>>> Emerging : portage://media-libs/vigra-1.12.1:run?{[]}

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

Calculating dependencies... done!

 └─step  1─┤ useflag portage://media-libs/vigra-1.12.1 (python_single_target_python3_13)
             │ useflag portage://sci-libs/hdf5-2.2.0 (-hl)

 └─step  2─┤ download  portage://media-libs/vigra-1.12.1
             │           └─ file ─┤ 32.63 Mb  	 vigra-1.12.1.tar.gz
             │ download  portage://sci-libs/fftw-3.3.10-r1
             │           └─ file ─┤ 3.95 Mb  	 fftw-3.3.10.tar.gz
             │ download  portage://sci-libs/hdf5-2.2.0
             │           └─ file ─┤ 40.18 Mb  	 hdf5-2.2.0.tar.gz

 └─step  3─┤ install   portage://sci-libs/fftw-3.3.10-r1
             │           └─ conf ─┤ USE = "openmp threads* (-zbus) -doc -fortran -mpi -test"
             │                    │ CPU_FLAGS_X86 = "avx avx2 fma3 sse* sse2* -fma4"
             │                    │ SLOT = "3.0/3"
             │ install   portage://sci-libs/hdf5-2.2.0 (USE modified)
             │           └─ conf ─┤ USE = "threads* zlib -hl -cxx -debug -fortran -mpi -szip -test -unsupported"
             │                    │ SLOT = "0/320-cmake"

 └─step  4─┤ run       portage://sci-libs/fftw-3.3.10-r1
             │ run       portage://sci-libs/hdf5-2.2.0 (USE modified)

 └─step  5─┤ install   portage://media-libs/vigra-1.12.1 (USE modified)
             │           └─ conf ─┤ USE = "jpeg* png* tiff* zlib fftw hdf5 -doc -mpi -openexr -test"
             │                    │ PYTHON_SINGLE_TARGET = "-python3_12 python3_13"

 └─step  6─┤ run     portage://media-libs/vigra-1.12.1

Total: 11 actions (2 useflags, 3 downloads, 3 installs, 3 runs), grouped into 6 steps.
       76.76 Mb to be downloaded.


>>> Assumptions taken during proving & planning:

  USE flag change (2 packages):
  Add to /etc/portage/package.use:
    media-libs/vigra python_single_target_python3_13
    sci-libs/hdf5 -hl