177 lines
6.1 KiB
Text
177 lines
6.1 KiB
Text
$Id$
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1. INTRODUCTION::
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This collection of scripts, known as jhalfs, strives to create
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accurate makefiles from the Linux From Scratch book series XML files.
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This software is an evolution of the original "jhalfs-0.2" code.
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The usage of this script assumes you have read and are familiar with
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the book(s) and, therefore, the configuration variables found in config
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files will have meaning to you. There are a number of command line switches
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which, if used, will override the config file settings.
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NOTES::
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*. The resulting Makefile takes considerable time to run to completion.
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Lay in a supply of caffeine beverages.
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*. It is recommended that you temporarily unpack your linux kernel,
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run <make menuconfig>, configure the kernel as per the book and save
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the resulting .config file. This suggestion also applies to the
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configuration of the uClibc package when building a HLFS system using
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uClibc rather than glibc.
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2. INSTALLATION::
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No installation is required. System-wide installation is not allowed
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for now.
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3. CONFIGURATION FILES::
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Each book in the LFS series has its own set of configurable parameters
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as well as the common parameters file.
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4. RUNNING::
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The script master.sh cannot be invoked directly but only via the
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supplied symlinks. After editing the config file for the project you wish
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to build, run the script.
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IMPORTANT:
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If you use the switch -M (automatically run the generated makefile) you
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must be 'root' or you can run the scripts using 'sudo'
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i.e. sudo ./lfs -G -M
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If you want to run make manually you can only do so if you are 'root' or
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via 'sudo'
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i.e (from within the jhalfs directory) sudo make
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The term <symlink> refers to the 1 of 3 package symlinks, lfs,hlfs,clfs.
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Replace <symlink> with your choice of packages; i.e.: ./lfs
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./<symlink> eg: ./lfs or ./hlfs
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Create a makefile based on the settings found in the config files.
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You must enter the build partition/jhalfs directory and manually run <make>
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./<symlink> -G eg: ./lfs -G
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Download the packages and patches necessary to build <symlink>
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./<symlink> -G -M eg: ./lfs -G -M
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Download the packages, create and automatically run the Makefile
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./<symlink> --help eg: ./lfs --help
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will give you a context sensitive list of command line switches.
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>>>> an expanded example
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export SRC_ARCHIVE=/mnt/SourceFiles
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./lfs -D /mnt/partition4 \
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-K ~/jhalfs_configs/linux-2.6.16.19-LFS.config \
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-F ~/jhalfs-configs/fstab-sda3 \
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-G -T 0 -M
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explanation:::
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export SRC_ARCHIVE=/mnt/SourceFiles
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# This points to a local archive of existing packages. If the version in
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the archive is incorrect jhalfs will access the net and download the
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necessary version and store it here for later use. DO NOT set this to
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$BUILDDIR/sources. If you do not set this variable to a valide directory
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ALL package tarballs will be downloaded from the 'net.
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-D /mnt/partition4
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# where everything takes place. ..NOTE it must already exist and be mounted
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-K ~/jhalfs_configs/linux-2.6.16.19-LFS.config
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# If you want to automatically build a the kernel you MUST supply a valid
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kernel configuration file. The file you supply will be copied and renamed.
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-F ~/jhalfs-configs/fstab-sda3
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# If you have a fstab file you wish to use it will be copied and renamed
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-G # Retrieve the package files. You MUST enable this flag at least once if you
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wish to do a build or whenever you update the book.
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-T 0 # don't run any testsuites
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-M # automatically run make against Makefile once jhalfs finishes its work.
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5. LAYOUT::
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/CLFS/config
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/master.sh
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/xxxx.xsl
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/HLFS/config
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/master.sh
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/xxxx.xsl
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/LFS/config
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/ master.sh
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/xxxx.xsl
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/common/config
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/common_functions
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/makefile_functions
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/func_check_versions.sh
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/func_validate_configs.sh
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/contrib/jhalfs-paco.patch
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/extras/do_copy_files
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/do_ica_prep
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/do_ica_work
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/farce
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/filelist
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README
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README.PACO
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TODO
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./clfs ---|
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./hlfs ---|+---> master.sh
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./lfs ---|
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6. FAQ::
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Q. "It doesn't work!"
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A. Yes it does, try ./lfs --help
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Q. "How do I specify the build location?"
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A. The original LFS document worked against the well know location /mnt/lfs.
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This script automates the build of all of the LFS series of books and uses
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a generic location $BUILDDIR with a default value a /mnt/build_dir.
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You may change this value to suit your needs.
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The layout below $BUILDDIR is as follows.
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$BUILDDIR/
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jhalfs (makefile,cmd scripts,logs..etc)
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sources (where packages reside)
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tools (temporary bootstrap system)
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cross-tools (temporary CLFS only)
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...
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FHS dir structure
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...
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Q. "What is the function of the SRC_ARCHIVE variable?"
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A. When then symlinked master.sh runs it creates a local copy of the
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necessary packages in BUILDDIR/sources by downloading the files. If
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the variable SRC_ARCHIVE is defined the software will first look in
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this location for the file and, if found, will copy it to BUILDDIR/sources.
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If the files are not found in SRC_ARCHIVE _and_ you have write priv to
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the directory any downloaded files will be mirrored there.
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Q. "How do I set the SRC_ARCHIVE location?"
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A. The best way to set the value of SRC_ARCHIVE is
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export SRC_ARCHIVE=/wherever/you/store/downloaded/packages
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OR
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you can change the setting in .common/config.
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Q. "Why have 2 copies of the files?"
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A. The package files must be visible during the chroot phase and this is a
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simple and reliable method of doing so. This method also handles the CLFS
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build method where the final build may be done on a separate machine.
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Authors:
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George Boudreau
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Manuel Canales Esparcia
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Jeremy Huntwork
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