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From: "Jakub Kądziołka" <kuba@kadziolka.net>
To: "Ludovic Courtès" <ludo@gnu.org>
Cc: 42339@debbugs.gnu.org
Subject: [bug#42339] [PATCH core-updates] gnu: glibc-intermediate: Fixup the pre-configure phase.
Date: Thu, 23 Jul 2020 00:37:21 +0200	[thread overview]
Message-ID: <20200722223721.upm7cf2gnghfv2pp@gravity> (raw)
In-Reply-To: <874kpzgqh5.fsf@gnu.org>

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On Thu, Jul 23, 2020 at 12:00:22AM +0200, Ludovic Courtès wrote:
> Hello,
> 
> Jakub Kądziołka <kuba@kadziolka.net> skribis:
> 
> > * gnu/packages/commencement.scm
> >   (glibc-final-with-bootstrap-bash)[arguments]: Don't patch sunrpc,
> >   as it's no longer required. Tweak C_INCLUDE_PATH and
> >   CPLUS_INCLUDE_PATH instead of CPATH.
> > ---
> >
> > Hi Guix,
> >
> > I have stumbled upon this phase while I was working on making substitute
> > not fail silently. Turns out this substitution is no longer necessary
> > since we aren't building with --enable-obsolete-rpc anymore. I'm not
> > sure about the unsetenv parts, though. Switching them to
> > {C,CPLUS}_INCLUDE_PATH, which is where the header paths actually are
> > right now, did not change how `guix graph --type=references` looks for
> > glibc-final (nor glibc-final-with-bootstrap-bash, for that matter).
> >
> > The phase itself was introduced in...
> >
> > commit 1c93be5600fb90a64cbbdf7a55061902d2ff150a
> > Author: Ludovic Courtès <ludo@gnu.org>
> > Date:   Sat Jun 7 17:23:53 2014 +0200
> >
> >     gnu: glibc: Make sure the bootstrap libc is not in $CPATH.
> >
> >     This fixes a bug whereby the bootstrap-glibc headers could be picked up
> >     when building libc.so, which could be noticed by the fact that the
> >     .debug files contained references to bootstrap-glibc.
> >
> >     * gnu/packages/base.scm (glibc-final-with-bootstrap-bash)[arguments]:
> >       Add 'pre-configure' phase.
> >       [inputs]: Remove 'alist-delete' call.
> >
> > The debug output does not refer to a bootstrap glibc anymore whether the phase
> > is there or not, though it does refer to gcc-cross-boot0:lib. Does this
> > mean that the phase is simply obsolete, and only the hurd parts should
> > remain, or is the reference to gcc a bug? Perhaps gcc should have a
> > separate output for the includes it provides (stdarg and such) so that
> > this reference doesn't bring in the whole mesboot tree? This would
> > improve the closure of gcc-toolchain:debug...
> 
> Oooh, nice.  LGTM!

Thanks for your review!

> Please confirm that nothing breaks (everything builds at least up to
> ‘gcc-final’) and you can push to ‘core-updates’.

I have confirmed that hello builds both natively and cross-built. On a
similar topic, the same test succeeded for removing the native-gcc input.
As the comment suggests, it was only being used for --enable-obsolete-rpc.
I am thus considering a v2 that also removes said input. Does that make
sense?

Regards,
Jakub Kądziołka

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  reply	other threads:[~2020-07-22 22:38 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-12 23:40 [bug#42339] [PATCH core-updates] gnu: glibc-intermediate: Fixup the pre-configure phase Jakub Kądziołka
2020-07-22 22:00 ` Ludovic Courtès
2020-07-22 22:37   ` Jakub Kądziołka [this message]
2020-07-23  7:49     ` Ludovic Courtès
2020-07-23 22:15       ` bug#42339: " Jakub Kądziołka

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