From c4598ce30094a084dec7cd4aba157e1a94d488d6 Mon Sep 17 00:00:00 2001
From: Sergei Golubchik <sergii@pisem.net>
Date: Mon, 10 Nov 2014 19:17:39 +0100
Subject: MDEV-6862 "#error <my_config.h>" and third-party libraries

only enforce the include order if SAFE_MUTEX is defined
(that is, in MariaDB source builds in debug mode)
---
 config.h.cmake | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

(limited to 'config.h.cmake')

diff --git a/config.h.cmake b/config.h.cmake
index 4b0769d5cfa..34f77dba050 100644
--- a/config.h.cmake
+++ b/config.h.cmake
@@ -648,9 +648,13 @@
   included first (or at least before <features.h> - so, practically,
   before including any system headers).
 
-  __GLIBC__ is defined in <features.h>
+  Check the include order by looking at __GLIBC__ (defined in <features.h>)
+
+  But we cannot force all third-party clients/connectors to include
+  my_config.h first. So, their crashes are their responsibility,
+  we enable this check only for MariaDB sources (SAFE_MUTEX check).
 */
-#ifdef __GLIBC__
+#if defined(__GLIBC__) && defined(SAFE_MUTEX)
 #error <my_config.h> MUST be included first!
 #endif
 
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