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

Calculating dependencies ... done!
Dependency resolution took 1.02 s (backtrack: 0/20).

[ebuild  N     ] dev-build/kbuild-0.1.9998.3660-r1::gentoo  5170 KiB

Total: 1 package (1 new), Size of downloads: 5170 KiB