libsim licensing (and bfd by extension)

[Mike Frysinger]

the current sim/ subdir lacks an upfront statement as to its licensing (which 
is to say there is no COPYING file).  some sim-subdirs even have their own 
COPYING file.  if we go by the source files, the overall license appears to be 
GPL-3 (some are GPL-2+).

what i think would be nice is if the libsim interface was granted an exception 
to be used under the LGPL-3.  by itself, this wouldnt be of value because 
libsim requires libbfd which is under the GPL-3.  so there would need to be a 
minor grant where libbfd would not incur GPL-3 on everything else when it is 
being pulled in purely for libsim's needs.  obviously this would not apply if 
the code linking against libsim also used bfd symbols directly.

while libsim also uses libiberty, that is under LGPL-2.1, so that's done.

does this have any chance of happening ?  or should i just say screw it and 
post a toplevel sim/COPYING patch ;).
-mike
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