OpenJDK Governing Board Minutes: 20011/4/21

Mark Wielaard mark at
Mon May 9 10:14:00 UTC 2011

On Sun, 2011-05-08 at 23:14 +0100, Dr Andrew John Hughes wrote:
> From the OpenJDK source code base, it looks like the proprietary parts
> of Oracle's JDK slot in pretty cleanly to the OpenJDK tree.  If this
> is the case, is there any good reason why GPL binaries could not be
> provided, with the option to add on the proprietary extensions
> (alternative font renderer, colour management, graphics renderer,
> plugin, web start) under a separate license?  It seems pretty easy to
> me to provide a default which downloads both parts for the majority of
> users who don't care, while allowing those who do to just pick the
> Free part.

Yes, that is the idea behind the "Assembly Exception" to the GPL that
OpenJDK uses. and
That allows you to distribute everything under the GPL with the
exception of those proprietary modules. Of course that doesn't work for
GNU/Linux distributions, which will want to use a fully free JDK
distribution, but it can for Oracle (or anybody else) who wants to
distribute all the free code freely, plus some binary blobs.



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