On Mon, Jun 21, 2004 at 06:20:14PM -0400, Tomasz Kojm wrote:
> > > - link against libclamav
> > > - directly use the virus databases
> > > - include our code in your software (obvious ;-))
> > could he write a shim that is LGPL'd that links to libclamav?
> Well, I don't know. This is a question to a lawyer.
1) The shim should be GPL'd, especially if it will be linked with
GPL code.
2) The GPL'd shim should only use published API calls (such that
any 3rd party could have written it - 3rd parties do this
frequently for other commercial products)
3) The non-GPL product must publish the API calls that the GPL shim
uses, such that any 3rd party could write their own GPL'd
shim or similar.
4) The GPL'd shim should be released and distributed separately,
with source code. The GPL'd shim should be made freely available
on a ftp and web site (even if the product that it is designed for
is not). Use sourceforge.net or similar to disassociate yourself
from it.
5) The product should not rely only on GPL products. Either a persuasive
case needs to be made as part of the marketting strategy, that the
product is only an infrastructure product - incomplete on its own,
or it must come with a non-GPL product, but with the option to use
a GPL product instead. (i.e. you can't sell the solution as complete,
if it isn't complete)
The above five bits of advice are from a non-lawyer, who has tried to
be aware of the issues from a legal standpoint. Many companies choose
to do less than the above. They get away with it. Do so at your own risk.
Cheers,
mark
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