tcpdump expects to include <pcap.h> & <pcap-namedb.h>, but libpcap
doesn't install them...
How the Hell did you come to that conclusion?
root@duality [2]; cd /usr/src/lib/libpcap
root@duality [2]; make -n install
cd /build/src/lib/libpcap; for i in pcap.h pcap-namedb.h; do cmp -s $i /usr/include/$i || { j="install -c -o bin -g bin -m 444 $i /usr/include"; echo $j; $j; } done
[...]