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From: Erik de Castro Lopo <ocaml-erikd@mega-nerd.com>
To: caml-list@inria.fr
Subject: Re: [Omake] Re: [Caml-list] Announcing the OMake build system version 0.9.1
Date: Mon, 6 Sep 2004 17:50:56 +1000	[thread overview]
Message-ID: <20040906175056.11fbd33b.ocaml-erikd@mega-nerd.com> (raw)
In-Reply-To: <Pine.LNX.4.44.0409052228330.5809-100000@localhost.localdomain>

On Sun, 5 Sep 2004 22:54:09 -0500 (CDT)
Brian Hurt <bhurt@spnz.org> wrote:

> Having actually had a discussion with an IP lawyer over basically this 
> issue, fears of the GPL in this case are (I think) unfounded.
> 
> First off, the GPL only covers, can only cover, derived works.  The GPL-
> nor any copyright license- can not "infect" anything other than derived
> works.  No license can- as a copyright holder, you only have rights over
> the original work and derivitive works, you have no more rights than that,
> period.  So the question becomes one of what is a derived work.  Wether or
> not simply *linking* creates a derived work is one that has not been
> answered authoritively. 

I think (and hope) that existing practice supports the idea that
linking does create a derived work.

I am the (sole) author of a library released under dual license;
the GPL for linking with GPL compatibale code and a commercial use
license allowing people to use the library in closed source
applications. This commercial use license earns me money.

The very fact that I give people an option (GPL or commercial)
shows the intention that the library can only be used with 
closed source programs if a license is paid for. I am hoping
that not even the slimiest lawyer would try to get around this.

> This is why it's an open question as to wether simply linking 
> code makes the linked code "derivitive" enough for the GPL to cross the 
> threshold.  If this becomes important, hire a lawyer.

If you do decide to hire a lawyer, be aware of the large body
of existing practice that would be used by the defence to 
uphold the linking/derived work connection.

Erik
-- 
+-----------------------------------------------------------+
  Erik de Castro Lopo  nospam@mega-nerd.com (Yes it's valid)
+-----------------------------------------------------------+
"Linux is produced to be used, whereas the others are produced
to be sold"  -- Bobby D. Bryant

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  parent reply	other threads:[~2004-09-06  7:51 UTC|newest]

Thread overview: 85+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-09-04 16:26 Jason Hickey
2004-09-04 17:42 ` Nicolas Cannasse
2004-09-04 18:27   ` chris.danx
2004-09-04 19:59     ` Matthieu Dubuget
2004-09-05  5:20       ` skaller
2004-09-05 13:20         ` David Brown
2004-09-05 14:31           ` skaller
2004-09-05 16:02             ` David Brown
2004-09-05 16:14               ` Nicolas Cannasse
2004-09-05 15:07           ` chris.danx
2004-09-05 15:53             ` skaller
2004-09-06  0:25               ` chris.danx
2004-09-06  8:17                 ` skaller
2004-09-05 13:38         ` Marcin 'Qrczak' Kowalczyk
2004-09-05 14:50           ` chris.danx
2004-09-05 15:01             ` Marcin 'Qrczak' Kowalczyk
2004-09-05 15:44               ` chris.danx
2004-09-05 16:10                 ` Marcin 'Qrczak' Kowalczyk
2004-09-05 17:38                   ` skaller
2004-09-05 17:15                 ` skaller
2004-09-05 16:11               ` skaller
2004-09-05 16:21                 ` Marcin 'Qrczak' Kowalczyk
2004-09-05 19:09                   ` skaller
2004-09-05 15:08           ` skaller
2004-09-05 15:38             ` Marcin 'Qrczak' Kowalczyk
2004-09-05 17:04               ` skaller
2004-09-05 18:45                 ` Marcin 'Qrczak' Kowalczyk
2004-09-05 20:12                   ` skaller
2004-09-05 21:30                     ` Marcin 'Qrczak' Kowalczyk
2004-09-05 22:41                       ` Brandon J. Van Every
2004-09-06 12:13                         ` Marcin 'Qrczak' Kowalczyk
2004-09-05 16:09             ` David Brown
2004-09-05 18:31               ` skaller
2004-09-06 10:56                 ` Andreas Rossberg
2004-09-06 15:51                   ` skaller
2004-09-06  7:11           ` Christian Lindig
2004-09-06 12:20             ` Marcin 'Qrczak' Kowalczyk
2004-09-06 14:12               ` Christian Lindig
2004-09-06  1:06         ` Richard Jones
2004-09-06  1:50           ` Brandon J. Van Every
2004-09-06  9:09             ` skaller
2004-09-06  8:59           ` skaller
2004-09-04 23:58     ` Nicolas Cannasse
2004-09-05  1:18       ` james woodyatt
2004-09-05  1:26         ` [Caml-list] Perl Conjury (alternative to Unix make) james woodyatt
2004-09-05  2:03         ` [Caml-list] Announcing the OMake build system version 0.9.1 David Brown
2004-09-05  2:37           ` james woodyatt
2004-09-05  6:24             ` Nathaniel Gray
2004-09-05 20:38         ` Aleksey Nogin
2004-09-06  0:12           ` james woodyatt
2004-09-06  0:33             ` [Omake] " Aleksey Nogin
2004-09-06  3:54               ` Brian Hurt
2004-09-06  6:39                 ` Jason Hickey
2004-09-06  8:10                   ` james woodyatt
2004-09-06  7:50                 ` Erik de Castro Lopo [this message]
2004-09-06 14:52                   ` [Omake] " Brian Hurt
2004-09-06 17:20                     ` skaller
2004-09-06  9:52                 ` skaller
2004-09-06 15:10                   ` Brian Hurt
2004-09-07 13:26                 ` David Brown
2004-09-06  1:14             ` Brandon J. Van Every
2004-09-06  2:35             ` Jacques GARRIGUE
2004-09-06  9:38               ` skaller
2004-09-06 11:34                 ` Jacques Garrigue
2004-09-06 16:28                   ` skaller
2004-09-06 16:42                     ` Christopher A. Watford
2004-09-06 16:59                       ` Richard Jones
2004-09-07  2:21                     ` Jacques GARRIGUE
2004-09-07  6:17                       ` skaller
2004-09-07  8:24                         ` Benjamin Geer
2004-09-07 13:35                     ` David Brown
2004-09-06  7:51             ` Daniel Andor
2004-09-05 20:38   ` Aleksey Nogin
2004-09-05 22:57     ` Olivier Grisel
2004-09-06  0:17       ` Aleksey Nogin
2004-09-06 13:31         ` Olivier Grisel
2004-09-06 19:28           ` [Caml-list] Godi for OMake [Was: Announcing the OMake build system version 0.9.1] Aleksey Nogin
2004-09-06 20:18             ` Olivier Grisel
     [not found]               ` <41537DAE.1050601@cs.caltech.edu>
2004-09-24 13:50                 ` Olivier Grisel
2004-09-24 18:37                   ` [Caml-list] OCamlFind support in OMake [Was: Godi for OMake] Aleksey Nogin
2004-09-04 18:01 ` [Caml-list] Announcing the OMake build system version 0.9.1 Yaron Minsky
2004-09-05  1:38   ` Eray Ozkural
2004-09-05  6:12 ` Yamagata Yoriyuki
2004-09-05 12:48   ` Yaron Minsky
2004-09-05 20:39     ` Aleksey Nogin

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