Re: 7.4.2 on Solaris 9 - Error - Mailing list pgsql-general

Jan Wieck wrote:
> Changing config.status, now that's what I call a quick and dirty hack.
>
> The attached diff against 7.4.2 incorporates Joe Conway's checks for
> getqwuid_r() has 4/5 arguments with a pthread compile autoconf check
> that I found a while back in the gnu autoconf archives.
>
> I think we should change alltogether to that pthread check.
>

Intersting.  Would this change require us to update to a newer version
of autoconf?

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>
> Jan
>
> wespvp@syntegra.com wrote:
>
> > On 3/25/04 7:27 AM, "Jan Wieck" <JanWieck@yahoo.com> wrote:
> >
> >> One other problem I am looking into (and why I tried to compile with
> >> thread safety in the first place) is that this somehow did not turn on
> >> -D_REENTRANT in the CFLAGS for libpq. And that leads to libpq not using
> >> the threadsafe definition of errno, leading to serious communication
> >> trouble in the end (pqReadData() failing with ENOENT while the real
> >> error is a harmless EAGAIN from a nonblocking recv()).
> >
> > This sounds like the problem I just solved late yesterday, except that I'm
> > seeing it manifest itself in ecpglib with C programs build using ecpg. I had
> > absolutely no error handling.  The error flag was never set.  I put some
> > debug code into the various library functions and found it was setting the
> > error code in sqlca - but in a different copy of sqlca than was active.
> >
> > The root problem turns out to be that configure is setting -pthread instead
> > of -lpthread in config.status.  I manually changed the config.status line
> >
> >    s,@THREAD_LIBS@,-pthread,;t t
> >
> > To
> >
> >    s,@THREAD_LIBS@,-lpthread,;t t
> >
> > And everything appears to be working now.  I don't see -D_REENTRANT being
> > set, but everything appears to work now.
> >
> > Let me know if this solves your test case also.
> >
> > Wes
> >
> >
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>
> --
> #======================================================================#
> # It's easier to get forgiveness for being wrong than for being right. #
> # Let's break this rule - forgive me.                                  #
> #================================================== JanWieck@Yahoo.com #

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