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

Calculating dependencies ... done!
Dependency resolution took 0.83 s (backtrack: 0/20).


!!! The ebuild selected to satisfy "sys-libs/ldb:0/2.9.2" has unmet requirements.
- sys-libs/ldb-2.9.2::gentoo USE="lmdb python -doc -ldap -test" PYTHON_SINGLE_TARGET="-python3_12 -python3_13"

  The following REQUIRED_USE flag constraints are unsatisfied:
    exactly-one-of ( python_single_target_python3_12 python_single_target_python3_13 )

  The above constraints are a subset of the following complete expression:
    exactly-one-of ( python_single_target_python3_12 python_single_target_python3_13 ) test? ( lmdb )

(dependency required by "virtual/ldb-2.9.2::gentoo" [ebuild])
(dependency required by "=virtual/ldb-2.9.2" [argument])