These are the packages that would be merged, in order:

Calculating dependencies ...

!!! Problem resolving dependencies for =dev-libs/librelp-1.11.0
 done!
Dependency resolution took 0.82 s (backtrack: 0/20).


!!! The ebuild selected to satisfy "=dev-libs/librelp-1.11.0" has unmet requirements.
- dev-libs/librelp-1.11.0::gentoo USE="gnutls openssl ssl -debug -doc -static-libs -test"

  The following REQUIRED_USE flag constraints are unsatisfied:
    ssl? ( exactly-one-of ( gnutls openssl ) )