[756a787] | 1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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| 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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| 3 | "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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| 4 | <!ENTITY % general-entities SYSTEM "../../../general.ent">
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| 5 | %general-entities;
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| 6 |
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| 7 | <!ENTITY grub-efi-download-http "https://alpha.gnu.org/gnu/grub/grub-&grub-version;.tar.xz">
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| 8 | <!ENTITY grub-efi-download-ftp " ">
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| 9 | <!ENTITY grub-efi-md5sum "3c222b51347c182d655f9b94d5b56582">
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| 10 | <!ENTITY grub-efi-size "6.2 MB">
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| 11 | <!ENTITY grub-efi-buildsize "592 KB">
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| 12 | <!ENTITY grub-efi-time "less than 0.1 SBU">
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| 13 |
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| 14 | <!ENTITY unifont-download-http "http://unifoundry.com/pub/unifont/unifont-&unifont-version;/font-builds/unifont-&unifont-version;.pcf.gz">
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| 15 | <!ENTITY unifont-md5sum "4fbc33c8d8d25985f1bcdd4d28bc2420">
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| 16 | <!ENTITY unifont-size "1.3 MB">
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| 17 | ]>
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| 18 |
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| 19 | <sect1 id="grub-efi" xreflabel="GRUB-&grub-version; for EFI">
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| 20 | <?dbhtml filename="grub-efi.html"?>
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| 21 |
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| 22 | <sect1info>
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| 23 | <othername>$LastChangedBy: bdubbs $</othername>
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| 24 | <date>$Date: 2021-02-21 03:35:58 +0800 (日, 2021-02-21) $</date>
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| 25 | </sect1info>
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| 26 |
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| 27 | <title>GRUB-&grub-version; for EFI</title>
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| 28 |
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| 29 | <indexterm zone="grub-efi">
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| 30 | <primary sortas="a-grub-efi">grub-efi</primary>
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| 31 | </indexterm>
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| 32 |
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| 33 | <sect2 role="package">
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| 34 | <title>Introduction to GRUB</title>
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| 35 |
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| 36 | <para>
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| 37 | The <application>GRUB</application> package provides GRand Unified
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| 38 | Bootloader. In this page it will be built with UEFI support, which
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| 39 | is not enabled for GRUB built in LFS.
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| 40 | </para>
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| 41 |
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| 42 | &lfs101_checked;
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| 43 |
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| 44 | <bridgehead renderas="sect3">Package Information</bridgehead>
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| 45 | <itemizedlist spacing="compact">
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| 46 | <listitem>
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| 47 | <para>
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| 48 | Download (HTTP): <ulink url="&grub-efi-download-http;"/>
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| 49 | </para>
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| 50 | </listitem>
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| 51 | <listitem>
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| 52 | <para>
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| 53 | Download (FTP): <ulink url="&grub-efi-download-ftp;"/>
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| 54 | </para>
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| 55 | </listitem>
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| 56 | <listitem>
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| 57 | <para>
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| 58 | Download MD5 sum: &grub-efi-md5sum;
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| 59 | </para>
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| 60 | </listitem>
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| 61 | <listitem>
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| 62 | <para>
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| 63 | Download size: &grub-efi-size;
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| 64 | </para>
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| 65 | </listitem>
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| 66 | <listitem>
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| 67 | <para>
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| 68 | Estimated disk space required: &grub-efi-buildsize;
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| 69 | </para>
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| 70 | </listitem>
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| 71 | <listitem>
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| 72 | <para>
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| 73 | Estimated build time: &grub-efi-time;
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| 74 | </para>
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| 75 | </listitem>
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| 76 | </itemizedlist>
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| 77 |
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| 78 | <bridgehead renderas="sect3">Additional Downloads</bridgehead>
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| 79 |
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| 80 | <itemizedlist spacing="compact">
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| 81 | <title>Unicode font data used to display GRUB menu</title>
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| 82 | <listitem>
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| 83 | <para>
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| 84 | Download (HTTP): <ulink url="&unifont-download-http;"/>
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| 85 | </para>
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| 86 | </listitem>
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| 87 | <listitem>
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| 88 | <para>
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| 89 | Download MD5 sum: &unifont-md5sum;
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| 90 | </para>
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| 91 | </listitem>
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| 92 | <listitem>
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| 93 | <para>
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| 94 | Download size: &unifont-size;
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| 95 | </para>
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| 96 | </listitem>
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| 97 | </itemizedlist>
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| 98 |
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| 99 | <bridgehead renderas="sect3">GRUB Dependencies</bridgehead>
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| 100 |
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| 101 | <bridgehead renderas="sect4">Required (runtime)</bridgehead>
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| 102 | <para role="runtime">
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| 103 | <xref linkend="efibootmgr"/>
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| 104 | </para>
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| 105 |
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| 106 | <bridgehead renderas="sect4">Recommended</bridgehead>
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| 107 | <para role="recommended">
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| 108 | <xref linkend="freetype2"/>
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| 109 | </para>
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| 110 |
