depends glib2 && if spell_ok libidn; then depends libidn else optional_depends libidn "" "" "for IDN support" fi && optional_depends libasyncns \ "--with-asyncns" \ "--without-asyncns" \ "for asynchronous DNS support" && case $LOUDMOUTH_SSL in gnutls) depends gnutls "--with-ssl=gnutls" ;; SSL) depends openssl "--with-ssl=openssl" ;; none) OPTS="--without-ssl $OPTS" ;; esac && optional_depends gtk-doc \ "--enable-gtk-doc" \ "--disable-gtk-doc" \ "to build documentation"