--- nmap-5.21/tcpip.cc	2010-01-14 19:55:23.000000000 -0800
+++ nmap-5.21/tcpip.cc	2010-03-09 20:30:38.315876272 -0800
@@ -3124,7 +3124,7 @@
       devs[count].device_type = devt_ethernet;
 
       /* If the device type is ethernet, get the MAC address. */
-#ifdef SIOCGIFHWADDR
+#if defined(SIOCGIFHWADDR) && (!defined(sun) && !defined(__sun) && !defined(__sun__))
       memcpy(&tmpifr.ifr_addr, sin, MIN(sizeof(tmpifr.ifr_addr), sizeof(*sin)));
       rc = ioctl(sd, SIOCGIFHWADDR, &tmpifr);
       if (rc < 0 && errno != EADDRNOTAVAIL)