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| 111 | <bridgehead renderas="sect4">Optional</bridgehead>
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| 112 | <para role="optional">
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| 113 | <xref linkend="lvm2"/>
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| 114 | </para>
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| 115 |
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| 116 | <para condition="html" role="usernotes">User Notes:
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| 117 | <ulink url="&blfs-wiki;/grub-efi"/></para>
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| 118 |
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| 119 | </sect2>
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| 120 |
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| 121 | <sect2 role="installation">
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| 122 | <title>Installation of GRUB</title>
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| 123 |
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| 124 | <para>
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| 125 | At first, install font data as the
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| 126 | <systemitem class="username">root</systemitem> user:
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| 127 | </para>
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| 128 |
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| 129 | <screen role="root"><userinput>mkdir -pv /usr/share/fonts/unifont &&
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| 130 | gunzip -c unifont-&unifont-version;.pcf.gz > /usr/share/fonts/unifont/unifont.pcf</userinput></screen>
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| 131 |
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| 132 | <warning>
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| 133 | <para>Unset any environment variables which may affect the build:</para>
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| 134 |
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| 135 | <screen><userinput>unset {C,CPP,CXX,LD}FLAGS</userinput></screen>
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| 136 |
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| 137 | <para>Don't try <quote>tuning</quote> this package with custom
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| 138 | compilation flags: this package is a bootloader, with low-level
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| 139 | operations in the source code which is likely to be broken by some
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| 140 | aggressive optimizations.</para>
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| 141 | </warning>
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| 142 |
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| 143 | <para>
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| 144 | Build <application>GRUB</application> with the following commands:
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| 145 | </para>
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| 146 |
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| 147 | <screen><userinput>./configure --prefix=/usr \
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| 148 | --sbindir=/sbin \
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| 149 | --sysconfdir=/etc \
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| 150 | --disable-efiemu \
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| 151 | --enable-grub-mkfont \
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| 152 | --with-platform=efi \
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| 153 | --disable-werror &&
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| 154 |
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| 155 | make</userinput></screen>
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| 156 |
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| 157 | <para>
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| 158 | This package does not have a test suite providing meaningful result.
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| 159 | </para>
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| 160 |
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| 161 | <para>
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| 162 | Now, as the <systemitem class="username">root</systemitem> user:
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| 163 | </para>
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| 164 |
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| 165 | <screen role="root"><userinput>make install &&
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| 166 | mv -v /etc/bash_completion.d/grub /usr/share/bash-completion/completions</userinput></screen>
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| 167 |
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| 168 | </sect2>
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| 169 |
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| 170 | <sect2 role="commands">
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| 171 | <title>Command Explanations</title>
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| 172 |
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| 173 | <para>
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| 174 | <parameter>--enable-grub-mkfont</parameter>: Built the tool named
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| 175 | <command>grub-mkfont</command> to generate font file for the boot
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| 176 | loader, from the font data we've installed.
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| 177 | </para>
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| 178 |
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| 179 | <warning>
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| 180 | <para>If the recommended dependency <xref linkend="freetype2"/> is not
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| 181 | installed, it's possible to omit this option and build GRUB. However,
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| 182 | if <command>grub-mkfont</command> is not built, or the unicode font
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| 183 | data is not avaliable at the time GRUB is built, GRUB won't install
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| 184 | any font for the boot loader. The GRUB boot menu will be displayed
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| 185 | in an ugly way, and the early stage of kernel initialization will be
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| 186 | in <quote>blind mode</quote> - you can't see any kernel message before
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| 187 | the graphics card driver is initialized. It will be very difficult to
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| 188 | diagnostic some boot issue (especially, if the graphics driver is
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| 189 | built as module).</para>
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| 190 | </warning>
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| 191 |
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| 192 | <para>
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| 193 | <parameter>--with-platform=efi</parameter>: Ensures to build GRUB with
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| 194 | for EFI.
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| 195 | </para>
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| 196 |
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| 197 | </sect2>
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| 198 |
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| 199 | <sect2>
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| 200 | <title>Configuring GRUB</title>
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| 201 |
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| 202 | <para>
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| 203 | Using GRUB to make the LFS system bootable on UEFI platform will be
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| 204 | discussed in <xref linkend="grub-setup"/>.
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| 205 | </para>
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| 206 | </sect2>
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| 207 |
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| 208 | <sect2 role="content">
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| 209 | <title>Contents</title>
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| 210 |
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| 211 | <para>See the page for GRUB in LFS book.</para>
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| 212 | </sect2>
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| 213 |
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| 214 | </sect1>
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