2021-01-20 16:44:27 +00:00
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# Finds (or builds) the ELF2UF2 executable
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#
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# This will define the following variables
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#
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# ELF2UF2_FOUND
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#
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# and the following imported targets
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#
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# ELF2UF2
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#
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if (NOT ELF2UF2_FOUND)
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# todo we would like to use pckgconfig to look for it first
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# see https://pabloariasal.github.io/2018/02/19/its-time-to-do-cmake-right/
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include(ExternalProject)
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set(ELF2UF2_SOURCE_DIR ${PICO_SDK_PATH}/tools/elf2uf2)
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set(ELF2UF2_BINARY_DIR ${CMAKE_BINARY_DIR}/elf2uf2)
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set(ELF2UF2_BUILD_TARGET ELF2UF2Build)
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set(ELF2UF2_TARGET ELF2UF2)
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if (NOT TARGET ${ELF2UF2_BUILD_TARGET})
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2021-05-04 13:01:11 +00:00
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message(DEBUG "ELF2UF2 will need to be built")
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2021-01-20 16:44:27 +00:00
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ExternalProject_Add(${ELF2UF2_BUILD_TARGET}
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PREFIX elf2uf2 SOURCE_DIR ${ELF2UF2_SOURCE_DIR}
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BINARY_DIR ${ELF2UF2_BINARY_DIR}
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BUILD_ALWAYS 1 # force dependency checking
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INSTALL_COMMAND ""
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)
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endif()
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set(ELF2UF2_EXECUTABLE ${ELF2UF2_BINARY_DIR}/elf2uf2)
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if(NOT TARGET ${ELF2UF2_TARGET})
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add_executable(${ELF2UF2_TARGET} IMPORTED)
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endif()
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set_property(TARGET ${ELF2UF2_TARGET} PROPERTY IMPORTED_LOCATION
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${ELF2UF2_EXECUTABLE})
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add_dependencies(${ELF2UF2_TARGET} ${ELF2UF2_BUILD_TARGET})
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set(ELF2UF2_FOUND 1)
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endif()
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