(fails on pb for solaris debug_max)

Conflicts:
  - sql/sql_base.cc

Conflicts:
  - support-files/mysql.spec.sh
  - configure.in

Now that Oracle has legally acquired Sun, change the copyright owner
and the vendor.

support-files/mysql.spec.sh:
  Introduce a new macro "vendor 2" and set it to Sun,
  so that we can have a whole series of vendors if such events continue.

Conflicts:
  - sql/item.cc

Conflicts:
  - scripts/mysqld_multi.sh
  - sql/item_timefunc.cc

Conflicts:
  - sql/share/Makefile.am

as provided by Trudy Pelzer.

suffer. The problem was that when custom C flags were defined with in environment 
variable CFLAGS, WITH_DEBUG did not have any effect. Also, switch from 
WITH_DEBUG=ON to WITH_DEBUG=OFF   was not handled correctly .Expected is switch 
to with RelwithDebInfo or when custom compiler flags  are defined, to None.

Fixed the missing initialization of locker_lost.

This fix is not strictly necessary, but is desirable to re-align the code
from 5.5 and 6.0, and reduce the spurious code differences.

This will facilitate maintenance and help to apply patches cleanly, for merges.

Followup: Changes in sys_vars test suite

  mysql-test/suite/sys_vars/r/optimizer_search_depth_basic.result
    Added warnings.

into mysql-next-4284 tree.

into mysql-next-4284.

restoring the maximum of slave_net_timeout as defined
#define LONG_TIMEOUT ((ulong) 3600L*24L*365L)

      
Add deprecation warning when variable optimizer_search_depth is given
the value 63.
      
  mysql-test/r/greedy_optimizer.result
    Updated with warning text.
  mysql-test/r/mysqld--help-notwin.result
    Updated with warning from mysqld --help --verbose.
  mysql-test/r/mysqld--help-win.result
    Updated with warning from mysqld --help --verbose.
  sql/sys_vars.cc
    Added an update check function to the constructor invocation for
    the optimizer_search_depth variable. The function emits a
    warning message for the value 63.

into mysql-next-4284 tree.

Fixed failed assert on 64 bit platforms, introduced by the previous fix.

mysqld: sys_vars.h:125: Assertion `size == sizeof(T)' failed.