Adding Gentoo overlays to ChromeOS

[Ihor Dvoretskyi]

As ChromeOS is being based on Gentoo, is it possible to add third-party overlays to it (and install software using emerge tool).

And globally, is it possible to use portage to install some third-party software (not only that, that is being installed by "dev_install")?

Thank you.

[Ihor Dvoretskyi]

Minor update - I have Chromebook Pixel LS with 64GB SSD, so storage space should be enough.

[Mike Frysinger]

you can, but you need to get a full checkout of Chromium OS and do your own builds.  you can't build on the device generally speaking.

-mike

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[Ihor Dvoretskyi]

Why so? Could you please define the limitations to perform it?

[Mike Frysinger]

we don't currently include a compiler in the binary packages available via dev_install

but yes, resources are a big concern: disk/cpu/ram are usually not up to snuff for building a lot of things.

that isn't to say we wouldn't be against making something like gcc available ... just no one has done it.

-mike

[Ihor Dvoretskyi]

Are there any workarounds how to solve this?

[Mike Frysinger]

building on the device ?  not really.  you could always download a Gentoo stage3 and just treat it like a normal chroot.

-mike

[Ihor Dvoretskyi]

Is this a correct tutorial?

If no, couldn't you provide me with a correct one?

[Mike Frysinger]

no, that's for bootstrapping a full CrOS build env

just download a Gentoo stage3 release from gentoo.org, unpack it into /usr/local/ somewhere, and then use `mount --bind` to set up /dev and such & chroot into it.  then run whatever you want inside of there.

-mike

[Ihor Dvoretskyi]

Am I correct, that I should follow a part of this guide?

https://wiki.gentoo.org/wiki/Handbook:AMD64/Installation/Base