>>> Emerging : portage://sci-libs/hdf5-1.14.6-r2:run?{[]}

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

Calculating dependencies... done!

 └─step  1─┤ useflag portage://sci-libs/hdf5-1.14.6-r2 (-hl)

 └─step  2─┤ download  portage://sci-libs/hdf5-1.14.6-r2
             │           └─ file ─┤ 37.47 Mb  	 hdf5-1.14.6.tar.gz

 └─step  3─┤ install   portage://sci-libs/hdf5-1.14.6-r2 (USE modified)
             │           └─ conf ─┤ USE = "threads* zlib -hl -cxx -debug -fortran -mpi -szip -test -unsupported"
             │                    │ SLOT = "0/310-cmake"

 └─step  4─┤ run     portage://sci-libs/hdf5-1.14.6-r2

Total: 4 actions (1 useflag, 1 download, 1 install, 1 run), grouped into 4 steps.
       37.47 Mb to be downloaded.


>>> Assumptions taken during proving & planning:

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