X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~mdw/git/tripe/blobdiff_plain/3cdc3f3a27e8c4f4fe692009d868c773d298a68c..42da2a58637902f3bba731a83538804e57e340bf:/configure.in

diff --git a/configure.in b/configure.in
index 6163a8d8..d0c2dbd7 100644
--- a/configure.in
+++ b/configure.in
@@ -26,7 +26,7 @@ dnl along with TrIPE; if not, write to the Free Software Foundation,
 dnl Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 
 AC_INIT(tripe.c)
-AM_INIT_AUTOMAKE(tripe, 1.0.0pre6)
+AM_INIT_AUTOMAKE(tripe, 1.0.0pre7)
 AM_CONFIG_HEADER(config.h)
 AC_CANONICAL_HOST
 
@@ -84,33 +84,54 @@ AC_ARG_WITH([ethereal],
 esac],
 [ethereal=true requireethereal=false])
 
-case $host_os in
-  linux*)
-    case `uname -r` in
+tun=auto
+AC_ARG_WITH([tunnel],
+[  --with-tunnel=KIND      kinds of tunnel device to use
+                            (linux, unet, bsd, slip)],
+[tun=$withval])
+
+if test "$tun" = auto; then
+  AC_CACHE_CHECK([tunnel drivers to use], [mdw_cv_tunnel], [
+    mdw_cv_tunnel=""
+    case $host_os in
+      linux*)
+	case `uname -r` in
 changequote(,)dnl
-      2.[4-9].* | 2.[1-9][0-9]*.* | [3-9].* | [1-9][0-9]*.*)
+	  2.[4-9].* | 2.[1-9][0-9]*.* | [3-9].* | [1-9][0-9]*.*)
 changequote([,])dnl
-	tun=linux
-	AC_DEFINE([TUN_TYPE], [TUN_LINUX], 
-        [Set to the tunnel driver for your OS.  See TUN_* in tripe.h.])
+	    mdw_cv_tunnel=linux
+	    ;;
+	  *)
+	    mdw_cv_tunnel=unet
+	    ;;
+	esac
 	;;
-      *)
-	tun=unet
-	AC_DEFINE([TUN_TYPE], [TUN_UNET],
-        [Set to the tunnel driver for your OS.  See TUN_* in tripe.h.])
+      *bsd*)
+	mdw_cv_tunnel=bsd
 	;;
     esac
-    ;;
-  *bsd*)
-    tun=bsd
-    AC_DEFINE([TUN_TYPE], [TUN_BSD],
-    [Set to the tunnel driver for your OS.  See TUN_* in tripe.h.])
-    ;;
-  *)
-    AC_MSG_ERROR([Unsupported OS: no tunnel interface available])
-    ;;
-esac
+    mdw_cv_tunnel=$mdw_cv_tunnel${mdw_cv_tunnel:+ }slip
+  ])
+  tun=$mdw_cv_tunnel
+fi
+
+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_$i, "
+done
 AC_SUBST(tun)
+AC_DEFINE_UNQUOTED([TUN_LIST], [$tunnels 0], 
+  [List of tunnel drivers to install.])
 
 mdw_MLIB(2.0.0)
 mdw_CATACOMB(2.1.0, [CFLAGS="$CFLAGS $CATACOMB_CFLAGS"])