&reftitle.install; Use --with-pdo-mysql[=DIR] to install the PDO MySQL extension, where the optional [=DIR] is the MySQL base install directory. If mysqlnd is passed as [=DIR], then the MySQL native driver will be used. Optionally, the --with-mysql-sock[=DIR] sets to location to the MySQL unix socket pointer for all MySQL extensions, including PDO_MYSQL. If unspecified, the default locations are searched. Optionally, the --with-zlib-dir[=DIR] is used to set the path to the libz install prefix.