> Hello,
> 
> As part of the Debian packaging process, I'm trying to track down the
> copyright and license terms of all parts of the GHDL source. Most of
> it
> is obviously GPL-2+ of course. Parts of the VHDL library have
> different
> licenses and those are mostly explicitly marked. However I can not
> find
> copyright information for some files in the IEEE libraries.
> 
> I guess there are ultimately two questions: 1) What are the license
> terms of the files? 2) Are the license terms acceptable for Debian?
> Right now I'm mostly concerned with the first question.
> 
> libraries/ieee/std_logic_1164*.vhdl do not contain a copyright
> statement. Is there anything known about the origin of these files
> and
> the terms under which they may be used?
> 
> libraries/ieee/numeric*.vhdl is copyright IEEE and may be distributed
> without change.
> 
> libraries/ieee/math*.vhdl is copyright IEEE with unfavourable
> license.
> Can probably be replaced with latest IEEE2008 release to obtain
> relaxed license terms.

In fact they were.  But the header hasn't changed.
I have added README.ieee in libraries/ieee which explain the
copyright status:

""
 The licensing change allows the standard’s supplemental materials or 
“packages” to be made available to the public without prior authorization from 
the IEEE Standards Association (IEEE-SA). 
""

> libraries/ieee2008/* is copyright IEEE with unfavourable license.
> A newer release is available from IEEE under relaxed license terms.
> http://standards.ieee.org/downloads/1076/1076-2008/
> 
> libraries/vital95/* and libraries/vital2000/* do not contain a
> copyright statement. Is there anything known about the origin of
> these
> files and the terms under which they may be used?

They were found on the web, but I agree the status is not clear.

Maybe they should be removed from debian distributions until
this is clarified.

Tristan.

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