build: Bump dependency on glib 2.38

It's almost 10 years old, so I think we can safely depend on that to
support the features we're optionally depending on, plus the ones we're
going to add

libnotify/notification.c

@@ -707,9 +707,7 @@ notify_notification_show (NotifyNotification *notification,
         GHashTableIter             iter;
         gpointer                   key, data;
         GVariant                  *result;
-#ifdef GLIB_VERSION_2_32
         GApplication              *application = NULL;
-#endif
 
         g_return_val_if_fail (notification != NULL, FALSE);
         g_return_val_if_fail (NOTIFY_IS_NOTIFICATION (notification), FALSE);
@@ -763,7 +761,6 @@ notify_notification_show (NotifyNotification *notification,
                                        g_variant_new_take_string (snap_desktop));
         }
 
-#ifdef GLIB_VERSION_2_32
         if (!_notify_get_snap_app ()) {
                 application = g_application_get_default ();
         }
@@ -779,7 +776,6 @@ notify_notification_show (NotifyNotification *notification,
                                        g_variant_new_string (application_id));
             }
         }
-#endif
 
         /* TODO: make this nonblocking */
         result = g_dbus_proxy_call_sync (proxy,

libnotify/notify.c

@@ -166,28 +166,20 @@ notify_init (const char *app_name)
                 return TRUE;
 
         if (app_name == NULL) {
-#ifdef GLIB_VERSION_2_32
                 GApplication *application;
-#endif
 
                 app_name = _notify_get_snap_app ();
 
-#ifdef GLIB_VERSION_2_32
                 if (app_name == NULL &&
                     (application = g_application_get_default ())) {
                         app_name = g_application_get_application_id (application);
                 }
-#endif
         }
 
         if (!set_app_name (app_name)) {
                 return FALSE;
         }
 
-#ifndef GLIB_VERSION_2_36
-        g_type_init ();
-#endif
-
         _initted = TRUE;
 
         return TRUE;

meson.build

@@ -36,7 +36,7 @@ man1dir = join_paths(prefix, get_option('mandir'), 'man1')
 libnotify_deps = []
 extra_deps = []
 
-glib_req_version = '>= 2.26.0'
+glib_req_version = '>= 2.38.0'
 
 gdk_pixbuf_dep = dependency('gdk-pixbuf-2.0')
 glib_dep = dependency('glib-2.0', version: glib_req_version)

tests/test-error.c

@@ -29,10 +29,6 @@ main ()
 {
         NotifyNotification *n;
 
-#ifndef GLIB_VERSION_2_36
-        g_type_init ();
-#endif
-
         notify_init ("Error Handling");
 
         n = notify_notification_new ("Summary", "Content", NULL);

tests/test-replace.c

@@ -28,10 +28,6 @@ main ()
         GError             *error;
         error = NULL;
 
-#ifndef GLIB_VERSION_2_36
-        g_type_init ();
-#endif
-
         notify_init ("Replace Test");
 
         n = notify_notification_new ("Summary",

tools/notify-send.c

@@ -283,10 +283,6 @@ main (int argc, char *argv[])
 
         setlocale (LC_ALL, "");
 
-#ifndef GLIB_VERSION_2_36
-        g_type_init ();
-#endif
-
         g_set_prgname (argv[0]);
         g_log_set_always_fatal (G_LOG_LEVEL_ERROR | G_LOG_LEVEL_CRITICAL);