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# We need Doxygen

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find_package (Doxygen)

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# path to the project's .dox file to include

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set (DOXYGEN_DOX_FILE "${CMAKE_CURRENT_SOURCE_DIR}/${PROJECT_NAME}.dox")

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# path to store doxygen output in, as html/latext subdirs

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set (DOXYGEN_OUTPUT_DIR "${CMAKE_CURRENT_BINARY_DIR}")

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# path to generated doxygen .conf file

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set (DOXYGEN_CONFIG "${CMAKE_CURRENT_BINARY_DIR}/doxygen.conf")

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# only set up doxygen if needed

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if (DOXYGEN_FOUND)

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    # build the doxygen config file

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    configure_file (

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        "${CMAKE_CURRENT_SOURCE_DIR}/doxygen.conf.in"

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        ${DOXYGEN_CONFIG}

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        @ONLY

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    )

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    # add custom 'doc' target

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    add_custom_target (doc 

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        ${DOXYGEN_EXECUTABLE} ${DOXYGEN_CONFIG}

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    )

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else (DOXYGEN_FOUND)

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    message (STATUS "Doxygen: not found")

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endif (DOXYGEN_FOUND)

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