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-rw-r--r--innobase/include/lock0lock.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/innobase/include/lock0lock.h b/innobase/include/lock0lock.h
index 3f39a0b40c7..ce308e50651 100644
--- a/innobase/include/lock0lock.h
+++ b/innobase/include/lock0lock.h
@@ -19,7 +19,9 @@ Created 5/7/1996 Heikki Tuuri
#include "read0types.h"
#include "hash0hash.h"
+#ifdef UNIV_DEBUG
extern ibool lock_print_waits;
+#endif /* UNIV_DEBUG */
/* Buffer for storing information about the most recent deadlock error */
extern FILE* lock_latest_err_file;