if(KDE_VERSION VERSION_LESS 4.3 AND EXISTS ${CMAKE_SOURCE_DIR}/doc-data/pl/index.docbook-patch-4.2)

  # KDE <= 4.2 and there is a patch file for index.docbook
  add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/index.docbook
                     COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_SOURCE_DIR}/doc-data/pl/index.docbook ${CMAKE_CURRENT_BINARY_DIR}
                     COMMAND patch -p1 < ${CMAKE_SOURCE_DIR}/doc-data/pl/index.docbook-patch-4.2)
    kde4_create_handbook(${CMAKE_CURRENT_BINARY_DIR}/index.docbook INSTALL_DESTINATION ${HTML_INSTALL_DIR}/pl SUBDIR kalarm)
    add_custom_target(docbook DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/index.docbook)
    add_dependencies(pl-handbook docbook)

else(KDE_VERSION VERSION_LESS 4.3 AND EXISTS ${CMAKE_SOURCE_DIR}/doc-data/pl/index.docbook-patch-4.2)

  kde4_create_handbook(${CMAKE_SOURCE_DIR}/doc-data/pl/index.docbook INSTALL_DESTINATION ${HTML_INSTALL_DIR}/pl SUBDIR kalarm)

endif(KDE_VERSION VERSION_LESS 4.3 AND EXISTS ${CMAKE_SOURCE_DIR}/doc-data/pl/index.docbook-patch-4.2)

