These are the packages that would be merged, in order:

Calculating dependencies ... done!
Dependency resolution took 1.03 s (backtrack: 0/20).

[ebuild  N     ] acct-group/uptimed-0-r3::gentoo  0 KiB
[ebuild  N     ] acct-user/uptimed-0-r3::gentoo  0 KiB
[ebuild  N     ] app-misc/uptimed-0.4.7::gentoo  USE="(-selinux)" 56 KiB

Total: 3 packages (3 new), Size of downloads: 56 KiB