portage-ng --merge
>>> Emerging : portage://net-analyzer/tracebox-0.4.4-r100:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ useflag portage://net-analyzer/tracebox-0.4.4-r100 (lua_single_target_lua5-4)
└─step 2─┤ download portage://net-analyzer/tracebox-0.4.4-r100
│ └─ file ─┤ 75.03 Kb tracebox-0.4.4.tar.gz
│ download portage://net-libs/libcrafter-1.0-r1
│ └─ file ─┤ 113.78 Kb libcrafter-1.0.tar.gz
└─step 3─┤ install portage://net-libs/libcrafter-1.0-r1
└─step 4─┤ run portage://net-libs/libcrafter-1.0-r1
└─step 5─┤ install portage://net-analyzer/tracebox-0.4.4-r100 (USE modified)
│ └─ conf ─┤ USE = "-curl -sniffer"
│ │ LUA_SINGLE_TARGET = "-lua5-3 lua5-4"
└─step 6─┤ run portage://net-analyzer/tracebox-0.4.4-r100
Total: 7 actions (1 useflag, 2 downloads, 2 installs, 2 runs), grouped into 6 steps.
188.81 Kb to be downloaded.
>>> Assumptions taken during proving & planning:
USE flag change (1 package):
Add to /etc/portage/package.use:
net-analyzer/tracebox lua_single_target_lua5-4