[antlr-interest] ANTLR v3 compatible with GPL?

Terence Parr parrt at cs.usfca.edu
Tue Aug 15 14:45:09 PDT 2006


On Aug 15, 2006, at 1:34 PM, Micheal J wrote:
>> Yes, and this is what happens if you link to ANTLR v3's
>> library from GPL-code.  You are in essence re-licensing it as
>> GPL (which is allowed by the new BSD license, and which is
>> why that license is compatible with the GPL).
>> http://www.gnu.org/licenses/gpl-faq.html#WhatDoesCompatMean
>
>
> Not if you link to the ANTLR v3 binaries. Only if you wish to  
> include the
> ANTLR v3 sources in a GPL'ed program. You need to re-license to  
> satisfy the
> GPL requirement that all derivative works (of a GPL-licensed work)  
> must also
> be GPL. Actually that should be "must also be available under the  
> GPL". They
> may be simultaneously available under other licenses.

I will also point out that one must keep my BSD copyright in any  
source code and if in binary distribution I think in the manual or  
whatever...I don't think you can relicense a BSD as GPL.  What would  
it mean to have two licenses in a single file?

Ter


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