>>> Emerging : portage://dev-libs/libsecp256k1-0.5.1:run?{[]}

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

Calculating dependencies... done!

 └─step  1─┤ useflag portage://dev-libs/libsecp256k1-0.5.1 (amd64)

 └─step  2─┤ download  portage://dev-libs/libsecp256k1-0.5.1
             │           └─ file ─┤ 1.87 Mb  	 libsecp256k1-0.5.1.tar.gz

Total: 2 actions (1 useflag, 1 download), grouped into 2 steps.
       1.87 Mb to be downloaded.


>>> Assumptions taken during proving & planning:

  USE flag change (1 package):
  Add to /etc/portage/package.use:
    dev-libs/libsecp256k1 amd64