php installation problem with imap support

hello all i already put that question but can't get solution. i want to install php on linux and courier-imap is running already and when i configure command of php it give me error of rfc822 and say check imap installation , i reinstall the imap but it can't work then i dowload the c-client but it also not working either i do mistake with configuring with c-client.bcz i can't understand the method of c-client installation. so guid how i install php with imap support...and also c-client if necessary thanks. zafar