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Hurd: /lib/ld.so vs. /lib/ld.so.1 (was: Policy: Require new dynamic loader names for entirely new ABIs?)

From: Thomas Schwinge <thomas at codesourcery dot com>
To: Roland McGrath <roland at hack dot frob dot com>, <bug-hurd at gnu dot org>
Cc: GNU C Library <libc-alpha at sourceware dot org>, "Joseph S. Myers" <joseph at codesourcery dot com>, Carlos O'Donell <carlos at redhat dot com>, <gcc at gcc dot gnu dot org>
Date: Wed, 22 Jan 2014 16:48:09 +0100
Subject: Hurd: /lib/ld.so vs. /lib/ld.so.1 (was: Policy: Require new dynamic loader names for entirely new ABIs?)
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References: <52DD4BB8 dot 1090901 at redhat dot com> <52DD56C8 dot 109 at redhat dot com> <Pine dot LNX dot 4 dot 64 dot 1401212208100 dot 25161 at digraph dot polyomino dot org dot uk> <52DF3E13 dot 6050408 at redhat dot com> <Pine dot LNX dot 4 dot 64 dot 1401220347300 dot 3624 at digraph dot polyomino dot org dot uk>

Hi!

On Wed, 22 Jan 2014 03:54:31 +0000, "Joseph S. Myers" <joseph@codesourcery.com> wrote:
> On Tue, 21 Jan 2014, Carlos O'Donell wrote:
> > > x86 Hurd (32-bit, hard-float): /lib/ld.so (that is, GCC uses that name
> > > with -dynamic-linker so in PT_INTERP; my understanding of
> > > shlib-versions is that it gets the SONAME ld.so.1 by default).
> > 
> > Is that a bug?
> 
> I don't know.  Thomas?

For x86 Hurd, GCC has been specifying Â-dynamic-linker /lib/ld.soÂ in
LINK_SPEC since forever (1995, or earlier), and Debian glibc has had the
following since forever (2002, or earlier):

    ifeq ($(DEB_HOST_GNU_SYSTEM),gnu)
    # Why doesn't the glibc makefile install this?
           ln -sf ld.so.1 $(tmpdir)/$@/lib/ld.so
    endif

Roland, do you have any recollection of this?  Assuming that /lib/ld.so.1
is the "official" name, I suppose GCC should be changed, and then Debian
could drop the symbolic link after a transition period (full archive
rebuilt, etc.).


GrÃÃe,
 Thomas

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Follow-Ups:
- Re: Hurd: /lib/ld.so vs. /lib/ld.so.1 (was: Policy: Require new dynamic loader names for entirely new ABIs?)
  - From: Roland McGrath

References:
- Policy: Require new dynamic loader names for entirely new ABIs?
  - From: Carlos O'Donell
- Re: Policy: Require new dynamic loader names for entirely new ABIs?
  - From: Joseph S. Myers
- Re: Policy: Require new dynamic loader names for entirely new ABIs?
  - From: Carlos O'Donell
- Re: Policy: Require new dynamic loader names for entirely new ABIs?
  - From: Joseph S. Myers

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