Re: Failure to build go on some 32bit port-i386 machines

[Alexander Schreiber <als%thangorodrim.ch@localhost>]

On Mon, Apr 29, 2024 at 04:14:52PM -0500, Jonathan A. Kollasch wrote:
> On Mon, Apr 29, 2024 at 10:04:26PM +0200, Alexander Schreiber wrote:
> > Hi,
> > 
> > I've been trying to build node_exporter-1.7.0nb3 on an Alix machine
> > running port-i386 (CPU is an AMD Geode LX, i586 class, 32 bit), but with
> > no success. Building node_exporter requires building go121-1.21.8 which
> > requires go118-1.18.10nb1 which requires go14-1.4.3nb15. On the Alix,
> > building go118 reliably dies with SIGILL. The prebuilt node_exporter
> > package fetched via pkgin also has it's executable die with SIGILL
> > on early startup (internal Go setup according to the core dump).
> > 
> > To narrow things down a little and because I don't have the hardware
> > to test, I ran qemu with various Intel 32 bit CPU emulation targets:
> >  - i486: go14 dies with SIGILL in build
> >  - pentium: go118 dies with SIGILL in build
> >  - pentium3: go118 dies with SIGLL in build
> >  - n270: successfull build of node_exporter with all go-versions
> >    needed
> > 
> > It looks like Go by now needs a sufficiently new 32 bit Intel (the n270
> > is the newest 32bit Intel CPU qemu seems to support) just to build.
> > 
> > Does pkgsrc have a mechanism to signal:
> >  - package is expected to build on arch ${arch-foo} (e.g. i386)
> >  - but know not to build on CPUs X, Y, Z?
> > 
> > I suspect there isn't such a thing?
> > 
> > Also: NetBSD (10.0) _itself_ seems to be perfectly happy on that Alix,
> > it's just go that is ... particular.
> > 
> > Kind regards,
> >            Alex.
> > -- 
> > "Opportunity is missed by most people because it is dressed in overalls and
> >  looks like work."                                      -- Thomas A. Edison
> 
> https://github.com/prometheus/node_exporter/issues/1568

I have prometheus-node-exporter 1.5.0-1+b6 on Devuan running just fine
on _exactly_ the same Alix hardware.

I've kicked off a build with the env-vars in that bug, will report
results.

Kind regards,
            Alex.
-- 
"Opportunity is missed by most people because it is dressed in overalls and
 looks like work."                                      -- Thomas A. Edison