From 085a97f835062cc7d585b290c2c5c459fc7f877d Mon Sep 17 00:00:00 2001
From: Leonid Yuriev <leo@yuriev.ru>
Date: Mon, 22 Nov 2021 16:05:31 +0300
Subject: [PATCH] mdbx: define `MDBX_ENODATA == 9919` on systems without
 `ENODATA`.

As workaround for incompatibility C and C++ code using LLVM's C++ libraries/headers on on systems without native `ENODATA`.
---
 mdbx.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mdbx.h b/mdbx.h
index 43d0d5ef..ea0791fc 100644
--- a/mdbx.h
+++ b/mdbx.h
@@ -1737,7 +1737,7 @@ enum MDBX_error_t {
 #ifdef ENODATA
   MDBX_ENODATA = ENODATA,
 #else
-  MDBX_ENODATA = -1,
+  MDBX_ENODATA = 9919 /* for compatibility with LLVM's C++ libraries/headers */,
 #endif /* ENODATA */
   MDBX_EINVAL = EINVAL,
   MDBX_EACCESS = EACCES,