Fnd out the dependencies it’s based on (QEMU),
read that Wiki entry too
See what USE-Flags you want
See what Kernel options are needed. Recompile Kernel if changes were necessary.
emerge -av app-emulation/virt-manager
See if you have read the Wikis of all dependencies.
Install.
Read the dependencies wikis for how to set things up.
Done
Yes, this is an extreme example, but many large packages are a bit like this.
That’s why you will tripple-check if you really need sonething before installing it on Gentoo, or you are like me and install Boxes in a Flatpak instead.
Personally i like Gentoo more than Arch because of all the buttons and knobs, and once it’s set up it does not need more time than Arch, but installing stuff is sometimes hard.
The problem with Gentoo is that you can’t install anything in a hurry.
Run VMs on Arch:
Run VMs on Gentoo?
Yes, this is an extreme example, but many large packages are a bit like this.
That’s why you will tripple-check if you really need sonething before installing it on Gentoo, or you are like me and install Boxes in a Flatpak instead.
Personally i like Gentoo more than Arch because of all the buttons and knobs, and once it’s set up it does not need more time than Arch, but installing stuff is sometimes hard.