bug#58100: cbqn currently targets AVX2

[Liliana Marie Prikler <liliana.prikler@gmail.com>]

Am Montag, dem 07.11.2022 um 14:35 +0100 schrieb Ludovic Courtès:
> Hi,
> 
> Liliana Marie Prikler <liliana.prikler@gmail.com> skribis:
> 
> > Am Sonntag, dem 06.11.2022 um 18:39 +0100 schrieb Ludovic Courtès:
> > > Hi Liliana,
> > > 
> > > Liliana Marie Prikler <liliana.prikler@gmail.com> skribis:
> > > 
> > > > * gnu/packages/bqn.scm (cbqn)[inputs]: Remove singeli-sources.
> > > > [arguments]<#:make-flags: Replace “o3n-singeli” with “o3”.
> > > > <#:phases>: Remove “link-singeli”.
> > > 
> > > This series of patches that you sent LGTM!
> > > 
> > > However, how does it relate to AVX2-specific builds?  
> > IIUC, singeli is some tool that emits avx2-specific opcodes and the
> > singeli builds of cbqn use that somehw; I admit, I do not
> > completely understand what's going on on their side.
> 
> Oh, I see.
> 
> > > Anyhow, as you suggested in the thread, it’d be a good idea to
> > > add a ‘tunable?’ property.
> > Will simply adding (tunable? . #t) as a property be enough?  Also
> > related to the signeli thing, do we have the means to create
> > special build flows for tuned packages?
> 
> Yes, ci.guix builds tunable packages for several x86_64 ISA variants,
> which are listed in (gnu ci).
Done and pushed.

Cheers