Re: Thread-safe configuration option appears to

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Larry Rosenman <ler(at)lerctr(dot)org>
Cc: Peter Eisentraut <peter_e(at)gmx(dot)net>, PostgreSQL Development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Thread-safe configuration option appears to
Date: 2003-08-04 17:19:57
Message-ID: 200308041719.h74HJvn26888@candle.pha.pa.us
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Larry Rosenman wrote:
>
>
> --On Monday, August 04, 2003 13:11:45 -0400 Bruce Momjian
> <pgman(at)candle(dot)pha(dot)pa(dot)us> wrote:
>
> > Larry Rosenman wrote:
> >> >> > We decided to make separate thread/nonthread libraries if the
> >> >> > threading requires any special flags --- we haven't done that yet,
> >> >> > and only configure controls it.
> >> >> That will be a POLA (principle of least astonishment) violation on
> >> >> UnixWare.
> >> >
> >> > When we have the capability to do dual library builds, we might have a
> >> > way to specify a threading flag that will apply to the main libpq and
> >> > not create a libpq_r. If it is a good flag, can we use it in the
> >> > template file for all compiling?
> >> I **THINK** so. What I'm thinking of is -D_REENTRANT for UnixWare
> >> especially for libpq.
> >>
> >> the --with-threads would cause ecpg to be compiled/linked as -lpthread
> >> in addition to
> >> -D_REENTRANT
> >
> > Nope, we are not going to link with -lpthread unless it is enabled in
> > configure.
> Right. but libpq should be built with -D_REENTRANT on UnixWare regardless
> of the
> --with-threads.

Well, let's see what additional functionality we need. I am not
feeling too friendly on SCO/Unixware right now to jump through hoops.

--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 359-1001
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