# emerge -a gtk-doc
These are the packages that would be merged, in order:
Calculating dependencies -
!!! Problem resolving dependencies for dev-util/gtk-doc ... done!
!!! The ebuild selected to satisfy "gtk-doc" has unmet requirements.
- dev-util/gtk-doc-1.25-r1::gnome-kit USE="-debug -doc -emacs -highlight -vim" PYTHON_SINGLE_TARGET="python2_7 python3_6 -python3_4 -python3_5 -python3_7" PYTHON_TARGETS="python2_7 python3_6 -python3_4 -python3_5 -python3_7" The following REQUIRED_USE flag constraints are unsatisfied:
exactly-one-of ( python_single_target_python2_7 python_single_target_python3_7 python_single_target_python3_4 python_single_target_python3_5 python_single_target_python3_6 ) The above constraints are a subset of the following complete expression:
exactly-one-of ( python_single_target_python2_7 python_single_target_python3_7 python_single_target_python3_4 python_single_target_python3_5 python_single_target_python3_6 ) python_single_target_python2_7? ( python_targets_python2_7 ) python_single_target_python3_7? ( python_targets_python3_7 ) python_single_target_python3_4? ( python_targets_python3_4 ) python_single_target_python3_5? ( python_targets_python3_5 ) python_single_target_python3_6? ( python_targets_python3_6 )