trollboy@ubuntu:/$ sudo pecl install pdo_mysql
downloading PDO_MYSQL-1.0.2.tgz ...
Starting to download PDO_MYSQL-1.0.2.tgz (14,778 bytes)
.....done: 14,778 bytes
7 source files, building
running: phpize
Configuring for:
PHP Api Version:         20041225
Zend Module Api No:      20050922
Zend Extension Api No:   220051025
building in /var/tmp/pear-build-root/PDO_MYSQL-1.0.2
running: /tmp/tmpJRMJ9l/PDO_MYSQL-1.0.2/configure
checking for egrep... grep -E
checking for a sed that does not truncate output... /bin/sed
checking for gcc... gcc
checking for C compiler default output file name... a.out
checking whether the C compiler works... yes
checking whether we are cross compiling... no
checking for suffix of executables...
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether gcc accepts -g... yes
checking for gcc option to accept ANSI C... none needed
checking whether gcc and cc understand -c and -o together... yes
checking if compiler supports -R... no
checking if compiler supports -Wl,-rpath,... yes
checking build system type... i686-pc-linux-gnu
checking host system type... i686-pc-linux-gnu
checking target system type... i686-pc-linux-gnu
checking for PHP prefix... /usr
checking for PHP includes... -I/usr/include/php5 -I/usr/include/php5/main -I/usr/include/php5/TSRM -I/usr/include/php5/Zend -I/usr/include/php5/ext
checking for PHP extension directory... /usr/lib/php5/20051025
checking for PHP installed headers prefix... /usr/include/php5
checking for re2c... no
configure: WARNING: You will need re2c 0.9.11 or later if you want to regenerate PHP parsers.
checking for gawk... no
checking for nawk... nawk
checking if nawk is broken... no
checking for MySQL support for PDO... yes, shared
checking for mysql_config... /usr/bin/mysql_config
checking for mysql_query in -lmysqlclient... yes
checking for mysql_commit... yes
checking for mysql_stmt_prepare... yes
checking for mysql_next_result... yes
checking for mysql_sqlstate... yes
checking for PDO includes... checking for PDO includes... /usr/include/php/ext
configure: error:
You've configured extension pdo_mysql, which depends on extension pdo,
but you've either not enabled pdo, or have disabled it.

ERROR: `/tmp/tmpJRMJ9l/PDO_MYSQL-1.0.2/configure' failed
trollboy@ubuntu:/$