JEP proposal: "PowerPC/AIX Port"

Volker Simonis volker.simonis at
Fri Jan 25 05:41:43 PST 2013

On Fri, Jan 25, 2013 at 1:11 PM, Alan Bateman <Alan.Bateman at>wrote:

> On 16/01/2013 14:53, Volker Simonis wrote:
>> :
>> Actually I don't exactly remember the approach taken for the Mac port and
>> I'll
>> be happy for any experiences you could share with us. But of course the
>> port integration will not happen in one big change.
> One thing to say about the Mac port is that it ended up being date/release
> driven with the result that refactoring that probably should have been done
> was not done (and it's always hard to address technical debt later).
> On reflection I think we should have had more discussion about the jdk
> repository and the purpose of the src/solaris tree in particular. With the
> Mac port we have ended up with some Mac specific sources in src/macosx and
> some in src/solaris, plus lots of code in src/solaris with ugly ifdef
> <platform>. My personal view, is that we should rename src/solaris to
> something like src/nix and move all Solaris, Linux and Mac sources to their
> own tree. Furthermore, with the new configure-based build then it opens up
> the possibility of compiling based on capabilities rather than platform and
> I think we should be thinking through how we move in that direction (it
> will take a long time).
I have a dream.. :)

But seriously, I completely agree with you on this point although we
haven't done that refactoring for our ports as well (and basically for the
same reason).

> Anyway, I just mention these things because adding the AIX port will
> probably highlight concerns about the jdk/src/solaris tree again. I haven't
> worked in the hotspot repository for a long time but it is in a much better
> position to take on new ports and architectures, although there is a risk
> of some code duplication.
That's right.

>  :
>> We don't expect to get into the first jdk8 release but we hope to make it
>> into the first regular jdk8 update (i.e. jdk8u2 or however it will
>> called).
>>  Thanks, that's useful to know as it would be scary to try to bring this
> when jdk8 is being stabilized.
> -Alan
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