depends libx11 &&
depends xml-parser-expat &&
optional_depends gtk+3 \
                 "--enable-gtk3" \
                 "--disable-gtk3" \
                 "for GTK 3 interface (otherwise use GTK 2)" &&
optional_depends libxslt \
                 "--enable-man" \
                 "--disable-man" \
                 "to generate man pages" &&
if ! is_depends_enabled $SPELL gtk+3; then
 depends gtk+2
fi
