Quoting Gert Wollny (2018-03-02 19:02:44)
> Am Freitag, den 02.03.2018, 17:49 +0100 schrieb Philip Hands:
> > Gert Wollny <gw.foss...@gmail.com> writes:
> > 
> > > Am Freitag, den 02.03.2018, 14:01 +0100 schrieb Iustin Pop:
> > > > 
> > > > How do you (we) know the package indeed is DFSG-compliant, if 
> > > > there is no license information? If upstream cannot bother to 
> > > > provide headers, how do we know the code is indeed licenced 
> > > > under the claimed licence?
> > > > Etc.
> > > > Note: I haven't looked at the package. Maybe I misunderstand the 
> > > > situation…
> > > 
> > > The information is all there big parts of it just can't be 
> > > automatically extracted (mostly the copyright information),
> > 
> > Would you be so kind as to cite some examples of copyright 
> > information that is there but not automatically extractable, just so 
> > that we can get an idea of what you have in mind?
> 
> Sspecifically in vtk7 there are two main issues, one is that in nearly 
> all files the main copyright header is
> 
>   Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
>   All rights reserved.
>   See Copyright.txt or http://www.kitware.com/Copyright.htm for 
>   details.
> 
>      This software is distributed WITHOUT ANY WARRANTY; without even
>      the implied warranty of MERCHANTABILITY or FITNESS FOR A ARTICULAR
>      PURPOSE.  See the above copyright notice for more information.
> 
> Which means licensecheck will report an unknown license, and one has 
> to check what is actually written in these files. Copyright.txt is 
> then simply a BSD-3 clause license, but obviously one has to check.
> 
> The second issue is that there are often two or more distinct 
> copyright notices in different blocks with different statements, think 
> variations of:
>   
>  Copyright 2008 Sandia Corporation.
>  Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
>  the U.S. Government retains certain rights in this software.
> 
>  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
>  All rights reserved.
>  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
> 
> Another licenses that is not recognized is 
> 
>  Copyright 2008 Sandia Corporation.
>  Under the terms of Contract DE-AC04-94AL85000, there is a non-
>  exclusive license for use of this work by or on behalf of the
>  U.S. Government. Redistribution and use in source and binary forms, 
>  with or without modification, are permitted provided that this Notice
>  and any statement of authorship are reproduced on all copies.

Thanks for elaborating.

Please consider filing bugreports against licensecheck.  I can be slow 
to respond to them, but dearly appreciate examples of challenging cases.


 - Jonas

-- 
 * Jonas Smedegaard - idealist & Internet-arkitekt
 * Tlf.: +45 40843136  Website: http://dr.jones.dk/

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