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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8 | <sect1 id="pre-hostreqs">
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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 | <itemizedlist spacing="compact">
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22 |
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23 | <listitem>
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24 | <para><emphasis role="strong">Bash-2.05a</emphasis> (/bin/sh
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25 | should be a symbolic or hard link to bash)</para>
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26 | </listitem>
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27 |
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28 | <listitem>
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29 | <para><emphasis role="strong">Binutils-2.12</emphasis> (Versions
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30 | greater than &binutils-version; are not recommended as they have
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31 | not been tested)</para>
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32 | </listitem>
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33 |
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34 | <listitem>
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35 | <para><emphasis role="strong">Bison-1.875</emphasis> (/usr/bin/yacc
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36 | should be a link to bison or small script that executes bison)</para>
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37 | </listitem>
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38 |
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39 | <listitem>
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40 | <para><emphasis role="strong">Bzip2-1.0.2</emphasis></para>
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41 | </listitem>
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42 |
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43 | <listitem>
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44 | <para><emphasis role="strong">Coreutils-5.0</emphasis> (or Sh-Utils-2.0,
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45 | Textutils-2.0, and Fileutils-4.1)</para>
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46 | </listitem>
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47 |
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48 | <listitem>
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49 | <para><emphasis role="strong">Diffutils-2.8</emphasis></para>
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50 | </listitem>
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51 |
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52 | <listitem>
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53 | <para><emphasis role="strong">Findutils-4.1.20</emphasis></para>
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54 | </listitem>
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55 |
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56 | <listitem>
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57 | <para><emphasis role="strong">Gawk-3.0</emphasis> (/usr/bin/awk
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58 | should be a link to gawk)</para>
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59 | </listitem>
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60 |
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61 | <listitem>
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62 | <!-- Gcc-2.95.3 breaks feature tests when using CC="gcc -B/usr/bin/"
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63 | in the *-pass1 sections -->
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64 | <para><emphasis role="strong">Gcc-3.0.1</emphasis> (Versions
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65 | greater than &gcc-version; are not recommended as they have not
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66 | been tested)</para>
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67 | </listitem>
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68 |
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69 | <listitem>
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70 | <para><emphasis role="strong">Glibc-2.2.5</emphasis> (Versions
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71 | greater than &glibc-version; are not recommended as they have
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72 | not been tested)</para>
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73 | </listitem>
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74 |
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75 | <listitem>
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76 | <para><emphasis role="strong">Grep-2.5</emphasis></para>
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77 | </listitem>
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78 |
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79 | <listitem>
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80 | <para><emphasis role="strong">Gzip-1.2.4</emphasis></para>
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81 | </listitem>
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82 |
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83 | <listitem>
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84 | <para><emphasis role="strong">Linux Kernel-2.6.x</emphasis>
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85 | (having been compiled with GCC-3.0 or greater)</para>
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86 |
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87 | <para>The reason for the kernel version requirement is that thread-local
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88 | storage support in Binutils will not be built and the Native POSIX
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89 | Threading Library (NPTL) test suite will segfault if the host's kernel
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90 | isn't at least a 2.6.x version compiled with a 3.0 or later release of
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91 | GCC.</para>
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92 |
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93 | <para>If the host kernel is either earlier than 2.6.x, or it was not
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94 | compiled using a GCC-3.0 (or later) compiler, you will have to replace
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95 | the kernel with one adhering to the specifications. There are two methods
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96 | you can take to solve this. First, see if your Linux vendor provides a
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97 | 2.6 kernel package. If so, you may wish to install it. If your vendor
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98 | doesn't offer a 2.6 kernel package, or you would prefer not to install it,
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99 | then you can compile a 2.6 kernel yourself. Instructions for compiling the
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100 | kernel and configuring the boot loader (assuming the host uses GRUB) are
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101 | located in <xref linkend="chapter-bootable"/>.</para>
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102 |
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103 | <note>
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104 | <para>This version of the book builds a 32-bit Linux system and
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105 | requires an existing 32-bit version of of the kernel on the Intel/AMD
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106 | x86 architecture. Adding capabilty for x86_64 systems is a major
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107 | objective of a future version of LFS. Support for 64-bit systems and
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108 | additional architectures can be found in the Cross-Compiled Linux From
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109 | Scratch (CLFS) project at <ulink url="http://cross-lfs.org/view/svn/"/>.
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110 | </para>
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111 | </note>
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112 |
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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">M4-1.4</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">Make-3.79.1</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">Patch-2.5.4</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">Perl-5.6.0</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">Sed-3.0.2</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">Tar-1.14</emphasis></para>
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137 | </listitem>
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138 |
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139 | <!-- Needed by the apparently broken Binutils-2.18 -->
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140 | <listitem>
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141 | <para><emphasis role="strong">Texinfo-4.8</emphasis></para>
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142 | </listitem>
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143 |
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144 | </itemizedlist>
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145 |
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146 | <para>Note that the symlinks mentioned above are required to build an LFS
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147 | system using the instructions contained within this book. Symlinks that
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148 | point to other software (such as dash, mawk, etc.) may work, but are not
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149 | tested or supported by the LFS development team, and may require either
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150 | deviation from the instructions or additional patches to some
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151 | packages.</para>
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152 |
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153 | <para>To see whether your host system has all the appropriate versions, and
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154 | the ability to compile programs, run the following:</para>
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155 |
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156 | <screen role="nodump"><userinput>cat > version-check.sh << "EOF"
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157 | <literal>#!/bin/bash
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158 | export LC_ALL=C
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159 |
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160 | # Simple script to list version numbers of critical development tools
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161 |
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162 | bash --version | head -n1 | cut -d" " -f2-4
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163 | echo "/bin/sh -> `readlink -f /bin/sh`"
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164 | echo -n "Binutils: "; ld --version | head -n1 | cut -d" " -f3-
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165 | bison --version | head -n1
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166 | if [ -e /usr/bin/yacc ]; then echo "/usr/bin/yacc -> `readlink -f /usr/bin/yacc`";
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167 | else echo "yacc not found"; fi
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168 | bzip2 --version 2>&1 < /dev/null | head -n1 | cut -d" " -f1,6-
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169 | echo -n "Coreutils: "; chown --version | head -n1 | cut -d")" -f2
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170 | diff --version | head -n1
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171 | find --version | head -n1
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172 | gawk --version | head -n1
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173 | if [ -e /usr/bin/awk ]; then echo "/usr/bin/awk -> `readlink -f /usr/bin/awk`";
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174 | else echo "awk not found"; fi
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175 | gcc --version | head -n1
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176 | /lib/libc.so.6 | head -n1 | cut -d" " -f1-7
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177 | grep --version | head -n1
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178 | gzip --version | head -n1
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179 | cat /proc/version
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180 | m4 --version | head -n1
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181 | make --version | head -n1
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182 | patch --version | head -n1
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183 | echo Perl `perl -V:version`
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184 | sed --version | head -n1
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185 | tar --version | head -n1
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186 | makeinfo --version | head -n1
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187 | echo 'main(){}' > dummy.c && gcc -o dummy dummy.c
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188 | if [ -x dummy ]; then echo "Compilation OK"; else echo "Compilation failed"; fi
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189 | rm -f dummy.c dummy
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190 | </literal>
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191 | EOF
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192 |
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193 | bash version-check.sh</userinput></screen>
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194 |
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195 | </sect1>
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