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

Calculating dependencies ... done!
Dependency resolution took 1.04 s (backtrack: 0/20).

[ebuild  N     ] app-text/rman-3.2-r2::gentoo  78 KiB
[ebuild  N     ] acct-group/gamestat-0-r3::gentoo  0 KiB
[ebuild  N     ] x11-misc/gccmakedep-1.0.5::gentoo  107 KiB
[ebuild  N     ] x11-misc/xorg-cf-files-1.0.9::gentoo  171 KiB
[ebuild  N     ] x11-misc/imake-1.0.10::gentoo  152 KiB
[ebuild  N     ] games-arcade/xboing-2.4-r4::gentoo  583 KiB

Total: 6 packages (6 new), Size of downloads: 1089 KiB