php 5 optimizer/byte cache problem

Dear All I am using php 5.1.2 on Fedora Core 4. I have installed c-client for courier & compiled with the following options. How to fix the php optimizer/byte cache problems? Can anybody suggest me a way to fix the byte cache issue? Thanks Gajen ./configure \ --with-apxs2=/usr/local/apache2/bin/apxs \ --with-mysql-sock=/tmp/mysql.sock \ --with-mysql=/usr/local/mysql \ --with-zlib \ --with-zlib-dir \ --with-curl \ --enable-track-vars \ --with-config-file-path=/usr/local/apache2/conf \ --enable-traans-id \ --enable-mbstring=all \ --enable-sockets \ --with-gettext \ --with-dom \ --with-imap=/usr/local/php-imap \ --with-imap-ssl \ --with-openssl \ --with-mcrypt=/usr/local/src/libmcrypt-2.5.7/lib \ --with-iconv \ --enable-mbregex \ --with-gd \ --with-jpeg-dir=/usr/local/lib \ --with-png-dir=/usr/local/lib \ --with-mime-magic=/usr/share/file/magic.mime This e-mail may contain confidential and/or privileged information. If you are not the intended recipient or have received this e-mail in error, please notify the sender immediately and destroy this e-mail. Any unauthorised copying, disclosure or distribution of the material in this e-mail is strictly forbidden.