A couple quick responses from the Linux mailing list.  If the respective
parties wouldn't mind, please Cc: further discussion to the appropriate
individuals on the other side. =)

 Mikael Forselius <NOSPAM-mikaelf@comenius.se>
    current (??? - as of March anyway) Penguin maintainer
 Joshua Juran <NOSPAM-wanderer@metamage.com>
    former Penguin maintainer
 Randy Thelen, Rob Pelkely, have also been involved but I have 
    no idea of their current involvement or how to contact them
 Alan Cox <NOSPAM-alan@cymru.net>
    general linux guru
 
> Date: Mon, 2 Nov 1998 01:09:37 -0500
> From: Joshua Juran
> Subject: Re: [linux-mac68k] Re: Booter for Mac (fwd from netbsd/mac68k)
> 
>> Date: Sun, 1 Nov 1998 14:46:52 -0500
>> From: Allen Briggs
> [...]
>> One solution might be to make the booter completely public domain.  I
>> don't know if the current authors would go for that, but I think that
>> license type is acceptable to both NetBSD and Linux projects.
> 
> I'd prefer to avoid releasing to public domain.  That includes waiving
> copyright and the protection that affords.  However, I'm quite willing to
> distribute under GPL and Berkeley license simultaneously.
> Josh
> Penguin maintainer emeritus :-)
 
----------------------
> Date: Mon, 2 Nov 1998 17:49:10 -0500
> From: Joshua Juran
> Subject: Re: [linux-mac68k] Re: Booter for Mac (fwd from netbsd/mac68k)
> 
> At 8:03 PM +0100 1998.11.02, Jakob Eriksson wrote:
>>On Mon, 2 Nov 1998, Joshua Juran wrote:
>>> [...] distribute under GPL and Berkeley license simultaneously.
>>
>> Is that possible?
> 
> Yes.  The incompatibility between GPL and 'tainting' Berkeley licenses
> (those with the advertising clause) puts restrictions on the *licensee* --
> not on the authors.  If I distribute SurfWriter[0] under a tainting
> Berkeley license, that means *you* can't redistribute it under the GPL
> (because the requirements of the GPL contradict those of the Berkeley
> license) -- but I could, because I'm the author and not a licensee under
> the tainting license.
> 
> Of course, if I were to distribute under a Berkeley license, I'd use a
> 'sterilized' version, that doesn't include the advertising restriction.
> 
> [0] SurfWriter is a fictitious product name used in Apple Computer's Inside
> Macintosh references.
> Josh

------------------------
> Date: Mon, 2 Nov 1998 11:31:19 +0000 (GMT)
> From: Alan Cox 
> Subject: Re: [linux-mac68k] Re: Booter for Mac (fwd from netbsd/mac68k)
> 
>> One solution might be to make the booter completely public domain. [...]
> 
> The only GPL clash is the BSD advertising clause. It is also possible
> to dual license stuff if everyone is happy.
> Ted T'so has a good example dual license on
>   /usr/src/linux/drivers/char/random.c
> Alan