[gentoo-user] Creating a LFS system with Portage

[Alon Keren]

Hi,

I'm considering using Portage to build a Linux From Scratch system
(LFS basically means building a completely customized Linux machine,
using a toolchain).
The little documentation online regarding such a feat, along with my
little experience with Portage, means that I would have to go
knee-deep (in creating ebuilds) before even knowing if it is feasible,
so I thought I'd ask here for some insight.

I noticed that the Catalyst project deals with toolchain building, but
it is Gentoo-centric, and with virtually no documentation.
I also noticed that Portage allows defining the ROOT environment
variable (in '/etc/make.conf') in order "to  specify  the  target
root  filesystem to be used for merging packages or ebuilds". I wonder
if emerging this way is enough to build a runnable OS, or if there are
special prerequisites the host system (aside from running emerge) or
destination file-system must meet.

Thanks in advance,
  Alon

PS.

Please CC me your replies as I'm not subscribed to messages from this list
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