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From: "John H. Lindsay" <lindsay_j@rmc.ca>
To: Robert Dewar <dewar@merv.cs.nyu.edu>
Subject: Re: Ada 95 - the interpretation of the Gnu 'copy left'
Date: 1997/10/31
Date: 1997-10-31T00:00:00+00:00	[thread overview]
Message-ID: <345A076F.322@rmc.ca> (raw)
In-Reply-To: dewar.878175991@merv


I had written:
....  snip ....
>                                                                  I wonder if
> a short 1-paragraph plain English explanation is needed to
> accompany [the Gnu Public Licence]  ....

Robert Dewar replied: 
> I don't think a one paragraph summary would be likely to be helpful. I
> think most people understand quite clearly that the issue arises with
> runtime routines only (to think that the GPL somehow covers the *output*
> of the compiler makes no sense at all. ....
[ Robert compared the situation to the use of other (non-compiler)
programs.]

I agree, it makes no sense from my point of view and from others' point
of 
view too I say, but restricting the use of the run-time and the compiler 
output is possible, and I've seen it done, darn it all.
 
> ....                but the runtime is not under the GPL, due
> to the special exception paragraph:
....  snip  ....
> -- As a special exception,  if other files  instantiate  generics from this --
> -- unit, or you link  this unit with other files  to produce an executable, --
> -- this  unit  does not  by itself cause  the resulting  executable  to  be --
> -- covered  by the  GNU  General  Public  License.  This exception does not --
> -- however invalidate  any other reasons why  the executable file  might be --
> -- covered by the  GNU Public License.                                      --
....  snip  ....

Ahh !  So !  It's not covered.  Good.  Thanks.

-- 
John H. Lindsay                                lindsay_j@rmc.ca
Department of Mathematics and Computer Science
ROYAL MILITARY COLLEGE OF CANADA
P O BOX 17000  STN FORCES
KINGSTON  ON   K7K 7B4   CANADA

Phone: (613) 541-5010--6419
Fax:   (613) 541-6584




      reply	other threads:[~1997-10-31  0:00 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
1997-10-20  0:00 Ada 95 AlanVPham
1997-10-20  0:00 ` John Lindsay
1997-10-20  0:00   ` Robert Dewar
1997-10-21  0:00   ` Simon Wright
1997-10-29  0:00     ` Robert Dewar
1997-10-29  0:00       ` Ada 95 - the interpretation of the Gnu 'copy left' John Lindsay
1997-10-29  0:00         ` Robert Dewar
1997-10-31  0:00           ` John H. Lindsay [this message]
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