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Re: PostgreSQL CVS does not compile under Cygwin (was Re: Cygwin test ...)

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Jason Tishler <jason(at)tishler(dot)net>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Pgsql-Cygwin <pgsql-cygwin(at)postgresql(dot)org>
Subject: Re: PostgreSQL CVS does not compile under Cygwin (was Re: Cygwin test ...)
Date: 2001-08-21 20:41:35
Message-ID: 200108212041.f7LKfZK08687@candle.pha.pa.us (view raw or flat)
Thread:
Lists: pgsql-cygwin
OK, I just applied a libpq SOCK_STRERROR() patch for Win98.  Would
people please try that and let us know how it works.

Not sure if this addresses the problems below.

> Tom,
> 
> On Tue, Aug 21, 2001 at 01:39:45PM -0400, Tom Lane wrote:
> > Jason Tishler <jason(at)tishler(dot)net> writes:
> > > The first attachment is the root cause of this problem.  If I revert
> > > pgconnection.h to version 1.11, then Cygwin PostgreSQL (i.e., libpq++)
> > > builds cleanly again.
> > 
> > Hmm.  What does it mean to attach a DLLIMPORT label to a class, anyway?
> 
> That is just a quick way to mark all class members dllexport/dllimport
> instead of having to do so for each one individually.
> 
> [I probably shouldn't throw fuel on the fire, but...]
> 
> FYI, there is a new version of Cygwin binutils that makes the DLLIMPORT
> cruft obsolete:
> 
>     http://www.cygwin.com/ml/cygwin-announce/2001/msg00100.html
> 
> In particular, check out Paul Sokolovsky's 'auto-import' functionality.
> 
> Oh yeah, I just remembered b20.1.  I guess that you can forget about the
> above. :,)
> 
> > Is it meaningful to do so on Cygwin (as opposed to bare WIN32)?
> 
> Cygwin and Win32 should treat DLLIMPORT the same.
> 
> > > I tried to build the Win32 stuff to see if the native libpq++ would build
> > > cleanly without the DLLIMPORT.  Unfortunately, the Win32 build seems to
> > > be broken too...  See second attachment.  Note that I can build 7.1.2
> > > under MSVC++.  Has the procedure for 7.2 changed?
> > 
> > No, but libpq's CVS tip is busted on WIN32.  See ongoing discussions
> > about fixing errno and strerror() handling on WIN32.  One way or another
> > we'll have it fixed soon.
> 
> Oops, I'm a little behind in reading pgsql-patches...  Or, has this been
> discussed on pgsql-hackers?
> 
> > BTW, I have no idea whether libpq++ (as opposed to libpq) has ever built
> > on WIN32 in the past.  The changes you are mentioning seem to be a
> > recent attempt to make it do so, which evidently needs further thought.
> 
> You are correct.  As of 7.1.2, libpq++ was not part of the Win32 build.
> 
> Jason
> 

-- 
  Bruce Momjian                        |  http://candle.pha.pa.us
  pgman(at)candle(dot)pha(dot)pa(dot)us               |  (610) 853-3000
  +  If your life is a hard drive,     |  830 Blythe Avenue
  +  Christ can be your backup.        |  Drexel Hill, Pennsylvania 19026

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