Package: lightdm
Version: 1.26.0-6
Severity: normal

Dear Maintainer,

lightdm cannot be installed because of unmet dependencies:

$ sudo apt install lightdm
[sudo] password for nico:
Reading package lists... Done
Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 lightdm : Depends: libpam-systemd or
                     logind
                     E: Unable to correct problems, you have held
broken packages.

-- System Information:
Distributor ID: Debian
Description:    Devuan GNU/Linux 4 (chimaera/ceres)
Release:        testing/unstable
Codename:       n/a
Architecture: x86_64

Kernel: Linux 5.4.0-4-amd64 (SMP w/16 CPU cores)
Kernel taint flags: TAINT_PROPRIETARY_MODULE, TAINT_OOT_MODULE,
TAINT_UNSIGNED_MODULE
Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8),
LANGUAGE=en_GB:en (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: sysvinit (via /sbin/init)
LSM: AppArmor: enabled

Versions of packages lightdm depends on:
ii  adduser                                3.118
ii  dbus                                   1.12.16-1+devuan2
ii  debconf [debconf-2.0]                  1.5.73
ii  libaudit1                              1:2.8.5-2+b1
ii  libc6                                  2.29-10
ii  libgcrypt20                            1.8.5-3
ii  libglib2.0-0                           2.62.4-2
pn  libpam-systemd | logind                <none>
ii  libpam0g                               1.3.1-5
ii  libxcb1                                1.13.1-5
ii  libxdmcp6                              1:1.1.2-3
ii  lightdm-gtk-greeter [lightdm-greeter]  2.0.7-1
ii  lsb-base                               11.1.0

Versions of packages lightdm recommends:
pn xserver-xorg <none>

Versions of packages lightdm suggests:
pn  accountsservice  <none>
ii  upower           1:0.9.23-2+devuan1.3
pn  xserver-xephyr   <none>

--
Cheers,
Nico