--- a/configure.ac	2016-11-03 20:16:02.842071344 +0100
+++ b/configure.ac	2016-11-03 20:15:34.612071850 +0100
@@ -183,11 +183,12 @@
 
 AM_CONDITIONAL(BUILD_TEST, [test "x$enable_test" = "xyes"])
 
-dnl ---------------------------------------------------------------------------
-dnl - Select wether to use libsystemd-login or ConsoleKit for session tracking
-dnl ---------------------------------------------------------------------------
+dnl -----------------------------------------------------------------------------------
+dnl - Select wether to use libsystemd-login, elogind or ConsoleKit for session tracking
+dnl -----------------------------------------------------------------------------------
 
 have_libsystemd=no
+have_elogind=no
 SESSION_TRACKING=ConsoleKit
 
 AC_ARG_ENABLE([libsystemd-login],
@@ -220,6 +221,29 @@
     fi
   fi
 fi
+
+AC_ARG_ENABLE([libelogind],
+              [AS_HELP_STRING([--enable-libelogind[=@<:@auto/yes/no@:>@]], [Use libelogind (auto/yes/no)])],
+              [enable_libelogind=$enableval],
+              [enable_libelogind=auto])
+if test "$enable_libelogind" != "no"; then
+  PKG_CHECK_MODULES([LIBELOGIND],
+    [libelogind],
+    [have_libelogind=yes],
+    [have_libelogind=no])
+  if test "$have_libelogind" = "yes"; then
+    SESSION_TRACKING=libelogind
+    AC_DEFINE([HAVE_LIBELOGIND], 1, [Define to 1 if libelogind is available])
+    save_LIBS=$LIBS
+    LIBS=$LIBELOGIND_LIBS
+    AC_CHECK_FUNCS(sd_uid_get_display)
+    LIBS=$save_LIBS
+  else
+    if test "$enable_libelogind" = "yes"; then
+      AC_MSG_ERROR([libelogind support requested but libelogind not found])
+    fi
+  fi
+fi
 
 AS_IF([test "x$cross_compiling" != "xyes" ], [
   AS_IF([test "$have_libsystemd" = "yes"], [
@@ -245,6 +245,10 @@
 AC_SUBST(LIBSYSTEMD_LIBS)
 AM_CONDITIONAL(HAVE_LIBSYSTEMD, [test "$have_libsystemd" = "yes"], [Using libsystemd])
 
+AC_SUBST(LIBELOGIND_CFLAGS)
+AC_SUBST(LIBELOGIND_LIBS)
+AM_CONDITIONAL(HAVE_LIBELOGIND, [test "$have_libelogind" = "yes"], [Using libelogind])
+
 dnl ---------------------------------------------------------------------------
 dnl - systemd unit / service files
 dnl ---------------------------------------------------------------------------
--- a/src/polkitbackend/Makefile.am	2016-11-04 04:40:46.930116006 +0100
+++ b/src/polkitbackend/Makefile.am	2016-11-04 04:42:14.586114436 +0100
@@ -42,21 +42,28 @@
 libpolkit_backend_1_la_SOURCES += \
 	polkitbackendsessionmonitor.h		polkitbackendsessionmonitor-systemd.c
 else
+if HAVE_LIBELOGIND
+libpolkit_backend_1_la_SOURCES += \
+	polkitbackendsessionmonitor.h		polkitbackendsessionmonitor-systemd.c
+else
 libpolkit_backend_1_la_SOURCES += \
 	polkitbackendsessionmonitor.h		polkitbackendsessionmonitor.c
 endif
+endif
 
 libpolkit_backend_1_la_CFLAGS =                                        	\
         -D_POLKIT_COMPILATION                                  		\
         -D_POLKIT_BACKEND_COMPILATION                                  	\
         $(GLIB_CFLAGS)							\
 	$(LIBSYSTEMD_CFLAGS)						\
+	$(LIBELOGIND_CFLAGS)						\
 	$(LIBJS_CFLAGS)							\
         $(NULL)
 
