IF(LINUX)
  FIND_PACKAGE(Doxygen)
  IF(DOXYGEN_FOUND)

    ## -----------------------------------------------------------------------------------------------
    ## Builds the documentation
    ## -----------------------------------------------------------------------------------------------
    SET(BUILD_DOC OFF CACHE BOOL "Do you want to build the documentation ? [OFF|ON]")
    #Only
    IF(BUILD_DOC)
        SET(TULIP_LIB_DESC "Tulip Graph Library")
        SET(TULIP_LIB_NAME "tulip")
        CONFIGURE_FILE("doxygen/tulip-lib.doxygen.in" "${CMAKE_CURRENT_BINARY_DIR}/doxygen/tulip-lib.doxygen" @ONLY)
        SET(TULIP_LIB_DESC "Tulip Open GL Library")
        SET(TULIP_LIB_NAME "tulip-ogl")
        CONFIGURE_FILE("doxygen/tulip-lib.doxygen.in" "${CMAKE_CURRENT_BINARY_DIR}/doxygen/tulip-ogl-lib.doxygen" @ONLY)
        SET(TULIP_LIB_DESC "Tulip Qt Library")
        SET(TULIP_LIB_NAME "tulip-qt")
        CONFIGURE_FILE("doxygen/tulip-lib.doxygen.in" "${CMAKE_CURRENT_BINARY_DIR}/doxygen/tulip-qt-lib.doxygen" @ONLY)
        EXEC_PROGRAM(date ARGS "+%Y" OUTPUT_VARIABLE THIS_YEAR)
        CONFIGURE_FILE("doxygen/tulip.html.in" "${CMAKE_CURRENT_BINARY_DIR}/doxygen/tulip.html")
        CONFIGURE_FILE("doxygen/header.html.in" "${CMAKE_CURRENT_BINARY_DIR}/doxygen/header.html")
        CONFIGURE_FILE("doxygen/footer.html.in" "${CMAKE_CURRENT_BINARY_DIR}/doxygen/footer.html")
        CONFIGURE_FILE("doxygen/header-allPlugins.html.in" "${CMAKE_CURRENT_BINARY_DIR}/doxygen/header-allPlugins.html")
        CONFIGURE_FILE("doxygen/tulip-plugins.doxygen.in" "${CMAKE_CURRENT_BINARY_DIR}/doxygen/tulip-plugins.doxygen")
        CONFIGURE_FILE("developerHandbook/gen-devPdf.sh.in" "${CMAKE_CURRENT_BINARY_DIR}/developerHandbook/gen-devPdf.sh")
        CONFIGURE_FILE("userHandbook/gen-userPdf.sh.in" "${CMAKE_CURRENT_BINARY_DIR}/userHandbook/gen-userPdf.sh")
        CONFIGURE_FILE("make_tulip_doc_tarball.sh.in" "${CMAKE_CURRENT_BINARY_DIR}/make_tulip_doc_tarball.sh" @ONLY)

        include_directories(${KDE4_INCLUDES} ${KDE4_INCLUDE_DIR} ${QT_INCLUDES} )

        add_subdirectory(common)
        add_subdirectory(doxygen)
        add_subdirectory(userHandbook)
        add_subdirectory(developerHandbook)

        CONFIGURE_FILE("tulip.qhcp.in" "${CMAKE_CURRENT_BINARY_DIR}/tulip.qhcp" @ONLY)
        ADD_CUSTOM_TARGET(tulip_qhp sh ${PROJECT_SOURCE_DIR}/docs/gen-tulipqhp.sh ${CMAKE_CURRENT_BINARY_DIR}/tulip.qhp)
        ADD_CUSTOM_TARGET(tulip_qch qhelpgenerator ${CMAKE_CURRENT_BINARY_DIR}/tulip.qhp -o ${CMAKE_CURRENT_BINARY_DIR}/tulip${TulipIntVersion}.qch)
        ADD_CUSTOM_TARGET(doc ALL qcollectiongenerator ${CMAKE_CURRENT_BINARY_DIR}/tulip.qhcp -o ${CMAKE_CURRENT_BINARY_DIR}/tulip${TulipIntVersion}.qhc WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})

        ADD_DEPENDENCIES(tulip_qhp dev_toc dev_keywords dox_toc dox_keywords user_toc user_keywords allPlugins-html tulip-libs-html)
        ADD_DEPENDENCIES(tulip_qch tulip_qhp)
        ADD_DEPENDENCIES(doc tulip_qch tulip_qhcp)

        INSTALL(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/common
            DESTINATION share/doc/tulip
            COMPONENT tulip_doc)
    ENDIF(BUILD_DOC)
  ELSE()
  	MESSAGE("Doxygen not found: unable to generate documentation")
  ENDIF()
ENDIF(LINUX)

add_subdirectory(python)

ADD_CUSTOM_TARGET(doc_generation ALL
${CMAKE_COMMAND} -E touch ${CMAKE_CURRENT_BINARY_DIR}/tulip${TulipIntVersion}.qhc
COMMAND ${CMAKE_COMMAND} -E touch ${CMAKE_CURRENT_BINARY_DIR}/tulip${TulipIntVersion}.qch
COMMENT "Checking if documentation files are present")

INSTALL(FILES ${CMAKE_CURRENT_BINARY_DIR}/tulip${TulipIntVersion}.qhc ${CMAKE_CURRENT_BINARY_DIR}/tulip${TulipIntVersion}.qch
  DESTINATION ${TulipShareInstallDir}
  COMPONENT tulip_doc)