portage-ng --merge
>>> Emerging : portage://net-libs/paho-mqtt-c-1.3.15:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://net-libs/paho-mqtt-c-1.3.15
│ └─ file ─┤ 1.11 Mb paho-mqtt-c-1.3.15.tar.gz
│ │ 176.56 Kb paho.mqtt.testing-9d7bb80bb8b9d9cfc0b52f8cb4c1916401281103.tar.gz
└─step 2─┤ install portage://net-libs/paho-mqtt-c-1.3.15
│ └─ conf ─┤ USE = "ssl high-performance -doc -examples -test"
│ │ SLOT = "1.3"
└─step 3─┤ run portage://net-libs/paho-mqtt-c-1.3.15
Total: 3 actions (1 download, 1 install, 1 run), grouped into 3 steps.
1.28 Mb to be downloaded.