You'll have to download and compile several packages. This document will explain the compilation process, but you should be fimiliar with installing from source code.
You will need a machine running Solaris / Linux and GCC Compiler. GNU gnzip and GNU tar is also needed.
Apache is the HTTP server, it will be used to run the Web Application Server. Please download the Apache 2.0.46 source code from http://www.apache.org/dist/httpd/.
You will need to download the OpenSSL from http://www.openssl.org/source/ . Please download the latest version. OpenSSL installation will be used for SSL libraries for compiling mod_ssl with Apache, and for managing SSL certificates on the WebServer. Please download the OpenSSL source code gzipped file into /tmp/downloads
Download the iPlanet LDAP SDK from http://wwws.sun.com/software/download/products/3ec28dbd.html. We will use iPlanet LDAP SDK, because it includes libraries for ldaps:// (LDAP over SSL)
mod_auth_ldap will be used for compiling LDAP support into Apache. Please download mod_auth_ldap from http://www.muquit.com/muquit/software/mod_auth_ldap/mod_auth_ldap_apache2.html
Download the appropriate mySQL build for your platform from http://www.mysql.com/downloads/index.html
Download the PHP source code from http://www.php.net/downloads.php