pmerge --pretend --verbose
[ebuild N ] dev-lang/yasm-1.3.0-r2::gentoo USE="nls" 1.4 MiB
[ebuild N ] media-libs/libvpx-1.16.0:0/12::gentoo USE="highbitdepth -doc -postproc -static-libs -test" 5.4 MiB
[ebuild N ] media-libs/opus-1.6.1::gentoo USE="-custom-modes -debug -deep-plc -doc -dred -hardened -osce -static-libs -test" CPU_FLAGS_X86="sse" 10.0 MiB
[ebuild N ] net-libs/tox-0.2.22:0/0.2::gentoo USE="av ipv6 log-error -daemon -debug -dht-node -experimental -key-utils -log-debug -log-info -log-trace -log-warn -test" 976.5 KiB
Total: 4 packages (4 new), Size of downloads: 17.7 MiB
* Running sanity checks...
* resolver plan required 21 ops (0.02 seconds)
- Wall time
- 0.446 s vs. 0.032 s for portage-ng