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

Calculating dependencies ...

!!! Problem resolving dependencies for =dev-lang/souffle-2.5-r1
 done!
Dependency resolution took 0.82 s (backtrack: 0/20).


!!! The ebuild selected to satisfy "=dev-lang/souffle-2.5-r1" has unmet requirements.
- dev-lang/souffle-2.5-r1::gentoo USE="ffi ncurses openmp python sqlite zlib -java -swig -test" PYTHON_SINGLE_TARGET="python3_14 -python3_12 -python3_13"

  The following REQUIRED_USE flag constraints are unsatisfied:
    python? ( swig )

  The above constraints are a subset of the following complete expression:
    java? ( swig ) python? ( swig ) test? ( exactly-one-of ( python_single_target_python3_12 python_single_target_python3_13 python_single_target_python3_14 ) )