MXS-2008 Move content of maxscale/platform.h to maxbase/cdefs.h

No good reason for keeping that platform adjustments anywhere
else but in cdefs.h.

include/maxscale/platform.h

@@ -1,54 +0,0 @@
-#pragma once
-/*
- * Copyright (c) 2016 MariaDB Corporation Ab
- *
- * Use of this software is governed by the Business Source License included
- * in the LICENSE.TXT file and at www.mariadb.com/bsl11.
- *
- * Change Date: 2022-01-01
- *
- * On the date above, in accordance with the Business Source License, use
- * of this software will be governed by version 2 or later of the General
- * Public License.
- */
-
-#include <maxscale/cdefs.h>
-
-MXS_BEGIN_DECLS
-
-#if !defined(__cplusplus)
-
-#if __STDC_VERSION__ >= 201112
-
-#if defined(__STDC_NO_THREADS__)
-#define thread_local _Thread_local
-#else
-#include <threads.h>
-#endif
-
-#else // __STDC_VERSION >= 201112
-
-#if defined(__GNUC__)
-#define thread_local __thread
-#else
-#error Do not know how to define thread_local on this compiler/OS platform.
-#endif
-
-#endif
-
-#else // __cplusplus
-
-// GCC 4.8 added support for native thread_local.
-#if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 8)
-
-#if defined(__GNUC__)
-#define thread_local __thread
-#else
-#error Do not know how to define thread_local on this compiler/OS platform.
-#endif
-
-#endif
-
-#endif // __cplusplus
-
-MXS_END_DECLS

include/maxscale/worker.hh

@@ -21,7 +21,6 @@
 #include <unordered_set>
 
 #include <maxbase/semaphore.hh>
-#include <maxscale/platform.h>
 #include <maxscale/session.h>
 #include <maxscale/utils.hh>
 #include <maxscale/worker.h>