elput: Add support for non-systemd boxes using elogind

These commits allow running efl/e wayland without installing systemd
by using elogind library to provide the needed functionality.

Merge branch 'devs/devilhorns/elput'

configure.ac

@@ -3934,8 +3934,22 @@ EFL_INTERNAL_DEPEND_PKG([ELPUT], [eina])
 
 EFL_DEPEND_PKG([ELPUT], [LIBINPUT], [libinput >= 1.7.0 xkbcommon >= 0.3.0 libudev])
 
+AC_ARG_ENABLE([elogind],
+   [AS_HELP_STRING([--enable-elogind],[enable elogind support.@<:@default=disabled@:>@])],
+   [
+    if test "x${enableval}" = "xyes" ; then
+       want_elogind="yes"
+    else
+       want_elogind="no"
+    fi
+   ], [
+    want_elogind="yes"
+   ])
+
 EFL_OPTIONAL_DEPEND_PKG([ELPUT], [${want_systemd}], [SYSTEMD], [libsystemd])
+EFL_OPTIONAL_DEPEND_PKG([ELPUT], [${want_elogind}], [ELOGIND], [libelogind])
 EFL_ADD_FEATURE([ELPUT], [systemd-logind], [${want_systemd}])
+EFL_ADD_FEATURE([ELPUT], [elogind], [${want_elogind}])
 
 EFL_ADD_LIBS([ELPUT], [-lm])
 

meson_options.txt

@@ -333,3 +333,9 @@ option('native-arch-optimization',
   value: true,
   description: 'Flag for enabling architecture native optimizations'
 )
+
+option('elogind',
+  type : 'boolean',
+  value : false,
+  description : 'use elogind support'
+)

src/lib/elput/elput_logind.c

@@ -1,6 +1,6 @@
 #include "elput_private.h"
 
-#ifdef HAVE_SYSTEMD
+#if defined(HAVE_SYSTEMD) || defined(HAVE_ELOGIND)
 
 static void
 _logind_session_active_cb_free(void *data EINA_UNUSED, void *event)

src/lib/elput/elput_manager.c

@@ -2,7 +2,7 @@
 
 static Elput_Interface *_ifaces[] =
 {
-#ifdef HAVE_SYSTEMD
+#if defined(HAVE_SYSTEMD) || defined(HAVE_ELOGIND)
    &_logind_interface,
 #endif
    NULL,

src/lib/elput/elput_private.h

@@ -28,6 +28,10 @@
 #  include <systemd/sd-login.h>
 # endif
 
+# ifdef HAVE_ELOGIND
+#  include <elogind/sd-login.h>
+# endif
+
 #ifndef ELPUT_NODEFS
 # ifdef ELPUT_DEFAULT_LOG_COLOR
 #  undef ELPUT_DEFAULT_LOG_COLOR

src/lib/elput/meson.build

@@ -22,6 +22,9 @@ elput_deps += dependency('libudev')
 if get_option('systemd')
   elput_deps += systemd
 endif
+if get_option('elogind')
+  elput_deps += dependency('libelogind')
+endif
 
 elput_lib = library('elput',
     elput_src, pub_eo_file_target,