MY SQL Error dirung installation

[cancer-rat]

Fatal error: Call to undefined function: mysql_pconnect() in /home/landojo/www/Forum/admin/db_mysql.php on line 48

this error occurs when i check to see if the php works.

[PeF]

Did you compile PHP with MySQL support?

[cancer-rat]

my serve admin says,

"that's an addon that hasn't been installed."

how would he install this?

[PeF]

http://www.vbulletin.com/forum/showthread.php?s=&threadid=3292