Re: [Boost-build] bjam 4.0.. in C++

Subject: Re: [Boost-build] bjam 4.0.. in C++
From: Vladimir Prus (vladimir_at_[hidden])
Date: 2010-06-16 08:26:46

Phillip Seaver wrote:

> On 6/15/2010 6:53 AM, Vladimir Prus wrote:
>> On Tuesday 15 June 2010 14:41:38 Philipp Thomas wrote:
>>
>>   
>>> * Rene Rivera (grafikrobot_at_[hidden]) [20100523 17:55]:
>>>
>>>     
>>>> And I generally want to stay away from GNU (and the GPL).
>>>>       
>>> I can understand that, given that including bison/flex generated code puts
>>> the complete code under GPL.
>>>     
>> Isn't there an exception?
>>   
> 
> According to
> http://www.gnu.org/licenses/gpl-faq.html#CanIUseGPLToolsForNF there is
> for Bison:
> 
> As it happens, Bison can also be used to develop non-free programs. This
> is because we decided to explicitly permit the use of the Bison standard
> parser program in Bison output files without restriction. We made the
> decision because there were other tools comparable to Bison which
> already permitted use for non-free programs.
> 
> flex appears to be under a BSD license.

Exactly, so there's no problem after all.

- Volodya