portage-ng --fetchonly
>>> Emerging : portage://dev-util/librnp-0.18.1:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ useflag portage://dev-libs/botan-3.13.0 (tools)
└─step 2─┤ download portage://dev-libs/botan-3.13.0
│ └─ file ─┤ 9.15 Mb Botan-3.13.0.tar.xz
│ download portage://dev-libs/sexpp-0.9.2
│ └─ file ─┤ 70.17 Kb sexpp-0.9.2.tar.gz
│ download portage://dev-util/librnp-0.18.1
│ └─ file ─┤ 4.10 Mb librnp-0.18.1.tar.gz
Total: 4 actions (1 useflag, 3 downloads), grouped into 2 steps.
13.32 Mb to be downloaded.
>>> Assumptions taken during proving & planning:
USE flag change (1 package):
Add to /etc/portage/package.use:
dev-libs/botan tools