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

Calculating dependencies ... done!
Dependency resolution took 0.97 s (backtrack: 0/20).

[ebuild  N     ] dev-libs/log4cplus-2.1.2-r1:0/9::gentoo  USE="iconv threads -explicit-initialization -qt6 -server -test" 939 KiB

Total: 1 package (1 new), Size of downloads: 939 KiB