Merge tulin@bk-internal.mysql.com:/home/bk/mysql-5.0

into dl145b.mysql.com:/home/ndbdev/tomas/mysql-5.1


extra/perror.c:
  Auto merged
include/my_global.h:
  Auto merged
mysql-test/r/ps_6bdb.result:
  Auto merged
mysql-test/r/ps_7ndb.result:
  Auto merged
BitKeeper/deleted/.del-var~62c955ccf2da1a21:
  Auto merged
mysql-test/t/disabled.def:
  Auto merged
sql/field.cc:
  Auto merged
sql/ha_ndbcluster.cc:
  Auto merged
sql/item.cc:
  Auto merged
sql/log_event.cc:
  Auto merged
sql/mysql_priv.h:
  Auto merged
sql/mysqld.cc:
  Auto merged
sql/sql_parse.cc:
  Auto merged
sql/sql_prepare.cc:
  Auto merged
sql/sql_select.cc:
  Auto merged
sql/sql_show.cc:
  Auto merged
storage/ndb/src/mgmsrv/ConfigInfo.cpp:
  Auto merged
storage/ndb/src/mgmsrv/ConfigInfo.hpp:
  Auto merged
storage/ndb/src/mgmsrv/main.cpp:
  Auto merged

scripts/mysqld_safe.sh

@@ -106,31 +106,49 @@ parse_arguments() {
 }
 
 
+#
+# First, try to find BASEDIR and ledir (where mysqld is)
+# 
+
 MY_PWD=`pwd`
-# Check if we are starting this relative (for the binary release)
-if test -f ./share/mysql/english/errmsg.sys -a \
- -x ./bin/mysqld
+# Check for the directories we would expect from a binary release install
+if test -f ./share/mysql/english/errmsg.sys -a -x ./bin/mysqld
 then
   MY_BASEDIR_VERSION=$MY_PWD		# Where bin, share and data are
   ledir=$MY_BASEDIR_VERSION/bin		# Where mysqld is
-  DATADIR=$MY_BASEDIR_VERSION/data
-  if test -z "$defaults" -a -r "$DATADIR/my.cnf"
-  then
-    defaults="--defaults-extra-file=$DATADIR/my.cnf"
-  fi
-# Check if this is a 'moved install directory'
+# Check for the directories we would expect from a source install
 elif test -f ./share/mysql/english/errmsg.sys -a \
  -x ./libexec/mysqld
 then
   MY_BASEDIR_VERSION=$MY_PWD		# Where libexec, share and var are
   ledir=$MY_BASEDIR_VERSION/libexec	# Where mysqld is
-  DATADIR=$MY_BASEDIR_VERSION/var
+# Since we didn't find anything, used the compiled-in defaults
 else
   MY_BASEDIR_VERSION=@prefix@
-  DATADIR=@localstatedir@
   ledir=@libexecdir@
 fi
 
+#
+# Second, try to find the data directory
+#
+
+# Try where the binary installs put it
+if test -d $MY_BASEDIR_VERSION/data/mysql
+then
+  DATADIR=$MY_BASEDIR_VERSION/data
+  if test -z "$defaults" -a -r "$DATADIR/my.cnf"
+  then
+    defaults="--defaults-extra-file=$DATADIR/my.cnf"
+  fi
+# Next try where the source installs put it
+elif test -d $MY_BASEDIR_VERSION/var/mysql
+then
+  DATADIR=$MY_BASEDIR_VERSION/var
+# Or just give up and use our compiled-in default
+else
+  DATADIR=@localstatedir@
+fi
+
 if test -z "$MYSQL_HOME"
 then 
   if test -r "$MY_BASEDIR_VERSION/my.cnf" && test -r "$DATADIR/my.cnf"