[1fa2099] | 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 |
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[ede49cd] | 8 | <sect1 id="ch-partitioning-hostreqs" xreflabel="Host System Requirements">
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[1fa2099] | 9 | <?dbhtml filename="hostreqs.html"?>
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| 10 |
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| 11 | <title>Host System Requirements</title>
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| 12 |
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| 13 | <para>Your host system should have the following software with the
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| 14 | minimum versions indicated. This should not be an issue for most
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| 15 | modern Linux distributions. Also note that many distributions will
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| 16 | place software headers into separate packages, often in the form of
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| 17 | <quote><package-name>-devel</quote> or
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| 18 | <quote><package-name>-dev</quote>. Be sure to install those if
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| 19 | your distribution provides them.</para>
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| 20 |
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| 21 | <para>Earlier versions of the listed software packages may work, but have
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| 22 | not been tested.</para>
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| 23 |
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| 24 | <itemizedlist spacing="compact">
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| 25 |
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| 26 | <listitem>
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| 27 | <para><emphasis role="strong">Bash-3.2</emphasis> (/bin/sh
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| 28 | should be a symbolic or hard link to bash)</para>
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| 29 | </listitem>
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| 30 |
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| 31 | <listitem>
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| 32 | <para><emphasis role="strong">Binutils-2.25</emphasis> (Versions
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| 33 | greater than &binutils-version; are not recommended as they have
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| 34 | not been tested)</para>
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| 35 | </listitem>
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| 36 |
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| 37 | <listitem>
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| 38 | <para><emphasis role="strong">Bison-2.7</emphasis> (/usr/bin/yacc
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| 39 | should be a link to bison or small script that executes bison)</para>
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| 40 | </listitem>
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| 41 |
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| 42 | <listitem>
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| 43 | <para><emphasis role="strong">Bzip2-1.0.4</emphasis></para>
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| 44 | </listitem>
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| 45 |
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| 46 | <listitem>
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| 47 | <para><emphasis role="strong">Coreutils-6.9</emphasis></para>
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| 48 | </listitem>
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| 49 |
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| 50 | <listitem>
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| 51 | <para><emphasis role="strong">Diffutils-2.8.1</emphasis></para>
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| 52 | </listitem>
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| 53 |
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| 54 | <listitem>
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| 55 | <para><emphasis role="strong">Findutils-4.2.31</emphasis></para>
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| 56 | </listitem>
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| 57 |
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| 58 | <listitem>
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| 59 | <para><emphasis role="strong">Gawk-4.0.1</emphasis> (/usr/bin/awk
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| 60 | should be a link to gawk)</para>
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| 61 | </listitem>
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| 62 |
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[607ea0f] | 63 | <!-- glibc-2.30 requires gcc-6.2 or later -->
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[1fa2099] | 64 | <listitem>
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[607ea0f] | 65 | <para><emphasis role="strong">GCC-6.2</emphasis> including the C++
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[1fa2099] | 66 | compiler, <command>g++</command> (Versions greater than &gcc-version; are
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| 67 | not recommended as they have not been tested)</para>
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| 68 | </listitem>
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| 69 |
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| 70 | <listitem>
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| 71 | <para><emphasis role="strong">Glibc-2.11</emphasis> (Versions
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| 72 | greater than &glibc-version; are not recommended as they have
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| 73 | not been tested)</para>
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| 74 | </listitem>
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| 75 |
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| 76 | <listitem>
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| 77 | <para><emphasis role="strong">Grep-2.5.1a</emphasis></para>
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| 78 | </listitem>
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| 79 |
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| 80 | <listitem>
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| 81 | <para><emphasis role="strong">Gzip-1.3.12</emphasis></para>
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| 82 | </listitem>
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| 83 |
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| 84 | <listitem>
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| 85 | <para><emphasis role="strong">Linux Kernel-&min-kernel;</emphasis></para>
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| 86 |
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| 87 | <para>The reason for the kernel version requirement is that we specify
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| 88 | that version when building <application>glibc</application> in Chapter 6
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| 89 | at the recommendation of the developers. It is also required by
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| 90 | udev.</para>
