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From: "Povolotsky, Alexander" <Alexander DOT Povolotsky AT marconi DOT com>
To: "'cygwin AT cygwin DOT com'" <cygwin AT cygwin DOT com>
Cc: "'Igor Pechtchanski'" <pechtcha AT cs DOT nyu DOT edu>
Subject: Clarifications RE original qustions posted in : How to configure Korn shell (having MKS installed) for the latest Cygwin version (just rec ently downloaded)?
Date: Fri, 30 Jul 2004 10:23:35 -0400
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Hello,

Igor - thanks for the info on the configuring Cygwin to use Korn shell
(ksh).
 
> Further, would you by any chance know whether cross-compiling/building
> Linux work in Cygwin, configured with Korn ksh shell (instead of bash
shell) ?

>As for your last question, ISTR that someone did cross-compile the Linux
>kernel on Cygwin (for some handheld device, IIRC).  I'm not sure if they
>used bash or ksh...  BTW, Googling for "cygwin Linux kernel cross-compile"
>turns up some promising matches, but I don't have the time to look at them
>in detail.

I am already cross-compiling Linux (2.6.7.rc2 to be exact) for PowerPC using
Cygwin's default bash shell.
So the question is - did any one tried to do it using Cygwin configured for
Korn ksh shell ?
My reason for doing it (cross-compiling Linux) on ksh ( ... and originally I
did not want to convolute my line of questioning...) is to integrate Cygwin
into Sniff+ IDE (on Microsoft Windows), which is MKS's Korn shell based.

Thanks,
Alex 
-----Original Message-----
From: Igor Pechtchanski [mailto:pechtcha AT cs DOT nyu DOT edu]
Sent: Friday, July 30, 2004 9:44 AM
To: Povolotsky, Alexander
Cc: cygwin AT cygwin DOT com
Subject: Re: How to configure Korn shell (having MKS installed) for the
latest Cygwin version (just recently downloaded)?


On Fri, 30 Jul 2004, Povolotsky, Alexander wrote:

> Hi Igor ,
> Could (in general) Cygwin be configured for Korn shell instead of bash
> shell ?
>
> I have MKS Unix emulation on Windows, installed (it is Korn shell based)
> - what would be the procedure in that case for configuring Korn shell
> for Cygwin ?
>
> Further, would you by any chance know whether cross-compiling/building
> Linux work in Cygwin, configured with Korn shell (instead of bash shell) ?
>
> Thanks (Spasibo) ,
> Best Regards,
> Alex (Sasha)

Alex,

It is, in general, a good idea to address Cygwin questions to the Cygwin
mailing list.  Not only will you get access to more expertise than any one
person can provide, but your question (and answers to it) will be archived
on the web for others to find.

To answer your first question, yes, Cygwin can be configured to use ksh
instead of bash.  The two places that should be changed are "/Cygwin.bat"
(you'll have to invoke "pdksh.exe", though, since "ksh.exe" is a symlink),
and "/etc/passwd" (change your default shell to "/usr/bin/ksh").  At the
moment, I can't think of any other places that might need changing, but
perhaps someone on the list will.  Please let the list know if this works.

I'm not sure I understand your second question.  Are you asking whether
Cygwin will interfere with MKS (and vice versa)?  AFAIK, if you keep the
tools separate, and make sure that either all Cygwin paths precede the MKS
ones, or all the MKS paths come first, there shouldn't be a conflict.  If
you're asking whether you can use Cygwin from MKS, why would you want to
do that?

As for your last question, ISTR that someone did cross-compile the Linux
kernel on Cygwin (for some handheld device, IIRC).  I'm not sure if they
used bash or ksh...  BTW, Googling for "cygwin linux kernel cross-compile"
turns up some promising matches, but I don't have the time to look at them
in detail.

Hope this helps (nadeyus', pomozhet),
	Igor
-- 
				http://cs.nyu.edu/~pechtcha/
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     |,4-  ) )-,_. ,\ (  `'-'		Igor Pechtchanski, Ph.D.
    '---''(_/--'  `-'\_) fL	a.k.a JaguaR-R-R-r-r-r-.-.-.  Meow!

"Happiness lies in being privileged to work hard for long hours in doing
whatever you think is worth doing."  -- Dr. Jubal Harshaw

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