[d1ebcc8] | 1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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[b06ca36] | 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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[d1ebcc8] | 4 | <!ENTITY % general-entities SYSTEM "../general.ent">
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| 5 | %general-entities;
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| 6 | ]>
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[b330f4a] | 7 |
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[79bfd82] | 8 | <sect1 id="pre-hostreqs" xreflabel="Host System Requirements">
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[b330f4a] | 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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[fd8b059] | 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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[5e858e7] | 19 | your distribution provides them.</para>
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[d12ae76] | 20 |
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[72fb9bf] | 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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[7088c96] | 23 |
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[bf5724b] | 24 | <itemizedlist spacing="compact">
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[fd8b059] | 25 |
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[d12ae76] | 26 | <listitem>
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[7088c96] | 27 | <para><emphasis role="strong">Bash-3.2</emphasis> (/bin/sh
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[e4ab232] | 28 | should be a symbolic or hard link to bash)</para>
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[d12ae76] | 29 | </listitem>
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[fd8b059] | 30 |
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[d12ae76] | 31 | <listitem>
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[b55310e] | 32 | <para><emphasis role="strong">Binutils-2.25</emphasis> (Versions
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[fd8b059] | 33 | greater than &binutils-version; are not recommended as they have
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| 34 | not been tested)</para>
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[d12ae76] | 35 | </listitem>
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[fd8b059] | 36 |
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[07dfccb] | 37 | <listitem>
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[b55310e] | 38 | <para><emphasis role="strong">Bison-2.7</emphasis> (/usr/bin/yacc
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[e4ab232] | 39 | should be a link to bison or small script that executes bison)</para>
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[07dfccb] | 40 | </listitem>
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| 41 |
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[d12ae76] | 42 | <listitem>
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[7088c96] | 43 | <para><emphasis role="strong">Bzip2-1.0.4</emphasis></para>
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[d12ae76] | 44 | </listitem>
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[fd8b059] | 45 |
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[d12ae76] | 46 | <listitem>
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[7088c96] | 47 | <para><emphasis role="strong">Coreutils-6.9</emphasis></para>
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[d12ae76] | 48 | </listitem>
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[fd8b059] | 49 |
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[d12ae76] | 50 | <listitem>
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[7088c96] | 51 | <para><emphasis role="strong">Diffutils-2.8.1</emphasis></para>
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[d12ae76] | 52 | </listitem>
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[fd8b059] | 53 |
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[d12ae76] | 54 | <listitem>
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[7088c96] | 55 | <para><emphasis role="strong">Findutils-4.2.31</emphasis></para>
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[d12ae76] | 56 | </listitem>
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[fd8b059] | 57 |
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[d12ae76] | 58 | <listitem>
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[3fbc395] | 59 | <para><emphasis role="strong">Gawk-4.0.1</emphasis> (/usr/bin/awk
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[e4ab232] | 60 | should be a link to gawk)</para>
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[d12ae76] | 61 | </listitem>
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[fd8b059] | 62 |
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[d12ae76] | 63 | <listitem>
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[b1a5123d] | 64 | <para><emphasis role="strong">GCC-5.2</emphasis> including the C++
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[142b29b] | 65 | compiler, <command>g++</command> (Versions greater than &gcc-version; are
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| 66 | not recommended as they have not been tested)</para>
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[d12ae76] | 67 | </listitem>
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[fd8b059] | 68 |
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[d12ae76] | 69 | <listitem>
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[b1a5123d] | 70 | <para><emphasis role="strong">Glibc-2.26</emphasis> (Versions
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[fd8b059] | 71 | greater than &glibc-version; are not recommended as they have
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| 72 | not been tested)</para>
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[d12ae76] | 73 | </listitem>
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[fd8b059] | 74 |
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[d12ae76] | 75 | <listitem>
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[7088c96] | 76 | <para><emphasis role="strong">Grep-2.5.1a</emphasis></para>
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[d12ae76] | 77 | </listitem>
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[fd8b059] | 78 |
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[d12ae76] | 79 | <listitem>
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[7088c96] | 80 | <para><emphasis role="strong">Gzip-1.3.12</emphasis></para>
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[d12ae76] | 81 | </listitem>
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[fd8b059] | 82 |
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[d12ae76] | 83 | <listitem>
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[a93258d] | 84 | <para><emphasis role="strong">Linux Kernel-&min-kernel;</emphasis></para>
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[fd8b059] | 85 |
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[9ee226e] | 86 | <para>The reason for the kernel version requirement is that we specify
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[25332b5] | 87 | that version when building <application>glibc</application> in Chapter 6
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[13e7d79] | 88 | at the recommendation of the developers. It is also required by
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| 89 | udev.</para>
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[7088c96] | 90 |
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[a93258d] | 91 | <para>If the host kernel is earlier than &min-kernel; you will need to replace
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| 92 | the kernel with a more up to date version. There are two ways
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| 93 | you can go about this. First, see if your Linux vendor provides a &min-kernel;
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[9ee226e] | 94 | or later kernel package. If so, you may wish to install it. If your
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| 95 | vendor doesn't offer an acceptable kernel package, or you would prefer not to
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| 96 | install it, you can compile a kernel yourself. Instructions for
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| 97 | compiling the kernel and configuring the boot loader (assuming the host
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| 98 | uses GRUB) are located in <xref linkend="chapter-bootable"/>.</para>
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[56ca3a5f] | 99 |
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[d12ae76] | 100 | </listitem>
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[fd8b059] | 101 |
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[787fe0c] | 102 | <listitem>
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[7088c96] | 103 | <para><emphasis role="strong">M4-1.4.10</emphasis></para>
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[787fe0c] | 104 | </listitem>
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| 105 |
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[d12ae76] | 106 | <listitem>
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[76db8d6] | 107 | <para><emphasis role="strong">Make-4.0</emphasis></para>
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[d12ae76] | 108 | </listitem>
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[fd8b059] | 109 |
