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

Calculating dependencies ...

!!! Problem resolving dependencies for =net-libs/xrootd-5.8.2
 done!
Dependency resolution took 0.82 s (backtrack: 0/20).


!!! The ebuild selected to satisfy "=net-libs/xrootd-5.8.2" has unmet requirements.
- net-libs/xrootd-5.8.2::gentoo USE="http libxml2 python readline server -ceph -debug -doc -examples -fuse -kerberos -macaroons -scitokens (-systemd) -test -xrdec" PYTHON_TARGETS="-python3_12 -python3_13"

  The following REQUIRED_USE flag constraints are unsatisfied:
    http? ( kerberos ) python? ( any-of ( python_targets_python3_12 python_targets_python3_13 ) )

  The above constraints are a subset of the following complete expression:
    http? ( kerberos ) macaroons? ( server http ) python? ( any-of ( python_targets_python3_12 python_targets_python3_13 ) ) scitokens? ( server )