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diff --git a/chapter01/how.xml b/chapter01/how.xml index 55d1447d6..6c1c3b26f 100644 --- a/chapter01/how.xml +++ b/chapter01/how.xml @@ -1,88 +1,89 @@ <?xml version="1.0" encoding="ISO-8859-1"?> -<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN" "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [ +<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN" + "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [ <!ENTITY % general-entities SYSTEM "../general.ent"> %general-entities; ]> -<sect1 id="ch-scatter-how"> -<title>How to Build an LFS System</title> -<?dbhtml filename="how.html"?> -<para>The LFS system will be built by using a previously installed -Linux distribution (such as Debian, Mandrake, Red Hat, or SuSE). This -existing Linux system (the host) will be used as a starting point to -provide necessary programs, including a compiler, linker, and shell, -to build the new system. Select the <quote>development</quote> option -during the distribution installation to be able to access these -tools.</para> +<sect1 id="ch-intro-how"> + <?dbhtml filename="how.html"?> -<para>As an alternative to installing an entire separate distribution onto your -machine, you may wish to use the Linux From Scratch LiveCD. The CD works well as -a host system, providing all the tools you need to successfully follow the -instructions in this book. Additionally, it contains all the source packages, -patches and a copy of this book. So once you have the CD, no network connection -or additional downloads are necessary. For more information about the LFS LiveCD -or to download a copy, visit <ulink url="&livecd-root;"/>.</para> + <title>How to Build an LFS System</title> -<para><xref linkend="chapter-partitioning"/> of this book describes how -to create a new Linux native partition and file system, the place -where the new LFS system will be compiled and installed. <xref -linkend="chapter-getting-materials"/> explains which packages and -patches need to be downloaded to build an LFS system and how to store -them on the new file system. <xref linkend="chapter-final-preps"/> -discusses the setup for an appropriate working environment. Please read -<xref linkend="chapter-final-preps"/> carefully as it explains several -important issues the developer should be aware of before beginning to -work through <xref linkend="chapter-temporary-tools"/> and -beyond.</para> + <para>The LFS system will be built by using a previously installed + Linux distribution (such as Debian, Mandrake, Red Hat, or SuSE). This + existing Linux system (the host) will be used as a starting point to + provide necessary programs, including a compiler, linker, and shell, + to build the new system. Select the <quote>development</quote> option + during the distribution installation to be able to access these + tools.</para> -<para><xref linkend="chapter-temporary-tools"/> explains the -installation of a number of packages that will form the basic -development suite (or toolchain) which is used to build the actual -system in <xref linkend="chapter-building-system"/>. Some of these -packages are needed to resolve circular dependencies—for example, -to compile a compiler, you need a compiler.</para> + <para>As an alternative to installing an entire separate distribution + onto your machine, you may wish to use the Linux From Scratch LiveCD. + The CD works well as a host system, providing all the tools you need + to successfully follow the instructions in this book. Additionally, + it contains all the source packages, patches and a copy of this book. + So once you have the CD, no network connection or additional downloads + are necessary. For more information about the LFS LiveCD or to download + a copy, visit <ulink url="&livecd-root;"/>.</para> -<para><xref linkend="chapter-temporary-tools"/> also shows the user how -to build a first pass of the toolchain, including Binutils and GCC -(first pass basically means these two core packages will be -re-installed a second time). The next step is to build Glibc, the C library. -Glibc will be compiled by the toolchain programs built in the first pass. Then, -a second pass of the toolchain will be built. This time, the toolchain will be -dynamically linked against the newly built Glibc. The remaining -<xref linkend="chapter-temporary-tools"/> packages are built using this second -pass toolchain. When this is done, the LFS installation process will no longer -depend on the host distribution, with the exception of the running kernel. -</para> + <para><xref linkend="chapter-partitioning"/> of this book describes how + to create a new Linux native partition and file system, the place + where the new LFS system will be compiled and installed. <xref + linkend="chapter-getting-materials"/> explains which packages and + patches need to be downloaded to build an LFS system and how to store + them on the new file system. <xref linkend="chapter-final-preps"/> + discusses the setup for an appropriate working environment. Please read + <xref linkend="chapter-final-preps"/> carefully as it explains several + important issues the developer should be aware of before beginning to + work through <xref linkend="chapter-temporary-tools"/> and beyond.