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Date: Thu, 29 Jan 2009 09:28:50 +0100
From: Christoph Mallon <christoph.mallon@gmx.de>
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To: Andrew Reilly <andrew-freebsd@areilly.bpc-users.org>
References: <20090128155340.GA75143@lpthe.jussieu.fr>	<200901291243.00378.doconnor@gsoft.com.au>	<49811242.7030106@delphij.net>	<200901291330.18007.doconnor@gsoft.com.au>	<20090129030950.GA9605@troutmask.apl.washington.edu>
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Cc: freebsd-current@freebsd.org, d@delphij.net,
	Michel Talon <talon@lpthe.jussieu.fr>,
	Steve Kargl <sgk@troutmask.apl.washington.edu>
Subject: Re: Alternatives to gcc (was Re: gcc 4.3: when
 will	it	becomestandard compiler?)
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Andrew Reilly schrieb:
> On Wed, Jan 28, 2009 at 07:09:50PM -0800, Steve Kargl wrote:
>> The FSF has not decided what to do about the runtime libraries.
>> These are currently gplv2+link time exception.  In the future,
>> the libraries may be gplv3 + some new link time exception.
> 
> The libraries in question are those for long long multiply and
> other low-level code generation short-cuts, aren't they?  I
> understodd that crt0.o and libc.a were both BSD on FreeBSD.
> 
> So, to the extent that we currently use the gcc/gpl+exception
> libraries, is it a reasonable proposition to supply versions of
> our own, or would they necessarily be a derivative work of GCC
> simply because only gcc requires those particular runtime
> libraries?

You would just be implemeting an interface. This does not make the 
implementation a derivate work.