On Fri, Apr 17, 2009 at 7:02 PM, MidnighToker <
[email protected]> wrote:
>
> I could very well be wrong on both my points, but:
>
> 1) AFAIK, the GPL ("Copyleft") licence, seems to mean that if you
> modify source code, then you have to make all of the changes available
> back to the community, still under the GPL licence.
Not necessarily the changes, the whole thing. In the case of derived works
(i.e. binaries
since this is the source that is distributed under the GPL by the original
author), you need
to provide *all* the sources that were used to generate the binaries, under
the GPL too, to
comply with the license. So if you just changed the sources to link to your
custom
library, you need to provide the source of your library under the GPL as
well.
On the other hand, this does not cover data at all, and as far as I know,
the Doom original/shareware
levels/data files are not GPL-ed at all and can't be distributed without the
original author's explicit
permission.
>
> I believe this is why the Android Project ended up using the Apache
> licence for most of the project, as well as why some major abstraction
> layers within the OS were introduced (it is possible to use binary
> drivers OUTSIDE of kernel space, so they don't have to fall under
> GPL).
>
> 2) The salient point that jumps to my mind (and that the thread seems
> to have missed, is):
>
> The original application could be downloaded for free from the Market.
> It is now £2.99.
> I thought the market Developer Distribution Agreement stopped a
> developer from releasing an application as free and then subsiquently
> charging for it.
> Isn't this exactly what happened?
>
> MidnighToker.
>
> >
>
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