[Pkg-javascript-devel] Bug#818552: Bug#818552: Bug#818552: nodejs on armel (v5l) fails with "illegal instruction"

[Jérémy Lal]

2016-06-18 20:38 GMT+02:00 Jonas Smedegaard <dr at jones.dk>:

> Quoting Jérémy Lal (2016-06-18 20:20:24)
> > 2016-06-18 14:47 GMT+02:00 Jonas Smedegaard <dr at jones.dk>:
> >
> > > Quoting Jérémy Lal (2016-06-18 14:16:11)
> > > > > Update: v8 has dropped armv5 support, see
> > > > > https://github.com/nodejs/node/issues/5810
> > > > > https://groups.google.com/forum/#!topic/v8-users/aSOFbaAQvMk
> > > > > I'm going to remove "armel" from the list of Architectures.
> > > >
> > > > And as usual, i'm completely lost when it comes to that part. It's
> easy
> > > to
> > > > do something,
> > > > but i don't understand clearly all the consequences on existing armel
> > > > packages that depend
> > > > or build-depend on nodejs;
> > > > - should i whitelist in debian/control Architecture field ?
> > > > it seems error-prone since i must be sure i'm not forgetting any
> official
> > > > arch, and blacklisting
> > > > is not possible ("any -armel" would have been so cool, though).
> > > > - should i leave architecture "any", and ask removal of nodejs/armel
> from
> > > > testing then artificially
> > > > make it fail when building on armel ?
> > >
> > > No matter if also doing other things, we must request removal, for
> > > nodejs itself and also for all arch-any reverse dependencies of nodejs.
> > >
> >
> > Agreed.
> >
> >
> > > Marking in source that the package is not targeted armel at all is a
> > > nice thing to do but not essential, as I understand it.
> >
> >
> > Some mecanism must be set to prevent building on armel, because actual
> > buildd armel servers are armv7 and as such are supported by nodejs >= 4.
>
> Not sure I understand what you are saying here.
>
> If a buildd succesfully compiles code which does *not* request any ARMv6
> or ARMv7 features (e.g. hardfloat or neon), then is there any problem at
> all?!?
>
>
> > Otherwise it is right that only removing nodejs and reverse deps from
> > testing would be enough.
>
> If you really want, you can add a build rule to explicitly fail, but
> please elaborate why that would be necessary.
>
>
armel is >= armv5t but v8 now supports only >= armv7, which is also the kind
of cpu the build servers have.
This bug was reported by a user having a armv5 cpu.

Jérémy.
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