portage-ng --merge
>>> Emerging : portage://dev-ml/opam-file-format-2.2.0-r1:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://dev-lang/ocaml-5.5.1
│ └─ file ─┤ 6.30 Mb ocaml-5.5.1.tar.gz
│ download portage://dev-ml/dune-3.23.1
│ └─ file ─┤ 3.54 Mb dune-3.23.1.tar.gz
│ download portage://dev-ml/menhir-20250912
│ └─ file ─┤ 1.22 Mb menhir-20250912.tar.bz2
│ download portage://dev-ml/opam-file-format-2.2.0-r1
│ └─ file ─┤ 31.38 Kb opam-file-format-2.2.0.tar.gz
└─step 2─┤ install portage://dev-lang/ocaml-5.5.1
│ └─ conf ─┤ USE = "ocamlopt -emacs -flambda -latex -test -xemacs"
│ │ SLOT = "0/5.5.1"
└─step 3─┤ run portage://dev-lang/ocaml-5.5.1
└─step 4─┤ install portage://dev-ml/dune-3.23.1
│ └─ conf ─┤ USE = "-emacs -test"
│ │ SLOT = "0/3.23.1"
└─step 5─┤ run portage://dev-ml/dune-3.23.1
└─step 6─┤ install portage://dev-ml/menhir-20250912
│ └─ conf ─┤ USE = "ocamlopt"
│ │ SLOT = "0/20250912"
└─step 7─┤ run portage://dev-ml/menhir-20250912
└─step 8─┤ install portage://dev-ml/opam-file-format-2.2.0-r1
│ └─ conf ─┤ USE = "ocamlopt -test"
│ │ SLOT = "0/2.2.0"
└─step 9─┤ run portage://dev-ml/opam-file-format-2.2.0-r1
Total: 12 actions (4 downloads, 4 installs, 4 runs), grouped into 9 steps.
11.10 Mb to be downloaded.