pre gcc v5 support and allow building without dbengine (#14239)

* allow spinlock to be compiled with gcc 4.9

* allow compiling without dbengine

1 files changed, 3 insertions, 0 deletions

diff --git a/daemon/global_statistics.c b/daemon/global_statistics.c
index 15f3a5275f..3bd3822cca 100644
--- a/daemon/global_statistics.c
+++ b/daemon/global_statistics.c
@@ -996,6 +996,8 @@ static void sqlite3_statistics_charts(void) {
     // ----------------------------------------------------------------
 }
 
+#ifdef ENABLE_DBENGINE
+
 struct dbengine2_cache_pointers {
     RRDSET *st_cache_hit_ratio;
     RRDDIM *rd_hit_ratio_closest;
@@ -2323,6 +2325,7 @@ static void dbengine2_statistics_charts(void) {
         }
     }
 }
+#endif // ENABLE_DBENGINE
 
 static void update_strings_charts() {
     static RRDSET *st_ops = NULL, *st_entries = NULL, *st_mem = NULL;