 libpolkit_backend_1_la_LIBADD =                               		\
         $(GLIB_LIBS)							\
 	$(LIBSYSTEMD_LIBS)						\
+	$(LIBELOGIND_LIBS)						\
 	$(top_builddir)/src/polkit/libpolkit-gobject-1.la		\
 	$(EXPAT_LIBS)							\
 	$(LIBJS_LIBS)							\
--- a/src/polkit/Makefile.am	2016-11-04 04:41:02.756115723 +0100
+++ b/src/polkit/Makefile.am	2016-11-04 04:42:49.428113812 +0100
@@ -85,19 +85,26 @@
 libpolkit_gobject_1_la_SOURCES += \
 	polkitunixsession-systemd.c		polkitunixsession.h
 else
+if HAVE_LIBELOGIND
+libpolkit_gobject_1_la_SOURCES += \
+	polkitunixsession-systemd.c		polkitunixsession.h
+else
 libpolkit_gobject_1_la_SOURCES += \
 	polkitunixsession.c			polkitunixsession.h
 endif
+endif
 
 libpolkit_gobject_1_la_CFLAGS =                                        	\
         -D_POLKIT_COMPILATION                                  		\
         $(GLIB_CFLAGS)							\
 	$(LIBSYSTEMD_CFLAGS)						\
+	$(LIBELOGIND_CFLAGS)						\
         $(NULL)
 
 libpolkit_gobject_1_la_LIBADD =                               		\
         $(GLIB_LIBS)							\
 	$(LIBSYSTEMD_LIBS)						\
+	$(LIBELOGIND_LIBS)						\
         $(NULL)
 
 libpolkit_gobject_1_la_LDFLAGS = -export-symbols-regex '(^polkit_.*)'
--- a/src/polkitbackend/polkitbackendjsauthority.c	2017-06-27 09:22:03.375841040 +0200
+++ b/src/polkitbackend/polkitbackendjsauthority.c	2017-06-27 09:25:33.815845141 +0200
@@ -39,6 +39,10 @@
 #include <systemd/sd-login.h>
 #endif /* HAVE_LIBSYSTEMD */
 
+#ifdef HAVE_LIBELOGIND
+#include <elogind/sd-login.h>
+#endif /* HAVE_LIBELOGIND */
+
 #include <jsapi.h>
 
 #include "initjs.h" /* init.js */
@@ -793,7 +797,7 @@
       g_assert_not_reached ();
     }
 
-#ifdef HAVE_LIBSYSTEMD
+#if defined(HAVE_LIBSYSTEMD) || defined(HAVE_LIBELOGIND)
   if (sd_pid_get_session (pid, &session_str) == 0)
     {
       if (sd_session_get_seat (session_str, &seat_str) == 0)
@@ -801,7 +805,7 @@
           /* do nothing */
         }
     }
-#endif /* HAVE_LIBSYSTEMD */
+#endif /* HAVE_LIBSYSTEMD or HAVE_LIBELOGIND */
 
   g_assert (POLKIT_IS_UNIX_USER (user_for_subject));
   uid = polkit_unix_user_get_uid (POLKIT_UNIX_USER (user_for_subject));
--- a/src/polkitbackend/polkitbackendsessionmonitor-systemd.c	2016-11-04 04:44:29.650112018 +0100
+++ b/src/polkitbackend/polkitbackendsessionmonitor-systemd.c	2016-11-04 04:46:52.718109455 +0100
@@ -25,7 +25,11 @@
 #include <grp.h>
 #include <string.h>
 #include <glib/gstdio.h>
+#ifdef HAVE_LIBSYSTEMD
 #include <systemd/sd-login.h>
+#else
+#include <elogind/sd-login.h>
+#endif /* HAVE_LIBSYSTEMD versus HAVE_LIBELOGIND */
 #include <stdlib.h>
 
 #include <polkit/polkit.h>
--- a/src/polkit/polkitunixsession-systemd.c	2016-11-04 04:44:29.651112017 +0100
+++ b/src/polkit/polkitunixsession-systemd.c	2016-11-04 04:47:07.160109197 +0100
@@ -30,7 +30,11 @@
 #include "polkiterror.h"
 #include "polkitprivate.h"
 
+#ifdef HAVE_LIBSYSTEMD
 #include <systemd/sd-login.h>
+#else
+#include <elogind/sd-login.h>
+#endif /* HAVE_LIBSYSTEMD versus HAVE_ELOGIND */
 
 /**
  * SECTION:polkitunixsession