Fix test failures on embedded server.

Problem was incorrect definition of wsrep_recovery,
trx_sys_update_wsrep_checkpoint and
trx_sys_read_wsrep_checkpoint functions causing
innodb_plugin not to load as there was undefined symbols.

storage/innobase/buf/buf0dump.cc

@@ -41,9 +41,7 @@ Created April 08, 2011 Vasil Dimov
 #include "sync0rw.h" /* rw_lock_s_lock() */
 #include "ut0byte.h" /* ut_ull_create() */
 #include "ut0sort.h" /* UT_SORT_FUNCTION_BODY */
-#ifdef WITH_WSREP
-extern my_bool wsrep_recovery;
-#endif /* WITH_WSREP */
+#include "mysql/service_wsrep.h" /* wsrep_recovery */
 
 enum status_severity {
 	STATUS_INFO,
@@ -695,12 +693,13 @@ DECLARE_THREAD(buf_dump_thread)(void*)
 	buf_load_status(STATUS_INFO, "Loading buffer pool(s) not yet started");
 
 	if (srv_buffer_pool_load_at_startup) {
+
 #ifdef WITH_WSREP
 		if (!wsrep_recovery) {
 #endif /* WITH_WSREP */
-		buf_load();
+			buf_load();
 #ifdef WITH_WSREP
-                }
+		}
 #endif /* WITH_WSREP */
 	}
 
@@ -728,6 +727,7 @@ DECLARE_THREAD(buf_dump_thread)(void*)
 #ifdef WITH_WSREP
 		if (!wsrep_recovery) {
 #endif /* WITH_WSREP */
+
 		buf_dump(FALSE /* ignore shutdown down flag,
 		keep going even if we are in a shutdown state */);
 #ifdef WITH_WSREP

storage/innobase/include/trx0sys.h

@@ -315,6 +315,7 @@ trx_sys_print_mysql_binlog_offset(void);
 @param[in]	xid		Transaction XID
 @param[in,out]	sys_header	sys_header
 @param[in]	mtr		minitransaction */
+UNIV_INTERN
 void
 trx_sys_update_wsrep_checkpoint(
 	const XID*	xid,
@@ -322,8 +323,10 @@ trx_sys_update_wsrep_checkpoint(
 	mtr_t*		mtr);
 
 /** Read WSREP XID from sys_header of TRX_SYS_PAGE_NO = 5.
-@param[out]	xid	Transaction XID */
-void
+@param[out]	xid	Transaction XID
+@return  true on success, false on error. */
+UNIV_INTERN
+bool
 trx_sys_read_wsrep_checkpoint(XID* xid);
 
 #endif /* WITH_WSREP */

storage/innobase/srv/srv0start.cc

@@ -70,8 +70,7 @@ Created 2/16/1996 Heikki Tuuri
 #include "srv0start.h"
 #include "srv0srv.h"
 #include "btr0defragment.h"
-
-#include <mysql/service_wsrep.h>
+#include "mysql/service_wsrep.h" /* wsrep_recovery */
 
 #ifndef UNIV_HOTBACKUP
 # include "trx0rseg.h"
@@ -3014,6 +3013,7 @@ files_checked:
 		*/
 		if (!wsrep_recovery) {
 #endif /* WITH_WSREP */
+
 		/* Create the buffer pool dump/load thread */
 		srv_buf_dump_thread_active = true;
 		buf_dump_thread_handle=
@@ -3027,6 +3027,7 @@ files_checked:
 				"wsrep recovery.");
 		}
 #endif /* WITH_WSREP */
+
 		/* Create thread(s) that handles key rotation */
 		fil_system_enter();
 		fil_crypt_threads_init();

storage/innobase/trx/trx0sys.cc

@@ -344,6 +344,7 @@ static inline void read_wsrep_xid_uuid(const XID* xid, unsigned char* buf)
 @param[in]	xid		Transaction XID
 @param[in,out]	sys_header	sys_header
 @param[in]	mtr		minitransaction */
+UNIV_INTERN
 void
 trx_sys_update_wsrep_checkpoint(
 	const XID*	xid,
@@ -402,8 +403,10 @@ trx_sys_update_wsrep_checkpoint(
 }
 
