depends libxml2  &&
depends glib2    &&
depends gtk+3    &&

optional_depends gobject-introspection \
                 "--enable-introspection" \
                 "--disable-introspection" \
                 "Enable introspection for this build?" &&

optional_depends gtk-doc                            \
                 "--enable-gtk-doc"                 \
                 "--disable-gtk-doc"                \
                 "Build documentation with gtk-doc"