appstream-glib : Provides GObjects and helper methods to read and write AppStream metadata ( https://people.freedesktop.org/~hughsient/appstream-glib/ https://github.com/hughsie/appstream-glib )
gobject-introspection : Introspection system for GObject-based libraries ( https://gi.readthedocs.io )
protobuf : Google's Protocol Buffers - Extensible mechanism for serializing structured data ( https://protobuf.dev/ https://github.com/protocolbuffers/protobuf )
re2 : An efficient, principled regular expression library ( https://github.com/google/re2 )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a mim
For Paludis use this rsync : rsync://gentoo.zugaina.org/mim-portage
If you have a problem : ycarus(-at-)zugaina.org