BOOK/chapter06/bzip2.xml

   1 <sect1 id="ch-system-bzip2" xreflabel="Bzip2">
   2 <title>Installing Bzip2-&bzip2-version;</title>
   3 <?dbhtml filename="bzip2.html" dir="chapter06"?>
   4
   5 <para>The Bzip2 package contains programs for compressing and decompressing
   6 files. On text files they achieve a much better compression than the
   7 traditional <command>gzip</command>.</para>
   8
   9 <screen>&buildtime; &bzip2-time;
  10 &diskspace; &bzip2-compsize;</screen>
  11
  12 &aa-bzip2-down;
  13 &aa-bzip2-dep;
  14
  15 <sect2><title>&nbsp;</title><para>&nbsp;</para></sect2>
  16
  17 <sect2>
  18 <title>Installation of Bzip2</title>
  19
  20 <para>Prepare Bzip2 for compilation with:</para>
  21
  22 <screen><userinput>make -f Makefile-libbz2_so
  23 make clean</userinput></screen>
  24
  25 <para>The <emphasis>-f</emphasis> flag will cause Bzip2 to be built
  26 using a different <filename>Makefile</filename> file, in this case the
  27 <filename>Makefile-libbz2_so</filename> file, which creates a dynamic
  28 <filename>libbz2.so</filename> library and links the Bzip2 utilities
  29 against it.</para>
  30
  31 <para>Compile the package:</para>
  32
  33 <screen><userinput>make</userinput></screen>
  34
  35 <para>If you are reinstalling Bzip2, you will now first have to do
  36 <userinput>rm -f /usr/bin/bz*</userinput>, otherwise the following
  37 <command>make install</command> will fail.</para>
  38
  39 <para>Install the programs:</para>
  40
  41 <screen><userinput>make install</userinput></screen>
  42
  43 <para>And install the shared <command>bzip2</command> binary into the
  44 <filename class="directory">/bin</filename> directory, then make some
  45 necessary symbolic links, and clean up:</para>
  46
  47 <screen><userinput>cp bzip2-shared /bin/bzip2
  48 cp -a libbz2.so* /lib
  49 ln -s ../../lib/libbz2.so.1.0 /usr/lib/libbz2.so
  50 rm /usr/bin/{bunzip2,bzcat,bzip2}
  51 mv /usr/bin/{bzip2recover,bzless,bzmore} /bin
  52 ln -s bzip2 /bin/bunzip2
  53 ln -s bzip2 /bin/bzcat</userinput></screen>
  54
  55 </sect2>
  56
  57 &aa-bzip2-shortdesc;
  58 &aa-bzip2-desc;
  59
  60 </sect1>
  61