Hello everybody;
Daniel (Savard) and Duncan are right: the resulting native executable
is limited by the GPL license.
To simplify user's life, the next stable version of gprolog should be
fully released under the LGPL license (
http://www.gnu.org/licenses/lgpl.html ).
You can find the current (unstable) snapshot of 1.4.0 at:
http://gprolog.univ-paris1.fr/unstable/gprolog-20100713.tgz
I plan to release the stable version 1.4.0 in September or October.
Daniel
Alexander Wolfe aécrit :
Thanks for the help guys. It makes more sense to me now.
-Alex
On Jul 13, 2010, at 9:28 AM, Duncan Patton a Campbell wrote:
On Tue, 13 Jul 2010 12:00:43 -0400
address@hidden wrote:
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Today's Topics:
1. License questions (Alexander Wolfe)
2. Re: License questions (Daniel Savard)
----------------------------------------------------------------------
Message: 1
Date: Mon, 12 Jul 2010 11:42:50 -0700
From: Alexander Wolfe<address@hidden>
Subject: License questions
To: address@hidden
Message-ID:
<address@hidden>
Content-Type: text/plain; charset="iso-8859-1"
I have a couple of questions about the use of gprolog compiled programs. I
understand that gprolog is GPL software and that any modified version of
its
codebase would be required to be released under a GPL compatible license.
What about programs compiled with gprolog? I know that gcc does not
restrict
compiled programs to the GPL. What is the case here?
Thank you.
-Alex
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Message: 2
Date: Mon, 12 Jul 2010 15:21:54 -0400
From: Daniel Savard<address@hidden>
Subject: Re: License questions
To: address@hidden
Message-ID:
<address@hidden>
Content-Type: text/plain; charset=ISO-8859-1
2010/7/12 Alexander Wolfe<address@hidden> :
I have a couple of questions about the use of gprolog compiled
programs. I
understand that gprolog is GPL software and that any modified version of
its
codebase would be required to be released under a GPL compatible license.
What about programs compiled with gprolog? I know that gcc does not
restrict
compiled programs to the GPL. What is the case here?
The answer is obvious, same license same terms. A license cannot
pretend to acquire rights on the original work of others. The idea of
a license is to protect something and in this case, the GNU-Prolog
compiler.
I know there is some copyrights and intellectual property lawyers
which are dessiminating the idea the GPL license extend to everything
developped using OSS. But they are wrong. There is plenty of examples
they are.
BTW, I am not a lawyer, so, if this is a very sensitive question for
you, ask one or more than one, but pick a good one.
Nor am I, but at the end of the COPYING file in the source install of
Gprolog
you will find the following:
"
This General Public License does not permit incorporating your program
into
proprietary programs. If your program is a subroutine library, you may
consider it more useful to permit linking proprietary applications with
the
library. If this is what you want to do, use the GNU Library General
Public License instead of this License.
"
This is the LGPL loophole, allowing you to LINK your own code to
the Gprolog Libraries without releasing your code under the GPL.
So your development environment is under the main GPL and you
could not sell it without the full GPL viral recursion, but
target/end use products are not so encumbered, given that
they are substantially different in function and purpose than
Gprolog itself.
Dhu
Regards,
--
-----------------
Daniel Savard
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