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Re: [Libguestfs] Hivex licensing question



Thanks for the very quick reply Richard. I agree that it's bizarre.

On the Hivex side, a README in the gnulib directory would be very useful;
maybe just copying over the gnulib README file would be enough.

I'll take my further confusion over to the bug-gnulib@ mailing list :)

Thanks,

Hen

On 11/26/10 10:22 AM, "Richard W.M. Jones" <rjones redhat com> wrote:

> On Fri, Nov 26, 2010 at 10:03:05AM -0800, Yandell, Henri wrote:
>> We┬╣re looking into using Hivex and came across something odd. While
>> the license of hivex.c is LGPL 2.1, it appears to require the GPL
>> 3.0 licensed gnulib package for a few minor functions ( full_read,
>> full_write and c_toupper ). There are also a few GPL 3.0 build
>> files.
> 
> It has always been our intention to allow hivex to be used from both
> proprietary and free software, and so the library should be LGPLv2+.
> 
> The standalone programs are GPLv2+, but this should not be a problem
> because you wouldn't link software to them.
> 
> I have looked at the gnulib modules that we're using in the library
> (ie. lib/*) and they are:
> 
>   hivex    c-ctype    LGPLv2+
>   hivex    full-read  LGPL
>   hivex    full-write LGPL
> 
> (according to .gnulib/modules/* License field which is what you should
> look at, *not* the comments at the top of each gnulib source file
> bizarrely).
>
> Therefore I think for the library we are OK.
> 
> Just to complete the analysis, for the programs we are using:
> 
>   hivexsh  c-ctype   LGPLv2+
>   hivexsh  xstrtol   GPL
> 
> The Makefiles are GPL, but they don't affect the library or the
> programs in any way.  They constitute a separate program used to build
> the software.
> 
> Rich.
> 
> CC'd to Jim: This analysis is a pain, and gnulib-tool doesn't let you
> say "I want to use LGPL for this directory and GPL for this other
> directory".



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