depends gtk+-3

optional_depends gtk-doc \
                 "-Denable_gtk_doc=true" \
                 "-Denable_gtk_doc=false" \
                 "for building documentation" \
                 "n"

optional_depends gobject-introspection \
                 "-Dwith_introspection=true" \
                 "-Dwith_introspection=false" \
                 "for object introspection" \
                 "y"

optional_depends vala \
                 "-Dwith_vapi=true" \
                 "-Dwith_vapi=false" \
                 "enable vala support" \
                 "y"
