From maintainers-request at octave dot org Mon Jan  9 07:28:36 2006
Subject: Re: Successful compilation with MinGW
From: Andy Adler <adler at site dot uOttawa dot ca>
To: Shai Ayal <shaiay at gmail dot com>
cc: Bill Denney <denney at seas dot upenn dot edu>,         octave maintainers mailing list <maintainers@octave.org>
Date: Mon, 9 Jan 2006 08:26:16 -0500 (EST)

On Mon, 9 Jan 2006, Shai Ayal wrote:

> I think that including a cygwin1.dll in a "nice" windows installer is
> not that hard. From what I remember, the problem pops up when you
> already have another version of the cygwin1.dll installed you get very
> bad conflicts since they seem to relay on version independent registry
> entries-- i.e. installing octave+cygwin.dll in a system with cygwin
> already installed would break the old cygwin installation.
>
> If we were able to get around this problem, a one-step windows
> installer would be possible.


It is not hard to write a special cygwin1.dll that does not conflict.
The easist way is to binary edit it to replace "Cygnus Solutions" as
the registry key.

In the 2.1.42 windows version I provided, the reg key was "GNU Octave.
http://www.site.uottawa.ca/~adler/octave/index.html

--
Andy Adler <adler at site dot uOttawa dot ca> 1(613)562-5800x6218