On 07/07/2014 16:44, Viral Shah wrote:
> On 07-Jul-2014, at 1:02 am, Sylvestre Ledru <sylves...@debian.org> wrote:
> 
>> On 07/07/2014 09:10, Viral Shah wrote:
>>> Julia support for LLVM 3.4 is only experimental and we will probably go
>>> directly to 3.5.
>> Do you have an eta on Julia-on-llvm-3.5 ? LLVM 3.5 branching is probably
>> going to happen this week.
> 
> We are currently in our julia 0.3 release cycle, and just about to release 
> 0.3-rc1. We already have support llvm-3.5 svn, but the julia release that 
> will use llvm 3.5 will be 0.4 is expected in December. 
The Debian freeze in planed in November. That is going to be too late.

> LLVM 3.4 changed the APIs (MCJIT and such) and also had a bunch of bugs that 
> made it difficult for us to use it. In fact we even have to apply patches to 
> LLVM 3.3 (but can work around those bugs with slightly worse code generation 
> in some cases, so that stock LLVM 3.3 can be used). Most of our patches are 
> in 3.5, and we should be able to move to it for our next release.
If you can provide patches separately from the 0.3 release, I guess that
would make Sébastien happy.

>>> Is it an option to include 3.3 in the Julia package in that case?
>>>
>> No. It had a maintenance burden on Debian that we don't want.
> 
> I really wish we can find a way.
Me too but 3.3 is already more than an year old. It is unmaintained
(unlike 3.4 which has point releases) and 3.5 will be part of Debian Jessie.
I cannot afford to maintain 4 versions of LLVM in parallel (3.3, 3.4,
3.5 and snapshot).

Sylvestre


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