Reduce GLib requirement

src/common/servlist.c

@@ -581,6 +581,41 @@ static const struct defaultserver def[] =
 
 GSList *network_list = 0;
 
+#if !GLIB_CHECK_VERSION(2,34,0)
+#define g_slist_copy_deep servlist_slist_copy_deep
+/* FIXME copy-paste from gslist.c, should be dumped sometime */
+static GSList*
+servlist_slist_copy_deep (GSList *list, GCopyFunc func, gpointer user_data)
+{
+  GSList *new_list = NULL;
+
+  if (list)
+    {
+      GSList *last;
+
+      new_list = g_slice_new (GSList);
+      if (func)
+        new_list->data = func (list->data, user_data);
+      else
+        new_list->data = list->data;
+      last = new_list;
+      list = list->next;
+      while (list)
+        {
+          last->next = g_slice_new (GSList);
+          last = last->next;
+          if (func)
+            last->data = func (list->data, user_data);
+          else
+            last->data = list->data;
+          list = list->next;
+        }
+      last->next = NULL;
+    }
+
+  return new_list;
+}
+#endif
 
 void
 servlist_connect (session *sess, ircnet *net, gboolean join)