From 9502e6897d935673aa8ab7c290841691b7591243 Mon Sep 17 00:00:00 2001
From: Lars Wendler <polynomial-c@gmx.de>
Date: Thu, 24 Oct 2024 16:26:29 +0200
Subject: [PATCH] Support elogind as logind alternative

Can be enabled with -Dlogind=enabled -Delogind=enabled

logind from systemd is still the default
---
 meson.build       | 9 ++++++++-
 meson_options.txt | 2 ++
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/meson.build b/meson.build
index 2be21282..1f1ecb4b 100644
--- a/meson.build
+++ b/meson.build
@@ -316,8 +316,15 @@ else
   stringparam_profileconditions += ';no_openssl_hmac'
 endif
 
+if get_option('elogind').enabled()
+  logind_check='libelogind'
+  logind_ver='>= 255'
+else
+  logind_check='libsystemd'
+  logind_ver='>= 254'
+endif
 
-libsystemd = dependency('libsystemd', version: '>= 254', required: get_option('logind'))
+libsystemd = dependency(logind_check, version: logind_ver, required: get_option('logind'))
 cdata.set('USE_LOGIND', libsystemd.found() ? 1 : false)
 
 systemdunitdir = get_option('systemdunitdir')
diff --git a/meson_options.txt b/meson_options.txt
index 914ab462..9686ba53 100644
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -10,6 +10,8 @@ option('econf', type: 'feature', value: 'auto',
        description: 'libeconf support')
 option('logind', type: 'feature', value: 'auto',
        description: 'logind support in pam_issue and pam_timestamp')
+option('elogind', type: 'feature', value: 'disabled',
+       description: 'Prefer elogind over systemd as logind provider')
 option('openssl', type: 'feature', value: 'disabled',
        description: 'Use OpenSSL crypto libraries in pam_timestamp')
 option('selinux', type: 'feature', value: 'auto',
-- 
2.47.0