1 files changed, 3 insertions, 0 deletions
diff --git a/sql/ha_innodb.h b/sql/ha_innodb.h
index 8309c5eb440..1a9b1b16c64 100644
--- a/sql/ha_innodb.h
+++ b/sql/ha_innodb.h
@@ -197,6 +197,9 @@ extern char *innobase_unix_file_flush_method;
 /* The following variables have to be my_bool for SHOW VARIABLES to work */
 extern my_bool innobase_log_archive,
                innobase_use_native_aio, innobase_fast_shutdown;
+extern "C" {
+extern ulong srv_max_buf_pool_modified_pct;
+}
 
 extern TYPELIB innobase_lock_typelib;