Solaris 10 : PHP Startup: Unable to load dynamic library '.../mysql.so'

[mounir mds]

hello every body :
i have a problem with mysql :
mysql functions are not defined !
even if my php.ini is configure as bellow   :

; Directory in which the loadable extensions (modules) reside.
extension_dir = "/usr/local/lib/php/extensions/no-debug-non-zts-20060613/"

 extension=mysql.so

and whene a do an ls  :
# ls -l /usr/local/lib/php/extensions/no-debug-non-zts-20060613/mysql.so
-rwxr-xr-x   1 root     root      119916 Jun 11 11:38
/usr/local/lib/php/extensions/no-debug-non-zts-20060613/mysql.so

here is the error in the log file :
[11-Jun-2007 15:33:24] PHP Warning:  PHP Startup: Unable to load dynamic
library '/usr/local/lib/php/extensions/no-debug-non-zts-20060613/mysql.so' -
ld.so.1: httpd:
 fatal: libmtmalloc.so.1: DF_1_NOOPEN tagged object may not be dlopen()'ed
in Unknown on line 0

and in the browser i get
Fatal error: Call to undefined function mysql_connect() in
/var/apache2/htdocs/test_mysql.php on line 8

line 8 : in test_mysql.php

if (!mysql_connect($db_hostname, $db_username, $db_password))
----------------
here is what my mysql_config --libs

> mysql_config --libs
-xarch=v8 -L/opt/mysql/mysql/lib -lmysqlclient -lz -lposix4 -lresolv -lgen
-lsocket -lnsl -lm

thers no
-lmtmalloc

in the returned line ;
my mysql version

mysql> select version();
+------------+
| version()  |
+------------+
| 5.0.41-log |
+------------+



thank you for giving me some help here