RFR (M): Enable HotSpot build with Clang

[David Holmes]

<trimming>

On 25/05/2013 6:39 PM, Volker Simonis wrote:
> On Fri, May 24, 2013 at 5:32 PM, Christian Thalinger
> <christian.thalinger at oracle.com <mailto:christian.thalinger at oracle.com>>
> wrote:
>     Will you change Linux to also reuse the GCC files and remove these
>     ifdefs?
>
>
> OK, if you insist so badly :)
>
> http://cr.openjdk.java.net/~simonis/webrevs/8015252.v2/
>
> I've tried not to change anything in the default gcc build with the one
> exception that i486 will now use '-g' instead of '-gstabs' as well which
> I think should be OK. But you can easily change that if you'd like.

This needs to be changed back. There is a lot of history here and these 
flags tend to oscillate, but before you can change them we need to 
establish exactly what the size impact will be and make sure our build 
systems can cope with the change.

David
-----

> Please notice that I won't be in the office until the 3rd of June.
> Should you have any further change requests please feel free to edit the
> patch yourself if you like.
>
> Regards,
> Volker
>
>     -- Chris
>
>>         -- Chris
>>
>>>
>>>
>>>             > But you can say the exact same thing about the Solaris
>>>             gcc support.
>>>
>>>             Btw. I just trying to resurrect this.
>>>
>>>             -- Chris
>>>
>>>             >
>>>             > David
>>>             > -----
>>>             >
>>>             >> Once it's in we could start with the JDK forest and
>>>             the configure part
>>>             >> in the base repository. That would require two extra
>>>             change sets anyway.
>>>             >> The HotSpot build currently isn't very
>>>             configure-agnostic anyway and
>>>             >> once the other parts have been completed, configure
>>>             could just pass
>>>             >> USE_CLANG=true (plus perhaps some extra variables in
>>>             the case we have
>>>             >> more than one clang version on the system) to the
>>>             HotSpot build and
>>>             >> everything should work.
>>>             >>  As a last step we would have to test on Mac as well.
>>>             I currently don't
>>>             >> have one at hand, but sponsors are always welcome:)
>>>             >>
>>>             >> Volker
>>>             >>
>>>             >>
>>>             >>    David H.
>>>             >>
>>>             >>        -- Chris
>>>             >>
>>>             >>
>>>             >>            David
>>>             >>
>>>             >>
>>>
>>>
>>
>>
>
>