Fixed compiler warnings

dbug/tests.c:
  Added __attribute__((unused)) to get rid of compiler warning
server-tools/instance-manager/guardian.cc:
  Added __attribute__((unused)) to get rid of compiler warning
sql/filesort.cc:
  Added __attribute__((unused)) to get rid of compiler warning
sql/slave.cc:
  Added __attribute__((unused)) to get rid of compiler warning
sql/sql_load.cc:
  Added __attribute__((unused)) to get rid of compiler warning
sql/sql_table.cc:
  Added __attribute__((unused)) to get rid of compiler warning
storage/maria/ma_blockrec.c:
  Added __attribute__((unused)) to get rid of compiler warning
storage/maria/ma_check.c:
  Added missing cast
storage/maria/ma_loghandler.c:
  Added __attribute__((unused)) to get rid of compiler warning
storage/maria/ma_recovery.c:
  Added __attribute__((unused)) to get rid of compiler warning
storage/pbxt/src/cache_xt.cc:
  Added __attribute__((unused)) to get rid of compiler warning
storage/xtradb/fil/fil0fil.c:
  Removed not used variable
storage/xtradb/handler/ha_innodb.cc:
  Use unused variable
vio/viosocket.c:
  Remove usage of not used variable
vio/viosslfactories.c:
  Added cast

dbug/tests.c

@@ -16,7 +16,7 @@ const char *func3()
 
 void func2()
 {
-  const char *s;
+  const char *s __attribute__((unused));
   DBUG_ENTER("func2");
   s=func3();
   DBUG_PRINT("info", ("s=%s", s));

server-tools/instance-manager/guardian.cc

@@ -440,7 +440,7 @@ void Guardian::stop_instances()
 
     /* Request mysqld to stop. */
 
-    bool instance_stopped= FALSE;
+    bool instance_stopped __attribute__((unused))= FALSE;
 
     for (int cur_attempt= 0; cur_attempt < NUM_STOP_ATTEMPTS; ++cur_attempt)
     {

sql/filesort.cc

@@ -827,7 +827,7 @@ static void make_sortkey(register SORTPARAM *param,
         if (sort_field->need_strxnfrm)
         {
           char *from=(char*) res->ptr();
-          uint tmp_length;
+          uint tmp_length __attribute__((unused));
           if ((uchar*) from == to)
           {
             set_if_smaller(length,sort_field->length);

sql/slave.cc

@@ -513,7 +513,7 @@ terminate_slave_thread(THD *thd,
 
   while (*slave_running)                        // Should always be true
   {
-    int error;
+    int error __attribute__((unused));
     DBUG_PRINT("loop", ("killing slave thread"));
 
     pthread_mutex_lock(&thd->LOCK_thd_data);

sql/sql_load.cc

@@ -140,7 +140,7 @@ int mysql_load(THD *thd,sql_exchange *ex,TABLE_LIST *table_list,
   */
   char *tdb= thd->db ? thd->db : db;		// Result is never null
   ulong skip_lines= ex->skip_lines;
-  bool transactional_table;
+  bool transactional_table __attribute__((unused));
   DBUG_ENTER("mysql_load");
 
   /*

sql/sql_table.cc

@@ -6619,7 +6619,7 @@ bool mysql_alter_table(THD *thd,char *new_db, char *new_name,
   uint fast_alter_partition= 0;
   bool partition_changed= FALSE;
 #endif
-  bool need_lock_for_indexes= TRUE;
+  bool need_lock_for_indexes __attribute__((unused)) = TRUE;
   KEY  *key_info_buffer;
   uint index_drop_count= 0;
   uint *index_drop_buffer= NULL;

storage/maria/ma_blockrec.c

@@ -3676,7 +3676,7 @@ static my_bool _ma_update_block_record2(MARIA_HA *info,
   MARIA_PINNED_PAGE page_link;
   uint rownr, org_empty_size, head_length;
   uint block_size= info->s->block_size;
-  uint errpos= 0;
+  uint errpos __attribute__((unused)) = 0;
   uchar *dir;
   pgcache_page_no_t page;
   struct st_row_pos_info row_pos;

storage/maria/ma_check.c

@@ -3884,7 +3884,8 @@ int maria_repair_by_sort(HA_CHECK *param, register MARIA_HA *info,
           _ma_check_print_error(param,
                                 "Rows lost (Found %lu of %lu); Aborting "
                                 "because safe repair was requested",
-                                sort_info.new_info->s->state.state.records,
+                                (ulong) sort_info.new_info->s->
+                                state.state.records,
                                 (ulong) start_records);
           share->state.state.records=start_records;
 	  goto err;

