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

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)) thank you for giving me some help here