case $THIS_SUB_DEPENDS in
DBUS) echo "DBUS support requested, forcing dbus dependency." &&
     depends dbus
     ;;
#GIF) echo "GIF support requested, forcing LIBGIF dependency." &&
#     depends LIBGIF
#     ;;
OPENGL) echo "OPENGL support requested, forcing OPENGL dependency." &&
     depends OPENGL
     ;;
SSL) echo "SSL support requested, forcing openssl dependency." &&
     depends openssl
      ;;
TOOLS) if [[ $QT_TOOLS == "-nomake" ]]; then
         echo "Tools requested, forcing build." &&
         QT_TOOLS="-make"
       fi
     ;;
*) echo unknown sub-depends!!! ; return 1 ;;
esac
