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

Calculating dependencies ... done!
Dependency resolution took 1.01 s (backtrack: 0/20).

[ebuild  N     ] dev-libs/apr-1.7.6-r1:1/1.7::gentoo  USE="urandom -doc -old-kernel (-selinux) -static-libs -valgrind" 879 KiB

Total: 1 package (1 new), Size of downloads: 879 KiB