php5-pdo_mysql-5.3.3.20100722-alt1 $ sudo aptitude install php5 php5-pdo_mysql ... The following NEW packages will be installed: libmm php-base php5 php5-libs php5-pdo_mysql php5-suhosin $ php --version PHP Warning: PHP Startup: Unable to load dynamic library '/usr/lib/php/5.3.3/extensions/pdo_mysql.so' - /usr/lib/php/5.3.3/extensions/pdo_mysql.so: undefined symbol: php_pdo_register_driver in Unknown on line 0 PHP Warning: PHP Startup: Unable to load dynamic library '/usr/lib/php/5.3.3/extensions/suhosin.so' - /usr/lib/php/5.3.3/extensions/suhosin.so: undefined symbol: crypt in Unknown on line 0 PHP Warning: Cannot open '@PHP_BROWSCAP@' for reading in Unknown on line 0 PHP 5.3.3 with Suhosin-Patch (cli) (built: Sep 17 2010 12:40:18) Copyright (c) 1997-2009 The PHP Group Zend Engine v2.3.0, Copyright (c) 1998-2010 Zend Technologies pdo_mysql.so требует символы, экспортируемые из pdo.so, однако зависимостей между пакетами нет. Аналогичная проблема и в других пакетах php5-pdo_*.
это проблема в лишнем provides в пакете php5-libs
php5-5.3.3.20100722-alt2 -> sisyphus: * Mon Sep 27 2010 Anton Farygin <rider@altlinux> 5.3.3.20100722-alt2 - removed php5-pdo provides (closes: #24139) - removed browsecap section from cli config (closes: #24141) - fixed phpinfo (by Sergey Kurakin) - disabled fileinfo (should be used as extension, Sergey Kurakin)