Re: [Libusb-win32-devel] LibUsb_win32 license question

[Stephan M. <Ste...@ia...>]

To fulfill the requirements of the license (LGPL/GPL)
you ...

- DO NOT have to distribute the source code of your
  own application. The LGPL explicitly allows you to
  link your (closed source) application against the
  library
- if you distribute libusb-win32's driver or DLL
  along with your own application then you either
  have to provide libusb-win32's source code or
  point your users to a location where they can 
  download it. You also have to include libusb-win32's 
  licence and copyright so that your users know about
  their rights (and responsibilities)


Stephan
 


> Hello everybody on the list,
> 
> This is my first post on this list, and I hope that someone here 
> could bring me precisions, even if my question may sounds dumb.
> 
> I am developping an application for my employer (that is, a 
> commercial application, although this application will maybe be 
> distributed freely). 
> This application uses LibUsb-win32 in order to establish an usb 
> communication with an usb device and exchange data via bulk transfers. 
> The application is (currently) compiled with VisualStudio, includes 
> the usb.h header and libusb.lib (in order to compile). The LibUsb-
> win32 library in itself has not been changed in any way.
> 
> My question is about license and distribution : I have carrefully 
> read the LGPL v2.1, but I would like to make sure that I fully 
> understand all the terms, in order not to deny the authors rights inany 
way. 
> 
> Since my application "contains no derivative of any portion of the 
> library, but is designed to work with the library by being compiled 
> or linked with it", it is a "work that uses the library", and I 
> think that I am free to distribute my application without providing 
> the source code and/or the object files of my application. Am I right? 
> In a case where my application would display copyright notice, I 
> plan to mention LibUsb-Win32.
> I also plan to distribute the LibUsb-Win32 library, including 
> copyright notice, disclamer of warranty and a copy of the LGPL, as 
expected. 
> 
> Could someone confirms that I not going the wrong way?
> If I am not in a case that allows me to distribute my application 
> without providing the source and objets files of my application, 
> what should I do to be allowed to do so? 
> 
> Thank you in advance for your support
> And sorry for this rather boring question (My aim is to make sure 
> that I satisfy my obligations under the license, and to go against 
> the rights of the authors)
> 
> V.
> 
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