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

Calculating dependencies ... done!
Dependency resolution took 0.96 s (backtrack: 0/20).

[ebuild  N     ] sys-auth/pam_mktemp-1.1.1::gentoo  USE="prevent-removal (-selinux)" 7 KiB

Total: 1 package (1 new), Size of downloads: 7 KiB