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

Calculating dependencies ... done!
Dependency resolution took 1.04 s (backtrack: 0/20).

[ebuild  N     ] sci-libs/libdap-3.20.9-r1::gentoo  USE="-static-libs -test" 2773 KiB

Total: 1 package (1 new), Size of downloads: 2773 KiB