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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content= "application/xhtml+xml; charset=iso-8859-1" /> <title> 10.36. Bzip2-1.0.3 </title> <link rel="stylesheet" href="../stylesheets/lfs.css" type="text/css" /> <meta name="generator" content="DocBook XSL Stylesheets V1.69.1" /> <link rel="stylesheet" href="../stylesheets/lfs-print.css" type= "text/css" media="print" /> </head> <body id="lfs" class="CLFS-SVN-20060417-MIPS"> <div class="navheader"> <div class="headertitles"> <h4> Cross-Compiled Linux From Scratch - Version CLFS-SVN-20060417-MIPS </h4> <h3> Chapter 10. Installing Basic System Software </h3> </div> <ul class="headerlinks"> <li class="prev"> <a accesskey="p" href="libtool.html" title= "Libtool-1.5.22">Prev</a> <p> Libtool-1.5.22 </p> </li> <li class="next"> <a accesskey="n" href="diffutils.html" title= "Diffutils-2.8.7">Next</a> <p> Diffutils-2.8.7 </p> </li> <li class="up"> <a accesskey="u" href="chapter.html" title= "Chapter 10. Installing Basic System Software">Up</a>. </li> <li class="home"> <a accesskey="h" href="../index.html" title= "Cross-Compiled Linux From Scratch - Version CLFS-SVN-20060417-MIPS"> Home</a> </li> </ul> </div> <div class="wrap" lang="en" xml:lang="en"> <div class="titlepage"> <h1 class="sect1"> 10.36. Bzip2-1.0.3 </h1> </div> <div class="package" lang="en" xml:lang="en"> <p> The Bzip2 package contains programs for compressing and decompressing files. Compressing text files with <span><strong class="command">bzip2</strong></span> yields a much better compression percentage than with the traditional <span><strong class="command">gzip</strong></span>. </p> <div class="segmentedlist"> <div class="seglistitem"> <div class="seg"> <strong><span class="segtitle">Installation depends on:</span></strong> <span class="seg">Bash, Binutils, Coreutils, Diffutils, GCC, Glibc, Make, and Patch</span> </div> </div> </div> </div> <div class="installation" lang="en" xml:lang="en"> <div class="titlepage"> <h2 class="sect2"> 10.36.1. Installation of Bzip2 </h2> </div> <p> Apply a patch to install the documentation for this package: </p> <pre class="userinput"><kbd class="command">patch -Np1 -i ../bzip2-1.0.3-install_docs-1.patch</kbd></pre> <p> The <span><strong class="command">bzgrep</strong></span> command does not escape '|' and '&' in filenames passed to it. This allows arbitrary commands to be executed with the privileges of the user running <span><strong class="command">bzgrep</strong></span>. Apply the following patch to address this: </p> <pre class="userinput"><kbd class="command">patch -Np1 -i ../bzip2-1.0.3-bzgrep_security-1.patch</kbd></pre> <p> The <span><strong class="command">bzdiff</strong></span> script depends on tempfile. We remove that dependency with this patch: </p> <pre class="userinput"><kbd class="command">patch -Np1 -i ../bzip2-1.0.3-remove_tempfile-1.patch</kbd></pre> <p> The Bzip2 package does not contain a <span><strong class= "command">configure</strong></span> script. Compile it with: </p> <pre class="userinput"><kbd class="command">make -f Makefile-libbz2_somake clean</kbd></pre> <p> The <em class="parameter"><tt>-f</tt></em> flag will cause Bzip2 to be built using a different <tt class="filename">Makefile</tt> file, in this case the <tt class="filename">Makefile-libbz2_so</tt> file, which creates a dynamic <tt class="filename">libbz2.so</tt> library and links the Bzip2 utilities against it. </p> <p> Recompile the package using a non-shared library and test it. </p> <pre class="userinput"><kbd class="command">make</kbd></pre> <p> If reinstalling Bzip2, perform <strong class="userinput"><tt>rm -vf /usr/bin/bz*</tt></strong> first, otherwise the following <span><strong class="command">make install</strong></span> will fail. </p> <p> Install the programs: </p> <pre class="userinput"><kbd class="command">make install</kbd></pre> <p> Install the shared <span><strong class= "command">bzip2</strong></span> binary into the <tt class= "filename">/bin</tt> directory, make some necessary symbolic links, and clean up: </p> <pre class="userinput"><kbd class="command">cp -v bzip2-shared /bin/bzip2cp -av libbz2.so* /libln -sv ../../lib/libbz2.so.1.0 /usr/lib/libbz2.sorm -v /usr/bin/{bunzip2,bzcat,bzip2}ln -sv bzip2 /bin/bunzip2ln -sv bzip2 /bin/bzcat</kbd></pre> </div> <div class="content" lang="en" xml:lang="en"> <div