case $THIS_SUB_DEPENDS in MONO) echo "mono bindings requested, forcing them." && depends mono '--enable-mono' ;; QT5) echo "qt5 bindings requested, forcing them." && depends qtbase '--enable-qt5' ;; GTK2) echo "gtk+2 bindings requested, forcing them." && depends gtk+2 '--enable-gtk' ;; GTK3) echo "gtk+3 bindings requested, forcing them." && depends gtk+3 '--enable-gtk3' ;; COMPAT_LIBDNS_SD) echo "libdns_sd compatibility layer requested, forcing it." && AVAHI_COMPAT_LIBDNS_SD=y ;; COMPAT_HOWL) echo "Howl compatibility layer requested, forcing it." && AVAHI_COMPAT_HOWL=y ;; *) echo "unknown sub-depends!"; return 1;; esac