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Re: Add GPL compatibility check for plugins

From: kenner at vlsi1 dot ultra dot nyu dot edu (Richard Kenner)
To: alexr at leftfield dot org
Cc: gcc-patches at gcc dot gnu dot org
Date: Fri, 19 Jun 2009 09:33:14 EDT
Subject: Re: Add GPL compatibility check for plugins
References: <20090618194657.GA22793@google.com> <7FB0A183-FBA4-4DFC-8C04-E54527B6ACB5@leftfield.org>

> IANAL, but wasn't this sort of check proven legally ineffective in  
> Sega v. Accolade anyway?
> 
> As I understand it, the plugin is free to define this symbol and not  
> be GPL-compatible no matter what the name of the symbol says.

Sure, the check isn't legally effective.  But there's no way to write
something that's as intimately related to GCC as a plug-in is without
being a derived work of GCC.  The check is just a reminder of that fact.

References:
- Add GPL compatibility check for plugins
  - From: Diego Novillo
- Re: Add GPL compatibility check for plugins
  - From: Alex Rosenberg

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