portage-ng --merge
>>> Emerging : portage://sci-visualization/gnuplot-5.4.10-r2:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://sci-visualization/gnuplot-5.4.10-r2
│ └─ file ─┤ 5.42 Mb gnuplot-5.4.10.tar.gz
└─step 2─┤ install portage://sci-visualization/gnuplot-5.4.10-r2
│ └─ conf ─┤ USE = "X* cairo* readline gd -lua* -bitmap -doc -examples -ggi -latex -libcaca -libcerf -regis -wxwidgets"
│ │ LUA_SINGLE_TARGET = "lua5-1 -lua5-3 -lua5-4"
└─step 3─┤ run portage://sci-visualization/gnuplot-5.4.10-r2
Total: 3 actions (1 download, 1 install, 1 run), grouped into 3 steps.
5.42 Mb to be downloaded.