From 959451af5dad7acc4dab3d5f16c8cdc15d8c8e71 Mon Sep 17 00:00:00 2001
From: Jiri Drbalek <jiri.drbalek@firma.seznam.cz>
Date: Mon, 13 Oct 2014 13:07:21 +0000
Subject: [PATCH] sqlite plugin - disable shared cache for sqlite prior to
 3.7.15

---
 plugins/input/sqlite/sqlite_connection.hpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/plugins/input/sqlite/sqlite_connection.hpp b/plugins/input/sqlite/sqlite_connection.hpp
index 176a56d9a..966402f41 100644
--- a/plugins/input/sqlite/sqlite_connection.hpp
+++ b/plugins/input/sqlite/sqlite_connection.hpp
@@ -57,7 +57,12 @@ public:
         int mode = SQLITE_OPEN_READWRITE;
 #if SQLITE_VERSION_NUMBER >= 3006018
         // shared cache flag not available until >= 3.6.18
-        mode |= SQLITE_OPEN_NOMUTEX | SQLITE_OPEN_SHAREDCACHE;
+        // Don't use shared cache in SQLite prior to 3.7.15.
+        // https://github.com/mapnik/mapnik/issues/2483
+        if (sqlite3_libversion_number() >= 3007015)
+        {
+            mode |= SQLITE_OPEN_NOMUTEX | SQLITE_OPEN_SHAREDCACHE;
+        }
 #endif
         const int rc = sqlite3_open_v2 (file_.c_str(), &db_, mode, 0);
 #else