portage-ng --merge
>>> Emerging : portage://sys-apps/duc-1.4.5:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ useflag portage://sys-apps/duc-1.4.5 (gui sqlite)
└─step 2─┤ download portage://dev-db/tokyocabinet-1.4.48-r3
│ └─ file ─┤ 977.04 Kb tokyocabinet-1.4.48.tar.gz
│ download portage://sys-apps/duc-1.4.5
│ └─ file ─┤ 281.62 Kb duc-1.4.5.tar.gz
└─step 3─┤ install portage://dev-db/tokyocabinet-1.4.48-r3
│ └─ conf ─┤ USE = "bzip2 threads* zlib -debug -doc -examples"
└─step 4─┤ run portage://dev-db/tokyocabinet-1.4.48-r3
└─step 5─┤ install portage://sys-apps/duc-1.4.5 (USE modified)
│ └─ conf ─┤ USE = "X* cairo* ncurses sqlite tokyocabinet gui -leveldb"
└─step 6─┤ run portage://sys-apps/duc-1.4.5
Total: 7 actions (1 useflag, 2 downloads, 2 installs, 2 runs), grouped into 6 steps.
1.23 Mb to be downloaded.
>>> Assumptions taken during proving & planning:
USE flag change (1 package):
Add to /etc/portage/package.use:
sys-apps/duc gui sqlite