The following bug has been logged online:

Bug reference: 1008
Logged by: Peter Herndon
Email address: tpherndon (AT) mindspring (DOT) com
PostgreSQL version: 7.4
Operating system: Mac OS X 10.3.1
Description: fe-misc.c has an ifdef for HAVE_POLL, should be HAVE_POLL_H
Details:

With stock 7.4, configure options --prefix=/usr/local --with-rendezvous --with-openssl --with-includes=/sw/include --with-libraries=/sw/lib, make failes on src/interfaces/libpq/fe-misc.c, complaining of undefined functions and constants in and around line 1011, pqSocketPoll function. I poked around my config.log and config.status, and my OS, and found no trace of poll.h, instead I have select.h. Yet the function was crashing the compile in lines looking for poll.h. I looked at the source a bit more and noticed that the #ifdef was looking for HAVE_POLL, and that everything in configure.*, as well as the top of fe-misc.c, was looking at HAVE_POLL_H. So I changed line 1011 to HAVE_POLL_H and the compile succeeds.

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"PostgreSQL Bugs List" <pgsql-bugs (AT) postgresql (DOT) org> writes:
That's entirely wrong. The configure code sets up two configuration
symbols: HAVE_POLL_H indicates whether the header <poll.h> exists,
while HAVE_POLL indicates whether the library function poll() is
available. The code in fe-misc.c is correct (in each place it uses
these symbols). If HAVE_POLL isn't getting set by configure, then
that's a bug and you should look into the reason why.

FWIW, this code does compile on OS X 10.2.* and 10.3, so if it fails in
10.3.1 then it's because of something Apple changed recently.

regards, tom lane

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"Peter Herndon" <tpherndon (AT) mindspring (DOT) com> writes:
Ah. I had eliminated that idea on the thought "he wouldn't have a
compiler if he'd not installed DevTools". Didn't think about an upgrade
from 10.2 DevTools. But that does make sense, since libpoll.dylib will
be part of the base 10.3 OS while poll.h would come in DevTools.

Right, now we know what the symptom looks like in PG. Thanks for taking
the time to track it down.

regards, tom lane

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