From mboxrd@z Thu Jan  1 00:00:00 1970
From: ludo@gnu.org (Ludovic =?UTF-8?Q?Court=C3=A8s?=)
Subject: bug#23112: value of _CS_PATH\
Date: Tue, 03 May 2016 22:22:43 +0200
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References: <20160325180600.GA20217@jocasta.intra> <87bn5nwxmx.fsf@gnu.org>
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To: John Darrington <john@darrington.wattle.id.au>
Cc: 23112@debbugs.gnu.org

ludo@gnu.org (Ludovic Court=C3=A8s) skribis:

> John Darrington <john@darrington.wattle.id.au> skribis:
>
>> Would it not be correct for guix to have=20
>>
>>  confstr (_CS_PATH, buf, len);
>>
>> set the contents of buf with the bin directory of the currently=20
>> installed coreutils package?
>>
>> For me, it returns /bin:/usr/bin which is not correct.
>
> Fixing it is a bit tricky because:
>
>   1. The meaning of this variable is ill-defined.  Specifically, POSIX
>      says it =E2=80=9Cis the value for the PATH environment variable that=
 finds
>      all standard utilities.=E2=80=9D  By =E2=80=9Cstandard utilities=E2=
=80=9D, surely they must
>      be talking of =E2=80=98guile=E2=80=99, =E2=80=98guix=E2=80=99, =E2=
=80=98herd=E2=80=99, and a couple of others, but
>      we can=E2=80=99t be sure.  ;-)
>
>      http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/unistd.h.ht=
ml
>
>   2. If CS_PATH refers to Coreutils, then that means that libc refers to
>      Coreutils, which is inconvenient at best.
>
>   3. We could set CS_PATH to /run/current-system/profile/bin but that
>      wouldn=E2=80=99t work on foreign distros.
>
> So I=E2=80=99m inclined to leave things as is.

I=E2=80=99ll close the bug if you don=E2=80=99t mind, but=E2=80=A6

> Did you find a situation where the invalid value was causing troubles?

=E2=80=A6 I=E2=80=99m still interested in knowing this.  :-)

TIA,
Ludo=E2=80=99.