Index: src/route-rnd/route-rnd.c
===================================================================
--- src/route-rnd/route-rnd.c	(revision 1397)
+++ src/route-rnd/route-rnd.c	(revision 1398)
@@ -137,6 +137,27 @@
 	return 0;
 }
 
+static void help_generic(const char *prg)
+{
+	printf("route-rnd: external PCB autorouter\n");
+	printf("Usage: %s [-v] -m method [-o out_fn] inp_fn\n", prg);
+	printf("       %s -m method -l\n", prg);
+	printf("       %s -M\n", prg);
+	printf("\nOptions:\n");
+	printf(" -M            list available methods (in TSV format)\n");
+	printf(" -m method     set method (by name, as returned by -M, first column)\n");
+	printf(" -l            list config options of a method (in tEDAx route res)\n");
+	printf(" -v            increase verbosity (can be specified multiple times)\n");
+	printf(" -o ofn        output file name (for tEDAx route result)\n");
+	printf(" inp_fn        input file name (tEDAx route request)\n");
+	printf("\n");
+}
+
+static void help(const char *prg, const char *topic)
+{
+	help_generic(prg);
+}
+
 int route_rnd_main(int argc, char *argv[])
 {
 	char *ifn = NULL, *ofn = NULL, *method = "horver";
@@ -151,6 +172,7 @@
 		if (*cmd == '-') {
 			while(*cmd == '-') cmd++;
 			switch(*cmd) {
+				case 'h': help(argv[0], arg); exit(0);
 				case 'v': verbose++; break;
 				case 'm': method = arg; n++; break;
 				case 'l': list_conf = 1; break;