>>> Emerging : portage://dev-libs/leveldb-1.23-r6:run?{[]}

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

Calculating dependencies... done!

 └─step  1─┤ download  portage://app-arch/snappy-1.2.2-r1
             │           └─ file ─┤ 1.06 Mb  	 snappy-1.2.2.tar.gz
             │ download  portage://dev-libs/crc32c-1.1.2-r2
             │           └─ file ─┤ 29.12 Kb  	 crc32c-1.1.2.tar.gz
             │ download  portage://dev-libs/leveldb-1.23-r6
             │           └─ file ─┤ 237.23 Kb  	 leveldb-1.23.tar.gz

 └─step  2─┤ install   portage://app-arch/snappy-1.2.2-r1
             │           └─ conf ─┤ USE = "-test"
             │                    │ CPU_FLAGS_X86 = "avx avx2"
             │                    │ SLOT = "0/1.1"
             │ install   portage://dev-libs/crc32c-1.1.2-r2
             │           └─ conf ─┤ USE = "-test"

 └─step  3─┤ run       portage://app-arch/snappy-1.2.2-r1
             │ run       portage://dev-libs/crc32c-1.1.2-r2

 └─step  4─┤ install   portage://dev-libs/leveldb-1.23-r6
             │           └─ conf ─┤ USE = "snappy tcmalloc -test"
             │                    │ SLOT = "0/1"

 └─step  5─┤ run     portage://dev-libs/leveldb-1.23-r6

Total: 9 actions (3 downloads, 3 installs, 3 runs), grouped into 5 steps.
       1.32 Mb to be downloaded.