Re: Licensing Issues for LC developers [was: Re: Reading PDF - a cry for help]

2011-10-03 Thread Kee Nethery
FYI:

The work around that I have seen used is to keep your code and the GPL code 
completely separate. In fact, when someone downloads and installs your code, 
the very first thing your code would do is ask people to approve the install of 
the GPL code. Then if they say yes, download the binary and install it on their 
computer. If they say no, let them know your software cannot function without 
the GPL code and then offer them the option of getting a refund or having your 
code download the GPL binary.. 

Thus, you ship just your code. They purchase just your code. Your code installs 
the free GPL code if the user asks for it to be installed. In your manual or 
help screens you provide links to the source of the GPL code.

That process seems to be used by others. Of course, I am not a lawyer and I 
don't even play one on TV so you should assume everything I have just written 
is incorrect.

Kee Nethery


On Oct 3, 2011, at 4:03 AM, Graham Samuel wrote:

 The applicable part of the GPL referring to compiled and complete versions of 
 programs (such as GhostScript in binary form, which is what I intend to use) 
 is Section 6. It does allow use of the compiled code, provided that the user 
 is offered access to the source code (this is 6b). So Bernard, I think you 
 are right and that Artifex is wrong - which means the use of 'free' software 
 (using the term as GNU uses it) is OK.

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Re: Licensing Issues for LC developers [was: Re: Reading PDF - a cry for help]

2011-10-03 Thread Bernard Devlin
My pleasure.  I'm sure that there are plenty of discussions on the
internet that will help you further understand what is possible and
where the limitations are.  It seems a shame to throw away a possible
solution to a problem on a misunderstanding of the possibilities.  My
thoughts on the matter were based on my recollection of discussions
with Richard years ago.  I don't actually distribute any GPL software
with my applications, so the possibilities and limitations are mostly
of academic interest to me.  Like Kee, I'm not a lawyer.

I hope the suggestions on the other thread provide you with technical
feasibilities.

Let us know if your research uncovers issues that we laymen have
missed.  When I've tried to discuss the GPL with lawyer friends, they
are very reluctant to give me a firm opinion of what is involved (it
makes me wonder if they are really worth the social liability entailed
in having them as friends).

Bernard

On Mon, Oct 3, 2011 at 12:03 PM, Graham Samuel livf...@mac.com wrote:
 Thanks Bernard for that very interesting insight.

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