This is David Coffin's proposed license text for the next version of dcraw:
No license is required to download and use dcraw.c. However,
to lawfully redistribute dcraw, you must either (a) offer, at
no extra charge, full source code* for all executable files
containing RESTRICTED functions, (b) distribute this code under
the GPL Version 2 or later, (c) remove all RESTRICTED functions,
re-implement them, or copy them from an earlier, unrestricted
Revision of dcraw.c, or (d) purchase a license from the author.
The functions that process Foveon images have been RESTRICTED
since Revision 1.237. All other code remains free for all uses.
*If you have not modified dcraw.c in any way, a link to my
homepage qualifies as "full source code".
To my eyes this seems to tick the DFSG boxes, but I would appreciate any
opinions on this matter.
Thanks
--
Steve
Steve King wrote:
Package: dcraw
Version: 7.02-1
Severity: serious
On Thu, 05 Jul 2007, Steve King wrote:
However I would appreciate it if the assembled masses of legal
experts could confirm that they agree that this is the case.
There's actually an even more fundamental problem with dcraw.c:
/*
dcraw.c -- Dave Coffin's raw photo decoder
Copyright 1997-2007 by Dave Coffin, dcoffin a cybercom o net
This is a command-line ANSI C program to convert raw photos from
any digital camera on any computer running any operating system.
No license is required to download and use dcraw.c. However,
to lawfully redistribute this code, you must either (a) include
full source code* for all executable files containing RESTRICTED
functions, (b) remove all RESTRICTED functions, re-implement them,
or copy them from an earlier, unrestricted Revision of dcraw.c,
or (c) purchase a license from the author.
The functions that process Foveon images have been RESTRICTED
since Revision 1.237. All other code remains free for all uses.
*If you have not modified dcraw.c in any way, a link to my
homepage qualifies as "full source code".
$Revision: 1.387 $
$Date: 2007/06/24 00:18:52 $
*/
You'll notice that we have no permission to distribute modified
versions of dcraw.c as required by the DFSG.
I don't agree with you here. It seems to me that we do have permission to
distribute modified versions, provided source is included.
Secondly, it appears that
we must include full source code if we've modified dcraw.c, but we
don't do that. We distribute source alongside.
All that is required in this license is a link to David's home page.
The build process does not modify the file dcraw.c, so the footnote clause
is applicable to this version of dcraw that would be included in debian.
--
Steve King
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