From mboxrd@z Thu Jan  1 00:00:00 1970
From: ludo@gnu.org (Ludovic =?utf-8?Q?Court=C3=A8s?=)
Subject: Re: Required packages
Date: Thu, 07 Feb 2013 17:06:49 +0100
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References: <201302041952.22425.andreas@enge.fr> <87ehgur9h7.fsf@gnu.org>
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In-Reply-To: <201302071316.24589.andreas@enge.fr> (Andreas Enge's message of
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To: Andreas Enge <andreas@enge.fr>
Cc: bug-guix@gnu.org

Andreas Enge <andreas@enge.fr> skribis:

> In my attempt to install guix from guix, I came upon the problem that the=
=20
> libgcrypt headers require the libgpg-error headers. This is a propagated=
=20
> input, so should in the future be installed automatically.

The future is actually yesterday.  :-)

> However, the next problem is:
> In file included from /home/privat/.guix-profile/include/sys/socket.h:39:=
0,
>                  from /home/privat/.guix-profile/include/gcrypt.h:42,
>                  from conftest.c:65:
> /home/privat/.guix-profile/include/bits/socket.h:342:24: fatal error:=20
> asm/socket.h: No such file or directory
>
> The file is in linux-libre-headers; so I suppose this should also be a=20
> propagated input of libgcrypt? If you agree, I will modify the package=20
> accordingly.

It=E2=80=99s a bit trickier.  linux-libre-headers is propagated by glibc, s=
o if
you install glibc, you get both.

However, glibc is an /implicit/ input of everything that uses
=E2=80=98gnu-build-system=E2=80=99, such as libgcrypt.  So it doesn=E2=80=
=99t get installed when
you install libgcrypt.

I=E2=80=99m not sure whether glibc should be automatically installed as if =
it
were a propagated input.  If the answer were =E2=80=9Cyes=E2=80=9D, I=E2=80=
=99m not sure how to
achieve it elegantly, because implicit inputs are hidden, by definition.

Thoughts?

Ludo=E2=80=99.