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| 91 |
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| 92 | <para>If the host kernel is earlier than &min-kernel; you will need to replace
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| 93 | the kernel with a more up to date version. There are two ways
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| 94 | you can go about this. First, see if your Linux vendor provides a &min-kernel;
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| 95 | or later kernel package. If so, you may wish to install it. If your
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| 96 | vendor doesn't offer an acceptable kernel package, or you would prefer not to
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| 97 | install it, you can compile a kernel yourself. Instructions for
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| 98 | compiling the kernel and configuring the boot loader (assuming the host
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| 99 | uses GRUB) are located in <xref linkend="chapter-bootable"/>.</para>
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| 100 |
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| 101 | </listitem>
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| 102 |
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| 103 | <listitem>
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| 104 | <para><emphasis role="strong">M4-1.4.10</emphasis></para>
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| 105 | </listitem>
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| 106 |
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| 107 | <listitem>
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| 108 | <para><emphasis role="strong">Make-4.0</emphasis></para>
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| 109 | </listitem>
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| 110 |
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| 111 | <listitem>
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| 112 | <para><emphasis role="strong">Patch-2.5.4</emphasis></para>
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| 113 | </listitem>
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| 114 |
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| 115 | <listitem>
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| 116 | <para><emphasis role="strong">Perl-5.8.8</emphasis></para>
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| 117 | </listitem>
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| 118 |
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| 119 | <listitem>
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| 120 | <para><emphasis role="strong">Python-3.4</emphasis></para>
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| 121 | </listitem>
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| 122 |
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| 123 | <listitem>
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| 124 | <para><emphasis role="strong">Sed-4.1.5</emphasis></para>
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| 125 | </listitem>
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| 126 |
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| 127 | <listitem>
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| 128 | <para><emphasis role="strong">Tar-1.22</emphasis></para>
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| 129 | </listitem>
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| 130 |
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| 131 | <listitem>
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| 132 | <para><emphasis role="strong">Texinfo-4.7</emphasis></para>
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| 133 | </listitem>
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| 134 |
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| 135 | <listitem>
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| 136 | <para><emphasis role="strong">Xz-5.0.0</emphasis></para>
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| 137 | </listitem>
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| 138 |
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| 139 | </itemizedlist>
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| 140 |
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| 141 | <important>
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| 142 | <para>Note that the symlinks mentioned above are required to build an LFS
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| 143 | system using the instructions contained within this book. Symlinks that
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| 144 | point to other software (such as dash, mawk, etc.) may work, but are not
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| 145 | tested or supported by the LFS development team, and may require either
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| 146 | deviation from the instructions or additional patches to some
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| 147 | packages.</para>
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| 148 | </important>
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| 149 |
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| 150 | <!-- Use an empty sect2 element to prevent a pdf warning. -->
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| 151 | <bridgehead renderas="sect2"
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| 152 | id="version-check"
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| 153 | xreflabel="Host System Requirements">
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| 154 | </bridgehead>
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| 155 | <!--<title> </title>-->
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| 156 |
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| 157 | <para >To see whether your host system has all the appropriate versions, and
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| 158 | the ability to compile programs, run the following:</para>
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| 159 |
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| 160 | <screen role="nodump"><userinput>cat > version-check.sh << "EOF"
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| 161 | <literal>#!/bin/bash
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| 162 | # Simple script to list version numbers of critical development tools
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| 163 | export LC_ALL=C
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| 164 | bash --version | head -n1 | cut -d" " -f2-4
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| 165 | MYSH=$(readlink -f /bin/sh)
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| 166 | echo "/bin/sh -> $MYSH"
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| 167 | echo $MYSH | grep -q bash || echo "ERROR: /bin/sh does not point to bash"
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| 168 | unset MYSH
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| 169 |
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| 170 | echo -n "Binutils: "; ld --version | head -n1 | cut -d" " -f3-
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| 171 | bison --version | head -n1
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| 172 |
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| 173 | if [ -h /usr/bin/yacc ]; then
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| 174 | echo "/usr/bin/yacc -> `readlink -f /usr/bin/yacc`";
