into mysql.com:/home/mydev/mysql-5.0-5000

After merge fix.

 - Different behaviuor in 5.0 pushes a warning when renaming a non existent file. Avoid that by checking that the file exists before renaming.

Merge from 4.1

After merge fix.

into neptunus.(none):/home/msvensson/mysql/mysql-5.0

into neptunus.(none):/home/msvensson/mysql/mysql-5.0

into mysql.com:/home/pem/work/mysql-5.0

(Review on irc by monty)

into mysql.com:/M41/mysql-4.1

into mysql.com:/usr/home/ram/work/4.1.b9803

into mysql.com:/home/pem/work/mysql-5.0

  Fix compilation error if HAVE_REPLICATION is not defined

into lmy002.wdf.sap.corp:/home/georg/work/mysql/prod/mysql-5.0

into lmy002.wdf.sap.corp:/home/georg/work/mysql/prod/mysql-5.0

into neptunus.(none):/home/msvensson/mysql/mysql-5.0

 - Reverted removal of errorcheck mutex initialise, used in safe_mutex_init. 

into mysql.com:/home/pem/work/mysql-5.0

   - Made a script that selects the best compiler optimizations for the current cpu.
   - Use the script from BUILD/SETUP.sh 

  Correct an assertion

Added protection against global read lock while creating and
initializing a delayed insert handler.
Allowed to ignore a global read lock when locking the table
inside the delayed insert handler.
Added some minor improvements.

  Fix compilation error if HAVE_REPLICATION is not defined

into neptunus.(none):/home/msvensson/mysql/mysql-5.0

into neptunus.(none):/home/msvensson/mysql/mysql-4.1

  Fix linking and compilation errors

into neptunus.(none):/home/msvensson/mysql/mysql-4.1

into neptunus.(none):/home/msvensson/mysql/mysql-4.1

into neptunus.(none):/home/msvensson/mysql/mysql-4.1

 - Remove linking of libsupc++
 - Move all local static variables to filescope

 - Display error if system readline or libedit can't be found

  - Changed makelist.sh
  - Bump up required version of autoconf
  - Use new style to init mutex in my_thr_init

into mysql.com:/home/jonas/src/mysql-4.1

  Remove printf's from semi-sync code in sql_repl.cc