usage: gtkdoc-mkdb [-h] [--version] --module MODULE [--source-dir SOURCE_DIR]
                   [--source-suffixes SOURCE_SUFFIXES] [--ignore-files IGNORE_FILES]
                   [--output-dir OUTPUT_DIR] [--tmpl-dir TMPL_DIR]
                   [--main-sgml-file MAIN_SGML_FILE] [--expand-content-files EXPAND_CONTENT_FILES]
                   [--sgml-mode | --xml-mode] [--default-stability {,Stable,Private,Unstable}]
                   [--default-includes DEFAULT_INCLUDES] [--output-format OUTPUT_FORMAT]
                   [--name-space NAME_SPACE] [--outputallsymbols] [--outputsymbolswithoutsince]

options:
  -h, --help            show this help message and exit
  --version             show program's version number and exit
  --module MODULE       Name of the doc module being parsed
  --source-dir SOURCE_DIR
  --source-suffixes SOURCE_SUFFIXES
  --ignore-files IGNORE_FILES
  --output-dir OUTPUT_DIR
  --tmpl-dir TMPL_DIR   DEPRECATED
  --main-sgml-file MAIN_SGML_FILE
  --expand-content-files EXPAND_CONTENT_FILES
  --sgml-mode
  --xml-mode
  --default-stability {,Stable,Private,Unstable}
  --default-includes DEFAULT_INCLUDES
  --output-format OUTPUT_FORMAT
  --name-space NAME_SPACE
  --outputallsymbols
  --outputsymbolswithoutsince