I guess you could do the after install of other distros with chroot but the install itself I don't thinks so, you need their installer, even Arch need their own install scripts, I think that the fact that Gentoo/Funtoo has no installer at all make possible to install from scratch without any special sauce.
And as a PSA, for years I had problem estimating install/compile times, for Gentoo, and I found genlop, I don't know if every Gentoo user knows about it and I was the only fool that didn't but in any case. It tells you your historical compile times of every package you have installed and also has a database with times of programs you haven't in a similar CPU. Even a ETA of the package you are currently compiling. And it took me just about 8 yrs to find it out :)
I guess you could do the after install of other distros with chroot but the install itself I don't thinks so, you need their installer, even Arch need their own install scripts, I think that the fact that Gentoo/Funtoo has no installer at all make possible to install from scratch without any special sauce.
And as a PSA, for years I had problem estimating install/compile times, for Gentoo, and I found genlop, I don't know if every Gentoo user knows about it and I was the only fool that didn't but in any case. It tells you your historical compile times of every package you have installed and also has a database with times of programs you haven't in a similar CPU. Even a ETA of the package you are currently compiling. And it took me just about 8 yrs to find it out :)
Wow, first I've heard of this! Thanks so much, that's a great idea, installing it tonight.