From mboxrd@z Thu Jan  1 00:00:00 1970
From: ludo@gnu.org (Ludovic =?utf-8?Q?Court=C3=A8s?=)
Subject: Re: core-updates is back
Date: Sat, 22 Nov 2014 21:22:41 +0100
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References: <871tovjvge.fsf@gnu.org> <20141122165959.GA4878@intra>
	<87ppcfdtn4.fsf@gnu.org> <20141122180329.GA5003@intra>
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In-Reply-To: <20141122180329.GA5003@intra> (John Darrington's message of "Sat,
	22 Nov 2014 19:03:29 +0100")
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To: John Darrington <john@darrington.wattle.id.au>
Cc: Guix-devel <guix-devel@gnu.org>

John Darrington <john@darrington.wattle.id.au> skribis:

> On Sat, Nov 22, 2014 at 06:36:47PM +0100, Ludovic Court=C3=A8s wrote:
>      John Darrington <john@darrington.wattle.id.au> skribis:
>=20=20=20=20=20=20
>      > There is some oddness in cross-pkg-config: It creates a symlink to=
 the real pkg-config,
>      > But does not do so for the pkg.m4 file.=20=20
>=20=20=20=20=20=20
>      Why would the missing pkg.m4 be a problem?  It=E2=80=99s only used w=
hen
>      bootstrapping Autoconf-based packages.
>
> Right.  If you want to bootstrap an autoconf based package (for example, =
guix-devel from package-management.scm),
> then it will fail.

Oh right, this one is a good example.  I=E2=80=99ll add the symlink.

>      (And if it=E2=80=99s really needed, it=E2=80=99s easy to add that sy=
mlink.)
>=20=20=20=20=20=20
>=20=20=20=20=20=20
>      Of course it exists!
>
> I thought that whilst bulding things were in a chroot jail where only tho=
se things explicitly declared as inputs
> actually existed.

More precisely, the inputs *and* their run-time dependencies are
available.

For instance, if a package has Coreutils as an input, then its build
process gets both Coreutils and libc in its chroot (otherwise the
Coreutils programs would be unusable.)

Ludo=E2=80=99.