portage-ng --merge
>>> Emerging : portage://dev-lua/lua-bit32-5.3.5.1-r1:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://dev-lang/lua-5.1.5-r200
│ └─ file ─┤ 388.10 Kb lua-5.1.5.tar.xz
│ download portage://dev-lua/lua-bit32-5.3.5.1-r1
│ └─ file ─┤ 52.44 Kb lua-compat53-0.10.tar.gz
└─step 2─┤ install portage://dev-lang/lua-5.1.5-r200
│ └─ conf ─┤ USE = "readline deprecated"
│ │ SLOT = "5.1"
└─step 3─┤ run portage://dev-lang/lua-5.1.5-r200
└─step 4─┤ install portage://dev-lua/lua-bit32-5.3.5.1-r1
│ └─ conf ─┤ USE = "-test"
│ │ LUA_TARGETS = "lua5-1 -luajit"
└─step 5─┤ run portage://dev-lua/lua-bit32-5.3.5.1-r1
Total: 6 actions (2 downloads, 2 installs, 2 runs), grouped into 5 steps.
440.54 Kb to be downloaded.