gcc3 source code in xorg-server-1.6.1.901

[Thomas Dickey]

On Sat, 30 May 2009, Jon TURNEY wrote:

>
>
> Jeremy Huddleston wrote:
>> So it looks like 1.6.1.901 was 'make dist'd with a gpl3 yacc...
>> specifically, these two files are licensed under GPL-3:
>>
>> ./kdrive/xorg-server-1.6.1.901/hw/xwin/winprefsyacc.c
>> ./kdrive/xorg-server-1.6.1.901/hw/xwin/winprefsyacc.h
>>
>> """
>>     This program is free software: you can redistribute it and/or modify
>>     it under the terms of the GNU General Public License as published by
>>     the Free Software Foundation, either version 3 of the License, or
>>     (at your option) any later version.
>> """
>>
>> I know I can just nuke the files myself (which I will since I don't
>> need xwin), but perhaps this should be discussed (and corrected)...
>
> The next comment block is perhaps also significant
>
> /* As a special exception, you may create a larger work that contains
>    part or all of the Bison parser skeleton and distribute that work
>    under terms of your choice, so long as that work isn't itself a
>    parser generator using the skeleton or a modified version thereof
>    as a parser skeleton.  Alternatively, if you modify or redistribute
>    the parser skeleton itself, you may (at your option) remove this
>    special exception, which will cause the skeleton and the resulting
>    Bison output files to be licensed under the GNU General Public
>    License without this special exception.
>
>    This special exception was added by the Free Software Foundation in
>    version 2.2 of Bison.  */

That wording could, for example, be construed to prohibit using the 
skeleton in an application that generates parsers from a meta description 
for xkb and the like.

Shorter - it doesn't really permit modifying the skeleton...

(a quick read over the .y file doesn't show me any bison-specific code - 
is there some reason why bison was used?)

-- 
Thomas E. Dickey
http://invisible-island.net
ftp://invisible-island.net