Original revision:
------------------------------------------------------------
revision-id: kent.boortz@sun.com-20100204182709-dw1dwpglkd5qrehb
committer: Kent Boortz <kent.boortz@sun.com>
branch nick: mysql-5.1-bugteam
timestamp: Thu 2010-02-04 19:27:09 +0100
message:
  LT_INIT and LT_PREREQ was added in libtool 2.2 2008, a bit too
  recent, switched back to the older AC_PROG_LIBTOOL
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- Fix  to mysql_install_db.pl to the correct place on Windows ( under scripts directory)

Conflicts:
  - configure.in

Conflicts:
  - configure.in

Conflicts:
  - sql/sql_show.cc

Conflicts:
  - sql/sql_select.cc

Conflicts:
  - configure.in
  - mysql-test/include/setup_fake_relay_log.inc
  - sql/sql_select.cc

Conflicts:
  - sql/mysqld.cc

Conflicts:
  - mysql-test/t/bug46080.test

Conflicts:
  - mysql-test/collections/default.experimental
  - mysql-test/suite/rpl/r/rpl_sp.result

path names than 99 characters, using the USTAR format of the
resulting source TAR.

To be able to specify the use of USTAR when creating the source
TAR, we needed both to update the GNU autotools version requirements
slightly, and update the initiation of the tools to use more
modern constructs.

If not,  write warning and disable signing

Also, set SIGNCODE in mysql_release build configuration.

  fulltext search and row op.

The search for fulltext indexes is searching for some special 
predicate layouts. While doing so it's not checking for the number
of columns of the expressions it tries to calculate.
And since row expressions can't return a single scalar value there
was a crash.
Fixed by checking if the expressions are scalar (in addition to 
being constant) before calling Item::val_xxx() methods.