Re: No Bison 3 in untainted macOS installs

> On 15 Dec 2018, at 13:49, Akim Demaille <[email protected]> wrote:
> 
>> Le 15 déc. 2018 à 11:05, Uxio Prego <[email protected]> a écrit :
>> 
>> Does anybody know when Bison 3 is going to be added to
>> macOS?
> 
> $ git log COPYING | head -5
> commit f16b08196c780556cbf50691e2944960aebc46f6
> Author: Paul Eggert <[email protected]>
> Date:   Wed Aug 15 20:21:33 2007 +0000
> 
>    Update to GPLv3.
> 
> 
> $ git tag --contains f16b08196c780556cbf50691e2944960aebc46f6 | head -5
> GCC_2002-10-11
> libbitset_2003_06_08
> v2.3b
> v2.4
> v2.4.1
> 
> I was unaware that Bison was shipped as part of macOS.  Apple
> cannot stand the GPLv3, so there's no surprise they are stuck
> with 2.3, and won't change.  Although there's no license on the
> generated code.

I don't see the license in neither generated parsers, but in both
generated parsers there is the same nice exception note, the
`special exception` to `distribute that work under terms of your
choice, so long as [the nesting work is not a parser generator
itself] or a modified version thereof as a parser skeleton`.

My parser generated using Bison 2.3+apple states the
generated parser as (sic) `is free software and you can […]
under the terms of the GNU General Public License version
2, or (at your option) any later version.
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