IPaddr_t NetOurSubnetMask=0; /* Our subnet mask (0=unknown) */
IPaddr_t NetOurGatewayIP=0; /* Our gateways IP address */
IPaddr_t NetOurDNSIP=0; /* Our DNS IP address */
-#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_DNS2)
+#if defined(CONFIG_BOOTP_DNS2)
IPaddr_t NetOurDNS2IP=0; /* Our 2nd DNS IP address */
#endif
char NetOurNISDomain[32]={0,}; /* Our NIS domain */