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Bug#1111805: marked as done (ld.so.conf settings prefers /lib over /usr/lib (drop /lib from ld.so.conf entirely?))

Your message dated Tue, 02 Sep 2025 21:25:48 +0000
with message-id <E1utYVg-00G9g2-1Y@fasolo.debian.org>
and subject line Bug#1111805: fixed in glibc 2.42-2
has caused the Debian Bug report #1111805,
regarding ld.so.conf settings prefers /lib over /usr/lib (drop /lib from ld.so.conf entirely?)
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

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-- 
1111805: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1111805
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: libc6
Version: 2.41-12
Severity: normal

Currently shipping /etc/ld.so.conf.d/*.conf prefers /lib over /usr/lib.
For example, /etc/ld.so.conf.d/x86_64-linux-gnu.conf has:

---
# Multiarch support
/usr/local/lib/x86_64-linux-gnu
/lib/x86_64-linux-gnu
/usr/lib/x86_64-linux-gnu
---

Today, with merged-usr, where /lib is a symlink to /usr/lib, this is wrong.
In particular, it's problematic to find libraries listed by ldd with dpkg -S,
since ldd shows aliased /lib path instead of actual /usr/lib path:

$ ldd /usr/bin/true
	linux-vdso.so.1 (0x00007f67125e4000)
	libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f67123c5000)
	/lib64/ld-linux-x86-64.so.2 (0x00007f67125e6000)
$ dpkg -S /lib/x86_64-linux-gnu/libc.so.6
dpkg-query: no path found matching pattern /lib/x86_64-linux-gnu/libc.so.6

In /etc/ld.so.conf.d/x86_64-linux-gnu.conf, we should *at least*
have /lib after /usr/lib, like this:

---
# Multiarch support
/usr/local/lib/x86_64-linux-gnu
/usr/lib/x86_64-linux-gnu
/lib/x86_64-linux-gnu
---

(this is how I modified this file onn my system).

And a similar change should be done in trixie too.

But there's a question: do we really need to keep /lib in there at all?
To me it feels like we don't, so it should be just dropped.  But I might
not know all the details here.

Thanks,

/mjt

/etc/ld.so.conf.d/x86_64-linux-gnu.conf changed:
/usr/local/lib/x86_64-linux-gnu
/usr/lib/x86_64-linux-gnu
/lib/x86_64-linux-gnu

--- End Message ---
--- Begin Message --- 
Source: glibc
Source-Version: 2.42-2
Done: Aurelien Jarno <aurel32@debian.org>

We believe that the bug you reported is fixed in the latest version of
glibc, which is due to be installed in the Debian FTP archive.

A summary of the changes between this version and the previous one is
attached.

Thank you for reporting the bug, which will now be closed.  If you
have further comments please address them to 1111805@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Aurelien Jarno <aurel32@debian.org> (supplier of updated glibc package)

(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing ftpmaster@ftp-master.debian.org)


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512

Format: 1.8
Date: Tue, 02 Sep 2025 23:05:31 +0200
Source: glibc
Architecture: source
Version: 2.42-2
Distribution: experimental
Urgency: medium
Maintainer: GNU Libc Maintainers <debian-glibc@lists.debian.org>
Changed-By: Aurelien Jarno <aurel32@debian.org>
Closes: 1111805 1111902
Changes:
 glibc (2.42-2) experimental; urgency=medium
 .
   [ Samuel Thibault ]
   * patches/hurd-i386/git-random-malloc.diff: Use upstream patch.
 .
   [ Michael Biebl ]
   * debian/rules.d/build.mk: remove /lib from ld.so.conf files.  Closes:
     #1111805.
 .
   [ Luca Monducci ]
   * Update Italian debconf translation.  Closes: #1111902.
 .
   [ Aurelien Jarno ]
   * debian/control.in/libc, debian/rules.d/debhelper.mk: change
     libc-gconv-modules-extra Recommends into a Depends as many packages still
     use the extra gconv modules.
   * debian/patches/git-updates.diff: update from upstream stable branch.
     - debian/patches/hurd-i386/git-random-malloc.diff: upstreamed.
     - debian/symbols.wildcards: add new GLIBC_ABI_DT_X86_64_PLT,
       GLIBC_ABI_GNU_TLS and GLIBC_ABI_GNU2_TLS versions.
   * debian/sysdeps/riscv64.mk: remove TIMEOUTFACTOR override as buildds are
     not QEMU based anymore.
   * debian/sysdeps/riscv64.mk: configure with --enable-multi-arch.
   * debian/control.in/main: drop ${shlibs:Depends} for
     libc-gconv-modules-extra to avoid creating a dependency loop. This can be
     re-added once libc6 changes back the Depends into a Recommends.
Checksums-Sha1:
 ac32f974873b0b3e5dffaaed1619c400b1b6d18c 7687 glibc_2.42-2.dsc
 c6f00d85d9963c53000ee0991374565095cc0981 392800 glibc_2.42-2.debian.tar.xz
 6fa3a61e17b460c4a2eea303441d50b40f5f09c7 9339 glibc_2.42-2_source.buildinfo
Checksums-Sha256:
 3abc8981b2740cedf783bd8ce126d41ec538e5acd1b89b543084c74763ecaabb 7687 glibc_2.42-2.dsc
 3f8da18a7a5c8cde72bb716ff5c7b4e6d787cefa1959e018c49ebe08645f4bdd 392800 glibc_2.42-2.debian.tar.xz
 2a02b6d30bb17ed36821ea0f2b12bfe995ff395d39d73cd95f88630ddaa09759 9339 glibc_2.42-2_source.buildinfo
Files:
 50cb9bb0979cde4e065bc32af2867cd2 7687 libs required glibc_2.42-2.dsc
 563e2c34719c64fe320be1da1c5aad98 392800 libs required glibc_2.42-2.debian.tar.xz
 330ef333318939e629d0a42e9abae7e2 9339 libs required glibc_2.42-2_source.buildinfo

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