portage-ng --merge
>>> Emerging : portage://sci-mathematics/pspp-1.6.2-r3:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://sci-libs/gsl-2.7.1-r3
│ └─ file ─┤ 11.79 Kb gsl-2.7-cblas.patch.bz2
│ │ 7.16 Mb gsl-2.7.1.tar.gz
│ download portage://sci-mathematics/pspp-1.6.2-r3
│ └─ file ─┤ 8.82 Mb pspp-1.6.2.tar.gz
└─step 2─┤ install portage://sci-libs/gsl-2.7.1-r3
│ └─ conf ─┤ USE = "deprecated -cblas-external -static-libs"
│ │ SLOT = "0/27"
└─step 3─┤ run portage://sci-libs/gsl-2.7.1-r3
└─step 4─┤ install portage://sci-mathematics/pspp-1.6.2-r3
│ └─ conf ─┤ USE = "ncurses nls -doc -examples -gtk -perl -postgres"
│ │ SLOT = "0/1.6.2"
└─step 5─┤ run portage://sci-mathematics/pspp-1.6.2-r3
Total: 6 actions (2 downloads, 2 installs, 2 runs), grouped into 5 steps.
15.99 Mb to be downloaded.