33 lines
1.2 KiB
CMake
33 lines
1.2 KiB
CMake
if(BOOTLOADER_BUILD)
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return() # don't keep recursing!
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endif()
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# Glue to build the bootloader subproject binary as an external
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# cmake project under this one
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#
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#
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set(bootloader_build_dir "${CMAKE_BINARY_DIR}/bootloader")
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set(bootloader_binary_files
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"${bootloader_build_dir}/bootloader.elf"
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"${bootloader_build_dir}/bootloader.bin"
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"${bootloader_build_dir}/bootloader.map"
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)
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externalproject_add(bootloader
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# TODO: support overriding the bootloader in COMPONENT_PATHS
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SOURCE_DIR "${IDF_PATH}/components/bootloader/subproject"
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BINARY_DIR "${bootloader_build_dir}"
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CMAKE_ARGS -DSDKCONFIG=${SDKCONFIG} -DIDF_PATH="${IDF_PATH}"
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INSTALL_COMMAND ""
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BUILD_ALWAYS 1 # no easy way around this...
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BUILD_BYPRODUCTS ${bootloader_binary_files}
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)
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# this is a hack due to an (annoying) shortcoming in cmake, it can't
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# extend the 'clean' target to the external project
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# see thread: https://cmake.org/pipermail/cmake/2016-December/064660.html
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#
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# So for now we just have the top-level build remove the final build products...
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set_property(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}" APPEND PROPERTY
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ADDITIONAL_MAKE_CLEAN_FILES
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${bootloader_binary_files})
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