>>> Emerging : portage://sci-physics/fastjet-3.4.3:run?{[]}

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

Calculating dependencies... done!

 └─step  1─┤ useflag portage://sci-physics/fastjet-3.4.3 (python_single_target_python3_13)

 └─step  2─┤ download  portage://sci-physics/fastjet-3.4.3
             │           └─ file ─┤ 2.85 Mb  	 fastjet-3.4.3.tar.gz
             │ download  portage://sci-physics/siscone-3.1.2-r1
             │           └─ file ─┤ 569.43 Kb  	 siscone-3.1.2.tar.gz

 └─step  3─┤ install   portage://sci-physics/siscone-3.1.2-r1
             │           └─ conf ─┤ USE = "-examples"
             │ install   portage://virtual/fortran-0-r1
             │           └─ conf ─┤ USE = "openmp"

 └─step  4─┤ run       portage://sci-physics/siscone-3.1.2-r1
             │ run       portage://virtual/fortran-0-r1

 └─step  5─┤ install   portage://sci-physics/fastjet-3.4.3 (USE modified)
             │           └─ conf ─┤ USE = "python* plugins -cgal -doc -examples"
             │                    │ PYTHON_SINGLE_TARGET = "-python3_12 python3_13"

 └─step  6─┤ run     portage://sci-physics/fastjet-3.4.3

Total: 9 actions (1 useflag, 2 downloads, 3 installs, 3 runs), grouped into 6 steps.
       3.40 Mb to be downloaded.


>>> Assumptions taken during proving & planning:

  USE flag change (1 package):
  Add to /etc/portage/package.use:
    sci-physics/fastjet python_single_target_python3_13