Horde presently depends on apache. It sould depend on one of any of the web- browsers offered in portage. Reproducible: Always Steps to Reproduce: 1. 2. 3.
fcgi should also be a replacemnt for a webserver, as it can be ran on a seperate system.
horde does not depend on apache horde depends on mod_php ... that can prob be changed to virtual/php
changed to virtual/php