mirror of
https://github.com/Zeckmathederg/glfs.git
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258 lines
7.9 KiB
XML
258 lines
7.9 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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"http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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<!ENTITY % general-entities SYSTEM "../../../general.ent">
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%general-entities;
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<!ENTITY grub-efi-download-http "https://ftp.gnu.org/gnu/grub/grub-&grub-version;.tar.xz">
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<!ENTITY grub-efi-download-ftp " ">
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<!ENTITY grub-efi-md5sum "60c564b1bdc39d8e43b3aab4bc0fb140">
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<!ENTITY grub-efi-size "6.4 MB">
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<!ENTITY grub-efi-buildsize "183 MB">
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<!ENTITY grub-efi-time "0.4 SBU (on 64-bit LFS, using parallelism=4)">
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<!ENTITY unifont-download-http "https://unifoundry.com/pub/unifont/unifont-&unifont-version;/font-builds/unifont-&unifont-version;.pcf.gz">
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<!ENTITY unifont-md5sum "72f95e7ecb47a4c7ed610babe6959ead">
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<!ENTITY unifont-size "1.3 MB">
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]>
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<sect1 id="grub-efi" xreflabel="GRUB-&grub-version; for EFI">
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<?dbhtml filename="grub-efi.html"?>
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<title>GRUB-&grub-version; for EFI</title>
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<indexterm zone="grub-efi">
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<primary sortas="a-grub-efi">grub-efi</primary>
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</indexterm>
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<sect2 role="package">
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<title>Introduction to GRUB</title>
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<para>
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The <application>GRUB</application> package provides GRand Unified
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Bootloader. In this page it will be built with UEFI support, which
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is not enabled for GRUB built in LFS.
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</para>
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&lfs121_checked;
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<bridgehead renderas="sect3">Package Information</bridgehead>
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<itemizedlist spacing="compact">
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<listitem>
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<para>
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Download (HTTP): <ulink url="&grub-efi-download-http;"/>
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</para>
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</listitem>
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<listitem>
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<para>
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Download (FTP): <ulink url="&grub-efi-download-ftp;"/>
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</para>
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</listitem>
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<listitem>
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<para>
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Download MD5 sum: &grub-efi-md5sum;
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</para>
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</listitem>
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<listitem>
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<para>
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Download size: &grub-efi-size;
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</para>
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</listitem>
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<listitem>
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<para>
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Estimated disk space required: &grub-efi-buildsize;
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</para>
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</listitem>
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<listitem>
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<para>
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Estimated build time: &grub-efi-time;
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</para>
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</listitem>
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</itemizedlist>
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<bridgehead renderas="sect3">Additional Downloads</bridgehead>
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<!--
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<itemizedlist spacing="compact">
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<listitem>
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<para>
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Required patch:
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<ulink url="&patch-root;/grub-&grub-version;-upstream_fixes-1.patch"/>
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</para>
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</listitem>
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</itemizedlist>
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-->
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<itemizedlist spacing="compact">
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<title>Unicode font data used to display GRUB menu</title>
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<listitem>
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<para>
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Download (HTTP): <ulink url="&unifont-download-http;"/>
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</para>
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</listitem>
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<listitem>
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<para>
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Download MD5 sum: &unifont-md5sum;
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</para>
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</listitem>
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<listitem>
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<para>
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Download size: &unifont-size;
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</para>
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</listitem>
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</itemizedlist>
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<itemizedlist spacing="compact">
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<title>GCC (only needed if building on 32-bit LFS)</title>
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<listitem>
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<para>
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Refer to <xref linkend='gcc'/> page for download info.
