(fails on pb for solaris debug_max)

when cmake is used for building in a symlinked directory, 
and confguration is later adjusted with "cmake-gui ." After it,
GenServerSource fails with "no rule for <filename>". The reason
for the error is that cmake-gui  resolves "." as realpath and rules
are generated accordingly, while "cmake" used symlinked path

The fix uses ${CMAKE_CURRENT_BINARY_DIR} instead of 
${CMAKE_BINARY_DIR}/sql  for generated files. 
This causes CMake to use relative file names so 
relative file names when generating make rules.
Using relative filenames avoids the problem of 
refering to the same directory using 2 different paths.

Besides, using ${CMAKE_CURRENT_BINARY_DIR} is 
a commonly used style when working with generated 
files.

autotools runs
- Fix recognition of --with-debug=full in configure wrapper
- Remove CMakeCache.txt in configure wrapper, to match the original
- Fix recognition of max-no-ndb
- Fix broken dependencies of mysql_fix_privilege_table.sql from 
  mysql_system_tables.sql and mysql_system_tables_fix.sql
- Add "distclean target" that informs user about appropriate bzr command



cmake/configure.pl:
  - Recognize --with-debug=full, map to WITH_DEBUG_FULL
  - remove CMakeCache.txt, so the configuration is no more sticky
  (to match the original configure behavior)
cmake/plugin.cmake:
  - Recognize WITH_MAX_NO_NDB, this fixes missing storage engines after BUILD/*max-no-ndb scripts
mysql-test/CMakeLists.txt:
  test-force uses the same macros (MTR_FORCE) as test-bt* now
scripts/CMakeLists.txt:
  - Fix broken dependency when producing mysql_fix_privilege_tables.sql, reported by Davi.
  We now concatenate 2 scripts in custom command that
  has dependency on both scripts rather than concatenating them at cmake time.
sql/CMakeLists.txt:
  Address frequently asked question "where is distclean" by implementing distclean target 
  that does nothing except pointing to appropriate 
  bzr command.
  
  It is better not to call "bzr clean-tree" automatically, without user consent.
  It could clean new files that were meant to be added.

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.