Duplicate CygWin

[Ben Clewett <B dot Clewett at roadrunner dot uk dot com>]

(Sorry about incorrect subject on first posting)

Noting:-  It's not a cut down version of CygWin*.DLL I need, but a cut 
down version of the file system, to just a couple of dozen files in 
/bin, /tmp, /usr and /etc, forming a 'mini' UNIX for a specific application.

Just been scanning the postings quickly.  My knowlage of the internals 
of CygWin are vauge, but are you saying it's impossible to have two 
sideways compatable versions of CygWin installed, as any detected 
version miss-match (likelly) will drop the code?

And there is no way of controling CygWin so that it uses only a specific 
.dll?  (ie, using the PATH variable or something...)

My other need, to have a separate /root directory for each runnin 
Cygwin, I can't see anything on that.

If this is not possible, would it be too hard to put some hack into the 
.dll to, say, read an environment variable for it's root, before the 
usual registry search?

Regards,

Ben



Ronald Landheer-Cieslak wrote:
> On Tue, 18 Feb 2003, Ben Clewett wrote: >
> > I need to have two copies of CygWin running.  Really I do!  The default 
> > one in c:\cygwin and another very cutdown version running from 
> > c:\Progra~1\my_public_app.
> > If it makes things easier, the second is a bespoke and does not need to 
> > see the OS outside it's installed directory, or run stuff I have not 
> > personally configured for it.  It just needs a new /root directory really.
> > I belive the two things needed are a method to avoid conflicts of 
> > different cygwin.dll versions being seen, by control of the PATH 
> > variable maybe?
> OK.. there's just been a discussion vaguely about this subject involving a 
> version of Cygwin called Xygwin. You might want to read through that 
> thread, which starts here: 
> http://cygwin.com/ml/cygwin/2003-02/msg01250.html
> The interesting part of the thread (for you) starts here:
> http://cygwin.com/ml/cygwin/2003-02/msg01286.html
>
> Read this carefully, find out what the people behind Xygwin failed to do 
> with Cygwin, and do it to the cut-down version of Cygwin you want to have. 
> Good luck,
>
> rlc


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