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

Calculating dependencies ... done!
Dependency resolution took 0.96 s (backtrack: 0/20).

[ebuild  N     ] dev-libs/ossp-uuid-1.6.2-r8::gentoo  USE="cxx -perl -static-libs" PERL_FEATURES="ithreads (-debug) -quadmath" 388 KiB

Total: 1 package (1 new), Size of downloads: 388 KiB