perl -MCPAN -e 'install Bundle::Apache'
ExtUtils::Embed - Needed to build httpd
LWP::UserAgent - Web client to run mod_perl tests
HTML::TreeBuilder - Used for Apache::SSI
Devel::Symdump - Symbol table browsing with Apache::Status
HTTPD::UserAdmin - Apache::Authen stuff
CGI - CGI.pm
Apache::ePerl - Mark Imbriaco's mod_perl adaptation of 'ePerl'
Asking CPAN.pm to install a bundle means to install the bundle itself along with all the modules contained in the CONTENTS section above. Modules that are up to date are not installed, of course.