portage-ng --merge
>>> Emerging : portage://sci-libs/metis-5.2.1-r2:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://sci-libs/gklib-5.1.1_p20230327-r1
│ └─ file ─┤ 181.90 Kb gklib-5.1.1_p20230327.tar.gz
│ download portage://sci-libs/metis-5.2.1-r2
│ └─ file ─┤ 4.61 Mb metis-5.2.1.tar.gz
└─step 2─┤ install portage://sci-libs/gklib-5.1.1_p20230327-r1
└─step 3─┤ run portage://sci-libs/gklib-5.1.1_p20230327-r1
└─step 4─┤ install portage://sci-libs/metis-5.2.1-r2
│ └─ conf ─┤ USE = "openmp -double-precision -examples -int64"
└─step 5─┤ run portage://sci-libs/metis-5.2.1-r2
Total: 6 actions (2 downloads, 2 installs, 2 runs), grouped into 5 steps.
4.79 Mb to be downloaded.