[Pkg-erlang-devel] Bug#827449: Bug#827449: erlang: Be explicit about java bytecode target

[Steve Langasek]

On Tue, Jun 21, 2016 at 10:52:14AM +0300, Sergei Golovan wrote:
> Hi Steve,

> On Thu, Jun 16, 2016 at 11:52 AM, Steve Langasek
> <steve.langasek at canonical.com> wrote:
> > Package: erlang
> > Version: 1:18.3.4+dfsg-1
> > Severity: wishlist
> > Tags: patch
> > User: ubuntu-devel at lists.ubuntu.com
> > Usertags: origin-ubuntu yakkety ubuntu-patch

> > In Ubuntu, we've applied a patch to erlang to specify the java bytecode
> > compatibility level to use when building.  This patch was first applied
> > during the transition to openjdk6, so it's quite old, and currently we only
> > support openjdk8 in testing/unstable/the Ubuntu devel series so there is
> > *currently* no effect on compatibility to not use this patch.  However,
> > there will be future java transitions again, so in discussion with the
> > Ubuntu Java maintainers we've agreed it's useful to keep this patch instead
> > of dropping it.

> > So as the same logic seems to apply to Debian, I am forwarding the patch for
> > your consideration.

> I see that in Ubuntu you set the java compatibility level as 1.8. Is
> there any policy requirement or docs about that. I remember that I set
> it to 1.5 for some lintian warning a long time ago, and I'd like to
> know if I should bump it as well.

I don't think there's any policy requirement one way or the other.  When I
bumped it, this was driven by the fact that I thought we had to patch it and
1.5 was unnecessarily low - openjdk-6 is only in oldstable in Debian, and
openjdk-7 is only in stable, and the last Ubuntu LTS release was openjdk-8. 
So there seems to be little practical reason to maintain compatibility with
1.5 or 1.6; Debian might prefer to remain compatible with 1.7 for right now.

-- 
Steve Langasek                   Give me a lever long enough and a Free OS
Debian Developer                   to set it on, and I can move the world.
Ubuntu Developer                                    http://www.debian.org/
slangasek at ubuntu.com                                     vorlon at debian.org
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