 /** Read WSREP XID from sys_header of TRX_SYS_PAGE_NO = 5.
-@param[out]	xid	Transaction XID */
-void
+@param[out]	xid	Transaction XID
+@return  true on success, false on error. */
+UNIV_INTERN
+bool
 trx_sys_read_wsrep_checkpoint(XID* xid)
 {
 	trx_sysf_t* sys_header;
@@ -423,8 +426,8 @@ trx_sys_read_wsrep_checkpoint(XID* xid)
 		xid->formatID = -1;
 		trx_sys_update_wsrep_checkpoint(xid, sys_header, &mtr);
 		mtr_commit(&mtr);
-		return;
-        }
+		return false;
+	}
 
 	xid->formatID     = (int)mach_read_from_4(
 		sys_header
@@ -440,6 +443,7 @@ trx_sys_read_wsrep_checkpoint(XID* xid)
 		XIDDATASIZE);
 
 	mtr_commit(&mtr);
+	return true;
 }
 
 #endif /* WITH_WSREP */

storage/xtradb/buf/buf0dump.cc

@@ -41,9 +41,7 @@ Created April 08, 2011 Vasil Dimov
 #include "sync0rw.h" /* rw_lock_s_lock() */
 #include "ut0byte.h" /* ut_ull_create() */
 #include "ut0sort.h" /* UT_SORT_FUNCTION_BODY */
-#ifdef WITH_WSREP
-extern my_bool wsrep_recovery;
-#endif /* WITH_WSREP */
+#include "mysql/service_wsrep.h" /* wsrep_recovery */
 
 enum status_severity {
 	STATUS_INFO,

storage/xtradb/include/trx0sys.h

@@ -336,14 +336,17 @@ trx_sys_print_mysql_binlog_offset(void);
 @param[in]	xid		Transaction XID
 @param[in,out]	sys_header	sys_header
 @param[in]	mtr		minitransaction */
+UNIV_INTERN
 void
 trx_sys_update_wsrep_checkpoint(
 	const XID*	xid,
 	trx_sysf_t*	sys_header,
 	mtr_t*		mtr);
 
-/** Read WSREP checkpoint XID from sys header. 
+/** Read WSREP checkpoint XID from sys header.
+@param[out]	xid	Transaction XID
 @return  true on success, false on error. */
+UNIV_INTERN
 bool
 trx_sys_read_wsrep_checkpoint(
         XID* xid); /*!< out: WSREP XID */

storage/xtradb/srv/srv0start.cc

@@ -73,8 +73,7 @@ Created 2/16/1996 Heikki Tuuri
 #include "btr0defragment.h"
 #include "ut0timer.h"
 #include "btr0scrub.h"
-
-#include <mysql/service_wsrep.h>
+#include "mysql/service_wsrep.h" /* wsrep_recovery */
 
 #ifndef UNIV_HOTBACKUP
 # include "trx0rseg.h"

storage/xtradb/trx/trx0sys.cc

@@ -348,6 +348,7 @@ static inline void read_wsrep_xid_uuid(const XID* xid, unsigned char* buf)
 @param[in]	xid		Transaction XID
 @param[in,out]	sys_header	sys_header
 @param[in]	mtr		minitransaction */
+UNIV_INTERN
 void
 trx_sys_update_wsrep_checkpoint(
 	const XID*	xid,
@@ -406,8 +407,9 @@ trx_sys_update_wsrep_checkpoint(
 }
 
 /** Read WSREP XID from sys_header of TRX_SYS_PAGE_NO = 5.
-@param[out]	xid	Transaction XID 
+@param[out]	xid	Transaction XID
 @retval true if found, false if not */
+UNIV_INTERN
 bool
 trx_sys_read_wsrep_checkpoint(XID* xid)
 {