[irc@pentrunoi ircu2.10.12.08]$ make install
test -d /home/irc || mkdir /home/irc
Installing doc...
make[1]: Entering directory `/home/irc/ircu2.10.12.08/doc'
test -d /home/irc/man/man8 || mkdir /home/irc/man/man8 || mkdir -p /home/irc/man/man8
/usr/bin/install -c -m 644 ./ircd.8 /home/irc/man/man8
make[1]: Leaving directory `/home/irc/ircu2.10.12.08/doc'
Installing ircd...
make[1]: Entering directory `/home/irc/ircu2.10.12.08/ircd'
yacc -d ./ircd_parser.y
make[1]: yacc: Command not found
make[1]: *** [y.tab.h] Error 127
make[1]: Leaving directory `/home/irc/ircu2.10.12.08/ircd'
Installing ircd/test...
make[1]: Entering directory `/home/irc/ircu2.10.12.08/ircd/test'
make[1]: Nothing to be done for `install'.
make[1]: Leaving directory `/home/irc/ircu2.10.12.08/ircd/test'
[irc@pentrunoi ircu2.10.12.08]$