portage-ng --merge
>>> Emerging : portage://dev-libs/jerasure-2.0.0_p20170410:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://dev-libs/gf-complete-2.0.0_p20170410
│ └─ file ─┤ 334.60 Kb gf-complete-2.0.0_p20170410.tar.gz
│ download portage://dev-libs/jerasure-2.0.0_p20170410
│ └─ file ─┤ 494.64 Kb jerasure-2.0.0_p20170410.tar.gz
└─step 2─┤ install portage://dev-libs/gf-complete-2.0.0_p20170410
└─step 3─┤ run portage://dev-libs/gf-complete-2.0.0_p20170410
└─step 4─┤ install portage://dev-libs/jerasure-2.0.0_p20170410
│ └─ conf ─┤ USE = "-test"
└─step 5─┤ run portage://dev-libs/jerasure-2.0.0_p20170410
Total: 6 actions (2 downloads, 2 installs, 2 runs), grouped into 5 steps.
829.24 Kb to be downloaded.