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Date: Sat, 10 May 2003 19:22:31 +0200
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: cygipc (and PostgreSQL) XP problem resolved!
Message-ID: <20030510172231.GN19367@cygbert.vinschen.de>
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On Sat, May 10, 2003 at 09:56:11AM -0700, Dario Alcocer wrote:
> But what if the data types used by the existing functions are changed?
> In other words, the old library has void FooFunc(off_t) where off_t is a
> 4-byte quantity, but the new library uses an 8-byte off_t?

So what?  If we change the name, we don't have anything like a
transition period.  It's just a new DLL which requires to rebuild
all tools to work with.  It's a whole new release.

My old 16/32 bit apps are still working fine under a new 32/64 Cygwin
DLL.  Your below example is a bad coincidence.

> For instance, the PowerTV tool chain uses GNUPro 99, which has an

Urgh, that's pretty old...

> ancient cygwin1.dll included. As long as I don't install the latest
> Cygwin stuff, everything is ok. However, as soon as I install the

Are you talking about 1.3.22 or the current stuff from CVS?

> They way I've gotten around this issue is to binary edit the PowerTV
> tool chain and change references to the cygwin1.dll to refer to
> cygwin0.dll; this is a very ugly hack.

But it works.  I recall having to do the same with a couple of tools
when Cygwin changed from cygwinb20.dll to cygwin1.dll.

Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Developer                                mailto:cygwin AT cygwin DOT com
Red Hat, Inc.

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