From b30408b862ae0a300ff32ef90b20cdde9efdd499 Mon Sep 17 00:00:00 2001
From: James Turner <zakalawe@mac.com>
Date: Mon, 21 Oct 2013 13:26:08 +0100
Subject: [PATCH] Fix bug 1227, cache thrash on Win.

Since we skip POI load on Windows, we also need to
omit the stat check. Apologies for the dumb mistake.

(Will back port to 2.12 branch)
---
 src/Navaids/NavDataCache.cxx | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/Navaids/NavDataCache.cxx b/src/Navaids/NavDataCache.cxx
index da943aa28..a17c8c6ea 100644
--- a/src/Navaids/NavDataCache.cxx
+++ b/src/Navaids/NavDataCache.cxx
@@ -1100,7 +1100,11 @@ bool NavDataCache::isRebuildRequired()
       isCachedFileModified(d->metarDatPath) ||
       isCachedFileModified(d->navDatPath) ||
       isCachedFileModified(d->fixDatPath) ||
+// since POI loading is disabled on Windows, don't check for it
+// this caused: https://code.google.com/p/flightgear-bugs/issues/detail?id=1227
+#ifndef SG_WINDOWS
       isCachedFileModified(d->poiDatPath) ||
+#endif
       isCachedFileModified(d->airwayDatPath))
   {
     SG_LOG(SG_NAVCACHE, SG_INFO, "NavCache: main cache rebuild required");