Optional API when building gtkmm
| Appendix H. Optional API |

## Optional API when building gtkmm

### --enable-deprecated-api=no

When enable-deprecated-api is disabled, no deprecated classes or methods will be available in gtkmm. For instance, the `Gtk::FileSelection` dialog will not be provided, because it is replaced by `Gtk::FileChooserDialog`. The reference documentation contains a full list of deprecated gtkmm API.

If deprecated gtkmm API is available, the `GTKMM_DISABLE_DEPRECATED` macro will not be defined.

### --enable-api-atk=no

When enable-api-atk is disabled, no atkmm API will be available in gtkmm. For instance, `Gtk::Widget` will not inherit from `Atk::Implementor`.

If the atkmm API is not available, the `GTKMM_ATKMM_ENABLED` macro will not be defined.

Appendix H. Optional API |  |