diff -ruN Device-SerialPort-1.000002/Makefile.PL Device-SerialPort-1.000002-new/Makefile.PL
--- Device-SerialPort-1.000002/Makefile.PL	2004-12-06 21:26:14.586668192 +0100
+++ Device-SerialPort-1.000002-new/Makefile.PL	2004-12-06 21:26:39.887821832 +0100
@@ -26,7 +26,7 @@
 print "Trying to find a serial port for testing...\n";
 unless (@SERIALS) {
 	@SERIALS=( "/dev/ttyS1", "/dev/cua01", "/dev/cua/b", "/dev/tty1",
-		   "/dev/tty.modem" );
+		   "/dev/tty.modem", "/dev/tts/0" );
 	print "(use 'perl Makefile.PL TESTPORT=<DEVICE>' to override this search)\n";
 }