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

Calculating dependencies ... done!
Dependency resolution took 0.97 s (backtrack: 0/20).

[ebuild  N     ] sys-apps/ucspi-tcp-0.88-r20::gentoo  USE="ipv6 -qmail-spp (-selinux)" 89 KiB
[ebuild  N     ] sys-process/daemontools-0.76-r12::gentoo  USE="(-selinux) -static" 44 KiB
[ebuild  N     ] virtual/daemontools-0::gentoo  0 KiB
[ebuild  N     ] net-mail/relay-ctrl-3.1.1-r3::gentoo  35 KiB

Total: 4 packages (4 new), Size of downloads: 168 KiB