Support building zero with the new build

[Roman Kennke]

Am Mittwoch, den 27.03.2013, 09:42 -0400 schrieb Omair Majid:
> Hi,
> 
> On 03/27/2013 04:55 AM, Erik Joelsson wrote:
> > Work on this was already initiated in this thread:
> > 
> > http://mail.openjdk.java.net/pipermail/build-infra-dev/2013-February/003059.html
> > 
> 
> Whoops. I was not aware of this. Thanks for pointing this out.
> 
> > Would be good if these efforts could be synchronized.
> 
> Yes, this would be great. I am happy to throw away all my changes and
> help improve Roman's patch.
> 
> > I like that you define and translate these hotspot specific variables in
> > hotspot-spec.gmk.
> 
> I had the feeling that my patch would become a lot less desirable if it
> started touching hotspot ;)
> 
> > I don't think we need to change any variables in
> > hotspot for this to work as was done in the other thread. ZERO_ARCHDEF
> > should maybe belong to platform.m4, not sure, but might as well be
> > defined where you have it. However, checking for libraries would be
> > better moved to libraries.m4 I think.
> 
> One thing worth pointing out is that my patch only addresses zero, while
> Roman's patch addresses both zero and shark.
> 
> Roman, how do you want to proceed?

I'd go with Erik's suggestion and keep your part for JDK changes, and
mine for the rest, if that is ok with you?

Roman