portage-ng --merge
>>> Emerging : portage://net-vpn/libreswan-5.1-r1:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://dev-libs/nspr-4.40
│ └─ file ─┤ 985.34 Kb nspr-4.40.tar.gz
│ download portage://dev-libs/nss-3.131
│ └─ file ─┤ 83.98 Mb nss-3.131.tar.gz
│ download portage://net-vpn/libreswan-5.1-r1
│ └─ file ─┤ 3.84 Mb libreswan-5.1.tar.gz
└─step 2─┤ install portage://dev-libs/nspr-4.40
│ └─ conf ─┤ USE = "-debug"
└─step 3─┤ run portage://dev-libs/nspr-4.40
└─step 4─┤ install portage://dev-libs/nss-3.131
│ └─ conf ─┤ USE = "utils -cacert -test -test-full"
│ │ CPU_FLAGS_X86 = "avx2 sse3*"
└─step 5─┤ run portage://dev-libs/nss-3.131
└─step 6─┤ install portage://net-vpn/libreswan-5.1-r1
│ └─ conf ─┤ USE = "pam seccomp ikev1 -caps -curl -dnssec -ldap -networkmanager -test"
└─step 7─┤ run portage://net-vpn/libreswan-5.1-r1
Total: 9 actions (3 downloads, 3 installs, 3 runs), grouped into 7 steps.
88.79 Mb to be downloaded.