| 1 | $Id$
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| 2 |
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| 3 | 1. INTRODUCTION::
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| 4 |
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| 5 | This collection of scripts, known as jhalfs, strives to create
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| 6 | accurate makefiles from the Linux From Scratch book series XML files.
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| 7 | This software is an evolution of the original "jhalfs-0.2" code.
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| 8 |
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| 9 | The usage of this script assumes you have read and are familiar with
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| 10 | the book(s) and, therefore, the configuration variables found in config
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| 11 | files will have meaning to you. There are a number of command line switches
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| 12 | which, if used, will override the config file settings.
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| 13 |
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| 14 | NOTES::
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| 15 | *. The resulting Makefile takes considerable time to run to completion.
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| 16 | Lay in a supply of caffeine beverages.
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| 17 |
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| 18 | *. It is recommended that you temporarily unpack your linux kernel,
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| 19 | run <make menuconfig>, configure the kernel as per the book and save
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| 20 | the resulting .config file. This suggestion also applies to the
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| 21 | configuration of the uClibc package when building a HLFS system using
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| 22 | uClibc rather than glibc.
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| 23 |
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| 24 | 2. INSTALLATION::
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| 25 | No installation is required. System-wide installation is not allowed
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| 26 | for now.
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| 27 |
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| 28 | 3. CONFIGURATION FILES::
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| 29 | Each book in the LFS series has its own set of configurable parameters
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| 30 | as well as the common parameters file.
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| 31 |
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| 32 | 4. RUNNING::
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| 33 | The script master.sh cannot be invoked directly but only via the
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| 34 | supplied symlinks. After editing the config file for the project you wish
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| 35 | to build, run the script.
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| 36 |
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| 37 | IMPORTANT:
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| 38 | If you use the switch -M (automatically run the generated makefile) you
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| 39 | must be 'root' or you can run the scripts using 'sudo'
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| 40 | i.e. sudo ./lfs -G -M
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| 41 |
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| 42 | If you want to run make manually you can only do so if you are 'root' or
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| 43 | via 'sudo'
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| 44 | i.e (from within the jhalfs directory) sudo make
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| 45 |
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| 46 | The term <symlink> refers to the 1 of 3 package symlinks, lfs,hlfs,clfs.
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| 47 | Replace <symlink> with your choice of packages; i.e.: ./lfs
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| 48 |
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| 49 | ./<symlink> eg: ./lfs or ./hlfs
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| 50 | Create a makefile based on the settings found in the config files.
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| 51 | You must enter the build partition/jhalfs directory and manually run <make>
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| 52 |
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| 53 | ./<symlink> -G eg: ./lfs -G
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| 54 | Download the packages and patches necessary to build <symlink>
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| 55 |
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| 56 | ./<symlink> -G -M eg: ./lfs -G -M
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| 57 | Download the packages, create and automatically run the Makefile
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| 58 |
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| 59 | ./<symlink> --help eg: ./lfs --help
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| 60 | will give you a context sensitive list of command line switches.
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| 61 |
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| 62 | >>>> an expanded example
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| 63 |
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| 64 | export SRC_ARCHIVE=/mnt/SourceFiles
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| 65 |
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| 66 | ./lfs -D /mnt/partition4 \
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| 67 | -K ~/jhalfs_configs/linux-2.6.16.19-LFS.config \
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| 68 | -F ~/jhalfs-configs/fstab-sda3 \
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| 69 | -G -T 0 -M
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| 70 |
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| 71 | explanation:::
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| 72 |
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| 73 | export SRC_ARCHIVE=/mnt/SourceFiles
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| 74 | # This points to a local archive of existing packages. If the version in
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| 75 | the archive is incorrect jhalfs will access the net and download the
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| 76 | necessary version and store it here for later use. DO NOT set this to
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| 77 | $BUILDDIR/sources. If you do not set this variable to a valide directory
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| 78 | ALL package tarballs will be downloaded from the 'net.
