changed the deprecation border to 6.0 in this case

per-file comments:
  mysql-test/r/backup.result
    Bug#44676      5.4 deprecation messages allege feature removal in lower version
    test result fixed
  mysql-test/r/show_check.result
    Bug#44676      5.4 deprecation messages allege feature removal in lower version
    test result fixed
  mysql-test/r/sp-error.result
    Bug#44676      5.4 deprecation messages allege feature removal in lower version
    test result fixed
  mysql-test/r/sp.result
    Bug#44676      5.4 deprecation messages allege feature removal in lower version
    test result fixed
  mysql-test/r/sp_trans.result
    Bug#44676      5.4 deprecation messages allege feature removal in lower version
    test result fixed
  mysql-test/r/warnings.result
    Bug#44676      5.4 deprecation messages allege feature removal in lower version
    test result fixed
  mysql-test/suite/rpl/r/rpl_sp.result
    Bug#44676      5.4 deprecation messages allege feature removal in lower version
    test result fixed
  sql/mysqld.cc
Bug#44676      5.4 deprecation messages allege feature removal in lower version
  sql/set_var.cc
Bug#44676      5.4 deprecation messages allege feature removal in lower version
  sql/sql_table.cc
Bug#44676      5.4 deprecation messages allege feature removal in lower version
  sql/sql_yacc.yy
Bug#44676      5.4 deprecation messages allege feature removal in lower version

As described in the bug, the problem is not new in 5.4, but newly tickled.
We need a register whose lower 8 bits can be accessed, and must request
such from the assembler.  Using a "q" constraint instead of "r" constraint
accomplishes this.

include/Makefile.am: use @PERL@ to call scripts/dheadgen.pl - don't rely on #! /usr/bin/perl
scripts/dheadgen.pl: use 2-arg open() for compatibility with older Perl versions
storage/innobase/srv/srv0srv.c: Don't use C++-style comments in C code

    the innodb_file_io_threads option isn't present here.
    Changed with the innodb_read/write_io_threads

per-file comments:
  support-files/my-innodb-heavy-4G.cnf.sh

  the problem is in the TIMESTAMP(14) fields of the access-control tables.
  The TIMESTAMP(14) syntax is marked as DEPRECATED since 5.2.
  Fixed by just changed the check to 6.0 as it's done in the 5.1 branch.
      
per-file comments:
  sql/sql_parse.cc
Bug#44394      Assertion Failure
    now it's deprecated since 6.0

Update version number; also modify NDB's version.c for compatibility.

Probe definition file is now a separate file that is copied during
build to the correct location, this enforces dependency requirements
correctly and allows builds to work when using the current or separate
build directories

Enables Google patch support on Windows

produced by libtool

Removed fake rule and replaced it by real rule instead

-1 was MAX which isn't a great idea.