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[d12ae76] | 110 | <listitem>
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[fd8b059] | 111 | <para><emphasis role="strong">Patch-2.5.4</emphasis></para>
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[d12ae76] | 112 | </listitem>
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[fd8b059] | 113 |
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[9692a57] | 114 | <listitem>
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[7088c96] | 115 | <para><emphasis role="strong">Perl-5.8.8</emphasis></para>
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[9692a57] | 116 | </listitem>
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| 117 |
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[a271796] | 118 | <listitem>
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| 119 | <para><emphasis role="strong">Python-3.4</emphasis></para>
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| 120 | </listitem>
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| 121 |
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[d12ae76] | 122 | <listitem>
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[7088c96] | 123 | <para><emphasis role="strong">Sed-4.1.5</emphasis></para>
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[d12ae76] | 124 | </listitem>
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[fd8b059] | 125 |
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[d12ae76] | 126 | <listitem>
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[7380c3aa] | 127 | <para><emphasis role="strong">Tar-1.22</emphasis></para>
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[d12ae76] | 128 | </listitem>
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| 129 |
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[4df39e5] | 130 | <listitem>
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| 131 | <para><emphasis role="strong">Texinfo-4.7</emphasis></para>
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| 132 | </listitem>
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| 133 |
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[8e771c5] | 134 | <listitem>
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[44f6add] | 135 | <para><emphasis role="strong">Xz-5.0.0</emphasis></para>
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[8e771c5] | 136 | </listitem>
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| 137 |
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[d12ae76] | 138 | </itemizedlist>
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| 139 |
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[72fb9bf] | 140 | <important>
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| 141 | <para>Note that the symlinks mentioned above are required to build an LFS
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| 142 | system using the instructions contained within this book. Symlinks that
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| 143 | point to other software (such as dash, mawk, etc.) may work, but are not
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| 144 | tested or supported by the LFS development team, and may require either
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| 145 | deviation from the instructions or additional patches to some
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| 146 | packages.</para>
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| 147 | </important>
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[e4ab232] | 148 |
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[d659bf4] | 149 | <!-- Use an empty sect2 element to prevent a pdf warning. -->
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[72fb9bf] | 150 | <bridgehead renderas="sect2"
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| 151 | id="version-check"
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| 152 | xreflabel="Host System Requirements">
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| 153 | </bridgehead>
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| 154 | <!--<title> </title>-->
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[d659bf4] | 155 |
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| 156 | <para >To see whether your host system has all the appropriate versions, and
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[26b4421] | 157 | the ability to compile programs, run the following:</para>
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[5e858e7] | 158 |
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[5dcff99] | 159 | <!-- ANY additional lines in the script cause a pdf rendering problem-->
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[b179883] | 160 | <screen role="nodump"><userinput>cat > version-check.sh << "EOF"
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[5e858e7] | 161 | <literal>#!/bin/bash
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[2914ab8c] | 162 | # Simple script to list version numbers of critical development tools
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[5dcff99] | 163 | export LC_ALL=C
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[5e858e7] | 164 | bash --version | head -n1 | cut -d" " -f2-4
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[7c4d11a] | 165 | MYSH=$(readlink -f /bin/sh)
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| 166 | echo "/bin/sh -> $MYSH"
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[5768244] | 167 | echo $MYSH | grep -q bash || echo "ERROR: /bin/sh does not point to bash"
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[7c4d11a] | 168 | unset MYSH
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| 169 |
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[727a610] | 170 | echo -n "Binutils: "; ld --version | head -n1 | cut -d" " -f3-
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[172a92e] | 171 | bison --version | head -n1
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[a02b8ef] | 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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[54d3ed5] | 180 |
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[5e858e7] | 181 | bzip2 --version 2>&1 < /dev/null | head -n1 | cut -d" " -f1,6-
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[baaa5c3] | 182 | echo -n "Coreutils: "; chown --version | head -n1 | cut -d")" -f2
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[5e858e7] | 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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[a02b8ef] | 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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[09c83f9] | 190 | echo awk is `/usr/bin/awk --version | head -n1`
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[a02b8ef] | 191 | else
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| 192 | echo "awk not found"
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| 193 | fi
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[54d3ed5] | 194 |
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[2e8cbe0] | 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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[a3b689f] | 200 | cat /proc/version
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[2e8cbe0] | 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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[3ccd4fe] | 204 | echo Perl `perl -V:version`
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[a271796] | 205 | python3 --version
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[2e8cbe0] | 206 | sed --version | head -n1
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| 207 | tar --version | head -n1
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[a271796] | 208 | makeinfo --version | head -n1 # texinfo version
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[2e8cbe0] | 209 | xz --version | head -n1
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[53366411] | 210 | <?hard-pagebreak?>
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[3d56263] | 211 | echo 'int main(){}' > dummy.c && g++ -o dummy dummy.c
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[2ca8941] | 212 | if [ -x dummy ]
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[4fedd8d] | 213 | then echo "g++ compilation OK";
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| 214 | else echo "g++ compilation failed"; fi
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[3d2cea9] | 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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[d76a82b2] | 219 | <!--
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[3d2cea9] | 220 | <para>Also check for some library consistency:</para>
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[a09a914] | 221 |
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[3d2cea9] | 222 | <screen role="nodump"><userinput>cat > library-check.sh << "EOF"
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| 223 | <literal>#!/bin/bash
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[a09a914] | 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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[5e858e7] | 229 | EOF
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| 230 |
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[3d2cea9] | 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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[d76a82b2] | 235 | -->
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[3d2cea9] | 236 |
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[d1ebcc8] | 237 | </sect1>
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