Re: [gentoo-embedded] gentoo-mini-linux (2.6.X + uClibc + busybox + udev + hotplug/coldplug + *fsutils + smb/nfs+ ...) for system-setup

["Buttchereit, Axel (XLsigned)" <XL@XLsigned.net>]

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Hans-Werner Hilse wrote:
> Hi,
>
> On Tue, 07 Dec 2004 01:51:13 +0100
> "Buttchereit, Axel (XLsigned)" <XL@XLsigned.net> wrote:
>
>
>>Now for my (open) questions:
>>  1. "buildroot" obviously does not provide a "fully featured" root-fs
>>  for
>>     kernel-2.6, i. e. with udev, hotplug/coldplug.
>>     Anyone out there with experience on that?
>
>
> I've managed to use the new embedded-stage1 from Gentoo to compile
> myself a basic system, which is at least what buildroot does plus lots
> of more apps. I've even managed to compile xorg (6.8.0-r4 was the only
> one that worked for me right out of the box, it's currently masked).
>
> A last tip: I wouldn't recommend to actually install busybox into your
> dev environment. Just emerge it with "emerge --buildpkgonly busybox" and
> then do a "ROOT=/your/target/root emerge -K busybox"
>
> Note that gentoo won't work as a cross compilation env, AFAIK.
>

Thanks!

I have just downloaded an experimental x86-uClibc stages1. :-)

For both my development system and my target system(s) are "x86",
I think that "chroot"-ing into my build environment (based on stage1)
should also work. i. e. re-use my current 2.6.9-kernel.
(The target kernel is also 2.6.9, but for generic i386)

Something like this should work. Right?

 1. extract stage1 to "rootfs/"
 2. copy modules from generic i386-kernel to rootfs/lib/modules (???, see below)
 3. configure networking (rootfs/etc/resolv.conf)
 4. chroot roofs /bin/bash
- ----------------------------------------------------------------
 5. emerge sync
 6. /usr/portage/scripts/bootstrap.sh
 7. emerge system
 8. customize and emerge ... udev hotplug coldplug ntfsutils busybox...
 9. exit
- -----------------------------------------------------------------
10. Create "small" (32MB) ext2-filesytem on flat file "rootfs,ext2"
11. mount "rootfs.ext2" using "-o loop"
12. Copy all relevant files and folders from "rootfs/" to mounted "rootfs.ext2"
13. gzip "rootfs.ext2"
14. copy "rootfs.ext2.gz" and "bzImage" (gerneric i386-kernel) to my
    PXE-Server (fli4l) and add a boot menu entry (PXEGRUB, menu.1st)

Maybe it's a better idea to emerge "gentoo-dev-sources" while "chroot"-ed
and build the kernel.

- -Axel






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