message: doxygen: generate xml as well
diff: @@ -1927,7 +1927,7 @@ MAN_LINKS = NO
  # captures the structure of the code including all documentation.
  # The default value is: NO.
  -GENERATE_XML = NO
  +GENERATE_XML = YES
  # The XML_OUTPUT tag is used to specify where the XML pages will be put. If a
  # relative path is entered the value of OUTPUT_DIRECTORY will be put in front of
  