* tests/nc_test_slave.c (nc_slave): Fix some of the compiler warnings. * cdl/lwip_net.cdl Changed default value of CYGNUM_LWIP_MEMP_NUM_SYS_TIMEOUT (required for DHCP). Replaced CYGPKG_LWIP_DHCP_OPTIONS with CYGPKG_LWIP_DHCP and add CYGOPT_LWIP_DHCP_MANAGEMENT for automatic DHCP management. * include/lwip/ip_addr.h Add macro ip_addr_netcmp() (copied from lwIP CVS). * include/netif/etharp.h Updated file to version of lwIP CVS. * src/ecos/init.c Add include <pkgconf/net_lwip.h> Add lwip_dhcp_fine_tmr() and lwip_dhcp_coarse_tmr() for DHCP processing. Change tcpip_init_done() to start DHCP timers and ARP timer. Changed lwip_set_addr() to properly setup IP adress if DHCP is used. Added lwip_dhcp_init() for start of DHCP client. Removed start of ARP timer from ecosclue_init(). * src/netif/etharp.c Updated file to version of lwIP CVS.