how to install plpython? - Mailing list pgsql-general

Hi guys,

I need to install plpython language in my db.

testdb=# create language plpythonu;
ERROR:  could not access file "$libdir/plpython": No such file or directory

-bash-3.2$ pwd
/usr/pgsql-9.0/lib
-bash-3.2$ ls pl*
plpgsql.so

testdb=# select * from pg_pltemplate;
  tmplname  | tmpltrusted | tmpldbacreate |      tmplhandler       |        tmplinline        |   tmplvalidator   |    tmpllibrary    | tmplacl
------------+-------------+---------------+------------------------+--------------------------+-------------------+-------------------+---------
 plpgsql    | t           | t             | plpgsql_call_handler   | plpgsql_inline_handler   | plpgsql_validator | $libdir/plpgsql   |
 pltcl      | t           | t             | pltcl_call_handler     |                          |                   | $libdir/pltcl     |
 pltclu     | f           | f             | pltclu_call_handler    |                          |                   | $libdir/pltcl     |
 plperl     | t           | t             | plperl_call_handler    | plperl_inline_handler    | plperl_validator  | $libdir/plperl    |
 plperlu    | f           | f             | plperl_call_handler    | plperl_inline_handler    | plperl_validator  | $libdir/plperl    |
 plpythonu  | f           | f             | plpython_call_handler  | plpython_inline_handler  |                   | $libdir/plpython  |
 plpython2u | f           | f             | plpython_call_handler  | plpython_inline_handler  |                   | $libdir/plpython2 |
 plpython3u | f           | f             | plpython3_call_handler | plpython3_inline_handler |                   | $libdir/plpython3 |
(8 rows)


Where may I get plpython.so?