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

Calculating dependencies ...

!!! Problem resolving dependencies for =dev-util/bcc-0.34.0-r1
 done!
Dependency resolution took 0.83 s (backtrack: 0/20).


!!! The ebuild selected to satisfy "=dev-util/bcc-0.34.0-r1" has unmet requirements.
- dev-util/bcc-0.34.0-r1::gentoo USE="python -lua -lzma -static-libs -test" LLVM_SLOT="20 -17 -18 -19" LUA_SINGLE_TARGET="luajit" PYTHON_TARGETS="-python3_12 -python3_13"

  The following REQUIRED_USE flag constraints are unsatisfied:
    any-of ( python_targets_python3_12 python_targets_python3_13 )

  The above constraints are a subset of the following complete expression:
    any-of ( python_targets_python3_12 python_targets_python3_13 ) lua? ( python exactly-one-of ( lua_single_target_luajit ) ) exactly-one-of ( llvm_slot_17 llvm_slot_18 llvm_slot_19 llvm_slot_20 )