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Date:      Mon, 3 Aug 1998 20:43:11 +1000 (EST)
From:      "Andrew Reilly" <reilly@zeta.org.au>
To:        tlambert@primenet.com
Cc:        malte.lance@gmx.net, reilly@zeta.org.au, jgrosch@mooseriver.com, shocking@prth.pgs.com, hackers@FreeBSD.ORG
Subject:   Re: Fast FFT routines with source?
Message-ID:  <19980803104312.21747.qmail@gurney.reilly.home>
In-Reply-To: <199808031006.DAA07412@usr09.primenet.com>

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Terry Lambert said:
>>  > Be aware that the fftw code has a particularly curly licence.
>> 
>> The GPL-v2 is included in the file ./COPYING
>> 
>> So what's your point ?
> 
> Unless you want to give away all your code, it'd be best to use
> different code.
> 
> If you don't mind giving away all your code, then no problem.
> 
> If it were LGPL instead, it would be less of an issue, so long
> as the code didn't need to go into the kernel, and you were
> willing to distribute everything else as .o files to meet the
> relink clause.

It's not quite that bad, just not useful for BSD-style free software.
The last time I read the doco they explained that they'd used this
licence so that GPL's code could be written.  Their intention was (is)
to also offer a non-GPL'd version to those willing to pay a commercial
licence fee.

-- 
Andrew


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