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