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-rw-r--r--mysys/waiting_threads.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/mysys/waiting_threads.c b/mysys/waiting_threads.c
index f7e74e012d2..0a9474e68b4 100644
--- a/mysys/waiting_threads.c
+++ b/mysys/waiting_threads.c
@@ -193,7 +193,9 @@ uint32 wt_success_stats;
static my_atomic_rwlock_t cycle_stats_lock, wait_stats_lock, success_stats_lock;
+#ifdef HAVE_PSI_INTERFACE
extern PSI_cond_key key_WT_RESOURCE_cond;
+#endif
#ifdef SAFE_STATISTICS
#define incr(VAR, LOCK) \