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Date:	Tue, 24 Oct 2006 18:47:41 -0400
From:	"Larry Hall (Cygwin)" <reply-to-list-only-lh AT cygwin DOT com>
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Subject:	Re: 1.5.21-1: CIFS symlinks on network share break Cygwin
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Jonathan Lanier wrote:
> Well, I thought of that - first rule of debugging, calculatus
> eliminatus.  I tried it; but, attempts to use the older DLLs with newer
> apps (or vice-versa) result in corrupted shared memory, and force me to
> reboot my WinXP box.  I've been under the impression that cygwin1.dll
> isn't really meant to be cross-compatible with applications built
> against other versions of Cygwin, which would probably make the search
> useless.  If anyone knows otherwise, I'm keen to hear anything about
> cygwin1.dll-swapping that could be of use - i.e. how far back I could go
> and expect to retain binary compatibility.
> 

There is backwards binary compatibility but not forward.  So I'd suggest,
if you're interested in trying this, that you use your 1.5.14 environment
and swap in DLLs until it doesn't work.  But keep your original DLL so you
can "reset" it at the end.  Start with the oldest snapshot and binary search
your way in.

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

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