RFR: AARCH64: Top-level JDK changes

[Christian Thalinger]

> On Nov 7, 2014, at 9:55 AM, Andrew Haley <aph at redhat.com> wrote:
> 
> On 11/07/2014 05:42 PM, Christian Thalinger wrote:
>> 
>>> On Nov 7, 2014, at 9:21 AM, Andrew Haley <aph at redhat.com> wrote:
>>> 
>>> The first patch: top-level build machinery changes.
>>> 
>>> http://cr.openjdk.java.net/~aph/8064357-rev-1/ <http://cr.openjdk.java.net/~aph/8064357-rev-1/>
>> 
>> common/autoconf/flags.m4
>> 
>> +    aarch64)
>> +      ZERO_ARCHFLAG=""
>> +      ;;
>> 
>> Why is this required on aarch64 but not all the other architectures?
> 
> I think it's because GCC rejects "-m64”.

That’s interesting.  I thought -m<archbits> is some kind of common flag that works on all architectures.  Can someone verify this?

> 
> Andrew.
>