From 7d54518d60ba2aa18a0b6225aeaca39a61d4795b Mon Sep 17 00:00:00 2001
From: Leonid Yuriev <leo@yuriev.ru>
Date: Mon, 3 May 2021 14:44:15 +0300
Subject: [PATCH] mdbx: add workaround for GCC 4.8 preprocessor bug.

Change-Id: I965cfbcd43596ef896a6b849dd043804bdb3f41f
---
 src/options.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/options.h b/src/options.h
index 2e9deb01..d76b8c44 100644
--- a/src/options.h
+++ b/src/options.h
@@ -162,7 +162,11 @@
 /** Presumed malloc size overhead for each allocation
  * to adjust allocations to be more aligned. */
 #ifndef MDBX_ASSUME_MALLOC_OVERHEAD
+#ifdef __SIZEOF_POINTER__
+#define MDBX_ASSUME_MALLOC_OVERHEAD (__SIZEOF_POINTER__ * 2u)
+#else
 #define MDBX_ASSUME_MALLOC_OVERHEAD (sizeof(void *) * 2u)
+#endif
 #elif MDBX_ASSUME_MALLOC_OVERHEAD < 0 || MDBX_ASSUME_MALLOC_OVERHEAD > 64 ||   \
     MDBX_ASSUME_MALLOC_OVERHEAD % 4
 #error MDBX_ASSUME_MALLOC_OVERHEAD must be defined in range 0..64 and be multiple of 4