dev-ruby/ruby-fcgi-0.8.7 works with minor adjustments and can be added to the tree. dev-libs/fcgi-2.4.0-r2 works and can be keyworded.
Created attachment 126636 [details, diff] patch against ruby-fcgi-0.8.7 patch against the eapify'd and ecleankw'd ebuild from the main tree
done, thanks, etc etc etc.