[root@localhost libpcap-0.9.4]# make
gcc -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: expected specifier-qualifier-list before ‘__u32’
make: *** [fad-getad.o] Error 1