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Re: GNU

From: Linas Vepstas <linas at austin dot ibm dot com>
To: Frederick Joseph Ross <fjr6b at galileo dot phys dot virginia dot edu>
Cc: Przemyslaw Sliwa <przemyslaw dot sliwa at db dot com>, gsl-discuss at sources dot redhat dot com
Date: Mon, 15 Nov 2004 12:24:14 -0600
Subject: Re: GNU
References: <OF27D43B21.68D976D1-ON80256F4D.005C6260-00256F4D.005C7CFA@db.com> <Pine.LNX.4.44.0411151241030.28735-100000@node10.galileo>

Hi,

On Mon, Nov 15, 2004 at 12:42:02PM -0500, Frederick Joseph Ross was heard to remark:
> The GSL is under the GNU GPL.  Thus the answer is no.  You must publish 
> the code.  Some of us in academic environments use this as a form of self 
> defense against our institutions.

This answer is not quite correct. 

If someone uses GPL'ed code in in-house applications, they do not have
to publish the source to that application, *if* they do not distribute
binaries of that application outside of thier organization.

Companies only need to disclose the source code if they are distributing
binaries to outsiders (either for free or for profit). 

This allows e.g. stock-brokers to use GSL internally for stock-market
analysis, without disclosing thier algorithms to other, outside
stock-brokers.  Ditto biology/genetics labs, etc.

--linas

> 
> On Mon, 15 Nov 2004, Przemyslaw Sliwa wrote:
> 
> > I have a quick question.
> > 
> > Can I use the gsl-library in my commercial applications?
> > I do not publish the code.
> 
> -- 
> Fred Ross
> High Energy Physics Laboratory
> University of Virginia
> 
>

References:
- GNU
  - From: Przemyslaw Sliwa
- Re: GNU
  - From: Frederick Joseph Ross

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