libphp_common430 is in conflit with php-4.3.1-11mdk

Hi all, Please, I´m trying to compile PHP with Interbase extensions so when I do rpm -ba php.spec this message shows like: erro: não consegui construir dependências: libphp_common430 está em conflito com o php-4.3.1-11mdk translating: error: can´t contruct dependencies libphp_common430 is in conflict with the php-4.3.1-11mdk Anyone knows how to solve this ? I´m using Mandrake 9.1 PHP Packages: php-ini-4.3.0-1mdk mod_php-4.3.1-1mdk php-readline-4.3.0-1mdk php-domxml-4.3.0-2mdk php-xslt-4.3.0-3mdk php-manual-en-4.3.0-2mdk libphp_common430-430-11mdk php-gd-4.3.0-2mdk php-tclink-4.3.0_3.3.1-12mdk php-cli-4.3.1-11mdk php-cgi-4.3.1-11mdk php-mysql-4.3.0-2mdk phpgroupware-0.9.14-2mdk php-xmlrpc-4.3.0-2mdk php430-devel-430-11mdk apache2-mod_php-2.0.44_4.3.1-2mdk php-rrdtool-1.0.40-2mdk php-xml-4.3.0-2mdk thanks any help gugao