[aur-general] AUR & Copyright
plewis at aur.archlinux.org
Mon Feb 7 12:54:02 EST 2011
On Monday 07 February 2011 17:46:08 Bernardo Barros wrote:
> 2011/2/7 Yaro Kasear <yaro at marupa.net>:
> > Sure you can change licenses if you own (Hold copyright to.) all the
> > relevant code involved.
> That's way OT, but I'm curious now... :-).
> Then if I did a BSD code that a company used in their proprietary
> code, and then I change it to GPL, what happens then? The company will
> have to open their derivative code too?
No. The version that you last released under the BSD licence would still be
available under the BSD licence. You can't change this retroactively.
If you later added code to it under the GPL and (were therefore required to)
switch the whole program to GPL (due to the relationship between the BSD and
GPL licences) then anyone basing their work off (and releasing of course) the
versions after the last BSD licence would be required to make their subsequent
derivatives and linked code GPL too.
> What I see is people releasing prior proprietary code unde GPL, but
> not from BSD to GPL.
BSD code can be merged into GPL code if the whole thing becomes GPL, but the
reverse is not true. (This is often why GPL Linux has better hardware drivers
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