New package from one source

[Pavel Alexeev (aka Pahan-Hubbitus)]

Recently future request for itk apache mpm was declined [1] by 
maintainer of apache (Joe Orton (jorton at redhat.com)). Please see bug for 
details.

As was mentioned in there discussion I want package it and push to 
Fedora (it is open source and maintained). So, main question - is it 
normal situation have second package (I intend call it like apache-itk) 
with one source, which used in other rpm (apache) in repository? Is 
really there any legal issues or etc.?
I think is most correct way is to so-maintain it in main apache package, 
but this suggestion also was declined. So, what is correct way to 
package and push to Fedora additional apache MPM?

[1] https://bugzilla.redhat.com/show_bug.cgi?id=479575