diff -ubr gpsdrive-2.09/configure.ac gpsdrive-2.09-osc/configure.ac
--- gpsdrive-2.09/configure.ac	2004-03-03 21:46:47.000000000 +0100
+++ gpsdrive-2.09-osc/configure.ac	2005-07-27 18:38:10.000000000 +0200
@@ -157,6 +157,33 @@
 localedir='${prefix}/share/locale'
 AC_SUBST(localedir)
 
+
+AC_ARG_WITH(liblo,
+[  --with-liblo[=DIR]     use liblo in DIR],
+[
+    if test $withval = no; then
+		want_liblo=no
+    elif test $withval = yes; then
+		want_liblo=yes
+    else
+		LIBLO_DIR=$withval
+		CPPFLAGS="${CPPFLAGS} -I$withval/include"
+		LDFLAGS="${LDFLAGS} -L$withval/lib"
+		want_liblo=yes
+    fi
+],[
+        want_liblo=no 
+])
+
+# Checks for liblo.
+if test $want_liblo = yes; then
+	AC_CHECK_LIB(lo,lo_send_internal,
+		[AC_DEFINE(HAVE_LIBLO, 1, use liblo for osc support)],
+		[AC_MSG_ERROR(You need to have liblo installed.)])
+fi
+
+
+
 dnl ************************
 dnl Checks for header files.
 dnl ************************
diff -ubr gpsdrive-2.09/src/gpsdrive.c gpsdrive-2.09-osc/src/gpsdrive.c
--- gpsdrive-2.09/src/gpsdrive.c	2004-03-03 21:46:47.000000000 +0100
+++ gpsdrive-2.09-osc/src/gpsdrive.c	2005-07-28 14:26:59.000000000 +0200
@@ -1829,6 +1829,10 @@
 #endif
 #include "gettext.h"
 
+#if HAVE_LIBLO
+#include "lo/lo.h"
+#endif
+
 
 #include "LatLong-UTMconversion.h"
 #include "gpsdrive.h"
@@ -1883,6 +1887,12 @@
 gdouble zero_long, zero_lat, target_long, target_lat, dist;
 gdouble long_diff = 0, lat_diff = 0;
 GdkGC *kontext;
+
+#if HAVE_LIBLO
+lo_address	*otarget = NULL;
+#endif
+
+
 GdkColor red = { 0, 0xFF00, 0x00, 0x00 };
 GdkColor black = { 0, 0x00, 0x00, 0x00 };
 GdkColor white = { 0, 0xFFFF, 0xFFFF, 0xFFFF };
@@ -5169,6 +5179,19 @@
   if (importactive)
     return TRUE;
 
+
+	#if HAVE_LIBLO
+	/* output osc */
+	// send /gpsdrive/gps/... in a k2o (kismet) compatible way
+	// fprintf (stderr, _("OSC sending send /gpsdrive/gps/...\n"));
+	if(otarget) {
+		lo_send(otarget, "/gpsdrive/gps/lat", "f", current_lat);
+		lo_send(otarget, "/gpsdrive/gps/lon", "f", current_long);
+		lo_send(otarget, "/gpsdrive/gps/spd", "f", groundspeed);
+		lo_send(otarget, "/gpsdrive/gps/heading", "f", direction);
+	}
+	#endif
+
   if (drawgrid)
     {
 
@@ -9004,6 +9027,16 @@
 	  g_timer_stop (disttimer);
 	  g_timer_start (disttimer);
 	  olddist = dist;
+
+	#if HAVE_LIBLO
+	if(otarget) {
+		// send /gpsdrive/gps/... in a k2o (kismet) compatible way
+		// fprintf (stderr, _("OSC sending send /gpsdrive/target/...\n"));
+		lo_send(otarget, "/gpsdrive/target/lat", "f", target_lat);
+		lo_send(otarget, "/gpsdrive/target/lon", "f", target_long);
+	}
+	#endif
+
 	}
     }
 
@@ -9893,6 +9926,9 @@
 	   ("-W x  set x to 1 to switch WAAS/EGNOS on, set to 0 to switch off\n"),
 	   _("-H X  correct altitude, adding this value to altitude\n"),
 	   _("-z    don't display zoom factor and scale\n\n"));
+	   #if HAVE_LIBLO
+	g_print ("-O X  set OSC target. e.g osc.udp://localhost:12345\n\n");
+	   #endif
 
 }
 
@@ -10696,7 +10732,7 @@
   do
     {
 /*** Mod by Arms */
-      i = getopt (argc, argv, "W:ESA:ab:c:zx1qivdDFepH:hnf:l:t:s:o:r:?");
+      i = getopt (argc, argv, "W:ESA:ab:c:zx1qivdDFepH:hnf:l:t:s:o:r:?O:");
       switch (i)
 	{
 	case 'a':
@@ -10809,6 +10845,16 @@
 	  forcehavepos = TRUE;
 	  break;
 
+	#if HAVE_LIBLO
+	case 'O':
+      otarget = lo_address_new_from_url(optarg);
+      if(!otarget) {
+		fprintf (stderr, _("Cannot connect to %s\n"), optarg);
+		exit (1);
+		}
+		fprintf (stderr, _("Connected to OSC target %s\n"), optarg);
+	  break;
+	#endif
 	}
     }
   while (i != -1);