>>> Emerging : portage://media-libs/vigra-1.11.2_p20240505:run?{[]}

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

Calculating dependencies... done!

 └─step  1─┤ useflag portage://sci-libs/hdf5-2.2.0 (-hl)

 └─step  2─┤ download  portage://dev-lang/python-3.12.15
             │           └─ file ─┤ 19.86 Mb  	 Python-3.12.15.tar.xz
             │                    │ 13.95 Kb  	 python-gentoo-patches-3.12.15.tar.xz
             │ download  portage://media-libs/vigra-1.11.2_p20240505
             │           └─ file ─┤ 32.63 Mb  	 vigra-1.11.2_p20240505.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

Total: 5 actions (1 useflag, 4 downloads), grouped into 2 steps.
       96.64 Mb to be downloaded.


>>> Assumptions taken during proving & planning:

  USE flag change (1 package):
  Add to /etc/portage/package.use:
    sci-libs/hdf5 -hl