Re: [PATCH] systemd: restore libdw/libelf to elfutils PACKAGECONFIG RRECOMMENDS

[Daniel Turull <daniel.turull@ericsson.com>]

On Thu, 2026-08-06 at 11:22 +0000, Ross Burton wrote:
> On 6 Aug 2026, at 12:17, daniel.turull@ericsson.com wrote:
> > 
> > From: Daniel Turull <daniel.turull@ericsson.com>
> > 
> > systemd-coredump dlopen()s libdw to symbolicate backtraces. These
> > libraries are marked as "suggested" in libsystemd-shared's .note.dlopen
> > metadata, causing them to land in RSUGGESTS rather than RRECOMMENDS.
> > RSUGGESTS packages are not installed into the rootfs, breaking
> > symbolication and causing test_systemd_coredump_minidebuginfo to fail.
> 
> If RSUGGESTS are not respected anywhere then would it be better to just change the logic to use
> RRECOMMENDS?

I don't know if this is the exception or they are not respected. Changing to all RRECOMMENDS will be
safer but it will increase the dependencies?

There are some recommends as well in the so file for systemd-shared-261.so

|@FDO
[{"feature":"acl","description":"Support for file Access Control Lists
(ACLs)","priority":"recommended","soname":["libacl.so.1"]}]
|@FDO
[{"feature":"blkid","description":"Support for block device
identification","priority":"recommended","soname":["libblkid.so.1"]}]
|@FDO
[{"feature":"dw","description":"Support for backtrace and ELF package metadata decoding from core
files","priority":"suggested","soname":["libdw.so.1"]}]
|@FDO
[{"feature":"elf","description":"Support for backtraces and reading ELF package metadata from core
files","priority":"suggested","soname":["libelf.so.1"]}]
|@FDO
[{"feature":"fdisk","description":"Support for reading and writing partition
tables","priority":"suggested","soname":["libfdisk.so.1"]}]
|@FDO
[{"feature":"gnutls","description":"Support for TLS via
GnuTLS","priority":"suggested","soname":["libgnutls.so.30"]}]
|@FDO
[{"feature":"archive","description":"Support for decompressing archive
files","priority":"suggested","soname":["libarchive.so.13"]}]
|@FDO
[{"feature":"crypt","description":"Support for hashing
passwords","priority":"recommended","soname":["libcrypt.so.2","libcrypt.so.1","libcrypt.so.1.1"]}]
|@FDO
[{"feature":"mount","description":"Support for mount
enumeration","priority":"recommended","soname":["libmount.so.1"]}]
|@FDO
[{"feature":"kmod","description":"Support for loading kernel
modules","priority":"recommended","soname":["libkmod.so.2"]}]
|@FDO
[{"feature":"seccomp","description":"Support for Seccomp
Sandboxes","priority":"recommended","soname":["libseccomp.so.2"]}]
|@FDO
[{"feature":"zstd","description":"Support zstd compression in journal and coredump
files","priority":"recommended","soname":["libzstd.so.1"]}]
|@FDO
[{"feature":"gcrypt","description":"Support for journald forward-
sealing","priority":"suggested","soname":["libgcrypt.so.20"]}]

I noticed it when testing systemd.

Daniel

> 
> Ross