I have a problem with the settings for python.
I want to use libreoffice, digikam and util-linux, all want to have python.
Without any settings in make.conf, lensfun does not like me. but libroffice and util-linux are fine
!!! The ebuild selected to satisfy "media-libs/lensfun" has unmet requirements.
- media-libs/lensfun-0.3.2::gentoo USE="-doc -test" CPU_FLAGS_X86="sse sse2" PYTHON_SINGLE_TARGET="python3_3 python3_4 -python3_5" PYTHON_TARGETS="python3_3 -python3_4 -python3_5"
The following REQUIRED_USE flag constraints are unsatisfied:
exactly-one-of ( python_single_target_
