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# We need Doxygen

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find_package (Doxygen)

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# set our .dox path

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set (PROJECT_DOX_FILE "${CMAKE_CURRENT_SOURCE_DIR}/evsql.dox")

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# where to install doxygen output

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set (PROJECT_DOXYGEN_DIR "${PROJECT_SOURCE_DIR}/doc")

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IF (DOXYGEN_FOUND)

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    # doxygen.conf.in -> doxygen.conf

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    configure_file (

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        ${CMAKE_CURRENT_SOURCE_DIR}/doxygen.conf.in

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        ${CMAKE_CURRENT_BINARY_DIR}/doxygen.conf

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        @ONLY

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    )

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    # set doxygen config path

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

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    # add custom doc target

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    ADD_CUSTOM_TARGET(

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        doc 

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        ${DOXYGEN_EXECUTABLE} ${DOXYGEN_CONFIG}

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    )

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    MESSAGE (STATUS "Doxygen: output will be installed in ${PROJECT_DOXYGEN_DIR}")

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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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