>>> Emerging : portage://www-apps/ttyd-1.7.7-r1:run?{[]}

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

Calculating dependencies... done!

 └─step  1─┤ useflag portage://net-libs/libwebsockets-5.0.0-r1 (libuv)

 └─step  2─┤ download  portage://net-libs/libwebsockets-5.0.0-r1
             │           └─ file ─┤ 34.00 Mb  	 libwebsockets-5.0.0.tar.gz
             │ download  portage://www-apps/ttyd-1.7.7-r1
             │           └─ file ─┤ 606.78 Kb  	 ttyd-1.7.7.tar.gz

 └─step  3─┤ install   portage://net-libs/libwebsockets-5.0.0-r1 (USE modified)
             │           └─ conf ─┤ USE = "dbus* ipv6 smtp* ssl threads* lejp -access-log -caps -cgi -client -extensions -generic-sessions -http-proxy -http2
             │                    │          -libev -libevent libuv -mbedtls -peer-limits -server-status -socks5 -sqlite3 -zip"
             │                    │ SLOT = "0/22"

 └─step  4─┤ run       portage://net-libs/libwebsockets-5.0.0-r1 (USE modified)

 └─step  5─┤ install   portage://www-apps/ttyd-1.7.7-r1
             │           └─ conf ─┤ USE = "-mbedtls"

 └─step  6─┤ run     portage://www-apps/ttyd-1.7.7-r1

Total: 7 actions (1 useflag, 2 downloads, 2 installs, 2 runs), grouped into 6 steps.
       34.59 Mb to be downloaded.


>>> Assumptions taken during proving & planning:

  USE flag change (1 package):
  Add to /etc/portage/package.use:
    net-libs/libwebsockets libuv