[oe] [meta-oe][PATCH] llvm: update 3.5.2 to have a sane ARM JIT for OpenJDK-8

Jens Rehsack rehsack at gmail.com
Tue Oct 27 20:29:41 UTC 2015


> Am 27.10.2015 um 21:24 schrieb Otavio Salvador <otavio.salvador at ossystems.com.br>:
> 
> On Tue, Oct 27, 2015 at 6:21 PM, Jens Rehsack <rehsack at gmail.com> wrote:
>> 
>>> Am 27.10.2015 um 21:15 schrieb Otavio Salvador <otavio.salvador at ossystems.com.br>:
>>> 
>>> On Tue, Oct 27, 2015 at 6:04 PM, Jens Rehsack <rehsack at gmail.com> wrote:
>>>> 
>>>> llvm introduced new JIT technology MCJIT with llvm 3.4 and fixes ARM in 3.5
>>>> (see http://llvm.org/releases/3.5.2/docs/ReleaseNotes.html#changes-to-the-arm-backend).
>>>> 
>>>> Ensure JIT is built with llvm
>>>> 
>>>> Signed-off-by: Jens Rehsack <sno at netbsd.org>
>>> 
>>> There is a patch to add LLVM 3.7[1]; I think this one can be dropped.
>>> 
>>> 1. http://patchwork.openembedded.org/patch/106281/
>> 
>> I'v seen this and I guarantee that OpenJDK-8 will fail heavily with llvm3.7 - the guys
>> put an end to an antiquated API's with each release, and OpenJDK's zeroshark uses lot's
>> of them.
> 
> So we will need to figure how to deal with this. I see following options:
> 
> - add needed llvm recipe in meta-java (I dislike this)
> - fix openjdk
> - update openjdk so it work with 3.7 (preferred)

I would prefer that, too - but we have to find a sponsor for that.

We also have the option to have an llvm3.5 for a while in meta-oe ;)

Cheers
-- 
Jens Rehsack - rehsack at gmail.com




More information about the Openembedded-devel mailing list