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| 79 |
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| 80 | -D /mnt/partition4
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| 81 | # where everything takes place. ..NOTE it must already exist and be mounted
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| 82 |
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| 83 | -K ~/jhalfs_configs/linux-2.6.16.19-LFS.config
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| 84 | # If you want to automatically build a the kernel you MUST supply a valid
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| 85 | kernel configuration file. The file you supply will be copied and renamed.
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| 86 |
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| 87 | -F ~/jhalfs-configs/fstab-sda3
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| 88 | # If you have a fstab file you wish to use it will be copied and renamed
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| 89 |
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| 90 | -G # Retrieve the package files. You MUST enable this flag at least once if you
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| 91 | wish to do a build or whenever you update the book.
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| 92 |
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| 93 | -T 0 # don't run any testsuites
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| 94 |
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| 95 | -M # automatically run make against Makefile once jhalfs finishes its work.
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| 96 |
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| 97 |
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| 98 | 5. LAYOUT::
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| 99 |
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| 100 | /CLFS/config
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| 101 | /master.sh
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| 102 | /xxxx.xsl
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| 103 |
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| 104 | /HLFS/config
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| 105 | /master.sh
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| 106 | /xxxx.xsl
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| 107 |
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| 108 | /LFS/config
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| 109 | / master.sh
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| 110 | /xxxx.xsl
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| 111 |
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| 112 | /common/config
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| 113 | /common_functions
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| 114 | /makefile_functions
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| 115 | /func_check_versions.sh
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| 116 | /func_validate_configs.sh
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| 117 |
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| 118 | /contrib/jhalfs-paco.patch
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| 119 |
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| 120 | /extras/do_copy_files
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| 121 | /do_ica_prep
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| 122 | /do_ica_work
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| 123 | /farce
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| 124 | /filelist
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| 125 |
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| 126 | README
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| 127 | README.PACO
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| 128 | TODO
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| 129 |
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| 130 | ./clfs ---|
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| 131 | ./hlfs ---|+---> master.sh
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| 132 | ./lfs ---|
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| 133 |
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| 134 |
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| 135 | 6. FAQ::
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| 136 | Q. "It doesn't work!"
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| 137 | A. Yes it does, try ./lfs --help
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| 138 |
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| 139 | Q. "How do I specify the build location?"
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| 140 | A. The original LFS document worked against the well know location /mnt/lfs.
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| 141 | This script automates the build of all of the LFS series of books and uses
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| 142 | a generic location $BUILDDIR with a default value a /mnt/build_dir.
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| 143 | You may change this value to suit your needs.
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| 144 |
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| 145 | The layout below $BUILDDIR is as follows.
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| 146 | $BUILDDIR/
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| 147 | jhalfs (makefile,cmd scripts,logs..etc)
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| 148 | sources (where packages reside)
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| 149 | tools (temporary bootstrap system)
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| 150 | cross-tools (temporary CLFS only)
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| 151 | ...
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| 152 | FHS dir structure
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| 153 | ...
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| 154 |
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| 155 | Q. "What is the function of the SRC_ARCHIVE variable?"
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| 156 | A. When then symlinked master.sh runs it creates a local copy of the
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| 157 | necessary packages in BUILDDIR/sources by downloading the files. If
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| 158 | the variable SRC_ARCHIVE is defined the software will first look in
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| 159 | this location for the file and, if found, will copy it to BUILDDIR/sources.
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| 160 | If the files are not found in SRC_ARCHIVE _and_ you have write priv to
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| 161 | the directory any downloaded files will be mirrored there.
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| 162 |
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| 163 | Q. "How do I set the SRC_ARCHIVE location?"
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| 164 | A. The best way to set the value of SRC_ARCHIVE is
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| 165 | export SRC_ARCHIVE=/wherever/you/store/downloaded/packages
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| 166 | OR
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| 167 | you can change the setting in .common/config.
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| 168 |
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| 169 | Q. "Why have 2 copies of the files?"
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| 170 | A. The package files must be visible during the chroot phase and this is a
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| 171 | simple and reliable method of doing so. This method also handles the CLFS
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| 172 | build method where the final build may be done on a separate machine.
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| 173 |
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| 174 | Authors:
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| 175 | George Boudreau
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| 176 | Manuel Canales Esparcia
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| 177 | Jeremy Huntwork
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