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<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN"
"http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [
<!ENTITY % general-entities SYSTEM "../general.ent">
%general-entities;
]>
<sect1 id="pre-hostreqs">
<?dbhtml filename="hostreqs.html"?>
<title>Host System Requirements</title>
<para>Your host system should have the following software with the
minimum versions indicated. This should not be an issue for most
modern Linux distributions. Also note that many distributions will
place software headers into separate packages, often in the form of
<quote><package-name>-devel</quote> or
<quote><package-name>-dev</quote>. Be sure to install those if
your distribution provides them.</para>
<itemizedlist spacing="compact">
<listitem>
<para><emphasis role="strong">Bash-2.05a</emphasis></para>
</listitem>
<listitem>
<para><emphasis role="strong">Binutils-2.12</emphasis> (Versions
greater than &binutils-version; are not recommended as they have
not been tested)</para>
</listitem>
<listitem>
<para><emphasis role="strong">Bzip2-1.0.2</emphasis></para>
</listitem>
<listitem>
<para><emphasis role="strong">Coreutils-5.0</emphasis> (or Sh-Utils-2.0,
Textutils-2.0, and Fileutils-4.1)</para>
</listitem>
<listitem>
<para><emphasis role="strong">Diffutils-2.8</emphasis></para>
</listitem>
<listitem>
<para><emphasis role="strong">Findutils-4.1.20</emphasis></para>
</listitem>
<listitem>
<para><emphasis role="strong">Gawk-3.0</emphasis></para>
</listitem>
<listitem>
<para><emphasis role="strong">Gcc-2.95.3</emphasis> (Versions
greater than &gcc-version; are not recommended as they have not
been tested)</para>
</listitem>
<listitem>
<para><emphasis role="strong">Glibc-2.2.5</emphasis> (Versions
greater than &glibc-version; are not recommended as they have
not been tested)</para>
</listitem>
<listitem>
<para><emphasis role="strong">Grep-2.5</emphasis></para>
</listitem>
<listitem>
<para><emphasis role="strong">Gzip-1.2.4</emphasis></para>
</listitem>
<listitem>
<para><emphasis role="strong">Linux Kernel-2.6.x</emphasis>
(having been compiled with GCC-3.0 or greater)</para>
<para>The reason for the kernel version requirement is that thread-local
storage support in Binutils will not be built and the Native POSIX
Threading Library (NPTL) test suite will segfault if the host's kernel
isn't at least a 2.6.x version compiled with a 3.0 or later release of
GCC.</para>
<para>If the host kernel is either earlier than 2.6.x, or it was not
compiled using a GCC-3.0 (or later) compiler, you will have to replace
the kernel with one adhering to the specifications. There are two methods
you can take to solve this. First, see if your Linux vendor provides a
2.6 kernel package. If so, you may wish to install it. If your vendor
doesn't offer a 2.6 kernel package, or you would prefer not to install it,
then you can compile a 2.6 kernel yourself. Instructions for compiling the
kernel and configuring the boot loader (assuming the host uses GRUB) are
located in <xref linkend="chapter-bootable"/>.</para>
</listitem>
<listitem>
<para><emphasis role="strong">Make-3.79.1</emphasis></para>
</listitem>
<listitem>
<para><emphasis role="strong">Patch-2.5.4</emphasis></para>
</listitem>
<listitem>
<para><emphasis role="strong">Sed-3.0.2</emphasis></para>
</listitem>
<listitem>
<para><emphasis role="strong">Tar-1.14</emphasis></para>
</listitem>
</itemizedlist>
<para>To see whether your host system has all the appropriate versions, run the following:</para>
<screen role="nodump"><userinput>cat > version-check.sh << "EOF"
<literal>#!/bin/bash
# Simple script to list version numbers of critical development tools
bash --version | head -n1 | cut -d" " -f2-4
echo -n "Binutils: "; ld --version | head -n1 | cut -d" " -f3-4
bzip2 --version 2>&1 < /dev/null | head -n1 | cut -d" " -f1,6-
echo -n "Coreutils: "; chown --version | head -n1 | cut -d")" -f2
diff --version | head -n1
find --version | head -n1
gawk --version | head -n1
gcc --version | head -n1
/lib/libc.so.6 | head -n1 | cut -d" " -f1-7
grep --version | head -n1
gzip --version | head -n1
cat /proc/version | head -n1 | cut -d" " -f1-3,5-7
make --version | head -n1
patch --version | head -n1
sed --version | head -n1
tar --version | head -n1</literal>
EOF
bash version-check.sh</userinput></screen>
</sect1>
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