GNU bug report logs - #48463
gnu: Add j.

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From: Liliana Marie Prikler <liliana.prikler <at> gmail.com>
To: elaexuotee <at> wilsonb.com
Cc: Maxime Devos <maximedevos <at> telenet.be>, 48463 <at> debbugs.gnu.org
Subject: [bug#48463] gnu: Add j.
Date: Thu, 13 Jan 2022 18:51:14 +0100

[Message part 1 (text/plain, inline)]

Hi,

Am Donnerstag, dem 13.01.2022 um 16:51 +0900 schrieb
elaexuotee <at> wilsonb.com:
> > 
> > > +(define* (make-j #:key
> > > +                 (builder "guix.gnu.org")
> > > +                 vername
> > > +                 revision
> > > +                 hash
> > > +                 (type 'release)
> > > +                 commit
> > > +                 (patches '())
> > > +                 (extra-inputs '())
> > > +                 (extra-envars '()))
> > > + (package
> > > +   (name (jname "jsoftware-j" type))
> > > +   (version (jversion->string vername revision))
> > > +   (source
> > > +    (origin
> > > +      (method git-fetch)
> > > +      (uri (git-reference
> > > +            (url "https://github.com/jsoftware/jsource")
> > > +            (commit (or commit (jinfo->git-tag vername type
> > > revision))))
> > Vername sounds a little weird, make that version-base or something
> > clearer.  Also, the argument #:commit is used in an unclear fashion
> > --
> > if you were to pass an actual commit hash to it, it'd still be
> > treated
> > as a release and not be using git-version. 
> 
> Cool. I had a similar sense, but our ideas are a lot sharper than the
> ones I had. This actually prompted me to do some code cleanup,
> leveraging now-me who has a bit more Guile experience than past-me.
> At the very least, variable names should be more descriptive and
> consistent, overall.
Note, that the current version still ignores commit.  I've attached a
proof of concept patch, which fixes that, plus some other minor things,
but it now uses a pair for version.  Also it's untested, so treat with
care.


> Good idea. Upstream's build scripts condition a *lot* of behaviour on
> the j64avx environment variable, so it might not be straightforward,
> but I will put this on the to-do list of future improvements.
> 
> (Note, the code block quoted here got much simplified in the current
> patch.)
Reading /proc/cpuinfo is not nice.  Please use (guix cpu), which also
provides you the flags that you need.

Cheers

[0001-gnu-Add-j.patch (text/x-patch, attachment)]

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