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Re: GNU Libtool - Licensing


From: Gary V. Vaughan
Subject: Re: GNU Libtool - Licensing
Date: Tue, 8 Jan 2019 15:50:09 -0800


> On Jan 8, 2019, at 3:48 PM, Gary V. Vaughan <address@hidden> wrote:
> 
> Hi Christopher,

Sorry Christoph - autocorrect fail :-(

> My current employer does not sign FSF disclaimers, so I have not been able to 
> work on libtool for the last 4 years.  I’m Cc:ing the libtool list where you 
> might find someone who can help.
> 
> However, the intent of the exceptions is to allow you to build your software 
> using libtool without forcing you to license your own code as GPL - anything 
> that suggests otherwise is certainly an oversight or a misunderstanding.
> 
> I see that the upstream sources for options-parser have had their license 
> texts updated since the last libtool release:
> 
>  
> https://github.com/gnulib-modules/bootstrap/blob/master/build-aux/options-parser
> 
> ...so, in the worst case you could rebootstrap your libtool tree with the 
> latest gnulib and bootstrap-modules to get an ltmain.sh without the confusing 
> licenses?
> 
> Cheers,
> Gary
> 
> Sent from my iPhone
> 
>> On Jan 8, 2019, at 6:27 AM, Christoph Stubhann <address@hidden> wrote:
>> 
>> Hello Gary,
>> 
>> first of all I wanted to thank you and your colleagues for your ongoing 
>> effort to provide useful tools for the international community; you're doing 
>> a great job, for all of us! ;)
>> 
>> I am currently working on a small media library that utilizes Gstreamer for 
>> audio and video streaming.
>> A friend of mine pointed out that I should keep in mind under which software 
>> license I put my media library, just in case I wanted to publish it someday.
>> When I took a closer look into the files of the Gstreamer library, I 
>> discovered that there is a file named "ltmain.sh" in the package, which 
>> seems to be a generated file for GNU Libtool and which is composed of a 
>> couple of other scripts, right?
>> For most of these scripts there are exceptions in the license header, but 
>> for the options-parser script the license header states that it is under the 
>> GPL v3 license without any exception.
>> Will this cause the whole "ltmain.sh" file (and therefore the whole 
>> Gstreamer library package, and therefore also my media library) to become 
>> licensed under GPL v3? And is the absence of an exception in the license 
>> header of the options-parser script intentional? Or is it maybe just a 
>> little careless mistake?
>> Please forgive me my possible ignorance, but the whole licensing topic is 
>> very new to me.
>> I hope you can help me with this matter; thanks in advance! :)
>> 
>> Kind regards,
>> Chris
> 




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