portage-ng --merge
>>> Emerging : portage://dev-libs/json-c-0.19:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://dev-libs/json-c-0.19
│ └─ file ─┤ 451.40 Kb json-c-0.19.tar.gz
└─step 2─┤ update portage://dev-libs/json-c-0.19 (replaces pkg://dev-libs/json-c-0.18)
│ └─ conf ─┤ USE = "threads* -doc -static-libs -test"
│ │ CPU_FLAGS_X86 = "rdrand"
│ │ SLOT = "0/5.1"
└─step 3─┤ run portage://dev-libs/json-c-0.19
Total: 3 actions (1 download, 1 update, 1 run), grouped into 3 steps.
451.40 Kb to be downloaded.