ppc-aix-port initial checkin

[Steve Poole]

Volker - thanks for getting this code out so quickly  - and an especial thanks for publishing the build instructions and  build logs too.

I'll give the code a build spin on my machine and let you know what happens


On 25 Jun 2012, at 16:56, Volker Simonis wrote:

> Hi gentleman,
> 
> as attentive readers of this list may have noticed, we've pushed today
> initial changesets to our ppc-aix-port forest which make it possible
> to build a full (although non-functional) JDK on Linux/PPC64.
> 
> We've tried (and we will try in the future) to be as non-intrusive as
> possible with regards to shared code and other existing platforms in
> order to simplify an eventual merge of our port into the main line.
> The current version is not very exciting by itself (after all, it
> doesn't run:) but it will serve as a foundation for the implementation
> of the C++-Interpreter in the next weeks and month. We also plan to
> push another changeset soon, which will enable  the same, stubbed-out
> interpreter build of the HotSpot on AIX such that our colleges can
> start with the class library build on AIX.
> 
> Some basic build instructions are in the new README-ppc.html file
> (http://hg.openjdk.java.net/ppc-aix-port/jdk7u/raw-file/tip/README-ppc.html).
> As we move forward we expect to add more information to this file.
> Most of the currently needed extra build variables (like
> HOTSPOT_TARGET=all_debugcore CC_INTERP=true OPENJDK=true
> CORE_BUILD=true) are necessary because of the HotSpot build which
> currently only supports a "CORE" (i.e. interpreter only) version.
> Others like the settings for RMIC and IDLJ  are necessary because we
> use another than the original Oracle JDK for bootstrapping.
> 
> Build logs of the initial version on Linux/PPC64 have been made available here:
> 
> http://cr.openjdk.java.net/~simonis/ppc-aix-port/build-logs/
> 
> And there's one more peculiarity: in order to build the complete JDK,
> we had to transplant "7177701: error: Filling jar message during
> javax/imageio/metadata/IIOMetadataFormatImpl compilation" from
> "jdk8/tl/langtools" to work around
> http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=7177701. This may
> lead to a duplicate bug ID in the langtools repository in the future
> if we push from 7u-dev. On the other hand we don't expect to do many
> changes in the langtools repository at all, so we may just overwrite
> our langtools repository with the one from 7u-dev once it contains
> this change.
> 
> Please feel free to comment or report any problems to the mailing list.
> 
> Regards,
> Volker
>