sdp5 / lfs-rpi-arm

linux build log

lfs-rpi-arm

linux build log

• Linux from scratch v10.0-systemd with this guide.

Raspberry Pi	Model	CPU	Memory	build, host
RPi 1 2011.12	B Rev 2.0	ARM1176JZF-S 700 MHz	512 MiB	armv6l-unknown-linux-gnueabihf
RPi 3	B+	Cortex-A53 1.4 GHz	1 GiB	armv7l-unknown-linux-gnueabihf

Structure

Part I - Introduction

Part II - Preparing for the Build

Chapter 2 Preparing the Host System

describes how to create a new Linux native partition and file system. This is the place where the new LFS system will be compiled and installed.

| Run version-check.sh to see whether your host system has all the appropriate versions.

1. Create a new partition (min 10 GiB) and mount /mnt/lfs
2. Export variables ..
   • export LFS=/mnt/lfs
   • export LFS_TGT=$(uname -m)-lfs-linux-gnueabihf

Chapter 3 Packages and Patches

explains which packages and patches need to be downloaded to build an LFS system and how to store them on the new file system.

| Download source packages in $LFS/sources wget-list.

Chapter 4 Final Preparations

discusses the setup of an appropriate working environment.

mkdir -pv $LFS/{bin,etc,lib,sbin,usr,var}
mkdir -pv $LFS/tools
ln -s $LFS/tools /

groupadd lfs
useradd -s /bin/bash -g lfs -m -k /dev/null lfs
passwd lfs

chown -v lfs $LFS/{usr,lib,var,etc,bin,sbin,tools}
chown -v lfs $LFS/sources

| Follow LFS v10.0 to set environment.

cat > ~/.bash_profile << "EOF"
exec env -i HOME=$HOME TERM=$TERM PS1='\u:\w\$ ' /bin/bash
EOF

cat > ~/.bashrc << "EOF"
set +h
umask 022
LFS=/mnt/lfs
LC_ALL=POSIX
LFS_TGT=$(uname -m)-lfs-linux-gnueabihf
PATH=/usr/bin
if [ ! -L /bin ]; then PATH=/bin:$PATH; fi
PATH=$LFS/tools/bin:$PATH
export LFS LC_ALL LFS_TGT PATH
EOF

source ~/.bash_profile

Part III - Building the LFS Cross Toolchain and Temporary Tools

Chapter 5 Compiling a Cross-Toolchain

explains the installation of the initial tool chain, (binutils, gcc, and glibc) using cross compilation techniques to isolate the new tools from the host system.

| Compile toolchain logs: rpi1, rpi3

Chapter 6

shows you how to cross-compile basic utilities using the just built cross-toolchain.

| Cross compiling temporary tools logs: rpi3

Chapter 7

then enters a "chroot" environment and uses the previously built tools to build the additional tools needed to build and test the final system.

Part IV - Building the LFS System

Chapter 8

The full LFS system is built. Another advantage provided by the chroot environment is that it allows us to continue using the host system while LFS is being built.

Chapter 9

the basic system configuration is set up to finish the installation.

Chapter 10

the kernel and boot loader are set up.

Chapter 11

contains information on continuing the LFS experience beyond. After these steps , the computer will be ready to reboot into the new LFS system.

Part V - Appendices

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