| 1 |
Version 0.01 |
| 2 |
Added Yuri's comments. |
| 3 |
Please add, delete, modify. Thanks! |
| 4 |
|
| 5 |
#--------------------------------------------------------------------------------------- |
| 6 |
# Embedded Gentoo How-To for x86 |
| 7 |
# |
| 8 |
# Commands to setup a Gentoo embedded environment, you must be root. |
| 9 |
# These commands are to be run on your developement system, |
| 10 |
# any x86 Gentoo Linux computer will do. The system should be fast, |
| 11 |
# to speed developement. |
| 12 |
# |
| 13 |
# version 0.01 |
| 14 |
# 2005.27.04 |
| 15 |
# |
| 16 |
# Heath Holcomb (heath at bulah.com) |
| 17 |
# Ned Ludd (original commands posted) |
| 18 |
# Yuri Vasilevshi (contributor) |
| 19 |
#--------------------------------------------------------------------------------------- |
| 20 |
|
| 21 |
# create the development project directory |
| 22 |
mkdir -p /opt/i586-gentoo-uclibc-linux/usr/portage |
| 23 |
|
| 24 |
# download the latest stage 1 tarball |
| 25 |
wget \ |
| 26 |
http://gentoo.osuosl.org/experimental/x86/embedded/stages/stage1-x86-uclibc-2005.0.tar.bz2 |
| 27 |
|
| 28 |
# untar the stage to the project directory |
| 29 |
tar -xvjf stage1-x86-uclibc-2005.0.tar.bz2 -C /opt/i586-gentoo-uclibc-linux/ |
| 30 |
|
| 31 |
# mount the new proc filesystem |
| 32 |
# don't understand this someone please add comments |
| 33 |
mount --bind /proc /opt/i586-gentoo-uclibc-linux/proc/ |
| 34 |
mount --bind /usr/portage /opt/i586-gentoo-uclibc-linux/usr/portage |
| 35 |
|
| 36 |
# copy over DNS information to the chroot embedded build system |
| 37 |
cp /etc/resolv.conf /opt/i586-gentoo-uclibc-linux/etc/resolv.conf |
| 38 |
|
| 39 |
# chroot into the embedded build system |
| 40 |
chroot /opt/i586-gentoo-uclibc-linux /bin/bash --login |
| 41 |
env-update |
| 42 |
source /etc/profile |
| 43 |
|
| 44 |
# modify make.conf file to your liking |
| 45 |
nano -w /etc/make.conf |
| 46 |
# this is for my target, Geode x86 processor |
| 47 |
CHOST="i586-gentoo-linux-uclibc" |
| 48 |
CFLAGS="-march=i586 -Os -pipe -fomit-frame-pointer -mmmx" |
| 49 |
CXXFLAGS="${CFLAGS}" |
| 50 |
FEATURES="buildpkg" |
| 51 |
|
| 52 |
# work around for bug 90306 |
| 53 |
mknod -m 0444 /dev/random c 1 8 |
| 54 |
mknod -m 0444 /dev/urandom c 1 9 |
| 55 |
|
| 56 |
# start the bootstrip script |
| 57 |
cd /usr/portage/scripts |
| 58 |
./bootstrap.sh -p -v |
| 59 |
./bootstrap.sh |
| 60 |
|
| 61 |
# emerge system |
| 62 |
emerge -e system |
| 63 |
# fixes a emerge ebuild bug, this should go away soon |
| 64 |
emerge python |
| 65 |
# continue with the rest of the emerge system |
| 66 |
emerge -e system |
| 67 |
|
| 68 |
# modify make.conf and set you USE flags for the target embedded build |
| 69 |
# these use flags build a smaller system with no documentation, man or info |
| 70 |
pages installed |
| 71 |
# the make-symlinks option of for busybox to automatically create the symlinks |
| 72 |
to it |
| 73 |
nano -w /etc/make.conf |
| 74 |
USE="make-symlinks nodoc noinfo noman" |
| 75 |
|
| 76 |
# build busybox and uclibc, put into /dev/shm |
| 77 |
# don't understand exactally how this works, someone please add comments |
| 78 |
ROOT=/dev/shm emerge busybox uclibc |
| 79 |
|
| 80 |
# emerge other software you need for you embedded target |
| 81 |
ROOT=/dev/shm emerge xxxxxxxxx |
| 82 |
|
| 83 |
|
| 84 |
|
| 85 |
-- |
| 86 |
Heath Holcomb |
| 87 |
heath@×××××.com |
| 88 |
www.bulah.com |
| 89 |
-- |
| 90 |
gentoo-embedded@g.o mailing list |
Archives