libffi libnettle transitions request

[Steve Langasek]

On Tue, Jun 30, 2020 at 05:28:17PM -0700, Steve Langasek wrote:
> On Mon, Jun 29, 2020 at 10:20:14AM +0100, Dimitri John Ledkov wrote:
> > To enable control flow protection (Intel CET) we need to kick of ABI
> > transition for libffi and libnettle, because trampolines / shadow
> > stack changes there change abi along with other changes that happened.

> > libffi transition means rebuild of ruby python php haskell
> > llvm-toolchains guile....

> > I guess we should have opened with libffi transition, but oh well.

> > Is it ok to proceed with libffi transition? It will be disruptive, due
> > to rebuilds triggering autopkgtests of all languages with bindings
> > effectively.

> And there's already a libnettle transition ongoing in -proposed.  Is that
> this one, or is it an unrelated one we should dump?

Well, the nettle transition is entangled with the haskell transition, so
maybe not.

-- 
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                                   https://www.debian.org/
slangasek at ubuntu.com                                     vorlon at debian.org
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