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Message-ID:	<3E529AA4.3010009@rfk.com>
Date:	Tue, 18 Feb 2003 15:42:12 -0500
From:	"Larry Hall (RFK Partners, Inc.)" <lhall AT rfk DOT com>
Reply-To:	lhall AT rfk DOT com
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To:	Max Bowsher <maxb AT ukf DOT net>
CC:	Ben Clewett <B DOT Clewett AT roadrunner DOT uk DOT com>, cygwin AT cygwin DOT com
Subject:	Re: Duplicate CygWin
References:	<F37KT2qeSqk0qcITzSO00000d4d AT hotmail DOT com> <3E525380 DOT 2000801 AT roadrunner DOT uk DOT com> <001e01c2d78c$e59ead50$78d96f83 AT pomello>
In-Reply-To:	<001e01c2d78c$e59ead50$78d96f83@pomello>

Max Bowsher wrote:
> Ben Clewett wrote:
> 
>>For my working, I would need a fully detached CygWin.  It's own
>>memory, it's own DLL, and not a dependence on an existing
>>installation.
>>
>>This is because I will be using Install Sheild to load and run an
>>entire application, which is compiled under CygWin, onto a foreign
>>machine, which may be of any setup including an old, badly setup,
>>hached and conflicting CygWin...  Also then the 'Add/Remove Software'
>>can rid the foreign OS of my stuff, without deleting the CygWin which
>>is being used by my poor customer.
>>
>>I do not need this for about six months, so will give me plenty of
>>time to have a good hack and get to know CygWin a lot better....
> 
> 
> Make sure you aware of licensing issues before you start bundling the Cygwin
> DLL with something.
> 
> On the technical side, I have been able to prepare an isolated Cygwin - I
> now have a mygwin1.dll and a simple "Hello World!" exe that uses it, and
> which does not clash with running cygwin.
> 
> I would like to point out that there was one stumbling block in addition to
> DLL name and shared memory ID. It is only an issue if you want to run a
> mygwin exe from a cygwin one. It is the child_info struct that it passed
> between cygwin processes. Currently, you get version clash here, requiring
> some hacking to enforce isolation here too.


OK Max.  Are you prepared for the onslaught of the "can I have this?" and
"where can I get this?" questions now? ;-)


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


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