-case $tun in
- linux | unet | bsd | slip) ;;
- *) AC_MSG_ERROR([Unknown tunnel type]) ;;
-esac
-AC_DEFINE_UNQUOTED([TUN_TYPE], [TUN_`echo $tun | tr a-z A-Z`],
- [Set to the tunnel driver for your OS. See TUN_* in tripe.h.])
+tunnels=""
+for i in $tun; do
+ case $i in
+ linux) AC_DEFINE([TUN_LINUX], [1],
+ [Install the Linux TUN/TAP driver.]) ;;
+ bsd) AC_DEFINE([TUN_BSD], [1],
+ [Install the BSD tunnel driver.]) ;;
+ unet) AC_DEFINE([TUN_UNET], [1],
+ [Install the obsolete Linux Usernet driver.]) ;;
+ slip) ;;
+ *) AC_MSG_ERROR([Unknown tunnel type]) ;;
+ esac
+ tunnels="$tunnels&tun_$i, "
+done