No gcj 64 bit compilation support? What the?

[Andrew Haley]

On 09/15/2011 09:43 AM, Jonathan Wakely wrote:
> On 15 September 2011 09:39, Andrew Haley wrote:
>> On 09/15/2011 09:16 AM, Me Myself and I wrote:
>>
>>>
>>> Then why is this, if my compiler is on a 64 bit operating system with
>>> 64 bit hardware?  Shouldn't it compile to 64 bit files anyway?
>>> Isn't the operating system really doing this by default? Is this my reply really accurate?
>>> If not, why not? Where can I find simple instructions to build gcj
>>> to compile 64 bit optimised executable files?
>>
>> We don't know the answers to any of these questions because we don't
>> know who built the gcj you're using or what OS it runs on.
> 
> The OP mentioned Mandriva 2011 but that still doesn't tell us much,
> this is a gcc list not a Mandriva one so we don't know about the
> distro or what packages are installed.

Ah yes, sorry.  I don't know anything about Mandriva.

I really don't know why anyone would want to use -m64 on a 64-bit host.
64-bit is going to be the default anyway.  I have no idea why you'd get
an error from -m64, though.

Someone who knows Mandriva may know the answers to these questions.

Andrew.