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<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
"http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
<!ENTITY % general-entities SYSTEM "../general.ent">
%general-entities;
]>
<sect1 id="ch-tools-bzip2" role="wrap">
<?dbhtml filename="bzip2.html"?>
<sect1info condition="script">
<productname>bzip2</productname>
<productnumber>&bzip2-version;</productnumber>
<address>&bzip2-url;</address>
</sect1info>
<title>Bzip2-&bzip2-version;</title>
<indexterm zone="ch-tools-bzip2">
<primary sortas="a-Bzip2">Bzip2</primary>
<secondary>tools</secondary>
</indexterm>
<sect2 role="package">
<title/>
<xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
href="../chapter06/bzip2.xml"
xpointer="xpointer(/sect1/sect2[1]/para[1])"/>
<segmentedlist>
<segtitle>&buildtime;</segtitle>
<segtitle>&diskspace;</segtitle>
<seglistitem>
<seg>&bzip2-ch5-sbu;</seg>
<seg>&bzip2-ch5-du;</seg>
</seglistitem>
</segmentedlist>
</sect2>
<sect2 role="installation">
<title>Installation of Bzip2</title>
<para>Apply a patch that will install the documentation for this
package:</para>
<screen><userinput remap="pre">patch -Np1 -i ../&bzip2-docs-patch;</userinput></screen>
<para>The following command ensures installation of symbolic links are
relative:</para>
<screen><userinput remap="pre">sed -i 's@\(ln -s -f \)$(PREFIX)/bin/@\1@' Makefile</userinput></screen>
<para>Ensure the man pages are installed into the correct location:</para>
<screen><userinput remap="pre">sed -i "s@(PREFIX)/man@(PREFIX)/share/man@g" Makefile</userinput></screen>
<para>The Bzip2 package does not contain a <command>configure</command>
script. There are two <filename>Makefile</filename>, one for the shared
library, and the other for the static library. Since we need both, We
do the compilation in two stages. First the shared library:</para>
<screen><userinput remap="make">make CC=$LFS_TGT-gcc -f Makefile-libbz2_so
make clean</userinput></screen>
<variablelist>
<title>The meaning of the make parameter:</title>
<varlistentry>
<term><parameter>-f Makefile-libbz2_so</parameter></term>
<listitem>
<para>This will cause Bzip2 to be built using a different
<filename>Makefile</filename> file, in this case the
<filename>Makefile-libbz2_so</filename> file, which creates a dynamic
<filename class="libraryfile">libbz2.so</filename> library and links
the Bzip2 utilities against it.</para>
</listitem>
</varlistentry>
</variablelist>
<para>Compile and test the package with:</para>
<screen><userinput remap="make">make CC=$LFS_TGT-gcc AR=$LFS_TGT-ar RANLIB=$LFS_TGT-ranlib</userinput></screen>
<para>Install the package:</para>
<screen><userinput remap="install">make PREFIX=$LFS/usr install</userinput></screen>
<para>Install the shared <command>bzip2</command> binary into the
<filename class="directory">/bin</filename> directory, make some necessary
symbolic links, and clean up:</para>
<screen><userinput remap="install">cp -v bzip2-shared $LFS/bin/bzip2
cp -av libbz2.so* $LFS/lib
ln -sv ../../lib/libbz2.so.1.0 $LFS/usr/lib/libbz2.so
rm -v $LFS/usr/bin/{bunzip2,bzcat,bzip2}
ln -sv bzip2 $LFS/bin/bunzip2
ln -sv bzip2 $LFS/bin/bzcat</userinput></screen>
</sect2>
<sect2 role="content">
<title/>
<para>Details on this package are located in
<xref linkend="contents-bzip2" role="."/></para>
</sect2>
</sect1>
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