This changest:

Plugins now when compiled or not compiled work correctly with status variables. 
Status variables from plugins now set their own names (removed bit where plugin name was pre-appended this broke Innodb and Cluster)
A few Makefile cleanups. 

sql/ha_innodb.cc

@@ -42,8 +42,6 @@ have disables the InnoDB inlining in this file. */
 
 #define MAX_ULONG_BIT ((ulong) 1 << (sizeof(ulong)*8-1))
 
-#ifdef WITH_INNOBASE_STORAGE_ENGINE
-
 #include "ha_innodb.h"
 
 pthread_mutex_t innobase_share_mutex,	/* to protect innobase_open_files */
@@ -311,7 +309,8 @@ SHOW_VAR innodb_status_variables[]= {
   (char*) &export_vars.innodb_rows_read,		  SHOW_LONG},
   {"rows_updated",
   (char*) &export_vars.innodb_rows_updated,		  SHOW_LONG},
-  {NullS, NullS, SHOW_LONG}};
+  {NullS, NullS, SHOW_LONG}
+};
 
 /* General functions */
 
@@ -7599,6 +7598,19 @@ bool ha_innobase::check_if_incompatible_data(
 	return COMPATIBLE_DATA_YES;
 }
 
+static int show_innodb_vars(THD *thd, SHOW_VAR *var, char *buff)
+{
+  innodb_export_status();
+  var->type= SHOW_ARRAY;
+  var->value= (char *) &innodb_status_variables;
+  return 0;
+}
+
+SHOW_VAR innodb_status_variables_export[]= {
+  {"Innodb",                   (char*) &show_innodb_vars, SHOW_FUNC},
+  {NullS, NullS, SHOW_LONG}
+};
+
 struct st_mysql_storage_engine innobase_storage_engine=
 { MYSQL_HANDLERTON_INTERFACE_VERSION, &innobase_hton};
 
@@ -7612,9 +7624,7 @@ mysql_declare_plugin(innobase)
   innobase_init, /* Plugin Init */
   NULL, /* Plugin Deinit */
   0x0100 /* 1.0 */,
-  0
+  innodb_status_variables_export
 }
 mysql_declare_plugin_end;
 
-#endif
-

sql/ha_ndbcluster.cc

@@ -10577,6 +10577,11 @@ static int ndbcluster_fill_files_table(THD *thd, TABLE_LIST *tables,
   DBUG_RETURN(0);
 }
 
+SHOW_VAR ndb_status_variables_export[]= {
+  {"Ndb",                      (char*) &ndb_status_variables,   SHOW_ARRAY},
+  {NullS, NullS, SHOW_LONG}
+};
+
 struct st_mysql_storage_engine ndbcluster_storage_engine=
 { MYSQL_HANDLERTON_INTERFACE_VERSION, &ndbcluster_hton };
 
@@ -10590,7 +10595,7 @@ mysql_declare_plugin(ndbcluster)
   ndbcluster_init, /* Plugin Init */
   NULL, /* Plugin Deinit */
   0x0100 /* 1.0 */,
-  0
+  ndb_status_variables_export
 }
 mysql_declare_plugin_end;
 

sql/handler.cc

@@ -37,10 +37,6 @@
 #include "ha_partition.h"
 #endif
 
-#ifdef WITH_INNOBASE_STORAGE_ENGINE
-#include "ha_innodb.h"
-#endif
-
 /*
   While we have legacy_db_type, we have this array to
   check for dups and to find handlerton from legacy_db_type.
@@ -434,6 +430,12 @@ int ha_initialize_handlerton(st_plugin_int *plugin)
       savepoint_alloc_size+= tmp;
       hton->slot= total_ha++;
       hton2plugin[hton->slot]=plugin;
+      /* This is just a temp need until plugin/engine startup is fixed */
+      if (plugin->plugin->status_vars)
+      {
+        add_status_vars(plugin->plugin->status_vars);
+      }
+
       if (hton->prepare)
         total_ha_2pc++;
       break;

sql/mysqld.cc

@@ -357,7 +357,6 @@ my_bool opt_show_slave_auth_info, opt_sql_bin_update = 0;
 my_bool opt_log_slave_updates= 0;
 my_bool	opt_innodb;
 #ifdef WITH_INNOBASE_STORAGE_ENGINE
-extern SHOW_VAR innodb_status_variables[];
 extern uint innobase_init_flags, innobase_lock_type;
 extern uint innobase_flush_log_at_trx_commit;
 extern ulong innobase_cache_size, innobase_fast_shutdown;
@@ -417,7 +416,6 @@ ulong ndb_report_thresh_binlog_epoch_slip;
 ulong ndb_report_thresh_binlog_mem_usage;
 #endif
 
