$ mirage configure --unix
 Mirage      Using scanned config file: config.ml
 Mirage      Processing: /home/user/mirage-skeleton/console/config.ml
 Mirage      => rm -rf /home/user/mirage-skeleton/console/_build/config.*
 Mirage      => cd /home/user/mirage-skeleton/console && ocamlbuild -use-ocamlfind -tags annot,bin_annot -pkg mirage config.cmxs
 console     Using configuration: /home/user/mirage-skeleton/console/config.ml
 console     1 job [Unikernel.Main]
 console     Installing OPAM packages.
 console     => opam install --yes mirage-console mirage-unix
 The following actions will be performed:
  - install   mirage-unix.2.0.1
  - install   mirage-console.2.0.0
 === 2 to install ===

 =-=- Synchronizing package archives -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=

 =-=- Installing packages =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
 Building mirage-unix.2.0.1:
   make unix-build
   make unix-install PREFIX=/home/user/.opam/4.01.0
 Installing mirage-unix.2.0.1.
 Building mirage-console.2.0.0:
   make
   make install
 Installing mirage-console.2.0.0.
 console     Generating: main.ml
 $