class="titlepage"> <a id="contents-bzip2" name="contents-bzip2"></a> <h2 class="sect2"> 10.36.2. Contents of Bzip2 </h2> </div> <div class="segmentedlist"> <div class="seglistitem"> <div class="seg"> <strong><span class="segtitle">Installed programs:</span></strong> <span class="seg">bunzip2 (link to bzip2), bzcat (link to bzip2), bzcmp, bzdiff, bzegrep, bzfgrep, bzgrep, bzip2, bzip2recover, bzless, and bzmore</span> </div> <div class="seg"> <strong><span class="segtitle">Installed libraries:</span></strong> <span class="seg">libbz2.a, libbz2.so (link to libbz2.so.1.0), libbz2.so.1.0 (link to libbz2.so.1.0.3), and libbz2.so.1.0.3</span> </div> </div> </div> <div class="variablelist"> <h3> <a id="id3680590" name="id3680590"></a>Short Descriptions </h3> <table border="0"> <col align="left" valign="top" /> <tbody> <tr> <td> <a id="bunzip2" name="bunzip2"></a><span class= "term"><span><strong class= "command">bunzip2</strong></span></span> </td> <td> <p> Decompresses bzipped files </p> </td> </tr> <tr> <td> <a id="bzcat" name="bzcat"></a><span class= "term"><span><strong class= "command">bzcat</strong></span></span> </td> <td> <p> Decompresses to standard output </p> </td> </tr> <tr> <td> <a id="bzcmp" name="bzcmp"></a><span class= "term"><span><strong class= "command">bzcmp</strong></span></span> </td> <td> <p> Runs <span><strong class="command">cmp</strong></span> on bzipped files </p> </td> </tr> <tr> <td> <a id="bzdiff" name="bzdiff"></a><span class= "term"><span><strong class= "command">bzdiff</strong></span></span> </td> <td> <p> Runs <span><strong class="command">diff</strong></span> on bzipped files </p> </td> </tr> <tr> <td> <a id="bzgrep" name="bzgrep"></a><span class= "term"><span><strong class= "command">bzgrep</strong></span></span> </td> <td> <p> Runs <span><strong class="command">grep</strong></span> on bzipped files </p> </td> </tr> <tr> <td> <a id="bzegrep" name="bzegrep"></a><span class= "term"><span><strong class= "command">bzegrep</strong></span></span> </td> <td> <p> Runs <span><strong class="command">egrep</strong></span> on bzipped files </p> </td> </tr> <tr> <td> <a id="bzfgrep" name="bzfgrep"></a><span class= "term"><span><strong class= "command">bzfgrep</strong></span></span> </td> <td> <p> Runs <span><strong class="command">fgrep</strong></span> on bzipped files </p> </td> </tr> <tr> <td> <a id="bzip2" name="bzip2"></a><span class= "term"><span><strong class= "command">bzip2</strong></span></span> </td> <td> <p> Compresses files using the Burrows-Wheeler block sorting text compression algorithm with Huffman coding; the compression rate is better than that achieved by more conventional compressors using “<span class= "quote">Lempel-Ziv</span>” algorithms, like <span><strong class="command">gzip</strong></span> </p> </td> </tr> <tr> <td> <a id="bzip2recover" name="bzip2recover"></a><span class= "term"><span><strong class= "command">bzip2recover</strong></span></span> </td> <td> <p> Tries to recover data from damaged bzipped files </p> </td> </tr> <tr> <td> <a id="bzless" name="bzless"></a><span class= "term"><span><strong class= "command">bzless</strong></span></span> </td> <td> <p> Runs <span><strong class="command">less</strong></span> on bzipped files </p> </td> </tr> <tr> <td> <a id="bzmore" name="bzmore"></a><span class= "term"><span><strong class= "command">bzmore</strong></span></span> </td> <td> <p> Runs <span><strong class="command">more</strong></span> on bzipped files </p> </td> </tr> <tr> <td> <a id="libbz2" name="libbz2"></a><span class= "term"><tt class="filename">libbz2*</tt></span> </td> <td> <p> The library implementing lossless, block-sorting data compression, using the Burrows-Wheeler algorithm </p> </td> </tr> </tbody> </table> </div> </div> </div> <div class="navfooter"> <ul> <li class="prev"> <a accesskey="p" href="libtool.html" title= "Libtool-1.5.22">Prev</a> <p> Libtool-1.5.22 </p> </li> <li class="next"> <a accesskey="n" href="diffutils.html" title= "Diffutils-2.8.7">Next</a> <p> Diffutils-2.8.7 </p> </li> <li class="up"> <a accesskey="u" href="chapter.html" title= "Chapter 10. Installing Basic System Software">Up</a>. </li> <li class="home"> <a accesskey="h" href="../index.html" title= "Cross-Compiled Linux From Scratch - Version CLFS-SVN-20060417-MIPS"> Home</a>. </li> </ul> </div> </body></html>⌨️ 快捷键说明
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