portage-ng --merge
>>> Emerging : portage://sci-libs/libxc-5.1.7:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://sci-libs/libxc-5.1.7
│ └─ file ─┤ 44.03 Mb libxc-5.1.7.tar.gz
└─step 2─┤ install portage://virtual/fortran-0-r1
│ └─ conf ─┤ USE = "openmp"
└─step 3─┤ run portage://virtual/fortran-0-r1
└─step 4─┤ install portage://sci-libs/libxc-5.1.7
│ └─ conf ─┤ USE = "-fortran -test"
└─step 5─┤ run portage://sci-libs/libxc-5.1.7
Total: 5 actions (1 download, 2 installs, 2 runs), grouped into 5 steps.
44.03 Mb to be downloaded.