source: README@ 37ac06a

experimental
Last change on this file since 37ac06a was 9f46f8b, checked in by Manuel Canales Esparcia <manuel@…>, 18 years ago

Merged r2718 from trunk.

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1$Id$
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31. INTRODUCTION::
4
5 This collection of scripts, known as jhalfs-X, strives to create
6 accurate makefiles from the Linux From Scratch book series XML files.
7 This software is an evolution of the original "jhalfs" code.
8
9 The usage of this script assumes you have read and are familiar with
10 the book(s) and, therefore, the configuration variables found in config
11 files will have meaning to you. There are a number of command line switches
12 which, if used, will override the config file settings.
13
14 NOTES::
15 *. The resulting Makefile takes considerable time to run to completion.
16 Lay in a supply of caffeine beverages.
17
18 *. It is recommended that you temporarily unpack your linux kernel,
19 run <make menuconfig>, configure the kernel as per the book and save
20 the resulting .config file. This suggestion also applies to the
21 configuration of the uClibc package when building a HLFS system using
22 uClibc rather than glibc.
23
242. INSTALLATION::
25 No installation is required. System-wide installation is not allowed
26 for now.
27
283. CONFIGURATION FILES::
29 Each book in the LFS series has its own set of configurable parameters
30 as well as the common parameters file.
31
324. RUNNING::
33 The script master.sh cannot be invoked directly but only via the
34 supplied symlinks. After editing the config file for the project you wish
35 to build, run the script.
36
37 The term <symlink> refers to the 1 of 3 package symlinks, lfs,hlfs,clfs.
38 Replace <symlink> with your choice of packages; i.e.: ./lfs
39
40 ./<symlink> eg: ./lfs or ./hlfs
41 Create a makefile based on the settings found in the config files.
42 You must enter the build partition/jhalfs directory and manually run <make>
43
44 ./<symlink> -G eg: ./lfs -G
45 Download the packages and patches necessary to build <symlink>
46
47 ./<symlink> -G -M eg: ./lfs -G -M
48 Download the packages, create and automatically run the Makefile
49
50 ./<symlink> --help eg: ./lfs --help
51 will give you a context sensitive list of command line switches.
52
535. LAYOUT::
54
55 /CLFS/config
56 /master.sh
57 /xxxx.xsl
58
59 /HLFS/config
60 /master.sh
61 /xxxx.xsl
62
63 /LFS/config
64 / master.sh
65 /xxxx.xsl
66
67 /common/config
68 /common_functions
69 /makefile_functions
70 /func_check_versions.sh
71 /func_validate_configs.sh
72
73 /contrib/jhalfs-paco.patch
74
75 /extras/do_copy_files
76 /do_ica_prep
77 /do_ica_work
78 /farce
79 /filelist
80
81 README
82 README.PACO
83 TODO
84
85 ./clfs ---|
86 ./hlfs ---|+---> master.sh
87 ./lfs ---|
88
89
906. FAQ::
91 Q. "It doesn't work!"
92 A. Yes it does, try ./lfs --help
93
94 Q. "How do I specify the build location?"
95 A. The original LFS document worked against the well know location /mnt/lfs.
96 This script automates the build of all of the LFS series of books and uses
97 a generic location $BUILDDIR with a default value a /mnt/build_dir.
98 You may change this value to suit your needs.
99
100 The layout below $BUILDDIR is as follows.
101 $BUILDDIR/
102 jhalfs (makefile,cmd scripts,logs..etc)
103 sources (where packages reside)
104 tools (temporary bootstrap system)
105 cross-tools (temporary CLFS only)
106 ...
107 FHS dir structure
108 ...
109
110 Q. "What is the function of the SRC_ARCHIVE variable?"
111 A. When then symlinked master.sh runs it creates a local copy of the
112 necessary packages in BUILDDIR/sources by downloading the files. If
113 the variable SRC_ARCHIVE is defined the software will first look in
114 this location for the file and, if found, will copy it to BUILDDIR/sources.
115 If the files are not found in SRC_ARCHIVE _and_ you have write priv to
116 the directory any downloaded files will be mirrored there.
117
118 Q. "How do I set the SRC_ARCHIVE location?"
119 A. The best way to set the value of SRC_ARCHIVE is
120 export SRC_ARCHIVE=/wherever/you/store/downloaded/packages
121 OR
122 you can change the setting in .common/config.
123
124 Q. "Why have 2 copies of the files?"
125 A. The package files must be visible during the chroot phase and this is a
126 simple and reliable method of doing so. This method also handles the CLFS
127 build method where the final build may be done on a separate machine.
128
129Authors:
130 George Boudreau
131 Manuel Canales Esparcia
132 Jeremy Huntwork
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