</para> -<para>This effort to isolate the new system from the host distribution may seem -excessive, but a full technical explanation is provided in -<xref linkend="ch-tools-toolchaintechnotes"/>.</para> + <para><xref linkend="chapter-temporary-tools"/> explains the + installation of a number of packages that will form the basic + development suite (or toolchain) which is used to build the actual + system in <xref linkend="chapter-building-system"/>. Some of these + packages are needed to resolve circular dependencies—for example, + to compile a compiler, you need a compiler.</para> -<para>In <xref linkend="chapter-building-system"/>, the full LFS system is -built. The <command>chroot</command> (change root) program is used to enter a virtual -environment and start a new shell whose root directory will be set to -the LFS partition. This is very similar to rebooting and instructing -the kernel to mount the LFS partition as the root partition. The -system does not actually reboot, but instead <command>chroot</command>'s because creating a -bootable system requires additional work which is not necessary just -yet. The major advantage is that <quote>chrooting</quote> allows the -builder to continue using the host while LFS is being built. While -waiting for package compilation to complete, a user can switch to a -different virtual console (VC) or X desktop and continue using the -computer as normal.</para> + <para><xref linkend="chapter-temporary-tools"/> also shows the user how to + build a first pass of the toolchain, including Binutils and GCC (first pass + basically means these two core packages will be re-installed a second time). + The next step is to build Glibc, the C library. Glibc will be compiled by + the toolchain programs built in the first pass. Then, a second pass of the + toolchain will be built. This time, the toolchain will be dynamically linked + against the newly built Glibc. The remaining <xref + linkend="chapter-temporary-tools"/> packages are built using this second + pass toolchain. When this is done, the LFS installation process will no + longer depend on the host distribution, with the exception of the running + kernel. </para> -<para>To finish the installation, the LFS-Bootscripts are set up in <xref -linkend="chapter-bootscripts"/>, and the kernel and boot loader are set -up in <xref linkend="chapter-bootable"/>. <xref -linkend="chapter-finalizing"/> contains information on furthering the -LFS experience beyond this book. After the steps in this book have -been implemented, the computer will be ready to reboot into the new -LFS system.</para> + <para>This effort to isolate the new system from the host distribution may + seem excessive, but a full technical explanation is provided in + <xref linkend="ch-tools-toolchaintechnotes"/>.</para> -<para>This is the process in a nutshell. Detailed information on each -step is discussed in the following chapters and package descriptions. -Items that may seem complicated will be clarified, and everything will -fall into place as the reader embarks on the LFS adventure.</para> + <para>In <xref linkend="chapter-building-system"/>, the full LFS system is + built. The <command>chroot</command> (change root) program is used to enter + a virtual environment and start a new shell whose root directory will be + set to the LFS partition. This is very similar to rebooting and instructing + the kernel to mount the LFS partition as the root partition. The system + does not actually reboot, but instead <command>chroot</command>'s because + creating a bootable system requires additional work which is not necessary + just yet. The major advantage is that <quote>chrooting</quote> allows the + builder to continue using the host while LFS is being built. While waiting + for package compilation to complete, a user can switch to a different + virtual console (VC) or X desktop and continue using the computer as + normal.</para> -</sect1> + <para>To finish the installation, the LFS-Bootscripts are set up in + <xref linkend="chapter-bootscripts"/>, and the kernel and boot loader are set + up in <xref linkend="chapter-bootable"/>. <xref linkend="chapter-finalizing"/> + contains information on furthering the LFS experience beyond this book. + After the steps in this book have been implemented, the computer will be + ready to reboot into the new LFS system.</para> + + <para>This is the process in a nutshell. Detailed information on each + step is discussed in the following chapters and package descriptions. + Items that may seem complicated will be clarified, and everything will + fall into place as the reader embarks on the LFS adventure.</para> +</sect1> |