# emerge -av blender These are the packages that would be merged, in order: Calculating dependencies * IMPORTANT: 2 news items need reading for repository 'gentoo'. * Use eselect news read to view new items. !!! Problem resolving dependencies for media-gfx/blender ... done! Dependency resolution took 0.85 s (backtrack: 0/20). !!! The ebuild selected to satisfy "blender" has unmet requirements. - media-gfx/blender-4.2.4-r2::gentoo USE="X bullet color-management cycles cycles-bin-kernels embree ffmpeg fftw fluid gmp man nanovdb nls oidn openexr openmp openpgl opensubdiv openvdb otf pdf potrace pugixml pulseaudio sdl sndfile tbb tiff vulkan wayland webp -alembic -collada (-cuda) -debug -doc -gnome (-hip) -jack -jemalloc -jpeg2k -ndof -openal -optix -osl -renderdoc -test -valgrind" ABI_X86="(64)" LLVM_SLOT="19 -18" PYTHON_SINGLE_TARGET="-python3_11 -python3_12" The following REQUIRED_USE flag constraints are unsatisfied: exactly-one-of ( python_single_target_python3_11 python_single_target_python3_12 ) The above constraints are a subset of the following complete expression: exactly-one-of ( python_single_target_python3_11 python_single_target_python3_12 ) alembic? ( openexr ) cuda? ( cycles ) cycles? ( openexr tiff tbb ) fluid? ( tbb ) gnome? ( wayland ) hip? ( cycles ) nanovdb? ( openvdb ) openvdb? ( tbb openexr ) optix? ( cuda ) osl? ( cycles pugixml ) test? ( color-management )