Problems with php install and apache2 start

Hi, Wanted to use: Postgresql-9.0rc1, httpd-2.2.16 & php-5.3.3 on ubuntu 9.04 -Installed Postgresql-9.0rc1: Succeeded -Installed httpd-2.2.16: Succeed (./configure --with-so) -Installed php-5.3.3: Succeeded(./configure --with-apxs2=path to apxs --with-pgsql --with-pdo-pgsql) Checked: httpd.conf for LoadModule php5_module modules/libphp5.so (Its present) Then to start apache2: /usr/local/apache2/bin/apachectl -k start Message given: httpd: Syntax error on line 53 of /usr/local/apache2/conf/httpd.conf: Cannot \ load /usr/local/apache2/modules/libphp5.so into \ server: /usr/local/apache2/modules/libphp5.so: undefined symbol: \ __res_nsearch Where am I wrong? How to proceed? Help is highly appreciated. Thanks in advance. aikhan