2006-04-06 21:35:22 +02:00
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$Id$
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2005-11-01 13:33:46 +01:00
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2006-04-06 21:35:22 +02:00
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1. INTRODUCTION::
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2005-11-01 13:33:46 +01:00
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2006-04-09 12:38:40 +02:00
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This collection of scripts, known as jhalfs, strives to create
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2006-04-06 21:35:22 +02:00
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accurate makefiles from the Linux From Scratch book series XML files.
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2006-04-09 12:38:40 +02:00
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This software is an evolution of the original "jhalfs-0.2" code.
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2005-11-01 13:33:46 +01:00
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2006-04-06 21:35:22 +02:00
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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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2006-10-03 21:52:33 +02:00
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files will have meaning to you.
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2006-04-06 21:35:22 +02:00
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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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2005-11-01 13:33:46 +01:00
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2006-04-06 21:35:22 +02:00
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*. It is recommended that you temporarily unpack your linux kernel,
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2006-05-14 05:41:26 +02:00
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run <make menuconfig>, configure the kernel as per the book and save
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2006-04-06 21:35:22 +02:00
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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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2006-08-24 22:38:22 +02:00
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2. PREREQUISITES::
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To use this tool you MUST:
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- have experience building {c,h,b}LFS packages
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- know how to edit and write shell scripts
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- know how a Makefile works
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- be able to trace build failures and to find what is causing it
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(user error, package bug, {c,h,b}LFS command bug, or jhalfs code bug)
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2006-09-11 21:51:24 +02:00
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If you do not have the above skills, please don't use this tool.
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3. INSTALLATION::
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2006-04-06 21:35:22 +02:00
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No installation is required. System-wide installation is not allowed
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for now.
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2006-08-24 22:38:22 +02:00
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4. CONFIGURATION FILES::
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2006-08-11 20:02:51 +02:00
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::NEWS:: There is new configuration method for jhalfs.
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We have installed the familiar menu based configuration tool driven by
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by GNU make. see the section RUNNING, for details
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2006-08-24 22:38:22 +02:00
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5. RUNNING::
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2006-09-11 21:51:24 +02:00
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::NEWS:: jhalfs is now launched via GNU make instead of individual symlinks.
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The command <make> will launch a menu based configuration program. You will
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recognize the layout from bulding the kernel or uClibc/Busybox. The
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underlying menu code was borrowed from BusyBox and slightly modified for
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our use.
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2006-07-13 22:25:46 +02:00
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2006-09-11 21:51:24 +02:00
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Help on parameter function is available from the online help.
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Once you have set the parameters you wish and have saved your work the
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makefile will proceed to launch the jhalfs script. The script validate and
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present you with your selections which you may accept or reject.
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If you accepted the displayed settings jhalfs will proceed to create the
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makefile, optionally download packages.
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2006-06-21 01:43:07 +02:00
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2006-09-11 21:51:24 +02:00
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NOTE::
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If you run the jhalfs script directly the only funcion you can select is to
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display the version number
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2006-07-13 22:25:46 +02:00
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2006-08-24 22:38:22 +02:00
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6. LAYOUT::
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2006-05-05 00:23:22 +02:00
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/CLFS/config
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/master.sh
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/xxxx.xsl
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2006-05-27 10:30:58 +02:00
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2006-07-23 16:44:13 +02:00
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/CLFS2/config
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/master.sh
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/xxxx.xsl
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2006-05-05 00:23:22 +02:00
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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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2006-09-11 21:51:24 +02:00
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README
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README.BLFS
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README.PACO
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TODO
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Config.in
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makefile
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jhalfs
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blfs-tool
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2006-08-24 22:38:22 +02:00
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7. FAQ::
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2006-07-16 22:53:37 +02:00
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Q. "This 'help' file is very sparse"
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A. Yes, it is. This tool, jhalfs, is for those who understand the LFS books
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and wish to automate the build. 99% of any problems that arise can be
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solved by reading the book(s).
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2006-08-08 19:26:40 +02:00
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2006-05-14 05:41:26 +02:00
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Q. "It doesn't work!"
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A. Yes it does, try >> make
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Remember you must either be 'root' to run this script or have 'sudo' privileges.
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2006-07-03 19:42:30 +02:00
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Q. "It still doesn't work"
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A. jhalfs was designed to work against the developement versions of the LFS
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series of books. Consequently changes in a book(s) sometimes breaks older
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versions of jhalfs. Before you start pulling out your hair download the
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latest version of jhalfs to see if that solves your problem.
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2006-05-27 10:30:58 +02:00
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2006-05-14 05:41:26 +02:00
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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 known location /mnt/lfs.
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2006-05-03 03:42:16 +02:00
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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 of /mnt/build_dir.
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You may change this value to suit your needs.
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2006-05-03 03:42:16 +02:00
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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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2006-05-14 05:41:26 +02:00
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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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2006-05-14 05:41:26 +02:00
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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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2006-05-14 05:41:26 +02:00
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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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2006-08-08 19:26:40 +02:00
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Q. "What is the function of LUSER and LGROUP? There is no cmd line switch"
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A. If you are running jhalfs from a low or non-priveledged account you may not
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have the priv to create/delete accounts. These variables are adjustable
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when invoking make.
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$BUILDDIR make LUSER=myaccount LGROUP=mygroup
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Then only changes to your account will be the creation of a NEW .bashrc after
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saving your original to .bashrc.XXX
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2006-06-29 03:47:35 +02:00
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Q. "When I try to build 'xxx' with clfs the makefile fails at the mid-point"
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A. There could be numerous reasons for the failure but the most likely reason
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is you are doing a cross-build using the 'chroot' method and the target is
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not compatible with the host. If you choose to build using the chroot
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method a test is performed at the end of the temptools phase. If the test
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succeeds the build continues inside a chroot jail. However if the test fails
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2006-07-13 22:25:46 +02:00
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it means the host and target are not compatible an you should use the
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'boot' method to create your target code.
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As an extreme example: You can build a sparc target on a x86 platform but
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2006-09-11 21:51:24 +02:00
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only the temptools phase. You must select the 'boot' method and not the
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'chroot.' You must transfer the toolchain to a sparc platform, reboot the
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sparc box and continue the build.
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2006-07-24 14:29:45 +02:00
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Of all the LFS series of books Cross-LFS requires the greatest
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2006-06-29 03:47:35 +02:00
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understanding of host/target hardware combination. Please read the book
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carefully and don't skip the easy parts (there are none..)
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2006-07-13 22:25:46 +02:00
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2006-04-06 21:35:22 +02:00
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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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