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 | <para>Earlier versions of the listed software packages may work, but has not
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22 | 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-2.17</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-2.3</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-3.1.5</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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63 | <listitem>
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64 | <para><emphasis role="strong">Gcc-4.1.2</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-2.5.1</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-2.5.1a</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-1.3.12</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-2.6.25</emphasis>
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85 | (having been compiled with GCC-4.1.2 or greater)</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 either earlier than 2.6.25, or it was not
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93 | compiled using a GCC-4.1.2 (or later) compiler, you will need to replace
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94 | the kernel with one adhering to the specifications. There are two ways
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95 | you can go about this. First, see if your Linux vendor provides a 2.6.25
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96 | or later kernel package. If so, you may wish to install it. If your
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97 | vendor doesn't offer an acceptable kernel package, or you would prefer not to
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98 | install it, you can compile a kernel yourself. Instructions for
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99 | compiling the kernel and configuring the boot loader (assuming the host
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100 | uses GRUB) are located in <xref linkend="chapter-bootable"/>.</para>
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101 |
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102 | </listitem>
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103 |
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104 | <listitem>
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105 | <para><emphasis role="strong">M4-1.4.10</emphasis></para>
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106 | </listitem>
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107 |
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108 | <listitem>
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109 | <para><emphasis role="strong">Make-3.81</emphasis></para>
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110 | </listitem>
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111 |
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112 | <listitem>
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113 | <para><emphasis role="strong">Patch-2.5.4</emphasis></para>
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114 | </listitem>
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115 |
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116 | <listitem>
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117 | <para><emphasis role="strong">Perl-5.8.8</emphasis></para>
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118 | </listitem>
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119 |
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120 | <listitem>
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121 | <para><emphasis role="strong">Sed-4.1.5</emphasis></para>
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122 | </listitem>
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123 |
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124 | <listitem>
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125 | <para><emphasis role="strong">Tar-1.18</emphasis></para>
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126 | </listitem>
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127 |
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128 | <!-- Needed by the apparently broken Binutils-2.18 -->
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129 | <listitem>
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130 | <para><emphasis role="strong">Texinfo-4.9</emphasis></para>
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131 | </listitem>
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132 |
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133 | <listitem>
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134 | <para><emphasis role="strong">Xz-5.0.3</emphasis></para>
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135 | </listitem>
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136 |
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137 | </itemizedlist>
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138 |
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139 | <para>Note that the symlinks mentioned above are required to build an LFS
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140 | system using the instructions contained within this book. Symlinks that
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141 | point to other software (such as dash, mawk, etc.) may work, but are not
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142 | tested or supported by the LFS development team, and may require either
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143 | deviation from the instructions or additional patches to some
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144 | packages.</para>
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145 |
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146 | <para id="version-check">To see whether your host system has all the appropriate versions, and
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147 | the ability to compile programs, run the following:</para>
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148 |
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149 | <!-- ANY additional lines in the script cause a pdf rendering problem-->
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150 | <screen role="nodump"><userinput>cat > version-check.sh << "EOF"
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151 | <literal>#!/bin/bash
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152 | # Simple script to list version numbers of critical development tools
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153 |
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154 | export LC_ALL=C
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155 | bash --version | head -n1 | cut -d" " -f2-4
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156 | echo "/bin/sh -> `readlink -f /bin/sh`"
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157 | echo -n "Binutils: "; ld --version | head -n1 | cut -d" " -f3-
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158 | bison --version | head -n1
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159 | if [ -e /usr/bin/yacc ];
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160 | then echo "/usr/bin/yacc -> `readlink -f /usr/bin/yacc`";
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161 | else echo "yacc not found"; fi
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162 |
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163 | bzip2 --version 2>&1 < /dev/null | head -n1 | cut -d" " -f1,6-
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164 | echo -n "Coreutils: "; chown --version | head -n1 | cut -d")" -f2
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165 | diff --version | head -n1
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166 | find --version | head -n1
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167 | gawk --version | head -n1
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168 | if [ -e /usr/bin/awk ];
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169 | then echo "/usr/bin/awk -> `readlink -f /usr/bin/awk`";
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170 | else echo "awk not found"; fi
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171 |
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172 | gcc --version | head -n1
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173 | ldd --version | head -n1 | cut -d" " -f2- # glibc version
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174 | grep --version | head -n1
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175 | gzip --version | head -n1
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176 | cat /proc/version
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177 | m4 --version | head -n1
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178 | make --version | head -n1
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179 | patch --version | head -n1
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180 | echo Perl `perl -V:version`
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181 | sed --version | head -n1
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182 | tar --version | head -n1
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183 | echo "Texinfo: `makeinfo --version | head -n1`"
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184 | xz --version | head -n1
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185 |
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186 | echo 'main(){}' > dummy.c && gcc -o dummy dummy.c
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187 | if [ -x dummy ]
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188 | then echo "gcc compilation OK";
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189 | else echo "gcc compilation failed"; fi
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190 | rm -f dummy.c dummy</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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