portage-ng --merge
>>> Emerging : portage://virtual/perl-DB_File-1.859.0-r1:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ useflag portage://dev-lang/perl-5.42.2 (berkdb)
└─step 2─┤ download portage://dev-lang/perl-5.42.2
│ └─ file ─┤ 16.71 Kb perl-5.42.0-patches-1.tar.xz
│ │ 13.81 Mb perl-5.42.2.tar.xz
│ │ 116.70 Kb perl-cross-1.6.4.tar.gz
│ download portage://sys-libs/db-6.0.35-r5
│ └─ file ─┤ 34.84 Mb db-6.0.35.tar.gz
└─step 3─┤ install portage://sys-libs/db-6.0.35-r5
│ └─ conf ─┤ USE = "-cxx -doc -examples -tcl -test"
│ │ SLOT = "6.0"
└─step 4─┤ run portage://sys-libs/db-6.0.35-r5
└─step 5─┤ update portage://dev-lang/perl-5.42.2 (USE modified)
│ └─ conf ─┤ USE = "gdbm* berkdb -doc -minimal"
│ │ PERL_FEATURES = "ithreads -quadmath"
│ │ SLOT = "0/5.42"
└─step 6─┤ install portage://virtual/perl-DB_File-1.859.0-r1
└─step 7─┤ run portage://virtual/perl-DB_File-1.859.0-r1
Total: 8 actions (1 useflag, 2 downloads, 2 installs, 1 update, 2 runs), grouped into 7 steps.
48.78 Mb to be downloaded.
>>> Assumptions taken during proving & planning:
USE flag change (1 package):
Add to /etc/portage/package.use:
dev-lang/perl berkdb