>>> Emerging : portage://sys-libs/zlib-ng-2.2.5:run?{[]}

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

Calculating dependencies... done!

 └─step  1─┤ download  portage://sys-libs/zlib-ng-2.2.5
             │           └─ file ─┤ 2.31 Mb  	 zlib-ng-2.2.5.tar.gz

 └─step  2─┤ install   portage://sys-libs/zlib-ng-2.2.5
             │           └─ conf ─┤ USE = "(-compat) -test"
             │                    │ CPU_FLAGS_X86 = "avx2 avx512f pclmul sse2* sse4_2* ssse3* -avx512_vnni -vpclmulqdq"

 └─step  3─┤ run     portage://sys-libs/zlib-ng-2.2.5

Total: 3 actions (1 download, 1 install, 1 run), grouped into 3 steps.
       2.31 Mb to be downloaded.