-extern SHOW_VAR ndb_status_variables[];
 extern const char *ndb_distribution_names[];
 extern TYPELIB ndb_distribution_typelib;
 extern const char *opt_ndb_distribution;
@@ -6574,16 +6572,6 @@ static int show_ssl_get_cipher_list(THD *thd, SHOW_VAR *var, char *buff)
 
 #endif /* HAVE_OPENSSL */
 
-#ifdef WITH_INNOBASE_STORAGE_ENGINE
-int innodb_export_status(void);
-static int show_innodb_vars(THD *thd, SHOW_VAR *var, char *buff)
-{
-  innodb_export_status();
-  var->type= SHOW_ARRAY;
-  var->value= (char *) &innodb_status_variables;
-  return 0;
-}
-#endif
 
 SHOW_VAR status_vars[]= {
   {"Aborted_clients",          (char*) &aborted_threads,        SHOW_LONG},
@@ -6723,9 +6711,6 @@ SHOW_VAR status_vars[]= {
   {"Handler_savepoint_rollback",(char*) offsetof(STATUS_VAR, ha_savepoint_rollback_count), SHOW_LONG_STATUS},
   {"Handler_update",           (char*) offsetof(STATUS_VAR, ha_update_count), SHOW_LONG_STATUS},
   {"Handler_write",            (char*) offsetof(STATUS_VAR, ha_write_count), SHOW_LONG_STATUS},
-#ifdef WITH_INNOBASE_STORAGE_ENGINE
-  {"Innodb",                   (char*) &show_innodb_vars, SHOW_FUNC},
-#endif /* WITH_INNOBASE_STORAGE_ENGINE */
   {"Key_blocks_not_flushed",   (char*) offsetof(KEY_CACHE, global_blocks_changed), SHOW_KEY_CACHE_LONG},
   {"Key_blocks_unused",        (char*) offsetof(KEY_CACHE, blocks_unused), SHOW_KEY_CACHE_LONG},
   {"Key_blocks_used",          (char*) offsetof(KEY_CACHE, blocks_used), SHOW_KEY_CACHE_LONG},
@@ -6735,9 +6720,6 @@ SHOW_VAR status_vars[]= {
   {"Key_writes",               (char*) offsetof(KEY_CACHE, global_cache_write), SHOW_KEY_CACHE_LONGLONG},
   {"Last_query_cost",          (char*) offsetof(STATUS_VAR, last_query_cost), SHOW_DOUBLE_STATUS},
   {"Max_used_connections",     (char*) &max_used_connections,  SHOW_LONG},
-#ifdef WITH_NDBCLUSTER_STORAGE_ENGINE
-  {"Ndb",                      (char*) &ndb_status_variables,   SHOW_ARRAY},
-#endif /* WITH_NDBCLUSTER_STORAGE_ENGINE */
   {"Not_flushed_delayed_rows", (char*) &delayed_rows_in_use,    SHOW_LONG_NOFLUSH},
   {"Open_files",               (char*) &my_file_opened,         SHOW_LONG_NOFLUSH},
   {"Open_streams",             (char*) &my_stream_opened,       SHOW_LONG_NOFLUSH},

sql/sql_delete.cc

@@ -21,9 +21,6 @@
 */
 
 #include "mysql_priv.h"
-#ifdef WITH_INNOBASE_STORAGE_ENGINE
-#include "ha_innodb.h"
-#endif
 #include "sql_select.h"
 #include "sp_head.h"
 #include "sql_trigger.h"

storage/myisam/Makefile.am

@@ -49,7 +49,9 @@ myisampack_LDADD=		@CLIENT_EXTRA_LDFLAGS@ libmyisam.a \
 			$(top_builddir)/dbug/libdbug.a \
 			$(top_builddir)/strings/libmystrings.a @ZLIB_LIBS@
 noinst_PROGRAMS =	mi_test1 mi_test2 mi_test3 rt_test sp_test #ft_test1 ft_eval
-noinst_HEADERS =	myisamdef.h rt_index.h rt_key.h rt_mbr.h sp_defs.h fulltext.h ftdefs.h ft_test1.h ft_eval.h
+noinst_HEADERS =	myisamdef.h rt_index.h rt_key.h rt_mbr.h sp_defs.h \
+			fulltext.h ftdefs.h ft_test1.h ft_eval.h \
+			ha_myisam.h
 mi_test1_DEPENDENCIES=	$(LIBRARIES)
 mi_test1_LDADD=		@CLIENT_EXTRA_LDFLAGS@ libmyisam.a \
 			$(top_builddir)/mysys/libmysys.a \

storage/myisam/ha_myisam.cc

@@ -29,8 +29,6 @@
 #include "myisamdef.h"
 #include "rt_index.h"
 
-#include <mysql/plugin.h>
-
 ulong myisam_recover_options= HA_RECOVER_NONE;
 
 /* bits in myisam_recover_options */