From 22a41169c1f7a2c6a58c2fb10a4ed55bd8fe0d77 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Cl=C3=A9ment=20Renault?= <clement@meilisearch.com>
Date: Mon, 27 Nov 2023 10:35:15 +0100
Subject: [PATCH] ITS#10137 LMDB: Allow users to define MDB_IDL_LOGN

---
 libraries/liblmdb/midl.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libraries/liblmdb/midl.h b/libraries/liblmdb/midl.h
index aa45c2e726..765708cf6b 100644
--- a/libraries/liblmdb/midl.h
+++ b/libraries/liblmdb/midl.h
@@ -56,7 +56,9 @@ typedef MDB_ID *MDB_IDL;
 /* IDL sizes - likely should be even bigger
  *   limiting factors: sizeof(ID), thread stack size
  */
+#ifndef MDB_IDL_LOGN
 #define	MDB_IDL_LOGN	16	/* DB_SIZE is 2^16, UM_SIZE is 2^17 */
+#endif
 #define MDB_IDL_DB_SIZE		(1<<MDB_IDL_LOGN)
 #define MDB_IDL_UM_SIZE		(1<<(MDB_IDL_LOGN+1))