optional_depends qt-x11 "--with-qt=/usr" "--without-qt" "for qt support of some kind" &&
optional_depends openssl "--with-ssl=/usr" "--without-ssl" "for ssl communication" &&
optional_depends gtk+ "--with-gtk=/usr" "--without-gtk" "for gtk support of some kind" &&
optional_depends X11-SERVER "--with-x" "--without-x" "for x support of some kind"
optional_depends java-cup "" "" "for java support" z-rejected
