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Date: Sun, 25 Jun 2000 15:10:09 -0700 (PDT)
From: Earnie Boyd <earnie_boyd AT yahoo DOT com>
Reply-To: earnie_boyd AT yahoo DOT com
Subject: Re: Introducing slight binary incompatibility in newer executables?
To: cygwin-developers AT sourceware DOT cygnus DOT com
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--- Chris Faylor <cgf AT cygnus DOT com> wrote:
> I am contemplating a change to the cygwin crt0 code that will move some
> more shared data into the DLL.  I can make the DLL backwards compatible
> with older executables but making the new executables backwards
> compatible with older DLLs is not as easy.  So:
> 
> DLL		"New" exe	"Old" exe
> <1.1.3		doesn't work	works
> >1.1.3		works		works
> 
> What's the consensus on this?  We've discussed breaking binary
> compatibility from time to time.  This is not precisely that bad
> but it may generate some confused mailing list traffic.
> 
> The error will be something like "entry point cygwin_user_data not
> found".  The solution will be simple: "Upgrade your DLL".
> 
> The benefits are smaller user programs and a slightly faster cygwin DLL.
> 

I'm in favor of anything that adds speed up.  I would suggest a final release
of the current dll (a 1.1.4) and to increment the minor version so that we
would get 1.3.0.

Cheers,

=====
---
   Earnie Boyd: <mailto:earnie_boyd AT yahoo DOT com>
            __Cygwin: POSIX on Windows__
Cygwin Newbies: <http://www.freeyellow.com/members5/gw32/index.html>
           __Minimalist GNU for Windows__
  Mingw32 List: <http://www.egroups.com/group/mingw32/>
    Mingw Home: <http://www.mingw.org/>

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