I have just updated Apache and installed MySQL 5.0.18 and PHP 5.1.2 through the Apache Update script in cPanel. This has built PDO in with the sqlite2, sqlite drivers but it doesn't have the pdo_mysql driver. I have tried running pecl install pdo_mysql but I get this error Code: Configuring for: PHP Api Version: 20041225 Zend Module Api No: 20050922 Zend Extension Api No: 220051025 /usr/local/bin/phpize: /tmp/tmp7Devhw/PDO_MYSQL-1.0.2/build/shtool: /bin/sh: bad interpreter: Permission denied Cannot find autoconf. Please check your autoconf installation and the $PHP_AUTOCONF environment variable is set correctly and then rerun this script. ERROR: `phpize' failed So I tried a manual install using phpize but I get this error: Code: checking for PDO includes... checking for PDO includes... /usr/local/include/php/ext configure: error: You've configured extension pdo_mysql, which depends on extension pd So I'm not sure what to do now. Anyone got any suggestions?