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Message-ID: <3EBE72E8.3010104@rfk.com>
Date: Sun, 11 May 2003 11:57:28 -0400
From: "Larry Hall (RFK Partners, Inc.)" <lhall AT rfk DOT com>
Reply-To: lhall AT rfk DOT com
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To: Dario Alcocer <alcocer AT helixdigital DOT com>
CC: cygwin AT cygwin DOT com
Subject: Re: cygipc (and PostgreSQL) XP problem resolved!
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Dario Alcocer wrote:
> On Sat, May 10, 2003 at 01:18:06PM -0400, Larry Hall (RFK Partners, Inc.) wrote:
> 
>>Dario Alcocer wrote:
>>
>>>For instance, the PowerTV tool chain uses GNUPro 99, which has an
>>>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
>>>latest cygwin1.dll, the PowerTV gcc/binutils cease to function
>>>correctly. I suspect it has something to do with the Cygwin API and/or
>>>ABI changing, and since the Cygwin DLL filename is exactly the same, it
>>>loads the new library instead of using the old one.
>>
>>Cygwin will bump the version number for the DLL (to cygwin2.dll) when
>>a backward incompatible change is made.  If you've had problems in the
>>past with the GNUPro toosl, you'd need to consult the provider of those
>>tools.  That's not a product of this project so this site doesn't support
>>it.  I can't speak to whether an ABI incompatible change has been made
>>w.r.t. the version of the Cygwin DLL that was distributed with that product.
> 
> 
> Well, I'll try to notify PowerTV. However, you can probably see where
> this might lead: PowerTV will say that they didn't write the toolkit,
> they just license it from Red Hat, which in turn will say they can't
> support you, you'll need a service contract.
> 
> Anyway, I'll get the balling rolling at work so we can start contacting
> PowerTV and Red Hat.
> 
> 
>>>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, and I don't recommend it. But it
>>>does serve to highlight the kinds of problems people might be running
>>>into in the field.
>>
>>If people have run into this kind of problem using the Cygwin distribution,
>>it needs to be reported.  I haven't seen anything on this list that would
>>indicate that's the case though.
> 
> 
> Actually, I think two other folks have reported issues that might be
> related to this. However, IIRC they were told that this list doesn't
> provide free support for the GNUPro 99 tools, and that they had to
> purchase a support contract, which is entirely reasonable IMO.
> 

I think it's fair to say, however, that if some enterprising soul can
track down the source of the problem, provide a small test case and/or
a patch, this list is interested in that.

-- 
Larry Hall                              http://www.rfk.com
RFK Partners, Inc.                      (508) 893-9779 - RFK Office
838 Washington Street                   (508) 893-9889 - FAX
Holliston, MA 01746


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