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

Calculating dependencies ... done!
Dependency resolution took 1.00 s (backtrack: 0/20).

[ebuild  N     ] dev-libs/libev-4.33::gentoo  USE="-static-libs" 557 KiB
[ebuild  N     ] net-misc/pingu-1.5-r1::gentoo  USE="-debug -doc" 31 KiB

Total: 2 packages (2 new), Size of downloads: 588 KiB