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

Calculating dependencies ... done!
Dependency resolution took 1.08 s (backtrack: 0/20).

[ebuild  N     ] dev-cpp/abseil-cpp-20260107.1:0/2601.1.0-cpp20::gentoo  USE="-debug -test -test-helpers" 2251 KiB
[ebuild  N     ] dev-libs/protobuf-34.2:0/34.2.0::gentoo  USE="libprotoc (libupb) protobuf protoc zlib -conformance -debug -emacs -examples -test" 6872 KiB
[ebuild  N     ] dev-libs/protobuf-c-1.5.2:0/1.0.0::gentoo  USE="-static-libs" 520 KiB
[ebuild  N     ] net-libs/libgadu-1.12.2-r1::gentoo  USE="ssl threads -doc -test" 292 KiB

Total: 4 packages (4 new), Size of downloads: 9935 KiB