Manual merge 5.0->5.1

BitKeeper/etc/logging_ok:
  auto-union
configure.in:
  Auto merged
mysql-test/mysql-test-run.sh:
  Auto merged
sql/ha_innodb.cc:
  Auto merged
sql/ha_ndbcluster.cc:
  Auto merged
sql/item.cc:
  Auto merged
sql/log_event.cc:
  Auto merged
sql/mysql_priv.h:
  Auto merged
sql/mysqld.cc:
  Auto merged
sql/sql_class.h:
  Auto merged
sql/sql_parse.cc:
  Auto merged
sql/sql_select.cc:
  Auto merged
storage/innobase/include/lock0lock.h:
  Auto merged
storage/innobase/include/srv0srv.h:
  Auto merged
storage/innobase/lock/lock0lock.c:
  Auto merged
storage/innobase/srv/srv0srv.c:
  Auto merged
storage/ndb/test/src/NDBT_ResultRow.cpp:
  Auto merged
sql/slave.cc:
  Due to refactoring, this needs to be checked before the call.
sql/sql_acl.cc:
  Resolving conflicts due to bug fix and filter refactoring

1 files changed, 17 insertions, 0 deletions

diff --git a/config/ac-macros/misc.m4 b/config/ac-macros/misc.m4
index d75dedafa2a..8c961ef84e0 100644
--- a/config/ac-macros/misc.m4
+++ b/config/ac-macros/misc.m4
@@ -693,3 +693,20 @@ dnl ---------------------------------------------------------------------------
 dnl END OF MYSQL_CHECK_BIG_TABLES SECTION
 dnl ---------------------------------------------------------------------------
 
+dnl MYSQL_NEEDS_MYSYS_NEW
+AC_DEFUN([MYSQL_NEEDS_MYSYS_NEW],
+[AC_CACHE_CHECK([needs mysys_new helpers], mysql_use_mysys_new,
+[
+AC_LANG_PUSH(C++)
+AC_TRY_LINK([], [
+class A { public: int b; }; A *a=new A; a->b=10; delete a;
+], mysql_use_mysys_new=no, mysql_use_mysys_new=yes)
+AC_LANG_POP(C++)
+])
+if test "$mysql_use_mysys_new" = "yes"
+then
+  AC_DEFINE([USE_MYSYS_NEW], [1], [Needs to use mysys_new helpers])
+fi
+])
+
+