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</para>
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</listitem>
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</itemizedlist>
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<bridgehead renderas="sect3">GRUB Dependencies</bridgehead>
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<bridgehead renderas="sect4">Recommended</bridgehead>
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<para role="recommended">
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<xref role="runtime" linkend="efibootmgr"/> (runtime) and
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<xref linkend="freetype2"/>
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</para>
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<bridgehead renderas="sect4">Optional</bridgehead>
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<para role="optional">
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<xref linkend="lvm2"/>
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</para>
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</sect2>
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<sect2 role="installation">
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<title>Installation of GRUB</title>
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<para>
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First, install font data as the
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<systemitem class="username">root</systemitem> user:
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</para>
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<screen role="root"><userinput>mkdir -pv /usr/share/fonts/unifont &&
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gunzip -c ../unifont-&unifont-version;.pcf.gz > /usr/share/fonts/unifont/unifont.pcf</userinput></screen>
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<warning>
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<para>Unset any environment variables which may affect the build:</para>
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<screen><userinput>unset {C,CPP,CXX,LD}FLAGS</userinput></screen>
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<para>Don't try <quote>tuning</quote> this package with custom
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compilation flags: this package is a bootloader, with low-level
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operations in the source code which is likely to be broken by some
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aggressive optimizations.</para>
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</warning>
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<para>
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Add a file missing from the release tarball:
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</para>
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<screen><userinput>echo <literal>depends bli part_gpt</literal> > grub-core/extra_deps.lst</userinput></screen>
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<para>If you are running a 32-bit LFS, prepare a 64-bit compiler:</para>
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<!-- 'literal' is used deliberately to show this is only for 32-bit LFS -->
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<screen><userinput>case $(uname -m) in i?86 )
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<literal>tar xf ../gcc-&gcc-version;.tar.xz
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mkdir gcc-&gcc-version;/build
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pushd gcc-&gcc-version;/build
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../configure --prefix=$PWD/../../x86_64-gcc \
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--target=x86_64-linux-gnu \
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--with-system-zlib \
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--enable-languages=c,c++ \
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--with-ld=/usr/bin/ld
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make all-gcc
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make install-gcc
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popd
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export TARGET_CC=$PWD/x86_64-gcc/bin/x86_64-linux-gnu-gcc</literal>
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esac</userinput></screen>
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<para>
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Build <application>GRUB</application> with the following commands:
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</para>
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<screen><userinput>./configure --prefix=/usr \
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--sysconfdir=/etc \
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--disable-efiemu \
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--enable-grub-mkfont \
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--with-platform=efi \
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--target=x86_64 \
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--disable-werror &&
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unset TARGET_CC &&
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make</userinput></screen>
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<para>
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This package does not have a test suite providing meaningful results.
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</para>
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<para>
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Now, as the <systemitem class="username">root</systemitem> user:
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</para>
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<screen role="root"><userinput>make install &&
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mv -v /etc/bash_completion.d/grub /usr/share/bash-completion/completions</userinput></screen>
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</sect2>
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<sect2 role="commands">
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<title>Command Explanations</title>
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<para>
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<parameter>--enable-grub-mkfont</parameter>: Build the tool named
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<command>grub-mkfont</command> to generate the font file for the boot
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loader from the font data we've installed.
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</para>
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<warning>
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<para>If the recommended dependency <xref linkend="freetype2"/> is not
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installed, it is possible to omit this option and build GRUB. However,
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if <command>grub-mkfont</command> is not built, or the unicode font
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data is not available at the time GRUB is built, GRUB won't install
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any font for the boot loader. The GRUB boot menu will be displayed
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using a coarse font or in a smaller region on the screen.</para>
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</warning>
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<para>
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<parameter>--with-platform=efi</parameter>: Ensures building GRUB with
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EFI enabled.
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</para>
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<para>
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<parameter>--target=x86_64</parameter>: Ensures building GRUB for
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x86_64 even if building on a 32-bit LFS system. Most EFI firmware
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on x86_64 does not support 32-bit bootloaders.
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</para>
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<para>
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<option>--target=i386</option>: A few 32-bit x86 platforms have EFI
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support. And, some x86_64 platforms have a 32-bit EFI implementation,
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but they are very old and rare. Use this instead of
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<parameter>--target=x86_64</parameter> if you are
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<emphasis role='bold'>absolutely sure</emphasis> that LFS is running
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on such a system.
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</para>
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</sect2>
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<sect2>
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<title>Configuring GRUB</title>
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<para>
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Using GRUB to make the LFS system bootable on UEFI platform will be
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discussed in <xref linkend="grub-setup"/>.
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</para>
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</sect2>
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<sect2 role="content">
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<title>Contents</title>
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<para>See the page for GRUB in LFS book.</para>
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</sect2>
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</sect1>
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