A scratch installed RH9 box compiles qmail ok as soon as the errno and dns patches are applied. However, the DNS resolver doesn't work at all, even for hosts that check out 100% ok:
Apr 1 13:13:27 exile qmail: 1080818007.180866 starting delivery 21: msg 76855 to remote
floyd@atc.noApr 1 13:13:27 exile qmail: 1080818007.181369 status: local 0/10 remote 1/20
Apr 1 13:13:27 exile qmail: 1080818007.188135 delivery 21: deferral: Sorry,_I_couldn't_find_any_host_by_that_name._(#4.1.2)/
Apr 1 13:13:27 exile qmail: 1080818007.188220 status: local 0/10 remote 0/20