From b515b337ea55ed06c5223f81f861a77920014d5b Mon Sep 17 00:00:00 2001
From: Myk Taylor <myk002@yahoo.com>
Date: Mon, 27 Mar 2023 08:38:18 -0700
Subject: [PATCH] silence noisy buildingplan warning

about itemless buildings not having items
---
 plugins/buildingplan/defaultitemfilters.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/plugins/buildingplan/defaultitemfilters.cpp b/plugins/buildingplan/defaultitemfilters.cpp
index fc7dd9f56..ac0a4699e 100644
--- a/plugins/buildingplan/defaultitemfilters.cpp
+++ b/plugins/buildingplan/defaultitemfilters.cpp
@@ -60,6 +60,8 @@ DefaultItemFilters::DefaultItemFilters(color_ostream &out, PersistentDataItem &f
     auto &serialized = filter_config.val();
     DEBUG(status,out).print("deserializing default item filters for key %d,%d,%d: %s\n",
         std::get<0>(key), std::get<1>(key), std::get<2>(key), serialized.c_str());
+    if (!jitems.size())
+        return;
     std::vector<std::string> elems;
     split_string(&elems, serialized, "|");
     std::vector<ItemFilter> filters = deserialize_item_filters(out, elems[0]);