr will append ZEPHYR_BASE to BOARD_ROOT. This ensures that Zephyr boards can be used when the out-of-tree board directory can not supply the requested board. Signed-off-by: Sebastian Bøe <sebastian.boe@nordicsemi.no>
13 lines
297 B
CMake
13 lines
297 B
CMake
# To avoid a lot of empty CMakeLists.txt files we assume it is not an
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# error if it is missing
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if(EXISTS ${BOARD_DIR}/CMakeLists.txt)
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if(USING_OUT_OF_TREE_BOARD)
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set(build_dir boards/${ARCH}/${BOARD})
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else()
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unset(build_dir)
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endif()
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add_subdirectory(${BOARD_DIR} ${build_dir})
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endif()
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