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

Calculating dependencies ... done!
Dependency resolution took 0.98 s (backtrack: 0/20).

[ebuild  N     ] dev-build/bmake-20260912::gentoo  USE="-test" LUA_SINGLE_TARGET="lua5-1 -lua5-3 -lua5-4 -luajit" 990 KiB
[ebuild  N     ] x11-misc/makedepend-1.0.10::gentoo  148 KiB
[ebuild  N     ] dev-util/mk-configure-0.38.3::gentoo  355 KiB

Total: 3 packages (3 new), Size of downloads: 1492 KiB