BUG #1078: Ref #1045 hostname lookup does not work

The following bug has been logged online:

Bug reference:      1078
Logged by:          Josh Rovero

Email address:      rovero@sonalysts.com

PostgreSQL version: 7.4

Operating system:   HP-UX 11.11

Description:        Ref #1045 hostname lookup does not work

Details:

Box configured with /etc/hosts, NIS and DNS.  Primary
source for IPs on local network is NIS, and works.
But psql (and connection attempts with libpq) fail.
Example:

uname -a
HP-UX levanto B.11.11 U 9000/800 554706577 unlimited-user license

nslookup jetstream
Using /etc/hosts on:  levanto

looking up FILES
Trying NIS
Name:    jetstream.sonalysts.com
Address:  198.6.213.78
Aliases:  jetstream, jet

Other applications (telnet, ftp, ping) have
no problems resolving hostnames.

psql -h jetstream -U wxstat wxstation
psql: could not translate host name "jetstream" to address: host nor service
provided, or not known

psql -h 198.6.213.78 ... ... works.

Error does *not* occur on HP-UX B.11.00 box
with postgresql installed/built the same
way, and with identical pg_hba.conf and
postgresql.conf