problem : initdb is not intialising via installing postgress on mac os x

hi..
i am triying to install postgres on mac os x.2.all the
installation is over but i am not able to initialise
the database.it giving error like This user must also
own the server process.

i am sending the output.if anybody know the problem
the please help..

thanks


[ample-amples-Computer:~] ampleample% su -l postgres
Password:
[ample-amples-Computer:~] postgres%
/Library/PostgreSQL/bin/initdb -D
/Library/PostgreSQL/data
The files belonging to this database system will be
owned by user "postgres".
This user must also own the server process.

Fixing permissions on existing directory
/Library/PostgreSQL/data... ok
creating directory /Library/PostgreSQL/data/base... ok
creating directory /Library/PostgreSQL/data/global...
ok
creating directory /Library/PostgreSQL/data/pg_xlog...
ok
creating directory /Library/PostgreSQL/data/pg_clog...
ok
creating template1 database in
/Library/PostgreSQL/data/base/1... dyld:
/Library/PostgreSQL/bin/postgres Undefined symbols:
/Library/PostgreSQL/bin/postgres undefined reference
to _crypt expected to be defined in
/usr/lib/libcrypto.0.9.dylib
/Library/PostgreSQL/bin/initdb: line 473:  3217 Broken
pipe             cat "$POSTGRES_BKI"
      3218                       | sed -e
"s/POSTGRES/$POSTGRES_SUPERUSERNAME/g" -e
"s/ENCODING/$MULTIBYTEID/g"
      3219 Trace/BPT trap          |
"$PGPATH"/postgres -boot -x1 $PGSQL_OPT
$BACKEND_TALK_ARG template1

initdb failed.


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