Unpack the ucspi-tcp package:
gunzip ucspi-tcp-0.88.tar tar -xf ucspi-tcp-0.88.tar cd ucspi-tcp-0.88
Compile the ucspi-tcp programs:
make
As root, install the ucspi-tcp programs under /usr/local:
make setup check
To report success:
( echo 'First M. Last'; cat `cat SYSDEPS` ) \ | mail djb-sysdeps@cr.yp.toReplace First M. Last with your name.