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| 175 | elif [ -x /usr/bin/yacc ]; then
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| 176 | echo yacc is `/usr/bin/yacc --version | head -n1`
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| 177 | else
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| 178 | echo "yacc not found"
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| 179 | fi
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| 180 |
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| 181 | bzip2 --version 2>&1 < /dev/null | head -n1 | cut -d" " -f1,6-
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| 182 | echo -n "Coreutils: "; chown --version | head -n1 | cut -d")" -f2
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| 183 | diff --version | head -n1
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| 184 | find --version | head -n1
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| 185 | gawk --version | head -n1
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| 186 |
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| 187 | if [ -h /usr/bin/awk ]; then
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| 188 | echo "/usr/bin/awk -> `readlink -f /usr/bin/awk`";
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| 189 | elif [ -x /usr/bin/awk ]; then
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| 190 | echo awk is `/usr/bin/awk --version | head -n1`
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| 191 | else
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| 192 | echo "awk not found"
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| 193 | fi
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| 194 |
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| 195 | gcc --version | head -n1
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| 196 | g++ --version | head -n1
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| 197 | ldd --version | head -n1 | cut -d" " -f2- # glibc version
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| 198 | grep --version | head -n1
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| 199 | gzip --version | head -n1
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| 200 | cat /proc/version
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| 201 | m4 --version | head -n1
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| 202 | make --version | head -n1
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| 203 | patch --version | head -n1
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| 204 | echo Perl `perl -V:version`
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| 205 | python3 --version
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| 206 | sed --version | head -n1
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| 207 | tar --version | head -n1
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| 208 | makeinfo --version | head -n1 # texinfo version
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| 209 | xz --version | head -n1
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[d6174d9] | 210 |
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[1fa2099] | 211 | echo 'int main(){}' > dummy.c && g++ -o dummy dummy.c
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| 212 | if [ -x dummy ]
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| 213 | then echo "g++ compilation OK";
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| 214 | else echo "g++ compilation failed"; fi
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| 215 | rm -f dummy.c dummy</literal>
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| 216 | EOF
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| 217 |
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| 218 | bash version-check.sh</userinput></screen>
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| 219 | <!--
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| 220 | <para>Also check for some library consistency:</para>
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| 221 |
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| 222 | <screen role="nodump"><userinput>cat > library-check.sh << "EOF"
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| 223 | <literal>#!/bin/bash
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| 224 | for lib in lib{gmp,mpfr,mpc}.la; do
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| 225 | echo $lib: $(if find /usr/lib* -name $lib|
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| 226 | grep -q $lib;then :;else echo not;fi) found
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| 227 | done
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| 228 | unset lib</literal>
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| 229 | EOF
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| 230 |
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| 231 | bash library-check.sh</userinput></screen>
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| 232 |
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| 233 | <para>The files identified by this script should be all present
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| 234 | or all absent, but not only one or two present.</para>
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| 235 | -->
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| 236 |
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[d8fba27] | 237 | <para arch="ml_32,ml_x32,ml_all">
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| 238 | Building multilib support requires the kernel of the host system
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| 239 | to have 32-bit emulation support included.
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| 240 | </para>
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| 241 | <screen arch="ml_32,ml_x32,ml_all">Binary Emulations --->
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| 242 | [*] IA32 Emulation
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| 243 | <M> IA32 a.out support
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| 244 | [*] x32 ABI for 64-bit mode
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| 245 | </screen>
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[37e35d2] | 246 |
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[d8fba27] | 247 | <para arch="ml_32,ml_x32,ml_all">The option 'IA32 a.out support' is
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| 248 | optional. In case your kernel does not have 'x32 ABI for 64-bit mode'
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| 249 | enabled but only 'IA32 Emulation', you can continue to build your
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| 250 | system but you have to leave out any sections showing instructions
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| 251 | for building x32 objects. If neither 'IA32 Emulation' nor
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| 252 | 'x32 ABI for 64-bit mode' is enabled, you will run in errors
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| 253 | latest when building <application>glibc</application> in Chapter 6,
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[37e35d2] | 254 | so an upgrade of your host system kernel is required.
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[d8fba27] | 255 | </para>
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| 256 |
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[1fa2099] | 257 | </sect1>
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