storage/maria/ma_loghandler.c

@@ -3201,7 +3201,7 @@ static uint16 translog_get_chunk_header_length(uchar *chunk)
   case TRANSLOG_CHUNK_LSN:
   {
     /* 0 chunk referred as LSN (head or tail) */
-    translog_size_t rec_len;
+    translog_size_t rec_len __attribute__((unused));
     uchar *start= chunk;
     uchar *ptr= start + 1 + 2;
     uint16 chunk_len, header_len;

storage/maria/ma_recovery.c

@@ -2884,7 +2884,7 @@ static uint end_of_redo_phase(my_bool prepare_for_undo_phase)
 
 static int run_undo_phase(uint uncommitted)
 {
-  LSN last_undo;
+  LSN last_undo __attribute__((unused));
   DBUG_ENTER("run_undo_phase");
 
   if (uncommitted > 0)

storage/pbxt/src/cache_xt.cc

@@ -789,7 +789,7 @@ xtPublic void xt_ind_check_cache(XTIndexPtr ind)
 	ASSERT_NS(ind_cac_globals.cg_free_count == free_count);
 
 	/* Check the LRU list: */
-	XTIndBlockPtr list_block, plist_block;
+	XTIndBlockPtr list_block, plist_block __attribute__((unused));
 	
 	plist_block = NULL;
 	list_block = ind_cac_globals.cg_lru_block;

storage/xtradb/fil/fil0fil.c

@@ -3678,7 +3678,6 @@ func_exit:
 		ulint		page_no;
 		ulint		zip_size;
 		ulint		height;
-		ulint		root_height = 0;
 		rec_t*		node_ptr;
 		dict_table_t*	table;
 		dict_index_t*	index;
@@ -3717,7 +3716,6 @@ func_exit:
 
 			if (height == ULINT_UNDEFINED) {
 				height = btr_page_get_level(page, &mtr);
-				root_height = height;
 			}
 
 			if (height == 0) {

storage/xtradb/handler/ha_innodb.cc

@@ -10801,7 +10801,7 @@ ha_innobase::check_if_incompatible_data(
 	if (info_row_type == ROW_TYPE_DEFAULT)
 		info_row_type = ROW_TYPE_COMPACT;
 	if ((info->used_fields & HA_CREATE_USED_ROW_FORMAT) &&
-	    get_row_type() != ((info->row_type == ROW_TYPE_DEFAULT)
+	    row_type != ((info->row_type == ROW_TYPE_DEFAULT)
 				? ROW_TYPE_COMPACT : info->row_type)) {
 
 		DBUG_PRINT("info", ("get_row_type()=%d != info->row_type=%d -> "

vio/viosocket.c

@@ -391,7 +391,9 @@ my_bool vio_poll_read(Vio *vio,uint timeout)
 void vio_timeout(Vio *vio, uint which, uint timeout)
 {
 #if defined(SO_SNDTIMEO) && defined(SO_RCVTIMEO)
+#ifndef DBUG_OFF
   int r;
+#endif
   DBUG_ENTER("vio_timeout");
 
   {
@@ -405,10 +407,12 @@ void vio_timeout(Vio *vio, uint which, uint timeout)
   wait_timeout.tv_usec= 0;
 #endif
 
-  r= setsockopt(vio->sd, SOL_SOCKET, which ? SO_SNDTIMEO : SO_RCVTIMEO,
+#ifndef DBUG_OFF
-                IF_WIN(const char*, const void*)&wait_timeout,
+  r=
-                sizeof(wait_timeout));
+#endif
-
+    setsockopt(vio->sd, SOL_SOCKET, which ? SO_SNDTIMEO : SO_RCVTIMEO,
+               IF_WIN(const char*, const void*)&wait_timeout,
+               sizeof(wait_timeout));
   }
 
 #ifndef DBUG_OFF

vio/viosslfactories.c

@@ -300,7 +300,8 @@ new_VioSSLConnectorFd(const char *key_file, const char *cert_file,
     verify= SSL_VERIFY_NONE;
 
   if (!(ssl_fd= new_VioSSLFd(key_file, cert_file, ca_file,
-                             ca_path, cipher, TLSv1_client_method(), &dummy)))
+                             ca_path, cipher,
+                             (SSL_METHOD*) TLSv1_client_method(), &dummy)))
   {
     return 0;
   }
@@ -322,7 +323,8 @@ new_VioSSLAcceptorFd(const char *key_file, const char *cert_file,
   struct st_VioSSLFd *ssl_fd;
   int verify= SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE;
   if (!(ssl_fd= new_VioSSLFd(key_file, cert_file, ca_file,
-                             ca_path, cipher, TLSv1_server_method(), error)))
+                             ca_path, cipher,
+                             (SSL_METHOD*) TLSv1_server_method(), error)))
   {
     return 0;
   }