Install the web server to the directory identified by the prefix directive. This step may take quite some time as the installer checks for a number of items on your system.
I’m not including any other directives, but note that a standard Apache installation automatically includes a number of modules that, if you don’t want them, you need to individually exclude. Further, there are a number of modules that are disabled by default that have to be specifically included if you need the feature. A complete list of what is included and excluded is listed in