portage-ng --merge
>>> Emerging : portage://sci-libs/cgnslib-4.4.0-r1:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://sci-libs/cgnslib-4.4.0-r1
│ └─ file ─┤ 1.89 Mb cgnslib-4.4.0.tar.gz
└─step 2─┤ install portage://sci-libs/cgnslib-4.4.0-r1
│ └─ conf ─┤ USE = "-base-scope -debug -examples -fortran -hdf5 -legacy -mpi -scoping -szip -test -tools"
│ │ SLOT = "0/4.4"
└─step 3─┤ run portage://sci-libs/cgnslib-4.4.0-r1
Total: 3 actions (1 download, 1 install, 1 run), grouped into 3 steps.
1.89 Mb to be downloaded.