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

Calculating dependencies ... done!
Dependency resolution took 0.99 s (backtrack: 0/20).

[ebuild  N     ] dev-build/autoconf-vanilla-2.72-r2:2.72::gentoo  USE="-verify-sig" 1358 KiB

Total: 1 package (1 new), Size of downloads: 1358 KiB