root@localhost libpcap-0.9.4]# make CC=gcc34
gcc34 -O2 -I.  -DHAVE_CONFIG_H  -D_U_="__attribute__((unused))" -c ./fad-getad.c
In file included from ./fad-getad.c:64:
/usr/include/linux/if_packet.h:52: error: syntax error before "__u32"
/usr/include/linux/if_packet.h:54: error: syntax error before "tp_snaplen"
/usr/include/linux/if_packet.h:55: error: syntax error before "tp_mac"
/usr/include/linux/if_packet.h:56: error: syntax error before "tp_net"
make: *** [fad-getad.o] Error 1